ea Tool holder including cooling means By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT Device for cooling a rotating tool mounted on a machine, including elements for generating a continually renewed first flow of air, external to the tool and around the tool, at a high flow rate, produced via a Coanda-effect flow amplifier device realized in a housing fixed on the machine around the tool holder connected to a source of pressurized air. Full Article
ea Method of making heat treated stainless steel needles By www.freepatentsonline.com Published On :: Tue, 02 May 1995 08:00:00 EDT Surgical needles are produced from martensitic precipitation-hardening stainless steel and then vacuum heat treated and vacuum cooled to increase its tensile strength while retaining the polished surface of the needle. A needle made by this process is also disclosed. Full Article
ea Needle threading and swaging system By www.freepatentsonline.com Published On :: Tue, 08 Aug 1995 08:00:00 EDT An automated machine for attaching a suture to a surgical needle comprises a first apparatus located at a first predetermined location for sorting a plurality of randomly oriented needles and orienting each needle for automatic handling at a first predetermined location, each of the needles having a suture receiving opening formed therein. A second apparatus located at a second predetermined location is provided for automatically cutting an indefinite length of suture material to a definite length suture strand and for automatically inserting an end of the definite length suture strand into the suture receiving opening formed in the needle. Also provided is a third apparatus for swaging the needle to close the suture receiving opening about the suture to secure said suture thereto and form therefrom a needle and suture assembly. An indexing device automatically receives each individual needle in a predetermined orientation at the first predetermined location and conveys the needle for sequential processing from the first to the second locations to form the needle-suture assembly. Full Article
ea Surgical needle-suture attachment for controlled suture release By www.freepatentsonline.com Published On :: Tue, 29 Oct 1996 08:00:00 EST An apparatus is disclosed for attaching a surgical needle having a generally cylindrical end portion defining an elongated aperture having a generally circular cross-section and a suture having a generally elongated end portion of generally circular cross-section corresponding in dimension to the elongated aperture of the needle. The apparatus includes a pair of dies, each having a die face with an inner die surface portion. The inner die surface portion includes at least one generally planar crimping surface having an arcuate recess formed therein which extends along at least a portion of the planar crimping surface. The arcuate recess defines a material relief zone such that when the end portion of the suture is positioned within the aperture of the needle and the dies are positioned about the generally cylindrical end portion of the needle with the crimping surfaces generally facing the outer surface thereof, the application of an inward crimping force to the dies causes the dies to impact the needle and produce inward crimping forces on opposed sides of the needle end portion to attach the needle to the suture. The relief zones defined by the arcuate recesses receive and collect deformed material from the needle. According to the invention, the symmetry of the needle is maintained and the attachment is predictable and superior to those of the prior art. Full Article
ea Process for heat treating and tempering surgical needles By www.freepatentsonline.com Published On :: Tue, 29 Sep 1998 08:00:00 EDT A continuous process for heat treating and cleaning and tempering martensitic stainless steel surgical needles is disclosed. The method comprises exposing the surgical needles to a partial vacuum at a temperature less than the heat treating temperature to remove volatile surface contaminant. Then the needles are heat treated in an argon gas environment at a pressure equal to or greater than 1.0 Torr. Next the temperature of the oven is lowered to temper the needles. Full Article
ea Process for treating metal alloy surgical needles to improve bending stiffness By www.freepatentsonline.com Published On :: Tue, 10 May 2011 08:00:00 EDT A method of mechanically treating alloy metal surgical needles to improve bending strength is disclosed. The needles are curved and reverse-curved in this method to improve bending strength. Full Article
ea Electro-hydraulic actuator including a release valve assembly By www.freepatentsonline.com Published On :: Tue, 07 Apr 2015 08:00:00 EDT A manual release valve is provided for a electro-hydraulic actuator of the type including a piston movable in a cylinder and defining a piston side chamber and a rod side chamber, the valve threadedly attached to the housing of the actuator and extending at least partially within the fluid housing conduits, the valve moveable from a closed position fully seated in the housing to an open position for fluidly connecting both the piston side chamber and the rod side chamber to the reservoir, the valve further including a pressure relief portion that is operable when the valve is in the closed position for relieving pressure from at least one of the piston side chamber or the rod side chamber. Full Article
ea Device for the hydropneumatic control of a valve with a pneumatic locking means By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT Valve control device includes a body with a longitudinal axis, a control member housed at least partially in the body in a bottom portion along the longitudinal axis, a piston movable along the longitudinal axis and housed in a portion of the body forming with the piston a control chamber of the piston, an element movable in rotation with respect to the longitudinal axis on a top portion of the body, and sealing means between the movable element and the control chamber in the area of the connection port and/or of the passage. Full Article
ea Brake actuating unit for actuating a motor vehicle braking system of the “brake-by-wire” type, and method for operating a motor vehicle braking system by means of such a brake actuating unit By www.freepatentsonline.com Published On :: Tue, 28 Apr 2015 08:00:00 EDT A brake actuating unit for actuating a motor vehicle braking system of the “brake-by-wire” type having a brake booster. In order to provide a brake actuating unit for actuating a motor vehicle braking system of the “brake-by-wire” type, which on the one hand fulfills the statutory requirements care and which on the other hand is inexpensive to produce, it is proposed according to aspects of the invention, that the brake booster be provided as a travel-controlled brake booster, so that when not in the “brake-by-wire” operating mode the brake pedal is decoupled from feedback forces of the brake actuating unit, and the return force is simulated by the pedal travel simulator even when not in the “brake-by-wire” operating mode. Full Article
ea Device for providing high-intensity ion or electron beam By www.freepatentsonline.com Published On :: Tue, 06 Sep 1977 08:00:00 EDT A thin film of a low-thermionic-work-function material is maintained on the cathode of a device for producing a high-current, low-pressure gas discharge by means of sputter deposition from an auxiliary electrode. The auxiliary electrode includes a surface with a low-work-function material, such as thorium, uranium, plutonium or one of the rare earth elements, facing the cathode but at a disposition and electrical potential so as to extract ions from the gas discharge and sputter the low-work-function material onto the cathode. By continuously replenishing the cathode film, high thermionic emissions and ion plasmas can be realized and maintained over extended operating periods. Full Article
ea Control means for controlling the position of an electrode in a carbon arc lamp By www.freepatentsonline.com Published On :: Tue, 27 Feb 1979 08:00:00 EST An improved control system for controlling the position of an upper electrode in a carbon arc lamp. The system has a pulley with a line thereover, and a solenoid core is attached to one end of the line and is movable vertically in a solenoid coil connected in the circuit for supplying discharge current to the electrodes, and a control rod clutch is connected to the other end of the line which normally grasps and holds an electrode control rod on the lower end of which is mounted the upper electrode of the lamp. A balancing weight is provided on the core to balance the weight of the control rod clutch and electrode and a shield is provided around the solenoid coil to shield the arc between the electrodes from the magnetic field of the solenoid coil. Full Article
ea Method of cold cathode replenishment in electron beam apparatus and replenishable cold cathode assembly By www.freepatentsonline.com Published On :: Tue, 29 Jan 1985 08:00:00 EST This disclosure is concerned with automatically replenishable cold cathode structures and the like wherein the monitoring of a predetermined variation in electron beam performance caused by erosion of the cathode material generates control signals for advancing reserve cathode material into operative position. Full Article
ea Electrical discharge machine with automatically replaceable electrodes By www.freepatentsonline.com Published On :: Tue, 30 Dec 1986 08:00:00 EST An electrical discharge machine with automatically replaceable electrodes. The machine includes an electrode holder with a clamp operable to alternately receive and release an electrode, an electrode cartridge containing a plurality of stacked electrodes and a shuttle movable toward and away from the electrode holder. When the shuttle is moved toward the electrode holder, it removes an electrode from the cartridge and moves it into alignment with the electrode holder. Full Article
ea Automatic carbon-replacing weather resistance testing apparatus By www.freepatentsonline.com Published On :: Tue, 27 Mar 1990 08:00:00 EST A carbon exchanging system for a carbon-arc weather resistance testing apparatus having a carbon drive system including a reversible motor for automatically moving upper and lower arc producing carbons toward and away from each other along a vertical line for keeping the discharge current and voltage substantially constant. The carbon exchanging system has remotely operable upper and lower carbon chucks for holding the upper and lower carbons, a carbon replacing device having a remotely operable exchanging chuck and a drive for moving the exchanging chuck along a path of movement toward and away from the upper and lower carbon chucks when they are in position on the vertical line, a shifting device for shifting the carbon drive system and the carbon replacing means relative to each other for moving the upper and lower chucks and the exchanging chuck laterally relative to the vertical line, a carbon supply adjacent the path of movement of the exchanging chuck for holding replacement carbons and moving them into position opposite a position of the exchanging chuck along the path, and a moving device for moving the exchanging chuck and the carbon supply relative to each other in a direction toward and away from each other. The system can also include a control device for automatically controlling the operation thereof. Full Article
ea Solder-bearing components and method of retaining a solder mass therein By www.freepatentsonline.com Published On :: Tue, 28 Dec 2004 08:00:00 EST A method of retaining a solder mass within a solder-bearing component is provided and includes the steps of: (a) forming a plurality of fingers in the solder-bearing component at one edge thereof, with each finger being defined by a pair of slots formed in the solder-bearing component; and (b) interleaving a solder mass between the fingers such that the solder mass is securely held by the fingers. The solder-bearing component includes any number of different types of components where a solder mass is held thereby, e.g., leads, terminals, connectors, electromagnetic shields, etc. Full Article
ea Indirectly heated electrode for gas discharge tube, gas discharge tube using said indirectly heated electrode, and lighting device for said gas discharge tube By www.freepatentsonline.com Published On :: Tue, 30 Sep 2008 08:00:00 EDT An indirectly heated cathode C1 comprises a heater 1, a double coil 2, a mesh member 3, and a metal oxide 10. An electrical insulating layer 4 is formed on the surface of heater 1. Heater 1 is inserted into and positioned at the inner side of double coil 2. Mesh member 3 is disposed along the length direction of double coil 2 at the outer side of double coil 2. Double coil 2 is grounded by being connected to the ground terminal of heater 1 via a lead rod 7. Metal oxide 10 is held by double coil 2 and disposed to be in contact with mesh member 3. Metal oxide 10 and mesh member 3 are exposed to the outer side of indirectly heated electrode C1 so that the surface of metal oxide 10 and the surface of mesh member 3 make up a discharge surface and mesh member 3 is in contact with the surface part of metal oxide 10. Full Article
ea Methods of treatment using combination therapy By www.freepatentsonline.com Published On :: Tue, 16 Sep 2014 08:00:00 EDT Provided herein are methods of treating a proliferative disease in a subject, comprising administering to the subject a therapeutically effective amount of AC220 and a nucleoside analog, a topoisomerase inhibitor or an anthracycline, or a combination thereof. Full Article
ea Lighting fixture that self-estimates its power usage and monitors its health By www.freepatentsonline.com Published On :: Tue, 18 Nov 2014 08:00:00 EST Apparatuses, methods and systems for lighting fixture determining its power usage and monitoring its operational health are disclosed. One embodiment includes a method of a lighting fixture determining its power usage. The method includes sensing, by an ambient light sensor, an intensity of light emitted from the lighting fixture, and estimating power usage of the lighting fixture based on the sensed intensity of light. Full Article
ea Adjustable welding head for multiple electrode cladding By www.freepatentsonline.com Published On :: Tue, 10 Feb 2015 08:00:00 EST A welding head is provided. The welding head includes a bracket and a plurality of blocks coupled to the bracket. Each of the plurality of blocks has a contact tip. The contact tips are adapted to receive an electrode. Further, at least one of the plurality of blocks is capable of variable positioning relative to the bracket. Full Article
ea Means for processing sheets of material By www.freepatentsonline.com Published On :: Tue, 17 Jan 1984 08:00:00 EST Method and apparatus for tri-axially aligning, folding, trimming and edge stitching a cloth sheet particularly adapted for making pockets for garments. Full Article
ea Image enhancement method and system for fiducial-less tracking of treatment targets By www.freepatentsonline.com Published On :: Tue, 21 Apr 2009 08:00:00 EDT A method and system are presented for enhancing one or more images of an object, so as to increase the visibility within the images of one or more structures within the object. The object may be an anatomical region of a patient, and may include one or more reference structures, for example skeletal structures or vertebral structures, and one or more treatment targets, for example tumors or lesions. An operator, for example a top-hat filter operator, selects at least a first neighborhood and a second neighborhood within the images. The operator selects within each neighborhood one or more pixels having an optimal pixel value, and eliminates the remaining pixels in these neighborhoods. When the operator is applied to the selected neighborhoods, only the pixels having the greatest pixel values remain in the selected neighborhoods, and the remaining pixels are eliminated in the selected neighborhoods. As a result, desired features can be located and enhanced in the images. Full Article
ea Linear actuator for a variable-geometry member of a turbocharger, and a turbocharger incorporating same By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A linear actuator for a variable-geometry member of a turbocharger includes a piston/rod assembly that can axially translate and also pivot to a limited extent. A permanent magnet is mounted in a fixed position within the actuator. A non-magnetized flux carrier is mounted in the piston/rod assembly, and its movement alters the magnetic field of the magnet. A Halls effects sensor detects the magnetic field and the signals produced by the sensor are used for determining axial position of the piston/rod assembly. Full Article
ea Compressors with improved sealing assemblies By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A compressor includes a housing; a compressor liner positioned within the housing and at least partially defining a first cylinder with an inlet and an outlet; a piston positioned within the first cylinder and configured to compress air flowing into the first cylinder through the inlet; a cylinder head at least partially defining the first cylinder; and a sealing assembly for sealing an interface between the compressor liner and the cylinder head. The sealing assembly includes a ring seal at an interface between the cylinder head and the compressor liner; a vent port on an opposite side of the ring seal from the first cylinder; and a vent tube extending between the vent port and the inlet such that air leaking through the ring seal from the first cylinder flows through the vent port, through the vent tube, and into the inlet. Full Article
ea Reinforced thermoplastic actuator with wear resistant plastic liner By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A fluid actuator includes a housing having a fluid chamber providing a first friction surface. An actuating member is arranged in the fluid chamber and has a second friction surface slideably engaging the first friction surface. The actuating member is configured to slide within the chamber between first and second positions. An insert is constructed from a first thermoplastic material and provides one of the first and second friction surfaces. A body structurally supports the insert and provides one of the housing or actuating member. The body is constructed from a second thermoplastic material molded about the insert and including short reinforcing fibers. Full Article
ea Combination cylinder with power-transmitting transmission having variable gear ratio By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT The invention relates to a combination cylinder, including a service brake cylinder as an active service brake with at least one service brake piston actuated by a pressure medium, the piston actuating a brake mechanism via a service brake piston rod, and further including a spring-loaded brake cylinder as a passive parking brake with a spring-loaded brake piston actuated by a pressure medium against the action of at least one pre-loaded spring, wherein the spring-loaded brake piston in the event of the parking brake is actuated transmits the power of the at least one pre-loaded spring by means of a power-transmitting transmission to the service brake piston rod. According to the invention, the transmission is designed such that the movements of the spring-loaded brake piston and the service brake piston rod are coaxial and the power transmission increases with increasing stroke of the spring-loaded brake piston. Full Article
ea Leak-proof damper having self-diagnostic feature By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A leak-proof damper with a self-diagnostic feature. An auxiliary oil reservoir body is disposed externally with respect to the damper cylinder and generally adjacent the rod seal, wherein the auxiliary oil reservoir body is concealed by an end cap. The maximum volume of oil retainable by the auxiliary oil reservoir body is predetermined to coincide with a volume of oil which may be lost from the interior of the damper cylinder and yet the damper will still function properly. The auxiliary oil reservoir body may be a seal body having an internal cavity providing an oil retention volume or an absorbent body having an absorbency capacity that provides an oil retention volume. Full Article
ea Integrated magnetostrictive linear displacement transducer and limit switch for an actuator By www.freepatentsonline.com Published On :: Tue, 07 Apr 2015 08:00:00 EDT The present invention relates to a position sensor and limit switch apparatus for an actuator. The actuator has a cylinder and a piston with at least one magnetized portion reciprocatingly disposed within the cylinder. The apparatus includes an elongate housing aligned parallel with the cylinder. A magnetostrictive linear displacement transducer is disposed within the housing for sensing the position of the at least one magnetized portion. The apparatus includes a switch means responsive to the transducer for operatively interrupting actuation of the piston upon the at least one magnetized portion reaching a limit position. Full Article
ea Piston-cylinder assembly having integrated measuring device By www.freepatentsonline.com Published On :: Tue, 07 Apr 2015 08:00:00 EDT A piston-cylinder assembly, in particular for pneumatic, hydraulic or mechatronic systems, includes a cylinder housing and a piston. The piston is coupled to a piston rod and disposed in the cylinder housing such that it can move along a longitudinal axis. A measuring device for detecting piston or piston rod position is provided inside the cylinder housing. Full Article
ea Methods and systems for managing a clearance gap in a piston engine By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT A piston engine may include a heat pipe capable of transferring heat away from a portion of the piston engine such as a combustion section. The heat pipe may be included as part of a piston assembly, a cylinder, or both. The heat pipe may be filled with a suitable heat pipe fluid that may undergo a phase change such as, for example, water, ethanol, ammonia, sodium, other fluids or combinations thereof. Boiling and condensing of the fluid within the heat pipe may utilize the latent heat of the fluid during heat transfer. Multiple heat pipes may be used in some instances. Full Article
ea Linear actuator By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT A linear actuator includes a cylinder main body, which is provided at one end thereof with a lock mechanism capable of restricting displacement of a slide table. The lock mechanism is equipped with a lock plate and a sub-piston. The lock plate is rotatable toward a side of the slide table by an elastic force of a spring, inserted into an insertion groove, and restricts displacement of the slide table. The sub-piston is displaced by a pressure fluid supplied to a supply port, and releases a displacement restricted state of the slide table by the lock plate. Full Article
ea Compact combined cylinder comprising a manual release device By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A brake cylinder for pneumatic vehicle brakes, especially for commercial vehicles, includes in addition to a pneumatic locking mechanism, a manual release mechanism for manually releasing the spring brake section, and a device designed to visually recognize the manual release condition of the spring brake section outside of the housing. Full Article
ea Device for the pulsed release of an amount of fluid that is stored in a storage housing By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A device for the pulsed release of an amount (3) of fluid that is stored in a storage housing (2) includes a piston (5) biased by a first spring (4) and movable within the storage housing (2) to dispense the fluid by the spring bias, when triggered by an actuator (6) to release a lock holding the piston in place (7). The lock (7) has individual catches (8) keeping the piston (5) in its pretensioned position and, when actuated by the actuator (6), releases the piston (5). Full Article
ea Assembly comprising a bumper skin and masking means By www.freepatentsonline.com Published On :: Tue, 24 Feb 2015 08:00:00 EST The assembly is for mounting to a motor vehicle having a bumper skin and it comprises a body part forming at least a portion of a bumper skin. The body part is defined by bottom and top edges. The top edge includes a first portion to be masked by a member of the vehicle that is to be fitted to the body part. The assembly includes at least a first masking element masking at least one portion of the bottom edge and at least a second masking element masking at least one second portion of the top edge of the body part, complementary to the at least one first portion of the top edge of the body part. The first and second masking elements are fixed relative to the body part once the assembly is mounted to the motor vehicle. Full Article
ea Vehicle bumper beam By www.freepatentsonline.com Published On :: Tue, 17 Mar 2015 08:00:00 EDT A vehicle bumper beam including: a resin beam having an elongate body extending along a vehicle-width direction, two tubular shock-absorbing portions disposed at the beam body's opposite longitudinal end portions extending in front-rear direction, the beam body and shock-absorbing portions being formed with each other; a metal beam disposed outside the resin beam in the front-rear direction, fixedly fitted to the resin beam. Further, flat attachment portions, formed with inner end portions of the shock-absorbing portions in front-rear direction; bent portions bent in a crank extending from attachment portions outward in front-rear direction, the beam body being to attachment portions via bent portions, the metal beam fixedly fitted to an outer surface of the beam body's intermediate portion; metal beam's opposite end portions extending beyond bent portions covering the right and left sides, fixedly fitted to distal end portions; each space defined by shock-absorbing portion, metal beam and bent portion. Full Article
ea Small overlap frontal impact countermeasure By www.freepatentsonline.com Published On :: Tue, 17 Mar 2015 08:00:00 EDT A countermeasure assembly for an automotive vehicle includes a front side rail extending in a generally longitudinal direction; a bumper having a main bumper member and a bumper extension forming an end portion of the bumper; and a pivot link having front and rear mounting portions. The front mounting portion is pivotably engaged with the bumper extension member to define a front pivot joint, and the rear mounting portion is pivotably engaged with the front side rail to define a rear pivot joint. The rear pivot joint is located rearward and inward from the front pivot joint. The bumper extension is bolted to the forward end of the front side rail. The bumper extension has a front member and a rear member, of which the rear member is bolted to the front side rail. The front member and the rear member of the bumper extension define a hollow box structure. Full Article
ea Central datum feature on railroad coupler body and corresponding gauges By www.freepatentsonline.com Published On :: Tue, 01 Oct 2013 08:00:00 EDT A coupler body for a railcar coupler, said coupler body comprising at least one central datum feature that does not wear during coupler use. Full Article
ea Railroad freight car draft gear By www.freepatentsonline.com Published On :: Tue, 26 Nov 2013 08:00:00 EST A railroad freight car multipiece spring seat assembly including a spring seat, a top plate, and a spring. The spring seat is adapted to operably engage one end of a spring assembly in a railroad freight car draft gear. The top plate is adapted to operably engage with each of a plurality of friction shoes arranged in the railroad freight car draft gear. The spring of the multipiece spring seat assembly is operably disposed between the spring seat and the top plate. Full Article
ea Draft sill with special rear draft lug for a railcar By www.freepatentsonline.com Published On :: Tue, 10 Dec 2013 08:00:00 EST A draft sill with special rear draft lug for a railcar is disclosed. In some embodiments, a rear draft lug comprises a metallic body. The rear draft lug further comprises a boss extending along a transverse portion of the metallic body. The boss is configured to be coupled to a first vertical reinforcement plate. The rear draft lug also comprises an overhang portion extending from the boss along the transverse portion. The overhang portion configured to be coupled to the first vertical reinforcement plate. In some embodiments, the boss and the overhang portion are configured to be coupled to the first vertical reinforcement plate with a weld. Full Article
ea Railway coupler core structure for increased strength and fatigue life of resulting knuckle By www.freepatentsonline.com Published On :: Tue, 04 Mar 2014 08:00:00 EST A finger core for forming the front part of a knuckle for a railcar, said finger core comprising a single opening to form a single rib at the horizontal center line of the resulting knuckle. Full Article
ea Elastomeric draft gear for a railcar By www.freepatentsonline.com Published On :: Tue, 18 Mar 2014 08:00:00 EDT A draft gear assembly includes housing and an elastomeric spring stack disposed therewithin and including a plurality of compressible elastomeric springs disposed in series with each other. Each compressible elastomeric spring includes a compressible elastomeric pad, a rigid member positioned in direct contact with one end surface of the compressible elastomeric pad, a central aperture through a thickness of the rigid member, an abutment upstanding axially on the end surface of the compressible elastomeric pad, the abutment having a peripheral surface thereof sized to be received within the central aperture formed through the thickness of the rigid member, and an annular lip disposed on a distal end of the axial abutment in a plane being substantially transverse to the central axis, whereby an annular thickness portion of the rigid member is caged between the end surface of the compressible elastomeric pad and an inner surface of the annular lip. Full Article
ea Coupler yoke and coupler draft gear By www.freepatentsonline.com Published On :: Tue, 01 Apr 2014 08:00:00 EDT A coupler yoke and a coupler draft gear are used in the field of carriages of a railway and aim at solving the problems of lower strength, low safety and reliability and the like in the prior art. The coupler yoke comprises a hollow yoke body with the cross section being in a long concentric-square shape, the inner side surface of the one end of the hollow yoke body is a bearing surface, and at least part of the heavy loading area of the bearing surface protrudes outwards relatively to the end surface of the light loading area. The coupler yoke is used for connecting couplers between the carriages of a train, so that the carriages are connected to form the train for transmitting the tractive force in the transportation; the distribution pattern of the existing bearing surface is changed due to the arrangement of a middle groove. Full Article
ea Heavy-duty pivot plate adjusting joint By www.freepatentsonline.com Published On :: Tue, 06 May 2014 08:00:00 EDT A heavy-duty pivot plate adjusting joint for railroad freight cars connects multi-part car sections. To this end, the adjusting joint is configured such that each drawbar end is provided with only one end coupling rod part having a spring column, and the drawbar is connected by way of the drawbar end plates to the support bearing plates of an under frame provided on a car side. Each adjusting joint is provided with an adjusting point pivot plate, wherein a pivot plate roll surface is present directly at the pivot plate or at the adjoining contact surfaces transmitting pressure force, the surfaces having a spherical or two-dimensional shape. A configuration of the adjusting joints in a “regular embodiment” is proposed, wherein the distance of the transmission end points of balance is smaller than the distance of the spring travel limiters. Full Article
ea Railcar coupler knuckle cores with rear core support By www.freepatentsonline.com Published On :: Tue, 10 Jun 2014 08:00:00 EDT A core assembly for creating interior spaces in a railcar coupler knuckle is designed to be set in a cavity with cope and drag sections. The cavity is shaped to form a railcar coupler knuckle and includes a first wall that forms the substantially vertical outside wall of the tail of the knuckle. The core includes a kidney section with a rear core support section that extends at least 0.5″ outside the first wall of the cavity when the core is set in the drag. Full Article
ea Mechanical coupling in a draftgear By www.freepatentsonline.com Published On :: Tue, 12 Aug 2014 08:00:00 EDT A mechanical coupling, particularly in a draftgear in rail vehicles, includes a central plate (5) turnably mounted in a coupler head and having a link (7) pivoted in the same, and including a hooking mechanism for detachable hooking up of the central plate and the link in the non coupled position of the coupling, and a releasing device (10) for the automatic detachment of the hooking mechanism upon coupling. The hooking mechanism includes a hooking rod (12) pivotally connected with the central plate, which rod, by a lug (16), clutches a collar (11) arranged in the coupler head and, upon activation of the releasing device, detaches from the collar. A leaf spring (13) is arranged in the coupler head in order to, in abutment against the hooking rod, force the same, under the bias from the spring, to be pressed against the collar in the hooked up and disengaged positions. Full Article
ea Railroad freight car draft gear assembly By www.freepatentsonline.com Published On :: Tue, 28 Oct 2014 08:00:00 EDT A railcar draft gear assembly having an axially elongated spring assembly comprised of an axially stacked array of individual spring units and further including cooperating instrumentalities for maintaining the spring assembly generally axially aligned with a longitudinal axis of the railcar draft gear assembly during operation of the draft gear assembly while maintaining the individual spring units in generally aligned relation relative to each other. Full Article
ea Shock-absorbing coupler head for a coupling arrangement By www.freepatentsonline.com Published On :: Tue, 23 Dec 2014 08:00:00 EST A coupler head for a coupling arrangement is shown, which coupler head includes a coupler head housing (6) extending in a longitudinal direction from a first end (6a), attachable to a drawbar, to a second end (6b), which is arranged to carry a coupling interface between coupled rail vehicles, which coupler head housing houses mechanical coupling components (8,9) effective for automatic coupling to the corresponding components of a connecting coupling arrangement. The coupler head is characterized in that the coupler head housing has at least one notch (11, 11') for a predetermined and primarily axial compression thereof with absorption of energy from a deforming compressive force that is applied to the coupler head in the longitudinal direction thereof. The coupler head has preferably at least one notch (11, 11') for a predetermined folding of the coupler head housing. Full Article
ea Friction/elastomeric draft gear By www.freepatentsonline.com Published On :: Tue, 27 Jan 2015 08:00:00 EST A friction/elastomeric draft gear having a housing, a spring assembly arranged within the housing, and a friction clutch assembly having a wedge member and defining first sliding friction surface disposed at an angle θ relative to a longitudinal axis of the draft gear and a second friction surface disposed at an angle β relative to a longitudinal axis of the draft gear. The spring assembly is designed in combination with the angles θ and β of the first and second friction sliding surfaces relative to the longitudinal axis such that the draft gear consistently and repeatedly withstands between about 100 KJ and 130 KJ of energy imparted at less than three meganewtons over a range of travel of the wedge member in an inward axial direction relative to the draft gear housing not exceeding 120 mm. Full Article
ea Railcar draft gear assembly and related method for assembling a railcar draft gear By www.freepatentsonline.com Published On :: Tue, 24 Mar 2015 08:00:00 EDT A railcar draft gear assembly including a housing, a spring sea, a spring and a friction clutch assembly in operable combination relative to each other within the housing. The spring includes a series of axially stacked elastomeric pads arranged between a closed end of the housing and the spring seat. An axially elongated guide rod is endwise passed through the spring seat and elastomeric pads for aligning the pads relative to a longitudinal axis of the draft gear assembly. The guide rod is operably inhibited from axial shifting movements during operation of the draft gear assembly. A related method for assembling the draft gear is also disclosed. Full Article
ea Multipass rotary shear comminution process to produce corn stover particles By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT A process of comminution of corn stover having a grain direction to produce a mixture of corn stover, by feeding the corn stover in a direction of travel substantially randomly to the grain direction one or more times through a counter rotating pair of intermeshing arrays of cutting discs (D) arrayed axially perpendicular to the direction of corn stover travel. Full Article
ea Processing nickel bearing sulphides By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT The present invention provides a method of separating nickel bearing sulphides from mined ores or concentrates of mined ores that contain talc particles is disclosed. The method comprises adjusting the Eh of a slurry of mined ores or concentrates of mined ores and making particles of nickel bearing sulphides less hydrophobic than talc particles and floating the nickel bearing sulphide particles from the slurry. Full Article