A vehicle passive entry side door latch release system engageable with a release cable connected a door latch includes a moveable linkage assembly engageable with the cable, and a motor including an output shaft engaged with a tensioning gear for driving a ratcheting gearwheel rotatably affixed to a coil spring, with the gearwheel including external teeth engageable with a rack affixed to the linkage to move the cable to unlatch the door latch. A pivotable ratcheting pawl may be engageable with the gearwheel to allow or prevent rotation of the gearwheel. Operation of the motor may drive the gear to drive the gearwheel in a rotary direction to energize the spring, and disengagement of the pawl from the gearwheel may allow stored energy in the spring to drive the gearwheel in an opposite rotary direction to thereby drive the rack to move the cable to unlatch the door latch.

An actuator and door latch system incorporating the same. The actuator moves a door latch between locked and unlocked positions with rapidity using a gear train directly coupled to an actuator motor or energy stored in an energy storage element such as a spring.

A spring-based mechanism for saving labor of a bicycle rider is disclosed and in one embodiment includes an axle operatively connected to a chain wheel and a first set of bearings via a gear assembly; a housing for mounting a shaft therein wherein the first set of bearings is provided at one end of the shaft; a second set of bearings provided at the other end of the shaft; a spring in the housing and having one end attached to one end of the shaft and the other end attached to the other end of the housing; and a clutch provided externally of the other end of the housing, the clutch being operatively connected to the second set of bearings and including a lock lever. The mechanism can store elastic force by counterclockwise pedaling and release the stored energy by disengaging a clutch from the mechanism when riding uphill.

A vehicle passive entry side door latch release system engageable with a release cable connected a door latch includes a moveable linkage assembly engageable with the cable, and a motor including an output shaft engaged with a tensioning gear for driving a ratcheting gearwheel rotatably affixed to a coil spring, with the gearwheel including external teeth engageable with a rack affixed to the linkage to move the cable to unlatch the door latch. A pivotable ratcheting pawl may be engageable with the gearwheel to allow or prevent rotation of the gearwheel. Operation of the motor may drive the gear to drive the gearwheel in a rotary direction to energize the spring, and disengagement of the pawl from the gearwheel may allow stored energy in the spring to drive the gearwheel in an opposite rotary direction to thereby drive the rack to move the cable to unlatch the door latch.

A linear recliner assembly in use with a seat having a seat back pivotally engaged relative to a seat bottom. A housing exhibits a communicating interior between a first and second ends. A drive rod is supported in linearly displaceable fashion from the first end and is secured to the seat bottom. The second end pivotally engages the seatback spaced from its pivot point. A rotatable gear located at a fixed lineal position within the housing receives the drive rod in threadably inter-engaged fashion. A trigger mechanism pivotally secured to the housing exhibits a downwardly biased detent communicating through an opening in the housing to seat between succeeding teeth of the gear. A spring supported within the housing contacts the drive rod. Upon release of the detent, a reclining force applied to the seatback results in displacement of the housing against the drive rod to bias the spring. The spring influencing the drive rod in a reverse direction such that, upon release of said detent when the seatback is in the reclined position, the spring influences the seatback to reverse pivot to a returned upright position.

A method for ascertaining a rotational speed parameter for determining a setpoint torque for driving a drivetrain. The drivetrain comprises a first and at least one second drive assembly for driving a hybrid vehicle. The first drive assembly can be coupled to the drivetrain by means of a clutch. The second drive assembly is mechanically coupled to the drivetrain. When the hybrid vehicle is being driven by means of at least the first drive assembly, the rotational speed parameter corresponds to the value of a shaft rotational speed. When the hybrid vehicle is being driven only by means of the second drive assembly, the rotational speed parameter corresponds to the value of a determined rotational speed.

A patient side-system includes a column with a rail and a counterbalance subsystem. The patient side-system may further include a braking subsystem. The counterbalance subsystem includes a spring assembly coupled at one end to the column with a spring member, and a housing movably coupled to the rail. The housing includes a drum to receive the spring member and a plurality of roller elements to guide a movement of the spring member winding or unwinding on the drum. If present, the braking subsystem includes a first pulley rotatably coupled to the column, a second pulley with a locking mechanism spaced apart from the first pulley and rotatably coupled to the column, and at least one brake cable wrapped around the first pulley and the second pulley with ends coupled to the housing. The locking mechanism can set a position of the housing along the column.

A linear recliner assembly in use with a seat having a seat back pivotally engaged relative to a seat bottom. A housing exhibits a communicating interior between a first and second ends. A drive rod is supported in linearly displaceable fashion from the first end and is secured to the seat bottom. The second end pivotally engages the seatback spaced from its pivot point. A rotatable gear located at a fixed lineal position within the housing receives the drive rod in threadably inter-engaged fashion. A trigger mechanism pivotally secured to the housing exhibits a downwardly biased detent communicating through an opening in the housing to seat between succeeding teeth of the gear. A spring supported within the housing contacts the drive rod. Upon release of the detent, a reclining force applied to the seatback results in displacement of the housing against the drive rod to bias the spring. The spring influencing the drive rod in a reverse direction such that, upon release of said detent when the seatback is in the reclined position, the spring influences the seatback to reverse pivot to a returned upright position.

The technology is directed to an energy storage and release system that stores energy and enables a repeatable and accurately timed release of energy. A shaft member supports a drive assembly, a locking assembly and a lever member there between. The lever member and locking assembly are attached to the shaft. The drive assembly rotates freely about the shaft and loads energy into a torsion spring in communication with the lever member. The torsion spring connects at one end to the drive assembly and at the other end to the lever member without contacting the shaft member. The locking assembly provides a triggered release mechanism for selective release of stored energy from the torsion spring that accordingly rotates the lever member. The system can automatically reload the torsion spring once a signal is received from any number of events including, when the rotating lever member contacts a stop member or limit sensor that signals the end of travel for the lever member in either rotational directions.

A printing device includes: a main body having an attachment surface; first and second mounting sections formed in the attachment surface respectively for detachably receiving first and second cassettes; first and second print parts; a body cover having an opposing surface; first and second pressing parts protruding from the opposing surface respectively toward the first and second mounting sections; first and second engaging parts provided at the main body; and third and fourth engaging parts provided at the body cover and engageable with the first and second engaging parts. A first center of gravity of load that the mounted first cassette applies to the first pressing part and a second center of gravity of load that the mounted second cassette applies to the second pressing part are located within a specific area on the opposing surface defined by virtual lines passing through locations on the third and fourth engaging parts.

An elastic roller includes: a roller shaft; and an elastic member. The elastic roller includes an inner layer side elastic member, and a coating layer. The inner layer side elastic member has a rubber hardness of 30 to 80 degrees that is measured by a durometer type A in accordance with the standard of JIS K 6253. The inner layer side elastic member has a tear strength of 25 N/mm or more that is measured using an unnicked angle-shaped test piece in accordance with JIS K 6252. The coating layer is made of silicone resin, and has a thickness of 10 to 100 μm. The silicone resin has hardness of 20 degrees or less that is measured using a spring-based Asker C type in accordance with SRIS 0101 standard. The inner layer side elastic member has a plurality of internal grooves along a circumferential direction. Each of the internal grooves has a width of 25 to 1,300 μm, and has a depth of 25 to 500 μm. Each of the internal grooves has a V-shaped in cross section and has a groove angle of 50 to 120 degrees.

Apparatuses and embodiments related to compensated laser cutting of labels. A computer system receives an image of a label, and rasterizes the image. The computer system determines how much of each type of printer ink of a label printer to deposit at each pixel location of the image. The computer system determines which pixels intersect a cut line, and determines the characteristics of the ink of the pixels, such as the quantity or thickness of the ink at the pixel locations. The computer system determines laser data including power, cut speed, and/or frequency of a laser that is tuned to accurately cut through the ink that forms the image, the material(s) of the label, and the adhesive that removably adheres the label to base material(s), but to not excessively damage the base material(s). A laser cutting system uses the laser data to control a laser.

An assembly of a large format media handling system, including a planar longitudinal cross structure; and a support structure, the support structure including two side supports comprising a number of fixed references and at least one adjustable reference, wherein the side supports are supported by the longitudinal cross structure at said references; wherein the at least one adjustable reference is formed by a wedge element slidably attached to the support structure; and the side supports are fixed to the planar longitudinal cross structure wherein the cross structure is in contact with all of the references.

An assembly of a large format media handling system comprises a planar cross structure, and a support structure, the support structure including two side supports, wherein the two side supports extend perpendicularly to the cross structure and are connected to the cross structure at respective side edges of the side supports. A tensioning component is associated with each of the side supports, wherein the tensioning component transmits a tensioning force between the cross structure and the side edges of the side supports in a direction parallel to the side supports.

The present disclosure is drawn to a pigment-based inkjet ink and methods. The inkjet ink includes water; from 2 wt % to 9 wt % pigment solids; from 0.05 wt % to 2 wt % of an acetylenic diol non-ionic surfactant; from 0.05 wt % to 2 wt % of a second surfactant. The second surfactant can be a polysorbate having at least 50% lipophilic oleic acid groups and having an HLB value of less than 15, or a C12-C18 polyoxyethylene glycol ether having an ethylene oxide number less than 20, or a perfluoropolyether including a polyethylene glycol primary alcohol or diol. The inkjet ink also includes from 5 wt % to 50 wt % of an organic solvent system comprising triethylene glycol and a cyclic amide.

A retractable wheel assembly includes a bracing member and a wheeled arm pivotally coupled to the bracing member. The wheeled arm is sized and positioned such that the wheeled arm rotates through an aperture of the bracing member. The wheeled arm includes an arm member, a wheel, and an aperture cover shaped and positioned such that when the wheeled arm is in a retracted mode, the aperture cover covers a majority of the aperture, but not substantially all, thereby forming a wheel gap. The wheel assembly includes a deployment arm and a trap member operationally coupled to the deployment arm, including a trap flange sized and positioned to cover the wheel gap when in a closed mode and to substantially uncover the wheel gap in an open mode. The retractable wheel assembly includes a handle operationally coupled to the trap member.

A strap handle for a piece of luggage that has been modified to have the strap handle added thereon. The strap handle includes a strap, and apparatus for having the strap handle added onto the piece of luggage. The apparatus sits within the piece of luggage. The strap engages into the apparatus.

A fast detachable side wheel device, comprising: a first wheel cover, a second wheel cover, a wheel body, and a movable component. Firstly, wheel body is fixed in first receiving groove of second wheel cover as a replaceable component. Through positioning of a dovetail groove of first wheel cover and a dovetail tenon of second wheel cover, thus vibration, collision, or detachment of wheel body due to outside force can be avoided. Then, the movable component is used to control the positioning or detaching states between first wheel cover and second wheel cover, thus achieving fast and labor saving assembly and detachment of side wheels.

An ultralight suitcase comprises a case framework, case material, pull rods, wheels and supporting legs. The case framework comprises upper connectors, lower connectors, upper corner connectors and lower corner connectors; the bottom parts of the lower corner connectors are connected with the supporting legs; the upper connectors and the lower connectors are connected through supporting connectors; the upper corner connectors and the lower corner connectors are connected through supporting connectors; the upper connectors are connected through supporting connectors; the lower connectors are connected through supporting connectors; the upper corner connectors are connected through supporting connectors; the lower corner connectors are connected through supporting connectors; the whole framework of the case is firmer through the buckling connection between the upper corner connectors and the upper connectors and between the lower corner connectors and the lower connectors, and the total weight of the suitcase remains unchanged.

In one embodiment of the present invention, an expandable suitcase comprises: a front portion; a back portion; a plurality of side panels, each side panel aligning with one of a top, a bottom, a first side, and a second side of the suitcase, and each side panel having a primary board, at least a first side board rotatably connected to the primary board about a common edge therewith, and a first side flap rotatably connected to the first side board about a common edge opposing the common edge with the primary board; and a plurality of hinges disposed at an intersection of two side panels, each hinge comprising a first hinge panel attached to one of the side panels and a second hinge panel connected to the other side panel, wherein the hinge remains in a substantially planar position in a rested state.

A case for a portable electronic device such as cell phones, cameras, MP3 players and PDAs wherein said case includes material at the corners to provide protection to the electronic device. To reduce bulk at the corners and allow the material forming the case to conform with the contours of the device, the protection at the corners includes strips of material defining apertures there between. The apertures provide reduction in bulk and allow the case to conform to the corners of the device therein. Alternately, the protection at the corners can be provided by other structures co-molded into the corners of the cases. Such structures include material that is of a reduced thickness than other material used in the case, or structures that are formed to conform to the corners of the case. Such structures can be joined to the material forming the panels of the case by co-molding.

An apparatus that includes a suitcase and integrated support arrangements that are transformable from an extended state to provide support for a person to lie down and a stored state for ease of transport.

This invention relates generally to wheeled luggage, and particularly to wheeled luggage with one or more controlled wheels for improved tracking and steering control of the luggage case when it is in motion. The invention provides a support structure for a luggage case comprising a plurality of spaced parallel wheels and at least one biasing element that is operable up to a certain torque to releasably restrain the angular movement at least one wheel to at least one angular position with respect to the base. Conveniently, the at least one angular position corresponds to a desired direction of travel.

A display stand case table provides additional utility for users attending tradeshows, conventions and similar events by providing a work table or display table usable for various purposes. In addition to including a protective housing for transporting displays stands, the case is convertible to a table configuration wherein a carried tabletop is supported by a top edge of the case along with a related hinged lid. In this way, the tabletop is of sufficient size for the display of promotional items, samples, brochures, etc. while also being sufficiently supported. In addition, a secondary lid is provided at an interim location along one side of the case body. The secondary lid can be supported in a substantially horizontal orientation, thus providing an additional supporting shelf. It is contemplated that this secondary support shelf provides a surface to hold or contain audio visual equipment, laptop computers or promotional materials.

A portable suitcase tabletop system features a suitcase with a u-shaped telescopic handle located on a suitcase top surface. The telescopic handle slides out and away from the suitcase top surface when extended. The suitcase features a plurality of wheels located on a suitcase bottom surface. The system features a planar table pivotally located on a suitcase rear surface or a suitcase front surface. A U-shaped bar is slides out from the suitcase rear surface or the suitcase front surface next to a table bottom surface. The bar supports the table. The table and the bar are located in a zippered pouch. A telescopic front support slides out from a front support cavity located in the suitcase rear surface or the suitcase front surface close to the suitcase bottom surface.

A luggage assembly includes a first piece of luggage and a second piece of luggage. An attachment member is affixed to the second piece of luggage. The attachment member couples the second piece of luggage to the first piece of luggage so that the first and second pieces of luggage are self-stabilized while upright and inclined, and while in motion and while stationary.

A suitcase comprising a body with an edge adapted to be coupled to a space of a connection means for a partition adapted to divide the internal space of the suitcase into a smaller space and a larger space, the connection comprising a raceway adapted to be slidingly coupled to a sliding element which is complementary to the raceway and fixed to a support element with which the partition is integrally associated, the connection includes an internal portion of the body made of soft material, at the extremity of which the raceway which is made of rigid material is fixed, and an external portion of the body made of soft material, the sliding element being made of rigid material fixed to the support element which is made of soft material.

A bow case that includes a body with a bottom, a top, four sides, an internal storage area, at least one removable leg that supports the body in a raised position, and a mounting bracket that removably attaches the leg to the body. Area of a rear side is greater than an area of a front side. Also, left and right sides may be inclined from a rear side to a front side. A bow case that includes a body with a top, a bottom, an internal storage area, and an internal storage cavity, where the bow case body is trapezoidally shaped. The cavity is externally accessible while the body remains closed, and any contents stored in the internal storage area are prevented from exiting the body as the body is rotated in any direction while the body is closed.

The briefcase and backpack luggage includes a housing that may carry a plurality of items. The housing comprises a case portion of the housing that may store the items. A folder portion of the housing is coupled to the case portion of the housing. The folder portion of the housing may store items. A handle is coupled to the housing. The handle may be gripped. A strap is coupled to the housing. The strap may be positionable on the user so the housing is retained on the user.

An apparatus and method for forming a self-stabilized luggage assembly is disclosed. In one embodiment the method includes coupling a first piece of luggage in contact with a second piece of luggage using an adjustable stabilizer configured to couple a handle on the first piece of luggage to a handle on the second piece of luggage while wheels on the bottom of the first and second pieces of luggage remain on the ground when the first and second pieces of luggage are tilted, upright, moving, and stationary. Other embodiments are described and claimed.

A method for ultrasonically inspecting components with wavy or uneven surfaces. A multi-element array ultrasonic transducer is operated with a substantial fluid layer, such as water, between the array transducer and the component surface. This fluid layer may be maintained by immersing the component in liquid or by using a captive couplant column between the probe and the component surface. The component is scanned, measuring the two dimensional surface profile using either a mechanical stylus, laser, or ultrasonic technique. Once an accurate surface profile of the component's surface has been obtained, data processing parameters are calculated for processing the ultrasonic signals reflected from the interior of the component that eliminate beam distortion effects and reflector mis-location that would otherwise occur due to the uneven surfaces.

A system is provided for inspecting a workpiece that includes a workpiece defect and a workpiece surface. The system includes a laser pointer connected to an ultrasonic inspection system. The ultrasonic inspection system includes an ultrasonic transducer that directs sound waves to the workpiece defect, where the sound waves contact the workpiece surface at a workpiece surface location. The laser pointer directs a laser beam against the workpiece surface to visually annunciate the workpiece surface location.

The present invention employs a photoacoustic measuring apparatus including: a laser light source; a forming unit for forming a second light beam by dividing or deforming a laser light beam; an optical member for guiding the second light beam to the surface of a subject; a probe for obtaining a photoacoustic wave generated when the subject is irradiated with the second light beam; and a buffering member that contacts the surface of the subject and transmits light, wherein the optical member overlaps areas of the second light beam having a small light intensity on the surface of the subject, the probe and the optical member are positioned on an identical side of the buffering member relative to the subject, and the optical member refracts the second light beam such that the second light beam enters the subject through the buffering member while avoiding the probe.

Wireless strain and displacement sensors wirelessly monitor structural health and integrity, and are made by printing inductor-interdigital capacitor sensing circuits on a variety of substrates, including ceramic substrates, with thermally processable conductive inks. Sensors of the invention can be employed to detect strain and displacement of civil structures, such as bridges and buildings. The sensors include sensing elements that are mounted or printed on stiff, inflexible substrates, which prevent the sensing elements from bending, stretching, or otherwise warping when the sensor is strained. An interlayer between the sensing elements allows the sensing elements to move with respect to each other during application of strain. Thus, strain causes the sensing elements to move but not to deform, causing changes in sensor resonance that can be detected through wireless radio-frequency interrogation. Because the sensing elements do not change shape when under strain, the sensor can undergo millions of measurement cycles before breaking.

A force/moment sensor for measurement of three orthogonal forces and three orthogonal moments, comprises an inner holding element which is surrounded by an outer holding element. The two holding elements are connected to each other by deformation elements. For each deformation element, at least one deformation transducer is provided. The force/moment sensor is preferably monolithic, and the deformation transducers, formed as strain gauges, are preferably arranged in one plane or in two preferably parallel planes.

A device and method for measuring the clamping force a machine tool exerts on a tool holder that includes a piston or cylinder body defining a bore that slidably receives a piston. A fluid filled pressure chamber is defined between the piston and the body and a pressure gauge carried by the piston communicates with the pressure chamber such that movement in the piston in at least one direction exerts compressive forces on the fluid in the pressure chamber which is communicated to the pressure gauge. A retention knob is coupled to the piston and is engageable by the machine tool such that the clamping force exerted by the machine tool is transmitted to the piston. Hex-shaped structure on the piston that is received by a complementally formed recess in the cylinder body inhibits relative rotation between the piston and the body and facilitates installation and removal of the retention knob. A pin forming part of the piston is engageable by a pin receiving recess in the piston body and ensures a predetermined orientation between a shank portion and the piston body, during assembly.

A support structure for a load measurement sensor has sufficient durability without adding a large load to a portion transmitting a load to the load measurement sensor. In a support structure for a load measurement sensor, including a sensor body detecting a load generated from a seat having a seat frame and an extension shaft portion extending from the sensor body, by way of attachment brackets in the state where the extension shaft portion follows the horizontal direction, the support structure includes a load input portion which comes into contact with the sensor body and inputs a load to the sensor body, the sensor body includes a load receiving surface which contacts the load input portion and receives the load, and the load input portion is formed to be movable in the axial direction of the extension shaft portion with respect to the load receiving surface.

The invention relates to a temperature sensor comprising: a temperature-sensitive element (3); and a peripheral casing (7) accommodating the temperature-sensitive element (3) and having a closed end (9), the peripheral casing (7) being able to be inserted into a corresponding cavity (11), characterized in that the closed end (9) of the peripheral casing (7) has a peripheral portion (21) revealing, butted against the closed end, a flexible assembly stop (23) after said peripheral portion (21), said stop (23) being able to deform towards the peripheral portion (21) by shape cooperation with the bottom (15) of the corresponding cavity (11). The subject of the invention is also a process for manufacturing a temperature sensor as described above and a method of assembling said sensor.

A method of calculating a 3-D geologic model in real time using, as input, 2-D geologic data. The 3-D is used for conducting further drilling operations. The model may be updated in real time using additional measurements obtained during drilling operations.

A modular system and method for testing and measuring various physical and chemical properties of substances includes a user interface unit having a micro controller, a power source, a display, and an input device; and a sensing module having a sensor probe, a signal conditioner, and a sensor controller. The user interface unit and the sensing modules are in electrical communication with one another such that sensor data generated by the one or more sensor probes, corresponding to one or more properties of the substances, is transmitted to the micro controller of the user interface unit. The user interface unit can be used to remotely view, test, record, and analyze data obtained by the sensing module, which module may be located at a remote location. The user interface unit and the sensing module may be in wired or wireless communication according to various known wired and wireless connection means.

An ultrasonic sensor includes: a substrate; an ultrasonic transducer disposed on the substrate, and configured and arranged to transmit ultrasonic waves that propagate as plane waves in a direction orthogonal to a surface of the substrate; an acoustic refracting part contacting the ultrasonic transducer, and configured and arranged to refract the ultrasonic waves transmitted from the ultrasonic transducer; an elastically deformable elastic portion contacting the acoustic refracting part; and an ultrasonic reflecting member disposed within the elastic portion, and configured and arranged to reflect the ultrasonic waves. The acoustic refracting part is configured and arranged to refract, toward the ultrasonic reflecting member, the ultrasonic waves transmitted from the ultrasonic transducer.

A method for ultrasonically inspecting components with wavy or uneven surfaces. A multi-element array ultrasonic transducer is operated with a substantial fluid layer, such as water, between the array transducer and the component surface. This fluid layer may be maintained by immersing the component in liquid or by using a captive couplant column between the probe and the component surface. The component is scanned, measuring the two dimensional surface profile using either a mechanical stylus, laser, or ultrasonic technique. Once an accurate surface profile of the component's surface has been obtained, data processing parameters are calculated for processing the ultrasonic signals reflected from the interior of the component that eliminate beam distortion effects and reflector mis-location that would otherwise occur due to the uneven surfaces.

A watercraft body includes a hull made of an aluminum-based material and a separately fabricated superstructure that is mounted on the hull via adjoining flange plates. To fabricate the hull, frame elements are spot-welded onto the inner surface of initially-flat hull plates or plank elements, which are then curved according to the required hull contour and assembled onto the flange plate. The frame elements are screwed together via gusset plates and transverse beams to form transverse frames, and then longitudinal seams between plank elements are continuously welded from the outside. Additionally, the longitudinal seams may be welded from the inside, for example by temporarily removing gusset plates to allow continuous access to the longitudinal seams. Additionally, stand-offs may form a spacing gap between the frame elements and the plank elements, and an adhesive may fill this spacing gap to adhesively bond the framework to the hull plating.

A mooring system, and connector assembly, which in a preferred embodiment is a vessel mooring and fluid transfer system. The connector assembly has a first portion (2A) configured to be coupled to one or more mooring lines (1), and a second portion (2B) configured to be coupled to a vessel. The first and second portions are rotatable with respect to one another to permit a vessel coupling on the second portion to swivel about the mooring coupling on the first portion. In a preferred embodiment, the connector assembly comprises a guide (2E) for a conduit, which may be a fluid transfer conduit such as flexible riser (6). The invention also provides methods of use of the mooring systems described.

A method and device to permit a water vessel to releasably capture a line in a towing station, remote from a parent ship. The towing station may be attached to the parent ship via a tow line. The line capturing device is an actuated catch that includes a hook assembly that is moveable between a release mode and a retrieval and holding mode. The actuated catch also includes a spring biased retaining catch that prevents a captured line from being inadvertently released.

Marine or underwater vehicle designed to be secured to a recovery cable includes contactless elements (6) for detecting the recovery cable (2), the element being capable of guiding the vehicle (1) towards the cable (2) and elements (7) situated at one end (3b) of the vehicle (1) for coupling the cable (2).

The present invention discloses an inside mobile ballast arrangement for sailboats, said arrangement using a dense material and being preferably in a watertight/gas-tight compartment, the whole system on low friction bearings and being close to the bottom of the hull, this arrangement being able to move longitudinally from front to rear and vice versa, along the X axis, independently or simultaneously with a perpendicular displacement, i.e. from port to starboard and vice versa, along the Y axis.

A concealable fender assembly comprising a fender; a cover having an external surface form compatible with the lateral surface form of the boat hull in closed position; mechanism for actuating the cover for closing and opening thereof with respect to the boat hull lateral surface; wherein the cover is associated with the fender such that when the cover is in open position, the fender outwardly extends from boat hull lateral surface.

A hull robot is disclosed for operation on a surface of a hull of a vessel. The robot can include a drive subsystem onboard the robot for driving and maneuvering the robot about the hull. A sensor subsystem onboard the robot can sense an attachment state of the robot to the hull. The attachment state can include at least one of attached and detached. A signal generation subsystem onboard the robot can emit a distress signal when the attachment state is detached.

The disclosed watercraft hull has a flat pad keel whose width tapers towards the bow and its width at the transom is 15% to 25% of the hull's width at its chines. The hull is symmetric about its centerline, has a fine entry bow, a transom, and a pair of hard chines. Between the pad keel and the chines the hull has at least one pair of generally flat panels referred to herein as longitudinal steps having approximately 0 degrees of deadrize forming planing surfaces symmetrically located about the hull centerline. The hull also includes at least one pair of ultra high deadrize panels, outboard of and adjacent to the pad keel, located symmetrically about the hull centerline, and extending therefrom to the flat planing panels above them. The ultra high deadrize panels have a minimum average deadrize of approximately 50 degrees measured along their length. Additional flat planing surface structures having approximately 0° deadrize may be installed longitudinally on the hull between the pad keel and the hard chine such that the vertical offset between any two planing surfaces along the hull's stagnation line does not exceed approximately six inches. High deadrize panels or fillet panels with deadrize angles of between about 0.20 and 35 degrees may be included in the hull outboard of and adjacent to the ultra high deadrize panels and located symmetrically about the hull centerline. The fillet panels are tapered into wedge shapes at their forward ends to blend into the adjacent ultra high deadrize and flat planing panels.