too

Universal work tool connector device for skid steer loader

A connector device enables universal compatibility and interchangeability between any work tool accessory having a boom feature and any skid steer loader as well as controlled support of the work tool accessory. The connector device also prevents machine instability issues.




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Hook assembly for use with a power tool

A hook assembly includes an end cap having an outer periphery. The end cap is configured to be connected to a power tool. A hook is rotatably coupled to the outer periphery of the end cap. An O-ring is positioned between the outer periphery of the end cap and the hook. A protrusion is included on one of the outer periphery of the end cap and the hook to frictionally engage the O-ring to secure the hook in at least one selected rotational position relative to the end cap.




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Fastener driving tool

The invention relates to a fastener driving tool comprising a tank (5) for storing a fuel, in particular liquefied petroleum gas, a combustion chamber (2) connected to the tank (5), wherein the combustion chamber (2) has a movable piston for powering a driving plunger, and a metering device (4) arranged between the tank (5) and the combustion chamber (2) wherein a defined quantity of fuel can be transported by means of the metering device (4) from a metering space (12) into the combustion chamber (2), wherein the metering device (4) comprises a thermomechanical element (15) by means of which the defined amount can be varied as a function of a temperature.




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Reversible floating punch retainer for punch change retainer tool

A punch change retainer for positioning a floating punch in a retracted, disengage position and an extended, engage position. The change retainer includes a change retainer body and a punch retainer receiving aperture extending upwardly through the change retainer body from a bottom surface thereof. A gagging member is located in the change retainer body and is actuable by an actuator between a retracted position distal from a nose portion of the change retainer body and an extended position adjacent the nose portion of the change retainer body. A floating punch retainer is receivable within the punch retainer receiving aperture, and includes an upper end positioned for engagement with the gagging member. A punch receiving hole is defined in the floating punch retainer; where the punch receiving hole is adapted to be rotatably positioned about a longitudinal center line of the floating punch retainer within the punch retainer receiving aperture.




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Tool selection method for machine tool, control device, and numerically controlled lathe

A tool selection method, for a machine tool, comprising the steps of identifying the maximum tip distance (D2) of a currently selected tool (141), a next designated tool (142) and an intermediate tool (143) disposed therebetween; moving a tool rest (10) in the +(plus)X-axis direction after a machining by the currently selected tool (141) is completed until the tip of the currently selected tool (141) is spaced from a workpiece (W) along the X-axis by a distance provided by adding a clearance distance (E) to a difference between the maximum tip distance (D2) and the tip distance (D3) of the currently selected tool (141); moving the tool rest (10) in the +(plus)Y-axis direction until the tip of the next designated tool (142) is aligned with the rotation center axis (12a) of the workpiece (W) in the X-axis direction; and moving the tool rest (10) in the −(minus)X-axis direction.




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System and method for tool use management

The present invention provides a system and method for tool use management wherein a CNC machine retains information identifying the tools associated with the machine as well as their current locations (if any), and executes an algorithm for determining the source tools needed by a part program and matching the source tools with the available tools.




too

Tool selection method for machine tool, control device, and numerically controlled lathe

A tool selection method, for a machine tool, comprising the steps of identifying the maximum tip distance (D2) of a currently selected tool (141), a next designated tool (142) and an intermediate tool (143) disposed therebetween; moving a tool rest (10) in the +(plus)X-axis direction after a machining by the currently selected tool (141) is completed until the tip of the currently selected tool (141) is spaced from a workpiece (W) along the X-axis by a distance provided by adding a clearance distance (E) to a difference between the maximum tip distance (D2) and the tip distance (D3) of the currently selected tool (141); moving the tool rest (10) in the +(plus)Y-axis direction until the tip of the next designated tool (142) is aligned with the rotation center axis (12a) of the workpiece (W) in the X-axis direction; and moving the tool rest (10) in the −(minus)X-axis direction.




too

Isolation tool

A method of isolating a section of pipe includes the steps of locating a seal unit having two seal elements in a pipe via a penetration in the pipe, such as a branch or tee. The seal unit is then positioned in the pipe downstream of the penetration. The seal elements are activated using a primary activation mechanism to engage the pipe wall and then maintained in an activated condition using a secondary activation mechanism.




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Switchable plate manufacturing vacuum tool

Systems, methods, and apparatus are provided to enable a vacuum tool to have a switchable plate, such that a common vacuum tool may be adapted with different plates. A switchable plate may form the entirety of the vacuum tool's material contacting surface or a switchable plate may form a portion of the material contacting surface. The vacuum tool is effective for picking and placing one or more manufacturing parts utilizing a vacuum force.




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Cleaning tool assembly with a disposable cleaning implement

A cleaning assembly including a disposable cleaning implement having a cleaning element mounted to a fitment having an elongated post. The cleaning assembly includes an elongated maneuvering wand having a handle portion and a distal implement attachment end thereof. A gripping mechanism is coupled to the wand attachment end, and is configured to releasably grip the fitment post to mount the cleaning implement. The gripping mechanism and the maneuvering wand cooperate to substantially limited pivotal movement of a longitudinal axis of the fitment post, relative a longitudinal axis of the gripping mechanism to not more than about 0 degrees to about 25 degrees when the fitment post is subjected to forces radial to the longitudinal axis of the fitment post. In another aspect, the frictional drag between the sliding components is significantly reduced, enabling a tool assembly with a high axial holding force for the cleaning implement, but with a significantly lower, consumer friendly release force for the Implement during release operation of the tool assembly.




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Two handle log and firewood pickup tool

A tool for lifting and carrying wood of a two opposing pointed arm pivoted construction. A drive handle extends from one arm and an offset carrying handle extends from the other arm. Each arm has a curved free end portion terminating in a wood engagement point. The arms are pivoted together at their distal ends with an arm stop extending therebetween preventing the arms from closing completely. The arms respective end engagement points provide for opposing wood end engagement to grip and hold a single log or firewood piece securely therebetween for lifting and carrying until select release by the user.




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Chimney tile removal tool

A tool for lifting a tile from the bore of a chimney or other vertical opening has pivotably connected arms. Jaws at the lower ends of the arms are offset from a lifting point of the tool and optionally, from the pivot point. An actuating mechanism closes the jaws. One mechanism comprises a screw that moves a nut and one or more toggle elements connected thereto. Another mechanism comprises toggle elements which connect to the upper ends of arms and pull on them when upward force is applied at a lifting point. A releasable latch keeps the arms of tool spaced apart while a tile wall is being engaged. At least one jaw is a thin plate; preferably the opposing jaw is pivotable. Both jaws may be angled relative to the principal axis of the tool.




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Trash spearing tools with retractable spearing pins

A trash spearing tool and method are provided. The tool includes a spearing pin, a trigger assembly, an inner tube, and an outer tube. The trigger assembly is movable between a normal position and an activated position. The outer tube is slidable between a storage position and a use position. The spearing pin is operatively coupled to the trigger assembly in such manner that, when the outer tube is in the use position and the trigger assembly is in the normal position, the spearing pin is normally biased to an extended position in which a portion of the spearing pin extends from the outer tube and, when the outer tube is in the storage position and the trigger assembly is in either the normal position or use position, the spearing pin to in a retracted position in which the spearing pin does not extend from the outer tube.




too

Control rod drive shaft unlatching tool

A CRDS unlatching tool includes a support assembly and a latching assembly, wherein the support assembly is received within the latching assembly in a manner wherein the latching assembly is moveable relative to the support assembly. The support assembly has a plurality of latch fingers and at least one pin, each of the latch fingers being movable between a latched position wherein the latch finger is structured to engage and hold the CRDS an unlatched position wherein the latch finger is structured to not engage the CRDS. The latching assembly includes a first sleeve member and a second sleeve member, the second sleeve member having at least one slot, wherein the at least one pin is moveably received within the at least one slot. The latching assembly is movable from a latched state to an unlatched state wherein the latch fingers are actuated by the first sleeve member.




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Guiding mechanism for an electric tool

A guiding mechanism for an electric tool includes at least two guiding elements at least one of which has a first end portion having at least one protruding portion extending outwards therefrom and the other of which has a second end portion having at least one groove therein which may be engaged with the protruding portion. The groove has a cut-out and the protruding portion has an elastic clamping portion which may be engaged with the cut-out.




too

Platform attachment for a rotary hand tool

Embodiments of the present invention comprise a platform attachment for use with a power hand tool which has a housing with a front nose portion with a rotary output shaft extending therefrom, and a tool holding mechanism on the output shaft for holding a tool, the attachment comprising a mounting component having an opening generally aligned with the output shaft through which a tool can extend, a platform component having a base portion and a platform portion, the base portion being adjustably attached to the mounting component, the platform portion having an outer generally planar main surface that is perpendicular to the axis and having an opening through which a tool can extend, and a generally planar secondary surface that extends downwardly from the main surface at a predetermined angle relative to the axis, and a mechanism for releasably locking the platform component on the mounting component.




too

Machine tool

A machine tool re-machines a workpiece after positioning drive motors, a hob and the workpiece by stopping the drive motors with the rotational positions of the drive motors, the hob and the workpiece corresponding to their respective zero positions. For this purpose, a drive control section recognizes, based on the rotational-speed ratio of the drive motor corresponding to the hob and the hob and/or the rotational-speed ratio of the drive motor corresponding to the workpiece to the workpiece, and detection signals from detection sensors detecting that the rotational positions of the drive motors are at their respective zero positions, detections signals when the rotational positions of the drive motors and the rotational positions of the hob and the workpiece correspond to their respective zero positions, and stops the drive motors with the rotational positions of the drive motors, the hob and the workpiece corresponding to their respective zero positions.




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Machine tool

The table on which a workpiece is put can travel on a guide rail mechanism relative to a working head with a cutting tool mounted thereon. The table is connected through a nut to a ball screw part to move in an axial direction thereof as the ball screw part rotates. One end of the ball screw part is supported by a bearing and the other end is connected to a servomotor to be rotationally driven. A hollow part is provided in the table to receive therein a damper mechanism part, which comprises a spring, a damper, and a weight, the table and the weight being arranged to enable traveling separately on guide rails. Thereby, even when the workpiece is heavy, the weight can move relative to the table to effectively damp vibrations of the table in a feed direction.




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Pallet changing device for a machine tool and machine tool comprising a pallet changing device

A pallet changing device (40) for changing pallets on a machine tool comprises a changing device (15) including connecting elements (26, 28) for releasably connecting the pallet changing device (40) to pallets (7, 8), a rotational drive (19) for rotating the changing device (15) in a working plane (18), and a lifting device (20) for raising and lowering the changing device (15) and thus the working plane (18) within a workspace (21). The rotational drive (19) is arranged outside the workspace (21).




too

Machine tool system

The machine tool system includes a machine tool, a loader and a support frame structure. The machine tool includes a bed and a processing equipment disposed above the bed to process a work. The loader includes a guide unit disposed above the machine tool and a movable body movable along the guide unit to load and unload the work relative to the processing equipment. The support frame structure includes left and right stands installed on a floor surface at left and right sides of the bed to support the guide unit from below and a reinforcement member inserted in a throughhole, which is provided in the bed so as to extend in a leftward and rightward direction, in a non-contact fashion without contacting an inner face of the throughhole, with left and right ends thereof connected to vertically halfway portions of the associated stands.




too

Retention knob for tool holder

A retention knob for use with a tool holder that is less prone to distorting a tapered tool holder surface, especially if it is over-tightened. The retention knob includes a knob head, a flange engageable with an end of a tool holder shank, a pilot segment receivable by the counter bore defined by said tool holder shank and a threaded segment spaced from said flange by an undercut segment. The threaded segment is configured so that it has a length that is substantially the minimum length required to achieve maximum thread holding strength. The undercut segment is configured to space the threaded segment from its head so that a distal end of the threaded segment is substantially near the bottom of the tapered bore forming part of the tool holder.




too

Fly-cutting system and method, and related tooling and articles

Methods of fly-cutting a workpiece are disclosed, and in methods in which the position of a fly-cutting head or its associated cutting element is known as a function of time. Also disclosed are methods of forming features, such as grooves or groove segments, in a workpiece such as a cylindrical roll. The features may be provided according to one or more disclosed patterns. Articles made using tools machined in the manner described are also provided, such as polymeric film or sheeting that exhibit certain beneficial properties.




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Rotary joint device, method of machining rotary joint device, and main shaft driving apparatus for machine tool including rotary joint device

A rotary joint device includes attachment grooves formed at positions in an outer peripheral surface of an outer cylinder, each attachment groove being formed so as to straddle a pair of adjacent cylindrical blocks and so as to be exposed from the outer peripheral surface of the outer cylinder, each attachment groove having a bottom surface that is machined to form a flat surface in a state in which the cylindrical blocks are combined, and positioning blocks corresponding to the attachment grooves on a one-to-one basis and each having an attachment phase that is uniquely set to a corresponding one of the attachment grooves in the axial direction and in a circumferential direction of the outer cylinder, each positioning block having an attachment surface corresponding to the bottom surface of a corresponding one of the attachment grooves, the attachment surface being machined so as to form a flat surface.




too

Machine tool comprising a machine spindle, a tool holder and a contact point for electric current or data transmission

A machine tool having a motor-driven machine spindle which can be rotated about a spindle axis. The machine spindle has a tool holder arranged at the face. A tool is exchangeably arranged on the machine spindle. The tool has a coupling element which is compatible with the tool holder of the machine spindle. The coupling element has a rear surface pointing toward the machine spindle. The machine tool has at least one galvanic contact point for the electric current or data transmission, the point being arranged between the machine spindle and the tool and rotating together with the machine spindle. The galvanic contact point has a contact element which is arranged at the face of the tool holder on the spindle side, and a contact element which is arranged on the rear surface of the coupling element on the tool side.




too

Vibration suppressing method and vibration suppressing device for us in machine tool

In a machine tool having a rotary shaft for use in rotating a tool or a workpiece, a plurality of stable rotation speeds at which the chatter vibrations are expected to be suppressed, and at least one switching rotation speed across which a dynamic characteristic of a rotary shaft system changes are stored. The plurality of stable rotation speeds may be determined from chatter vibrations detected using a vibration detection unit. Optimum rotation speed that is a rotation speed to which a rotation speed of the rotary shaft is changeable without crossing the switching rotation speed is selected from the plurality of stable rotation speeds, and the rotation speed of the rotary shaft is changed to the optimum rotation speed. Thus, chatter vibrations generated during rotation of the rotary shaft can be suppressed effectively.




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Ram guiding apparatus of machine tool

A ram guiding apparatus 1 of a machine tool is incorporated in a portal type machine tool 2 and provided with a cross saddle 5 that is cross-like in shape, as seen in a side view of the machine tool 2, provided so as to be freely movable in the horizontal direction along a horizontal cross beam 4. The cross saddle 5 has a box 18, both upper and lower faces thereof being open, in a front side of a horizontal part, wherein a first linear guide 21, a second linear guide 22, and a third linear guide 23, respectively serving as linear guides in the box 18 for a ram vertical movement, guide the ram 9 so as to be freely movable only in the vertical direction.




too

Tool holder

To provide a tool holder that is capable of exerting a vibration-minimizing effect in a reliable manner using a simple configuration and that is extremely useful for practical application. A tool holder comprising a vibration-minimizing part for minimizing vibration generated in a tool (1) when the tool (1) is used to perform machining, the vibration-minimizing part being provided, on a distal-end side, with tool-holding means for detachably securing the tool (1) and provided, on a proximal-end side, with a shank part (2) to be mounted on a spindle of a machine tool; wherein a plurality of reinforcing parts (4) extending in an axial direction of the tool holder (3) are provided to a peripheral section of the tool holder (3) in a radial direction; accommodating recesses (6) for accommodating a vibration-damping material (5) are provided between the reinforcing parts (4); the vibration-damping material (5) is accommodated in the accommodating recesses (6); and the vibration-damping material (5) and the reinforcing parts (4) form the vibration-minimizing part.




too

Micrometer case mouth chamfer tool

A case mouth chamfer tool utilizes an easily adjustable cutter holder member. The adjustable cutter holder member slides in a dovetail, is adjusted by advancing and retreating a screw, and is held in place by a set screw. The case mouth chamfer tool may be fixed to a micrometer dial threadedly engaging a barrel. A case adapter bearing is fixed to the barrel. The case mouth chamfer tool is adjusted to cut an inside chamfer and the micrometer dial is rotated to adjust the position of the case mouth chamfer tool with respect to the case adapter bearing to precisely adjust the amount of material cut from the case. The case adapter bearing is easily changed to chamfer different cases.




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System for compensating for the ram drop in a machine-tool

The present invention relates to a compensation system for compensating for the drop of the ram in a machine tool, comprising a vertical translation carriage (1) incorporating the application ram, at least one and preferably two perforated plates (2) being arranged on said carriage (1), on each of which there is incorporated a fixed sliding block (3) and movable sliding blocks (4), which blocks are linked with a guide for the transverse movement of the ram, such that the drop of the ram is compensated for by means of the controlled bending of the plates (2).




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Tool adaptor having an integrated damping device

A tool adapter includes an adaptor body having a connection portion structured to be attached to a machine tool and a holder portion disposed opposite the connection portion and a tool receiver structured to receive and couple a portion of a rotary cutting tool therein. The tool receiver is mounted in the holder portion so as to be rotatable to a limited extent. The tool receiver is mounted in the holder so as to be elastically resilient in both the axial and circumferential directions.




too

Matrix tabulating and alignment tool




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Electric power tool

An electric power tool is included in a plurality of types of electric power tools. The plurality of types of electric power tools comprise a plurality of types of battery packs having different rated output voltages and a plurality of types of tool bodies, the housings of which are equipped with an attached part on which each of the battery packs is mounted in a freely removable manner. The attached part possessed by the plurality of types of tool bodies equipped with motors having different voltage characteristics is formed so as to be able to mount an arbitrary one of the plurality of types of battery packs having different rated output voltages. This makes it possible to widen the range of available battery packs and enhance convenience.




too

Various improvements to stump cutting tool discs

The present invention is generally directed to a grinder tool preferably having one or more of the following aspects or features: (i) some, preferably most, of the footprint of its bit being shielded by the disc; (ii) the peripheral edge of the disc is at least partially covered by a rock stop hard surface layer; (iii) non-rigid mounting hardware structured to provide a non-rigid mechanical connection between the well and the bit sub-assembly (for example, the non-rigid mounting hardware may include: a rubber isolator; a mesh isolator; and/or a fluid filled isolator); (iv) a stump grinding tool rotating disc assembly having at least one first type bit sub-assembly (including a bit) and at least one second type bit sub-assembly (including a bit), where: (a) the first type bit sub-assembly has a first bit footprint geometry, (b) the first type bit sub-assembly has a first bit footprint geometry, and (c) the first bit footprint geometry is different than the second bit footprint geometry; (v) a rotating disc assembly includes a disc that includes multiple guide protrusions extending axially from both axial ends of the disc around an angular range leading the angular position of each bit sub-assembly; (vi) a rotating disc assembly having rollers built into the peripheral edge of the disc; and/or (vii) disc assembly with a bit holder member that extends over a portion of the opposite axial faces of the disc.




too

Support stands for movable support of power tools

A support stand for movable support of a power tool features the use of rollers to support a tool mount along an elongated track. The track features a cover arrangement disposed over the surfaces on which the rollers move so as to avoid sawdust or other debris from building up on the track and interfering with smooth rolling motion of the tool mount. The stand is assembled in a working position by attaching two stand sections end to end to form the track, and is also configured for arrangement into a collapsed condition in which the stand sections stack one atop the other for space efficient storage and convenient transport.




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Machining tool

The invention relates to a machining tool (14) for machining materials by removing material, in particular for wood or wood-like materials, metals, plastics and/or composite materials. The machining tool is provided to be driven in rotation about an axis of rotation (1) and comprises at least one row (17, 18, 19) of individual cutters (2, 2″) arranged in the peripheral direction and having cutting edges (3, 3″) which at least partly overlap. The cutting edges (3, 3″) have a rake angle and are located at an axial angle (λ) in relation to the axis of rotation (1). The axial angle (λ) lies in a range from 55° to 55°.




too

Power tool with integral pencil sharpener

In one embodiment of the present invention, a power tool includes a housing having a first opening formed therein with a motor being contained within the housing. The tool includes a device for sharpening a writing implement. The sharpening device is at least partially contained within the housing and accessible through the first opening which permits the writing implement to be inserted into the sharpening device. The sharpening device is operatively connected to the motor such that operation of the motor drives the sharpening device.




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Extension table assembly for power tools

An extension table assembly for a power tool having a working surface for supporting a piece of material to be modified, and a working area where the power tool can modify a piece of material. The extension table assembly comprising a frame portion, at least one arm portion, a drive system, and a measurement system.




too

Electrical power tools

An electrical power tool may include a base capable of contacting the work-piece, a tool main body detachably attached to the base, and an elevating mechanism that is capable of changing a relative position of the tool main body to the base. The elevating mechanism includes a male elevating member that is releasably integrated with the tool main body, a female elevating member that is attached to the base and is capable of relatively raising and lowering the male elevating member, and an integrating mechanism that is capable of releasably integrating the male elevating member with the tool main body. The tool main body is capable of being removed from the base while the male elevating member is left in the base when the male elevating member is released from the tool main body by operating the integrating mechanism.




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Lift device for power tool

A lift device for selectively adjusting a vertical position of a power tool relative to a working surface of a plate of a work bench includes a carriage assembly securable to an underside of the plate. The carriage assembly includes a securement mechanism selectively adjustable for interchangeably securing a plurality of power tools of different cross-sectional dimensions to the carriage assembly. A drive assembly selectively moves the securement mechanism upward and downward relative to the plate to adjust the vertical position of the power tool relative to the working surface when the power tool is secured to the carriage assembly. A drive-locking mechanism selectively locks the drive assembly. The drive-locking mechanism includes a cam lock for selectively engaging the drive shaft to inhibit rotation of the drive shaft.




too

Closing tool

A closing tool to be attached to a plough frame to engage a soil layer, the tool includes an attachment stem via which the closing tool is attached to the plough frame. Secured to the lower portion of the stem are wear resistant members.




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System and method for coordinating product delivery with ground engaging tool position

An agricultural implement system that includes a control system configured to receive a first signal to initiate seeding operations, to transition a ground engaging tool toward a working position at a first time after receiving the first signal, and to activate a product delivery system at a second time, different from the first time, after receiving the first signal.




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Tool bar mounting assembly for an agricultural implement

A tool bar mounting assembly for an agricultural implement. One agricultural implement includes a first tool bar assembly having a tool bar and a plurality of row units coupled to the tool bar and configured to deliver flowable agricultural product to a field. The agricultural implement also includes a frame assembly coupled to the first tool bar assembly. The frame assembly includes a mounting assembly having a mechanical linkage. The mechanical linkage is configured to removably couple the first tool bar assembly to the frame assembly via a plurality of fasteners. The frame assembly is configured to provide structural support to the first tool bar assembly. The mechanical linkage of mounting assembly is configured to removably couple a second tool bar assembly having a different configuration than the first tool bar assembly to the frame assembly via the plurality of fasteners.




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Method and system for calculating and displaying work tool orientation and machine using same

A machine includes a plurality of ground engaging elements and an operator control station supported on a frame. A work tool is pivotably attached to the frame using a lift arm assembly and a tilt linkage. At least one device measures a quantity associated with at least one of the lift arm assembly, the tilt linkage, and the work tool. An electronic controller, in communication with an operator display and the at least one device. The electronic controller is configured to store an operator selected orientation of the work tool, calculate a current orientation of the work tool based on the quantity, and calculate a deviation of the current orientation from the operator selected orientation. A visual representation of the deviation is displayed on the operator display.




too

Hand held material moving tool

A hand held material moving tool is disclosed. The material engaging implement has a material engaging portion adapted for movement of material. A handle is connected to a top surface of the tool. The handle is positioned low and in close proximity to the material engaging portion of the implement. The handle is connected to the tool by a swivel mechanism permitting a predetermined amount of pivot of the implement in relation to the handle about an axis.




too

Agricultural toolbar transport system

A toolbar transport system for extending and retracting a large agricultural toolbar. Forward and rearward folding segments of the toolbar allow the toolbar assembly to retract against the sides of the vehicle without interfering with the steering wheels. A forward-folding segment and rearward-folding segment of each lateral toolbar section connect to provide steering wheel clearance in the transfer position and an integrated lateral toolbar with regularly-spaced ground-engaging implements in the application position. Gauge wheel assemblies assist in the extension and deployment of the toolbar assembly.




too

Ruggedized tool and detector device

A tool comprising a tool body having an opening defined by interior walls extending into the tool body and a casing disposed within the opening. The tool further includes a scintillator material disposed within the casing and a first compressive member disposed within the tool body at a first axial location. The first axial location extends for a fraction of a total axial length of the casing and exerts a first radially compressive force at the first axial location.




too

Shaped cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods

A cutting element for an earth-boring tool. The cutting element comprises a substrate base, and a volume of polycrystalline diamond material on an end of the substrate base. The volume of polycrystalline diamond material comprises a generally conical surface, an apex centered about a longitudinal axis extending through a center of the substrate base, a flat cutting surface extending from a first point at least substantially proximate the apex to a second point on the cutting element more proximate a lateral side surface of the substrate base. Another cutting element is disclosed, as are a method of manufacturing and a method of using such cutting elements.




too

Drilling speed and depth computation for downhole tools

A method for managing a drilling operation, including generating, by a first sensor and a second sensor of a bottom hole assembly (BHA), a first time based data log and a second time based data log, respectively, representing a borehole parameter along a drilling trajectory, determining, by a computer processor of the BHA and during the drilling operation, a time shift by comparing the first time based data log and the second time based data log, where offsetting the first and second time based data logs by the time shift maximizes a correlation factor of the first and second time based data logs, and determining, within a pre-determined time period from generating the first and second time based data logs, a drilling speed based on the time shift and a pre-determined distance between the first sensor and the second sensor.




too

Vibrational tool with rotating engagement surfaces and method

A vibrational tool and method is disclosed, which may be utilized to assist in lowering a drill string into a wellbore. In one embodiment, a reciprocating member and a symmetrical rotating member are mounted within a vibrational tool housing. The reciprocating member is urged in one embodiment by a spring assembly toward the rotating member whereby engagement surfaces on the reciprocating member and rotating member encounter each other. As the rotating member rotates, variable surfaces on the engagement surface cause the reciprocating member to reciprocate as the variable surfaces follow or cam with respect to each other during rotation. The resistance to rotation by engagement surfaces and spring assembly, and mass of the rotating member, result in vibrational forces, when drilling fluid flows through the vibration tool housing.




too

Adjustable bent drilling tool having in situ drilling direction change capability

An adjustable bent drilling tool capable of changing in situ drilling direction to facilitate horizontal drilling. The drilling tool may be controlled from the surface and eliminates the need to bring the tool to the surface for reconfiguration. In one embodiment, the drilling tool utilizes a communications module to communicate with upstream sections of the tool. The communications module is connected to a programmable electronic control module which controls an electric motor. A hydraulic valve assembly follows the control module, which receives input signals and controls a pilot piston between two fixed points of a mid-assembly typically located adjacent to and downstream of the hydraulic valve assembly on the drill tool. A lower assembly is attached to the drill tool immediately following the mid-assembly, and provides both a safety release sub-assembly as well as a bendable sub-assembly which directs the adjustable drill tool to change drilling angle and direction.