Abstract: A power operated trimming tool including a head assembly affixed to a handle assembly. The head assembly includes a frame body supporting a feed roll, a blade, a blade support and a blade retainer plate. The frame body includes an interface portion affixed to the handle assembly and a support portion extending from the interface portion. The blade support includes a cross member of the frame body and defines a blade support slot and a blade receiving opening at a rearward end of the slot. The blade retainer plate is pivotally coupled to the frame body and pivots between first and second positions, in the first position, the blade retainer plate positioned in proximity to the blade receiving opening of the blade support and, in the second position, the blade retainer plate being spaced from the blade receiving opening allowing access to a back side of the blade.

Abstract: A damper for an automobile clutch, comprises input and output elements rotationally movable with respect to one another around a rotation axis (X), and a damping device interposed between the input and output elements. One of the input and output elements is equipped with a cam follower (21). The damping device has a flexible blade (17a; 17b). The flexible blade is provided with a cam surface (20) arranged to interact with the cam follower. The cam surface extends over an opening angle (A) greater than 30°.

Abstract: A vehicle door opening/closing apparatus includes: a support member that has a telescopic shaft shape, is interposed between a body and a door of a vehicle, and thereby is capable of holding the door at an open position, wherein the support member includes a cylindrical housing that accommodates a drive source, and a joint member that is fixed with a part thereof inserted into an end portion of the corresponding housing and is attached on the body or the door of the vehicle, and wherein the joint member has a contact portion which comes into contact with the housing when the joint member is fixed to the housing, and on which convex portions and concave portions recessed to an inner side in a radial direction with respect to the convex portions are alternately provided in a circumferential direction.

Abstract: A clutched device that includes a pulley, a shaft member, a first one-way clutch having a first wrap spring, and an actuator having an electromagnetic coil and an armature. The first one-way clutch rotationally couples the pulley and the shaft member when the actuator is actuated and rotary power is transmitted from a first one of the pulley and the shaft member to the other one of the pulley and the shaft member in a first rotational direction. A frictional force is applied to the armature when the actuator is activated. The frictional force is configured to resist rotation of the armature to cause the first wrap spring to radially expand into driving engagement with a clutch surface that is coupled to the pulley for common rotation.

Abstract: A power unit includes a cam damper mechanism having a cam member reciprocally and unrotatably provided on one of a pair of bevel gears, and rotatably provided on an extended shaft; a lifter member slidably and unrotatably provided on the extended shaft in an axial direction; a damper spring configured such that one end portion thereof is supported on a first flange portion of the extended shaft, and the other end portion thereof biases the lifter member toward the cam member in an axial direction by abutting on the lifter member, and the biasing force is supported by the one bevel gear. The extended shaft has the one of the bevel gears and the cam damper mechanism between the first flange portion and a first bearing, and is accommodated in the bevel gear case so as to be fixed to a bevel gear holder along with the first bearing.

Abstract: The present disclosure provides an input damper for coupling to a torque-generating mechanism. The damper includes an outer cover, a hub, and a carrier assembly coupled to the hub. The carrier assembly is movably disposed within the cover. A clutch assembly moves between an engaged position and a disengaged position and is biased towards the engaged position. The input damper further includes an angular displacement mechanism operably coupled to the clutch assembly for moving the clutch assembly between the engaged position and disengaged position. The outer cover is coupled to the carrier assembly in the engaged position.

Abstract: A clutch for a power tool includes an adjustment ring configured to move axially relative to the housing while being rotated relative to the housing. A spring retainer is disposed axially rearward of the adjustment ring. The spring retainer is coupled for rotation together with the adjustment ring and configured to remain substantially axially stationary relative to the housing when rotated. A spring is disposed between the adjustment ring and the spring retainer. A clutch face is coupled to a portion of the transmission. A locking member is disposed between the spring retainer and the clutch face. The locking member is configured to transfer a holding force exerted by the spring to the clutch face. Rotation and axial movement of the adjustment ring alters the holding force exerted by the spring. When an amount of output torque exceeds the holding force, torque transmission to the output spindle is effectively interrupted.

Abstract: A control device for a lockup clutch of a vehicle. A slip control device executes slip control to make a rotational speed difference between the input member and the input shaft match a target slip speed according to a state of the vehicle by half engagement of the lockup clutch. A clutch temperature obtaining means obtains a clutch temperature of the lockup clutch. A determining means determines if the lockup clutch should be fully engaged or disengaged based on at least a state of the motor if the clutch temperature becomes equal to or higher than a predetermined temperature during execution of the slip control. A slip control stop means for stopping the slip control by fully engaging or disengaging the lockup clutch according to the determination result of the determining means.

Abstract: Retention device for the retention of at least one part, which is to be retained, in a vehicle body manufacturing system, has an overload protection coupling, and the overload protection coupling has a first and a second coupling unit. One of the first and second coupling units has a connecting element which can be releasably coupled to the other one of the coupling units. The other coupling unit has at least one clamping element to which an element for generating a clamping force which creates a connection between the clamping element and the connecting element is assigned in such a way that the connection can be automatically released by a release force which overcomes the clamping force.

Abstract: The present invention relates to a centrifugal force combined with sliding damping type clutch actuated by torque capable of controlling a clutch device to perform operations of coupling or disengaging with the driving torque, characterized in that a relay transmission structure assembly (104) is installed between a rotary prime motive end (101) and an output-end clutch structure (1052) is installed at an output end (102), the relay transmission structure assembly (104) is installed with a relay coupling structure (204) having an active side of relay coupling structure and a passive side of relay coupling structure, a limit-torque sliding damping device (106) is installed between the relay transmission structure assembly (104) and the static housing (107).

Abstract: The present invention relates to a centrifugal force cutting off sliding damping type torque-actuated clutch capable of controlling a clutch device to perform operations of coupling or disengaging with the driving torque, characterized in that a relay transmission structure assembly (104) is installed between a rotary prime motive end (101) and an output-end clutch structure (1052) installed at an output end (102), the relay transmission structure assembly (104) is installed with a relay coupling structure (204) having an active side of relay coupling structure and a passive side of relay coupling structure, and a centrifugal force cutting type centrifugal clutch (2006) is installed between the relay transmission structure assembly (104) and the static housing (107).

Abstract: A two-wheel drive motorcycle having a drive train that supplies power to the front wheel and includes a series of rigid shafts or other internalized drive systems. The front wheel drive consists of components located on the axis of steering within the head tube and positioned symmetrically in a counterbalancing fashion within the front fork in order to counteract the torque reactions from the rotating front wheel drive while providing a full range of steering. The front wheel drive lengthens and shortens in parallel with the shock-absorbing front fork. An engagement clutch, a one-way hub, and torque limiting clutch operatively engaged with the front wheel drive are also disclosed.

Abstract: An isolating decoupler comprising a shaft, a pulley rotationally engaged with the shaft, a coil spring engaged between the pulley and a spring carrier, the spring carrier moveable relative to the shaft and pulley, a one-way clutch mounted to the shaft, a first torsion spring and a second torsion spring engaged between the spring carrier and the one-way clutch, the first torsion spring and the second torsion spring having a releasable frictional engagement with the one-way clutch, the first torsion spring and the second torsion spring comprising adjacent parallel strands and having substantially equal diameters, the first torsion spring and the second torsion spring each being engagable with the pulley, the first torsion spring releasing a frictional engagement with the one-way clutch upon an engagement with the pulley, and the second torsion spring releasing a frictional engagement with the one-way clutch upon an engagement with the pulley.

Abstract: An automotive air conditioning compressor assembly that includes a compressor capable of exhibiting an over-torque condition, an electromagnetic clutch, and an over-torque protection device located between the compressor and the accessory drive. The over-torque protection device is configured to decouple the compressor and the accessory drive when the over-torque condition occurs. The over-torque protection device uses a frangible part that breaks when an over-torque condition occurs and parts equipped with helical ramps to force the rotor and stator of the clutch apart to disengage the compressor from the vehicle accessory drive.

Abstract: A torque transmitting device includes a first race, a second race, and a biasing member. The torque transmitting device selectively transmits a torque in a rotational direction between a first member and a second member. The second member includes a surface that defines an annular bore having a decreasing diameter in an axial direction. The second race opposes the first race and includes a surface that opposes the second member and has the decreasing diameter in the axial direction. The first race and the second race define a predetermined torque limit. The biasing element biases the second race against the second member with a predetermined force that contributes to a predetermined holding torque between the surface of the second race and the surface of the second member that is less than the predetermined torque limit.

Abstract: A torque limiting device for a fishing reel is provided. The torque limiting device is configured to limit torque between a rotatable shaft member and a rotary member disposed on an outer peripheral side of the shaft member in the fishing reel. The torque limiting device includes a first pin member being disposed in the shaft member, where the first pin member is configured to protrude towards and retract from the rotary member and the first pin member has a first spherical tip, an urging member is disposed in the shaft member, where the urging member is configured to urge the first pin member towards the rotary member, and a first recess is disposed on the rotary member to allow the tip of the first pin member to be engaged therewith.

Abstract: A clutch assembly for transmitting a first torque between a first member and a second member includes a first clutch and a second clutch. The first clutch is disposed between the first member and the second member and has a predetermined design torque. The second clutch is disposed in series with the first clutch between the first member and the second member and has a predetermined holding torque that is less than the predetermined design torque. The second clutch allows rotation between the first member and the second member when the first torque is greater than the predetermined holding torque.

Abstract: A drive device includes a first fastening device (5), for connection to a stationary base part, especially a vehicle body, or to a movable part, especially a vehicle (hinged) lid or door; a second fastening device (24), for connection to the movable part or to the stationary base part; a spindle drive (17), which includes a threaded spindle (16) and a spindle nut (19) mounted on the threaded spindle (16) and capable of moving the first and the second fastening devices (5, 24) axially relative to each other; and a rotary drive (9), which rotates the spindle drive (17) by way of an overload safety device, wherein the nonrotatable connection between the two components can be released when a certain torque is exceeded, and wherein the overload safety device is formed by a clutch device (15), which comprises an inner part (32) connected to the rotary drive (9), which inner part rotates an intermediate part (34) by way of a damping element (33) and, by way of the intermediate part (34), rotates an outer part (36) c

Abstract: An accessory that include a machine, an input shaft, a drive member and a decoupler. The machine has a housing and a rotor that is supported for rotation in the housing. The machine effects work in response to driving rotation of the rotor. The input shaft is at least partly received in the housing. The drive member is coupled to the input shaft for common rotation and is configured to drivingly engage an endless power transmitting element to transmit rotary power between the endless power transmitting element and the input shaft. The decoupler is spaced axially apart from the drive member and couples the input shaft and the rotor in a mode that permits rotary power to be transmitted from the input shaft to the rotor in a predetermined rotational direction except when the input shaft decelerates relative to the rotor beyond a predetermined extent.

Abstract: A speed reducer used for a wind power generation facility includes a two-stage reduction mechanism of at least a front stage reduction mechanism and a rear stage reduction mechanism; a coupling that is arranged between the front stage reduction mechanism and the rear stage reduction mechanism and has a torque limiter mechanism which does not transfer a torque exceeding a predetermined value; and an oil seal that partitions and seals a space where the front stage reduction mechanism is accommodated and a space where the coupling is accommodated. The front stage reduction mechanism is separable from the coupling in a sealed state by the oil seal.

Abstract: A torque fluctuation absorber includes a damper portion absorbing a torque fluctuation between the output shaft and the input shaft with an elasticity thereof, and a limiter portion arranged on the power transmission path from the damper portion to the input shaft, configured to slip when the torque fluctuation by a torsion between the output shaft and the input shaft equals or exceeds a predetermined torque defined to absorb at the damper portion. The damper portion includes a center plate transmitting a rotational power to the limiter portion, side plates receiving the input of the rotational power from the output shaft, an elastic member absorbing the torque fluctuation caused by the torsion between the center plate and the side plates. The side plates directly or indirectly connect to a flywheel that connects to the output shaft at a circumferential portion outward in a radial direction relative to the damper portion.

Abstract: A clutch arrangement that includes a clutch member and a follower member. The clutch member is coupled to a member of the transmission assembly that is proximate the torsional input of the transmission assembly and which must be in a non-rotating position to permit the transmission assembly 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 assembly 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 decoupler assembly with a torsional damping system and a torque limiter. The torsional damping system has a torsion spring that facilitates transfer of rotary power into a hub. The torque limiter is wrapped about the torsion spring and radially expands with the torsion spring as a magnitude of the rotary power transmitted through the torsion spring increases. Contact between the torque limiter and another structure in the decoupler assembly halts radial expansion of the torsion spring.

Abstract: The invention concerns a freewheel bearing device including an outer element and inner element arranged inside the outer element, and a free wheel provided with at least a wedging element, arranged between the inner element and the outer element to allow a free rotational movement in one direction between the outer element and the inner element and for transmission of a torque in the other direction between the outer element and the inner element, the free wheel including a ring provided with a cylindrical inner surface and a cylindrical outer surface, substantially aligned on a radial plane perpendicular to the axis of rotation of the device, and a torque limiting member adapted to limit the torque transmitted by the free wheel, the torque limiting member being arranged radially between said ring and the outer element or the inner element in contact with said ring and said element.

Abstract: A system for securing a cam of a locking mechanism to a rotatable shaft, which comprises a cam for actuating a locking mechanism and a clutch that includes, in part, a sleeve body having a distal end affixed to a face of the cam and a sleeve bore having a tapered sleeve journal and a sleeve screw portion with internal threads opposite the sleeve journal. The clutch also includes a collet that is installed within the sleeve bore and which has a collet nut extending outwardly from a proximal end of the sleeve bore, a collet bore, and an outer surface having an axially-split and tapered collet journal abutting the sleeve journal and a collet screw portion with external threads engaged with the sleeve screw portion. The system further includes a rotatable shaft that is secured within the collet bore with a break-away torque that is proportional to an assembly torque applied to the collet nut.

Abstract: A decoupler assembly is provided for allowing an alternator to be rotatably driven by a serpentine belt in an engine of an automotive vehicle and for allowing the speed of the belt to oscillate relative to the alternator. A hub is fixedly carried by a drive shaft from the alternator for rotation therewith. A pulley is rotatably journaled to the hub by a ball bearing assembly. A bare, helical clutch spring is operatively coupled between the hub and pulley for transferring rotational movement from the pulley to the hub during acceleration of the pulley relative to the hub by the serpentine belt and for allowing the hub to overrun the pulley during deceleration of the pulley relative to the hub. A torque limiter, preferably a spring or sleeve, is wrapped about the torsion spring limiting outward expansion of the torsion spring and isolating the torsion spring from torques above a predetermined limit.

Abstract: A method for coupling a load to a power source by means of a clutch, the method having the steps of initially increasing the pressure of the actuator to bring the pressure plates of the clutch into contact with the clutch plates gradually increasing the pressure of the actuator even further to allow the clutch plates to be engaged with the pressure plates while decreasing at least ones the pressure during a short time to create pressure dips such that the torque generated over the load is at least temporarily decreased, and levelling the pressure of the actuator to maintain the engagement of the pressure plates with the clutch plates to allow the load to be driven by the power source.

Abstract: A clutch assembly for transmitting a first torque between a first member and a second member includes a first clutch and a second clutch. The first clutch is disposed between the first member and the second member and has a predetermined design torque. The second clutch is disposed in series with the first clutch between the first member and the second member and has a predetermined holding torque that is less than the predetermined design torque. The second clutch allows rotation between the first member and the second member when the first torque is greater than the predetermined holding torque.

Abstract: Embodiments of the present invention include strut based overrunning pulleys that provide one or more of greater durability, lower heat generation, high torque loads carrying capability, potentially tunable vibration dampening, tunable to maximum permissible torque loads before elastic (repeatable) slippage, and/or ease of end of life assessment. In some embodiments, a pulley assembly includes a shaft; a pocket plate having a plurality of pockets; a notch plate adjacent the pocket plate and having a plurality of notches facing the pockets of the pocket plate; a plurality struts disposed in the pockets; a resilient member disposed within the pockets and biasing the struts towards the notches; and a body disposed about the shaft, pocket plate, and notch plate; wherein one of the pocket plate or the notch plate is rotationally coupled to the shaft and the other of the pocket plate or the notch plate is rotationally coupled to the body.

Abstract: The invention concerns a freewheel bearing device including an outer element and inner element arranged inside the outer element, and a free wheel provided with at least a wedging element, arranged between the inner element and the outer element to allow a free rotational movement in one direction between the outer element and the inner element and for transmission of a torque in the other direction between the outer element and the inner element, the free wheel including a ring provided with a cylindrical inner surface and a cylindrical outer surface, substantially aligned on a radial plane perpendicular to the axis of rotation of the device, and a torque limiting member adapted to limit the torque transmitted by the free wheel, the torque limiting member being arranged radially between said ring and the outer element or the inner element in contact with said ring and said element.

Abstract: A disc brake for a commercial vehicle is equipped with a wear adjustment device having two adjustment spindles and a slip clutch actuated when a certain torque is exceeded. The slip clutch is designed such that it can be installed in existing installation spaces. The slip clutch is a safety adapter that is pressed onto the end region of each adjustment spindle via a press fit. In order to achieve the press fit, an inner contour of the safety adapter deviates from a circular shape and that an oversize is selected such that sufficient press forces are generated. The disc brake is particularly suited for heavy trucks and cantilevers.

Abstract: A vehicle driveline component that includes an input member, at least one output member and a preloaded clutch that is disposed between the input member and the at least one output member. The preloaded clutch limits drive torque transmitted form the input member to each output member. The driveline component is selected from a group consisting of transfer cases, propshafts, viscous couplings and differentials. A related method is also provided.

Abstract: A multiple disc friction clutch comprises a clutch outer for take in power, a clutch hub for take out power, friction plates, a clutch spring pressing a pressing member to the friction plates for connecting the clutch, a spring receiving member supporting the clutch spring, and a coupling hub coupled to the spring receiving member as to be integrally movable. A spline inclined against an output axis is formed in a fitting portion between the coupling hub and a tube shaft, and moves the clutch spring in an axial direction of the tube shaft to a compressing side while relatively rotating the coupling hub against the tube shaft, in the case that an engine drive torque is equal to or more than a predetermined value, thereby increasing a pressing load.

Abstract: A lubrication and shift system for a power transfer device includes an input shaft, an output shaft driven by the input shaft and a lubrication pumping system, including a pump being driven by the input shaft to provide pressurized fluid to a first fluid path. A first pump control system includes a cover plate being moveable to vary the output of the pump. A second pump control system includes a valve member selectively moveable to open and close a second fluid path. The pump output pressure is reduced when the second fluid path is open. A third pump control system includes a torque-limiting coupling limiting a maximum input torque to the pump.

Abstract: A torque fluctuation absorbing apparatus for absorbing a torque fluctuation generated between an engine and a transmission includes a dumper portion having a first plate member, a second plate member and a plurality of coil springs. The second plate member includes a first plate portion and a second plate portion to interpose therebetween the first plate member. The plurality of coil springs is provided between the first and second plate members. The plurality of coil springs is arranged to compress when the first and second plate members move relative to each other thereby absorbing a torque fluctuation generated by a difference between a rotation of the first plate member and a rotation of the second plate member. The first plate member is connected to an output shaft of the engine. The second plate member is connected to an input shaft of the transmission.

Abstract: A method of activating a drive system with a portable power source includes performing at least two actions between the power source and the drive system to effect activation. Performing any one of the two actions without the other of the two actions will not activate the drive system. The power source is preferably a hand-held power drill or a power pack.

Abstract: The invention relates to a decoupling sleeve having driving and driven shafts connected by dog clutches. The driving shaft transmits torque to the driven shaft in one direction during a forward direction of rotation where a rod-shaped connecting member is connected to two shafts so that the connecting member is detached from one of the shafts if subject to a reverse torque beyond a specific threshold. The two shafts become free in rotation relative to one another upon this detachment.

Abstract: The invention eliminates the need of handling an engine in a process for assembling a torsion damper which couples the engine with a power transmission system and a torque limiter. In a damper unit with a torque limiter positioned between an output shaft of an engine and a power transmission shaft of a power transmission system, the damper unit includes a fly wheel damper, a torsion damper and a torque limiter. The torque limiter of the damper unit is coupled to the torsion damper with a set load applied thereto such that the torque limiter and the torsion damper are combined to form an assembly. The torsion damper and the torque limiter can be assembled by handling, independently of the engine, only components which are smaller and lighter than an engine. This improves the efficiency of the assembling operation of the damper unit with the torque limiter.

Abstract: A transaxle for auxiliary wheels of a vehicle having a main drive wheel and left and right auxiliary drive wheels, comprises: a gear to which a rotary force for driving the main drive wheel is distributed; a pair of left and right axles drivingly connected to the respective left and right auxiliary drive wheels; a pair of clutches, wherein one of the clutches is interposed between the gear and the left axle, and the other clutch is interposed between the gear and the right axle; judging means for judging whether or not the main drive wheel slips; and a shift mechanism for engaging and disengaging the pair of clutches based on the judgment of the judging means. The judging means comprises a two-way clutch interposed between the gear and the pair of axles, which is engaged when rotary speed of the gear exceeds rotary speed of at least one of the axles.

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 torque limiting device that includes a body, an output race including a distal portion extending from the body for supporting a tool that is to be controlled from the body and a proximal portion formed as a radial flange and a plurality of ball bearings disposed in a plurality of accommodating holes arranged about the flange. A first thrust member is disposed at the distal portion side of the flange and an actuator plate is providing having a peripheral ratchet surface and a plurality of holes arranged in line with certain holes in the flange. A pawl is supported by the body for engagement with the ratchet surface. A second thrust member imposes a force on the actuator plate toward the output race. The balls supported by the output race transfer axial force therethrough between the actuator plate and the first thrust member.

Abstract: A power transmission apparatus comprises a pulley mounted rotatably on a casing of a rotary device, a hub coupled to the pulley by fitting between depressions and protrusions, a power shutoff member for preventing excessive torque between a rotary shaft and the hub, and an engaging device for engaging the hub and the pulley each other. The engaging device includes a first stepped portion formed radially on the outer periphery of the hub and a second stepped portion formed radially on the inner peripheral wall of a rim of the pulley in such a manner as to engage the first stepped portion in the axial direction.

Abstract: A double mass flywheel has an inertia member, a flexible plate, a second flywheel, an elastic member, and a friction generation mechanism. The flexible plate is deformable in a bending direction and connects the inertia member to a crankshaft. The second flywheel is formed with a clutch friction surface. The elastic member elastically connects the second flywheel to the crankshaft in the rotational direction. The friction generation mechanism is located functionally in parallel with the elastic member in the rotational direction. The friction generation mechanism is held by the flexible plate.

Abstract: A method and apparatus for selectively coupling members in a brake actuating mechanism. A coupling member is located between an outer clutch sleeve and a clutch cap. The coupling member exerts a pre-determined amount of force on both the outer clutch sleeve and the clutch cap. The force couples the outer clutch sleeve and the clutch cap. The coupling member allows the outer clutch sleeve and the clutch cap to decouple if a torque acting on the clutch cap exceeds the force exerted by the coupling member.

Abstract: A webbing winding device in which a breadth dimension of a torque limiter is less than an axial direction dimension of an external gear. A rotation disc, the torque limiter or the like is wholly disposed, along a radial direction of the external gear, between the external gear and a peripheral wall of a baseplate. Further, members such as pawls, a rotation disc and the like are disposed, along a radial direction of the peripheral wall, between the peripheral wall and an adaptor, and these members are accommodated at an inner side of the external gear. Consequently, a thickness dimension (axial direction dimension) of a clutch is practically the same as an axial direction dimension of the external gear, and this is extremely thin.

Abstract: A clutch device for a magnetic recording/reproducing apparatus for transmitting power for a tape conveying regardless of the quantity of tape wound around a reel, including a central shaft installed on a main chassis, a drive pulley connected to the central shaft, and having a cylindrical pulley holder portion, said drive pulley being rotated by receiving power from a driving source, an up/down gear having a cylindrical gear holder unit with the outer diameter thereof being smaller than the inner diameter of the pulley holder portion and ascendable/descendible along the central shaft, and a clutch spring placed between the inner surface of the pulley holder portion and the outer surface of the gear holder unit for selectively transmitting power with a certain torque from the driving pulley to the up/down gear in accordance with the rotational direction of the driving pulley.

Abstract: A pneumatic power nut runner with a rotation motor which is connected to a drive train including a torque responsive release clutch (10) and a disengageable torque non-responsive clutch (11), a pressure air inlet valve (12), and an activation mechanism (49, 50) for automatic power shut-off at the attainment of a desired maximum torque level. The activation mechanism (49, 50) comprises a transversely displaceable latch element (49) provided with a blind bore (54) for permitting closure of the inlet valve (12) and a depression (55) for allowing engagement of the torque non-responsive clutch (11), wherein a transverse displacement of the latch element (49) at the attainment of the desired torque level results in a freeing of the inlet valve (12) for displacement toward closed position and a forcing of the torque non-responsive clutch (11) out of engagement.

Abstract: A hand-held power tool having a multi-speed transmission and a clutch. The multi-speed transmission and the clutch are coupled to one another via a set of interconnecting tabs that are slidingly engaged to one another and secured with pins to inhibit the withdrawal of the tabs from one another. The clutch may include a clutch member, a unitarily formed clutch plate and a plurality of engagement members. The clutch plate includes an annular plate member and a plurality of leg members that extend generally perpendicularly from the annular plate member and which bias the engagement members into engagement with the clutch member. The clutch member may be coupled to an element of the multi-speed transmission, such as to the ring gear of a planetary gear set, so as to reduce the overall size of the power tool.

Abstract: Autopilot control of an aircraft is accomplished using a servo wherein the input shaft and output shaft are collinear. In one embodiment, the output shaft is supported, in part, by the input shaft. In further embodiments an engage clutch mechanism is provided to allow decoupling of the motor from the output shaft, and a slip clutch mechanism is provided to limit the torque output of the servo to enhance the safety of operation. The collinear shaft arrangement enables the engage clutch mechanism and slip clutch mechanism to synergistically utilize components for multiple functions.

Abstract: A clutch device for a magnetic recording/reproducing apparatus for transmitting power for a tape conveying regardless of the quantity of tape wound around a reel, including a rotating central shaft installed on a main chassis, a drive pulley connected to the rotating central shaft, and having a cylindrical pulley holder portion, said drive pulley being rotated by receiving power from a driving source, an up/down gear having a cylindrical gear holder unit with the outer diameter thereof being smaller than the inner diameter of the pulley holder portion and ascendable/descendable along the rotatable central shaft, and a clutch spring placed between the inner surface of the pulley holder portion and the outer surface of the gear holder unit for selectively transmitting power with a certain torque from the driving pulley to the up/down gear in accordance with the rotational direction of the driving pulley.