Abstract: A torque limiter includes a first meshing portion provided at a surface of an input shaft which transmits a drive force of a drive motor, the surface intersecting with an axial direction of the input shaft, and a disc spring portion including a second meshing portion arranged facing the first meshing portion in the axial direction and which is configured to mesh with the first meshing portion. The disc spring portion is integrally rotatable with an output shaft which is provided coaxially with the input shaft and which is rotatable relative to the input shaft, and is deflected to displace the second meshing portion in a direction opposite to the first meshing portion in a case where a load equal to or greater than a set value is applied to the disc spring portion while the second meshing portion is being biased towards the first meshing portion.

Abstract: Disposable torque-limiting devices having an upper shank component with a torque-limiting interface, a lower shank component with a torque-limiting interface, and a spring element. Torque-limiting interfaces having a plurality of undulations arranged around an axial bore or drive socket and separated by a plurality of transition regions, with each undulation having an upslope, a peak, and a downslope. The torque-limiting interfaces are configured to engage and disengage to provide torque transmission with predetermined torque limits at various rotational speeds and for amounts of actuations while remaining within a specified operational range. The encasement provides mounts for a tool and for a drive shaft which may be connected to a powered device.

Abstract: A drive shaft coupling is provided, such as a coupling used with a formula delivery appliance. The drive shaft coupling generally includes a drive gear and a driven gear, with one of the drive gear and driven gear having a biasing member to allow axial translation. The drive shaft coupling is generally configured to transfer rotation from the drive gear to the driven gear. In one aspect, the drive shaft coupling is capable of alignment and coupling of the drive gear and driven gear upon the radial sliding of the coupling from a non-engagement position to an engagement position.

Abstract: Disposable torque-limiting mechanisms with an upper shank component with a torque-limiting interface, a lower shank component with a torque-limiting interface, and a rubbery spring material biasing element. Torque-limiting interfaces having a plurality of undulations arranged around an axial bore or drive socket and separated by a plurality of transition regions, with each undulation having an upslope, a peak, and a downslope. The torque-limiting interfaces are configured to engage and disengage to provide torque transmission with predetermined torque limits at various rotational speeds and for amounts of actuations while remaining within a specified operational range.

Abstract: A hand-held power tool has a torque-limiting unit with which a maximum torque transferred from a motor output shaft to a tool driver is adjustable by an operator. The torque-limiting unit has a spring system with spring elements having substantially similar characteristics (such as length, compression forces, etc.) and yet generating different spring forces.

Abstract: An apparatus for transfer of a torque from an internal combustion engine to an auxiliary unit has an auxiliary unit shaft and a pulley rotatably disposed on the auxiliary unit housing. The pulley and the auxiliary unit shaft are connected with one another by an overload protection device configured to interrupt the connection between the pulley and the auxiliary unit shaft if a predetermined torque is exceeded. The overload protection device has a spring washer having multiple spring arms connected, on the end side, with connection elements of a disk-shaped driver until the predetermined torque is reached. Each connection element is configured as a pocket-shaped mounting in the driver, wherein the respective spring arm end lies against a contact surface of the pocket-shaped mounting under spring tension, with force fit. The respective pocket-shaped mounting is configured as a hook-shaped crosspiece cut out of the driver in certain regions.

Abstract: A cam-type damper 118 includes a drive cam 131 provided on a clutch shaft 114 without capability of relative rotation and a driven cam 132 provided on a main shaft 103 without capability of relative rotation. The clutch shaft 114 contains a shaft end of the main shaft 103 and the main shaft 103 is rotatably supported on the inner circumferential surface of the clutch shaft 114. The driven cam 132 provided on the main shaft 103 is disposed between a front end surface 114g of the clutch shaft 114 and a rear end surface 103h of a main shaft gear 103d provided on the main shaft 103 and the movement of the driven cam 132 in the axial direction is restricted.

Abstract: A clutch assembly for a toy includes a clutch disc member and an inserting member. The clutch disc member includes a central opening and a plurality of seats distributed in a circular pattern. The inserting member includes a plurality of wedges distributed in a circular pattern. The seats and the wedges are designed to (A) engage the wedges in the seats when a force exerted between a driving element operably connected to the clutch disc member and a driven element operably connected to the inserting member is less than a predetermined force level, and (B) automatically disengage the wedges from the seats when the force exerted exceeds the predetermined force level, and (C) re-engage again when the excessive force is released so as to fall below the predetermined force level after slippage of the wedges out of the seats.

Abstract: A torque limiting tool comprises a two stage torque limiting mechanism that resides within a housing. The torque limiting mechanism comprises a shank positioned through a gear, a plate, and a bias member. The plate is constructed having at least one post and at least one tooth providing a ramp surface that extends outwardly from a plate surface. The gear is constructed having at least one recess providing at least one inclined surface that resides part-way within the thickness of the gear. The gear and plate are positioned in opposition so that the at least one tooth and extending post are received within or detachably mated to the opposing recess and through-bore. Torque is transferred therebetween the plate and gear when the ramped teeth and extending posts mate with the respective recess and through-bore. A first torque limit is exceeded when the post breaks free from the through-bore. A second, lesser torque limit is exceeded when the ramped teeth release from their mated recess.

Abstract: An oil filter socket having a torque limited maximum is provided. Namely, a torque limiting mechanism is provided interior a bore defined by a nut adapted to receive a conventional ratchet. The torque limiting mechanism includes a cam having bearing race notches formed circumferentially there-around. A plurality of ball bearings rest inside the notches until the rotational torque force applied to the socket from the ratchet overcomes the spring force acting opposite the cam.

Abstract: A clutch to be combined with a rotary machine rotating about an axis is comprised of a rotary member including a first face perpendicular to the axis, a first bottom receding in an axial direction from the first face, and plural first clutch teeth being arranged in a circumferential direction and respectively projecting from both the first face and the first bottom; and a clutch member movable in the axial direction relative to the rotary member, the clutch member including a second bottom, plural second clutch teeth being arranged in a circumferential direction and respectively projecting from the second bottom to be respectively engageable with the plural first clutch teeth, and an internal peripheral wall connecting internal ends of the plural second clutch teeth and projecting in the axial direction toward the rotary member.

Abstract: A hand-held power tool has a torque-limiting unit with which a maximum torque transferred from a motor output shaft to a tool driver is adjustable by an operator. The torque-limiting unit has a spring system with spring elements having substantially similar characteristics (such as length, compression forces, etc.) and yet generating different spring forces.

Abstract: An apparatus that may be used to facilitate securing or mounting of an assembly. The device may be constructed of a shaft and a torque managing device, where the shaft has two ends, the first end having an engagement portion. The torque managing device is coupled to the second end of the shaft having a portion of the torque managing device enabled to rotate independently from the shaft when a predetermined force used on the torque managing device has been met.

Abstract: A knob sub assembly for adjusting bar clamp tension holding a chainsaw bar of a chainsaw to a chainsaw body of the chainsaw may include a cap, a nut and a feedback assembly. The nut may be threaded to facilitate engagement with a fixing post of the chainsaw body responsive to a transfer of torque from the cap to the nut when the cap is rotated by an operator. The feedback assembly may be disposed substantially between the cap and the nut to at least selectively transfer torque from the cap to the nut. The feedback assembly may provide feedback to the operator when a predetermined threshold of applied torque is reached.

Abstract: A slip clutch, including: a flywheel; and a vibration damper including: first and second cover plates; a flange; and at least one spring engaged with the cover plates and flange. The clutch includes a slip assembly, with a first plurality of circumferentially aligned surfaces: fixedly connected to the flywheel or formed with the flywheel; and at an acute angle with respective to a circumferential line, and a second plurality of circumferentially aligned surfaces: formed by a portion of the first cover plate radially outward of the spring; at an acute angle with respective to a circumferential line; and in contact with the first plurality of surfaces, or engaged with the first plurality of surfaces via an intermediate element in contact with the first and second pluralities of surfaces. The slip assembly includes a resilient element applying a force to the first cover plate in an axial direction toward the flywheel.

Abstract: A method includes a rotary torque limiting assembly including a rotary input member having an internal cavity having sprag receptacles. A rotary output member is disposed within the internal cavity, the secondary rotary member having radial protrusions and recesses. Radial ratchet members are disposed radially between the input member and the output member, each ratchet member having a radially inner surface, and a radially outward surface that includes at least one radially protruding sprag. Bearings are disposed radially between the ratchet members and the output member. A retaining assembly is adapted to provide a compliant force to maintain contact among the ratchet members, bearings, and second rotary member. Each bearing is partly retained between one of the ratchet members and the second rotary member, and each sprag is partly retained within a corresponding sprag receptacle.

Abstract: A steering gear clutch includes a housing and an input shaft rotatably supported by the housing. An output shaft operatively connected with a steering gear is rotatably supported by the housing. The output shaft is rotatable relative to the input shaft. The input shaft rotates together with the output shaft relative to the housing when a torque below a predetermined value is applied to the input shaft. The input shaft rotates relative to the output shaft and the housing when a torque above the predetermined value is applied to the input shaft. The input shaft may rotate relative to a shaft portion of the output shaft and the housing through a predetermined angle. The input shaft and the shaft portion may rotate together relative to the housing when the input shaft has rotated through the predetermined angle.

Abstract: To prevent components from being damaged, a power transmission device has a torque limiting function to suppress increase in cut-off torque. In the power transmission device, a clamped portion 32c is press-clamped between a flange portion 22 of a hub 20 and each pressing portion 40b of a pressing member 40 fastened to the hub with a rivet 41, and when a torque greater than that predetermined is produced between a pulley 10 and the hub, the clamped portion gets out of the position between each pressing portion and the flange portion, to cut off the power transmission. In such device, the fastening point of the rivet is arranged on a line connecting a rotation center of the shaft and a protrusion 32d, to increase a spring constant of the pressing member, so as to set a friction torque of the clamped portion as a greater value.

Abstract: The present invention provides a compensator assembly for use in a motorcycle. The compensator assembly includes an input member, and an output member driven by the input member through a torque-buffering interface. The compensator assembly also includes one or more lubrication passageways formed therein extending between a distal end and one or more interfaces to provide lubricant thereto.

Abstract: Described herein is a torque-limiting coupling provided for connecting coaxial, first and second rotating shafts. The coupling includes a first connecting part on an end of the first shaft and a second connecting part on an end of the second shaft. An interconnector joins to the first connecting part at a first engagement formation, and joins to the second connecting part at a second engagement formation. The first engagement formation threadingly joins the interconnector to the first connecting part. The second engagement formation can resist rotational movement of the interconnector relative to the second connecting part but allows movement of the interconnector in the axial direction of the shafts. When a torque transmitted by the shafts exceeds a predetermined value, the interconnector rotates relative to the first connecting part at the threaded engagement formation.

Abstract: An overload protection transmission device includes a transmission shaft having a mounting element provided at an end thereof, a disc-shaped fixing part rotatably fixed to the transmission shaft via the mounting element, an annular transmission gear, and a locking disc rotatably fixed to the transmission shaft and configured to rotatably couple the transmission shaft with the transmission gear. The transmission gear has an accommodating part and a friction part provided along an inner circumferential surface thereof. The accommodating part is configured to engage the fixing part when the fixing part is inserted into a central opening of the annular transmission gear. The locking disc includes an outer circumferential surface configured to engage the friction part of the transmission gear for transmitting a frictional torque between the locking disc and the transmission gear.

Abstract: A load limiter for a controllable air inlet of a motor vehicle and which includes a drive-side driver coupled to an engine of the motor vehicle, an output-side driver configured to relay torque from the engine to closing elements of the controllable air inlet, the output-side drive having contours configured to engage corresponding contours of the drive-side driver, the drive-side driver and the output-side driver being configured for positive interlocking contact with each other and also for axial movement relative to one another in order to disengage the positive interlock; and a bias mechanism configured to pivot the output-side driver when in the disengaged state relative to the drive-side driver.

Abstract: A torque-limiting device assembly is provided that includes a bell having a top wall and a circumferential side wall defining a bell interior. A plurality of radially-arrayed engagement grooves are formed on an inner surface of the top wall. A clutch stub shaft having a stem and a plurality of engagement protrusions formed on a clutch flange is disposed within the bell interior. A resilient member is secured to the bell, and the resilient member biases the clutch stub shaft towards the top wall of the bell such that the engagement grooves frictionally engage the engagement protrusions to transfer torque from the stem to the bell when the stem is rotated. An input torque applied to the stem that is greater than a predetermined input torque causes the engagement protrusions to disengage from the engagement grooves such that the input torque is not transferred from the stem to the bell.

Abstract: Disclosed is a compliant joint achieving passive compliance. The compliant joint includes a housing and a rotating member mutually rotatably provided; and a cam provided between the housing and the rotating member, and connected to the housing and the rotating member respectively. The cam is connected to the rotating member to rotate together with the rotation of the rotating member, or be independent of the rotating member so as to move in the axial direction of the rotating member separately from the rotating member. The cam is connected to the housing such that the cam can maintain the connection with the housing when external force below a designated value is applied to the rotating member, and release the connection with the housing in the case that external force more than the designated value is applied to the rotating member.

Abstract: An overload protection device for protecting a motor from overload is disclosed. The overload protection device includes a shaft and a load carrying member driven by the driving portion of the shaft. The shaft includes a shaft body and a driving portion on an end of the shaft body. The load carrying member includes at least one magnetic member corresponding to the driving portion. Each of the at least one magnetic member includes a first magnetic member fixed on the load carrying member and a second magnetic member rotatably fixed on the load carrying member. The first magnetic member is located between the second magnetic member and the driving portion of the shaft and the same poles of the first and second magnetic member are opposite to each other. The driving portion is engaged with the first magnetic member and impels the first magnetic member to rotate the load carrying member under the rated load of the motor.

Abstract: In a power transmission apparatus, a driving rotary body is rotated by power from a driving device. A driven rotary body includes a driven rotary member attached to a rotating shaft of a driven device and a holding plate attached to the driven rotary member. A damper mechanism includes a cylindrical elastic member attached to the driving rotary body and a connecting member which is engaged in the elastic member to be movable forward/backward. At least one rotation transmission member is attached to the connecting member, has one end connected to the driving rotary body through the damper mechanism and the other end separably connected to the driven rotary body, and transmits rotation of the driving rotary body to the driven rotary body. A preset load setting member is mounted between the driven rotary body and the connecting member to elastically deform the rotation transmission member, thus applying a preset load.

Abstract: [Object of the Invention] An object of the present invention is to provide a power transmission device, wherein the vibration in the direction along the longitudinal axis of the rotating shaft 102 of the driven side piece of equipment transmitted from the external power source to the driving side rotating member 3 is not easily transmitted to the driven side rotating member 4. [Disclosure of the Invention] A power transmission device 1 comprises a driving side rotating member 3 driven by an external power source, a driven side rotating member 4 fixed to a rotating shaft 102 of a driven side piece of equipment 100, and a resiliently deformed plate spring 51 fixed to the driving side rotating member 3 at one end and detachably clamped by the driven side rotating member 4 and a clamping member 53 fixed to the driven side rotating member 4 at the other end. The plate spring is made of damping alloy.

Abstract: A torque limiting coupling (5) in a drive line for driving agricultural implements has a coupling hub (7) and a coupling sleeve (8) that rotatably arranged around the coupling hub (7). The coupling hub (7) and the coupling sleeve (8) are rotatable around a rotational axis D. Drivers (12) are displaceable in the coupling hub (7), respectively, along a driver axis M that is transverse to the rotational axis D. The drivers 12 move between a torque transmitting position and a switched-off position. Recesses (14) are formed in an inner circumferential face (9) of the coupling sleeve (8). The drivers (12) engage the recesses 14 in their torque transmitting position. A setting mechanism (23) acts upon the drivers (12) with a force to urge the drivers 12 to take up their torque transmitting position. The drivers (12) have, respectively, two ratchet faces (19, 21). The recesses (14) have, respectively, two counter ratchet faces (20, 22).

Abstract: A torque limiting includes first and second rotational plates, first and second springs, and a slip device. The first rotational plate is coupled to a torque input device. The second rotational plate is coupled to a drive shaft, and is configured to be movable along an axial direction thereof. The first spring has a first free length, and exerts a first spring force against the second rotational plate toward the first rotational plate. The second spring has a second free length, smaller than the first free length, and selectively exerts a second spring force against the second rotational plate toward the first rotational plate. The slip device, disposed at least partially within or between the first and second rotational plates, causes relative motion between the first and second rotational plates when torque overcomes the combined first and second spring forces exerted against the second rotational plate.

Abstract: A power transfer unit is provided with a torque limiting assembly that limits the torque transferred to driveline components when torque peaks occur. The power transfer unit can include, a first shaft, a second output shaft receiving drive torque, a second output shaft, and a torque transfer mechanism. The torque transfer mechanism includes a coupling member and a biasing member. The coupling member is located between a driving member and a driven member and provides selective engagement therebetween when in an engaged position. The driving member and/or the driven member includes a recess therein receiving a portion of the coupling member when in the engaged position. The biasing member urges the coupling member and the driving member and/or driven member into the engaged position.

Abstract: Inner circumference projections of a driven coupling are engaged with inner circumference recesses of a drive coupling. Outer circumference projections of the driven coupling are engaged with outer circumference recesses of the drive coupling. A chamfered portion formed at each tip of the rotational leading-side side surface of the inner circumference projections is capable of contact with the leading-side side surface of each inner circumference recess. A rotational trailing-side circumferential end face of each outer circumference projection and a rotational trailing-side circumferential end face of each outer circumference recess are in surface-to-surface contact with each other. As a result, the drive coupling and the driven coupling can rotate integrally without rattling in the rotational direction.

Abstract: Disclosed is a compliant joint achieving passive compliance. The compliant joint includes a housing and a rotating member mutually rotatably provided; and a cam provided between the housing and the rotating member, and connected to the housing and the rotating member respectively. The cam is connected to the rotating member to rotate together with the rotation of the rotating member, or be independent of the rotating member so as to move in the axial direction of the rotating member separately from the rotating member. The cam is connected to the housing such that the cam can maintain the connection with the housing when external force below a designated value is applied to the rotating member, and release the connection with the housing in the case that external force more than the designated value is applied to the rotating member.

Abstract: A hand-held power tool has a motor output shaft, a tool driver, and a torque-limiting unit with which a maximum torque transferred from the motor output shaft to the tool driver is adjustable by an operator, the torque-limiting unit including a spring system, the spring system including differently-acting spring elements.

Abstract: A torque limiting clutch includes a drive shaft having central rotational axis and a groove, a spring member secured to the drive shaft for rotation with the drive shaft about the central rotational axis, a plate adjacent the spring member and rotatable about the drive shaft, and a retaining clip located within the groove of the drive shaft and engaging the plate to retain the plate on the drive shaft. The plate has a pocket forming an axial-facing first abutment engaging the retaining clip and a radial-facing second abutment located outward of the retaining clip to prevent release of the retaining clip from the groove.

Abstract: A radial detent torque overload clutch has a retaining ring inside the outer housing to retain the hub in the housing and a thrust bearing between the ring and pawls to bear thrust loads that tend to pull the hub out of the housing. The pawls exert driving torque in only one direction so that the hub can be turned manually relative to the housing in the opposite direction by the pawls camming on gently sloped surfaces of the housing.

Abstract: A bearing includes an inner race member having an end surface. An outer race member is disposed about the inner race member. The outer race member has an internal shoulder for engaging the end surface of the inner race member. The inner and outer race members are configured to define a raceway between them and to define a snap ring seat between them. There are cylindrical rollers in the raceway and a snap ring in the snap ring seat. The bearing may be provided as a follower head on a cam follower or may be eccentrically mounted on a drive shaft to serve as a cam. A cargo dolly may include such a cam near a wheel, to help the wheel overcome an obstacle. A bearing can be assembled by inserting the inner race member into the outer race member, disposing cylindrical rollers in the raceway and disposing a snap ring in the snap ring seat.

Abstract: A clutch assembly for limiting a torque output of the power tool. The clutch assembly includes an annular rotatable clutch member, which is coupled to the ring gear of a planetary gearset in a transmission, and an engagement assembly. The clutch member has a clutch face with a predetermined clutch profile. The engagement assembly has at least one follower member that abuts the clutch member and cooperates with the clutch profile to inhibit rotation of the clutch member relative to the follower member only when the magnitude of the torque output of the power tool is less than a predetermined maximum torque. The clutch face on the clutch member is located between the opposite axially ends of the ring gear.

Abstract: A mounting structure for a cam-type torque damper is provided to ease the assembling thereof, improve the maintenance properties thereof and prevent the variation in thrust direction restricting position due to loosening or the like. A collar is spline connected to an axial end of a crankshaft, and a primary gear, a lifter, a spring and a spring holder are fitted on the collar in that order. A cotter is fitted in a groove in the collar so as to restrict the spring holder with respect to the thrust direction position to thereby assemble the cam-type torque damper into a small assembly. The cam-type torque damper so made to be a small assembly is then fastened to the axial end of the crankshaft with a bolt. A concave cam is formed in a side of the primary gear, and a convex cam provided in an axial end portion of the lifter is brought into mesh engagement with the concave cam.

Abstract: A clutch arrangement for a power tool having a multi-speed transmission. The clutch arrangement includes a clutch member and a follower member. The clutch member is coupled to a member of the transmission that is proximate the torsional input of the transmission and which must be in a non-rotating position to permit the transmission to perform a torque multiplication operation. The follower member is biased into engagement with the clutch member to inhibit relative rotation therebetween. As the clutch member and the transmission member are coupled to one another, the transmission is able to perform a torque multiplication operation. When, however, the torsion that is exerted onto the clutch member is sufficient to overcome the frictional engagement between the follower and clutch members, the clutch member, and the transmission member, rotate, thereby inhibiting the capability of the transmission to continue to perform the torque multiplication operation.

Abstract: A torque limiting coupling defines a longitudinal axis (17) and has a coupling hub (8) with circumferentially distributed through holes. Transfer elements are adjustably held in the holes. A coupling sleeve (6) has first recesses corresponding to the through holes. A switching disk (9) is arranged relative to the coupling hub (8) between a torque transmitting position and a freewheeling position. The switching disk (9) is urged towards the torque transmitting position. This urges the transfer elements in the direction towards the coupling hub (8). The transfer elements engage, for torque transmission, in recesses of the coupling sleeve (6). Coupling sleeve (6), when a predetermined nominal torque is exceeded, is transferable from the torque transmitting position to the freewheeling position. Second recesses, corresponding to the through holes, receive the transfer elements in the freewheeling position.

Abstract: An overload protection device for a manual hoist lever including a pressure hub, an outer hub, a brake nut, and a dowel pin. The pressure hub includes a radially extending flange and a cantilevered boss having a threaded outer surface with an axial groove. The outer hub includes a central opening, a tapered inner surface, and a flange contact surface which frictionally contacts the radially extending flange of the pressure hub. The brake nut is disposed in the central opening of the outer hub between the outer hub and the boss of the pressure hub, and includes a frusto-conical outer surface that frictionally contacts the tapered inner surface of the outer hub, as well as a threaded inner opening with a corresponding axial groove, the threaded inner opening being sized to threadingly engage the boss. The dowel pin is received within a receiving hole formed upon alignment of the axial groove of the boss and the corresponding axial groove of the brake nut.

Abstract: A torsional vibration damper with a driving-side transmission element and a driven-side transmission element which is rotatable relative to the driving-side transmission element and which is connected with the driving-side transmission element by a damping device. A gearset having at least a driving-side gearset element and a driven-side gearset element is associated with the damping device, wherein introduced torsional vibrations can be transmitted to the damping device with gear shifting by means of the gearset. The gearset is provided with a shift mechanism for separating the driving-side gearset element and the driven-side gearset element.

Abstract: The object is to provide a chain hoist with an overload prevent device, ensuring an easy and secure adjustment of load limit numerical values. It comprises a pressing drive member 8 for pressing and rotating a pressure receive member 7 by way of a backstop wheel 11 and friction members 9 and 10, and an axially displaceable, rotary drive member 14 adapted to transmit a rotational force of a hand chain wheel 15 to the pressing drive member. The rotary drive member is urged toward the pressing drive member by a belleville spring 24. The pressing drive member and the rotary drive member have lock teeth 80 and 140 that are formed on their respective confronting faces. The lock teeth 80 and 140 include steeply sloped wind-down press faces 80a and 140a, respectively, and gently sloped wind-up press faces 80b and 140b, respectively.

Abstract: The substantially radial glide seats (18) for the sliders (20) in the inner member (3) are disposed at mutually different angles (&agr;, &bgr;, &ggr;), and the recesses (5) are correspondingly provided in the outer member (1); to stress the sliders (20) in the centrifugal direction, two symmetrical discoidal elements (14) are provided on whose facing surfaces shaped portions (14B, 14E) are tangentially machined which are able to cooperate with corresponding inner profiles (20B) of sliders (20), while springs (11) stress the two discoidal elements (14) toward one another; the discoidal elements (14) are elastically brought into contact with one another only when the two members (1, 3) of the joint are located in the unique reciprocal angular position in which one respective single recess (5) corresponds to each slider (20).

Abstract: A right angle indexer includes an internal torque limiter. The indexer includes an input shaft with a cam, and an output shaft. The cam on the input shaft rotates a hub on the output shaft. The hub is rotatable relative to the output shaft. The output shaft has a driven surface, and the hub has a drive surface. The drive surface includes a plurality of detents which are irregularly spaced about the drive surface. A plurality of rollers are spaced irregularly about the driven surface. The driven plate is biased into contact with the drive plate, and the rollers are received in the drive plate detents. As long as the rollers are engaged in the drive plate detents, rotation of the hub by the cam will cause the driven plate, and hence the output shaft, to rotate. However, if a predetermined torque load is exceeded, the driven plate will become disengaged from the drive plate, and continued rotation of the hub will not cause rotation of the driven plate or the output shaft.

Abstract: A parallel indexer having a housing, an input shaft rotatably mounted in said housing, an output shaft rotatably mounted in said housing and extending exteriorly thereof, said input shaft and output shaft being arranged parallel to each other, said output shaft having a driven surface which mounts the plurality of roller gear drives thereon, and which are driven by at least one cam mounted upon the input shaft, said driven surface being normally fixed to the output shaft, and having a torque limiter arranged intermediate thereof and which when excessive torque is encountered, provides for disengagement between the driven surface and the output shaft, to disconnect the output for the parallel indexer.

Abstract: This invention provides a safety mechanism for a winch assembly when storing a load, such as a tire under a vehicle or a boat on a trailer, in a raised or stored position. The invention finds particular application to a spare tire, but those skilled in the art will appreciate the broader benefits of such a structure when used with a winch assembly for other uses such as a boat winch for a trailer or any analogous use wherein it is desirable to secure a load in the raised or stored position. A unique actuator is described with an improvement of the invention, which includes a control path therewith to control a rod end and thereby actuates in a preferred embodiment a latch by converting rotary motion to linear motion.

Abstract: A switchable claw coupling has two rotatably arranged coupling parts (2, 3). One of said coupling parts (3) is axially movable. To reduce the loads on the claws (20, 21) during the coupling operation, the coupling part 3 has a cam (22). The cam (22) at its end face is able to slide on a supporting face 28 of the other coupling part (2). A recess (23), in the supporting face (28), is engaged by the cam (22) to enable engagement within only a limited range.

Abstract: An automatic balancing device for rotary units or systems. The automatic balancing device includes an annular housing, and an annular outer race track disposed in the annular housing. The outer race track is concentric with and attachable to the rotary system so as to rotate with the rotary system. A number of roller bodies are disposed in the annular housing and are freely movable along the race track for dynamic and/or static contact therewith during rotation of the rotary unit or system. The outer racetrack is provided in a separate ring of a large diameter having a torus-shaped groove forming the race track and having a curved concave profile facing the center of the separate ring.

Abstract: The invention comprises a drive system for use in association with a wheelchair. The drive system includes at least one input gear system, a structure for powering at least one input gear system, at least one transfer gear system, a positioning member, and a structure for transferring movement of the transfer gear system to a wheel. The positioning member positions the desired one of at least two sets of gears of the at least one transfer gear with at least one of the two sets of gears of the at least one input gear system through slidable movement of the at least one of the transfer gear system and the input gear system along their respective axes of rotation. This, in turn, engages the desired gear of the transfer gear system to the desired gear of the input gear system during continuous rotation of these gears. Additionally, the invention includes a handle member for use with a linear conversion system.