Abstract: A one-way clutch, including: a first annular element; a second annular element arranged to lockingly engage with the first element for relative rotation of the second element, with respect to the first annular element, in a first rotational direction; a third annular element at least partly rotatable about the axis and axially disposed between the first and second elements; and a fourth annular element at least partly rotatable about the axis and including a radially disposed body and an axial protrusion extending from the body and connected to the third element. The axial protrusion forms a portion of a space arranged to at least partially enclose fluid to dampen energy associated with the locking engagement of the first and second annular elements, and the first or second element is axially disposed between the third and fourth elements.

Abstract: A hub assembly for a bicycle includes a shaft (12), a hub body (40), a driven ring (43), a drive seat (10), a rotation ring (20), a plurality of pawl members (22), a plurality of push balls (23), a mounting sleeve (32), a damping ring (30), and a plurality of tension adjusting mechanisms (37). Thus, each of the pawl members is driven by each of the push balls in a rolling manner so that each of the pawl members is moved smoothly and stably without incurring sliding friction, thereby facilitating operation of the drive seat. In addition, each of the tension adjusting mechanisms is used to adjust the damping force of the damping ring, so that the damping force of the damping ring is distributed evenly.

Abstract: A clutch assembly includes a first race and a second race that is selectively rotatable with respect to the first race about an axis of rotation. A plurality of rockers is operatively connected to the first race and spring biased into engagement with the second race to transmit torque between the first and second races. A member is selectively translatable between first and second positions to control the ability of the rockers to transmit torque between the first and second rockers, and thereby to control the ability of the races to rotate relative to one another.

Abstract: A stator, including: a one-way clutch with at least one slot opening radially outward from an outer circumferential portion of an outer race; and a blade assembly including first and second separately formed, stamped blade segments rotationally connected to the one-way clutch via the at least one slot. The blade segments are fixedly connected at respective outer circumferential portions. In one embodiment, the stamped blade segments include respective portions disposed in the at least one slot and disposed radially inward from respective blades for the respective blade segments. In one embodiment, the stator includes at least one rivet disposed in the at least one slot and fixedly secured to first and second portions of the first and second stamped blade segments, respectively, the first and second portions located radially inward from blades for the first and second stamped blade segments, respectively.

Abstract: A selectable one-way clutch (SOWC) is provided for use with a vehicle transmission, and has a first race with a plurality of strut pockets, a moveable selector plate, symmetrical torque-holding elements or struts, and a second race that is rotatably engageable with a torque input device. The selector plate has a plurality of windows, and the struts selectively prevent rotation of the second race in either rotational direction depending on the position of the selector plate. The struts have a cylindrical portion and a pair of strut wings each having a free end. The strut wings connect to the cylindrical portion, and a different one of the free ends engages a strut pocket when an opposite strut wing is depressed in order to prevent rotation of the second race.

Abstract: A controllable overrunning coupling assembly includes a control member mounted for controlled shifting movement between a first pair of coupling faces of first and second coupling members relative to reverse pockets formed in one of the coupling faces. The first pair of coupling faces oppose each other and are oriented to face axially along a common rotational axis. The control member is operable for controlling position of only reverse struts in the reverse pockets without controlling the position of forward rockers in forward pockets formed in a coupling face of a second pair of coupling faces of the coupling members that oppose each other and are oriented to face radially with respect to the rotational axis.

Abstract: A diecast pocket plate or coupling member including a pocket with a machined surface layer or portion, a method for making the coupling member and an overrunning clutch assembly including the coupling member are provided. The member is formed as a unitary diecasting from a die-casting material in a die-casting process. The diecast member includes a coupling face having at least one pocket which is sized and shaped to receive and retain a locking member that moves in the pocket during an overrun condition of the assembly. The pocket is defined by a plurality of surface portions including an angled, slightly positive surface portion which is machined vertical or slightly negative to improve performance of the assembly during the overrun condition.

Abstract: A transmission includes a selectable one-way clutch (SOWC) assembly. The SOWC assembly includes a rotatable pocket plate, a rotatable slide plate, and an annular piston having a ramped surface feature. The piston, which can be hydraulically actuated, moves axially toward the pocket plate when applied, and axially away from the pocket plate when released, to thereby select between two torque holding or operating modes of the SOWC assembly. The ramped surface feature of the piston engages an axial knob portion of the slide plate when the piston is applied to select to one operating mode, thus rotating the slide plate in one direction. A return spring moves the piston away from the pocket plate when the other operating mode is selected, and the slide plate is rotated via a spring in another direction. A guide pin maintains a relative position of the piston and the slide plate.

Abstract: An overrunning coupling assembly includes a control element mounted for controlled shifting movement between coupling faces of annular coupling members relative to a first set of pockets in the first member. The control element is operable for controlling position of only reverse struts in the first set of pockets without controlling the position of forward struts in a second set of pockets in the coupling face of the second member. The control element allows at least one of the reverse struts to engage at least one of a set of locking formations on the coupling face of the second coupling member in a first position of the control element. The control element maintains the reverse struts in their pockets in a second position of the control element.

Abstract: A one-way or selectable clutch with multiple circumferential rows of ratchet elements is disclosed. The clutch may include two or more rows of ratchet elements extending between two or more races. The device may be either a one-way clutch or a selectable mechanical clutch, and afford the benefits of reduced backlash and multiple modes of operation. Those modes may include free-wheel/overrun in both clockwise and counterclockwise directions, lock/transmit torque in both directions, lock in clockwise and overrun in counterclockwise directions, and lock in counterclockwise and overrun in clockwise directions.

Abstract: A selectable one-way clutch assembly (SOWC) includes a first race, a second race, a plurality of rockers, and a selector ring. The first race and the second race each surround the first axis. Each of the rockers selectively hold torque in a rotational direction to establish a clutch operating mode. The selector ring defines a plurality of windows and is configured to rotates about the first axis to align at least one of the windows to establish one of the plurality of different clutch operating modes. The SOWC is engaged by rotating the selector ring about the first axis to align at least one of windows in a predetermined manner. Alignment allows at least one of the rockers to engage the second race in a radial direction to hold torque in at least one rotational direction.

Abstract: A SOWC for use with a vehicle transmission is provided. The clutch includes outer and inner elements, also referred to as races, with the latter oriented concentrically within the former about an axis of rotation. A selection mechanism, which may be annular plates operatively connected with the side of the races and with one another, is selectively rotatable with respect to the inner and outer elements between different positions. Pivotable rocker elements are positioned between the races and are movable along cammed slots of the annular plates when the annular plates are rotated to establish a forward, a reverse, and a neutral operating mode corresponding with the different positions of the annular plates. In some embodiments, in the neutral operating mode, none of the rocker elements are in contact with the inner race.

Abstract: An overrunning clutch has a first race, a second race, a set of pawls between the first race and the second race and a set of springs between the first race and the second race, one spring for each pawl and each corresponding spring biasing the corresponding pawl into a position in which the first race and the second race are engaged with each other in a driving direction and are disengaged from each other in a free wheeling direction. Each spring is received in a spring receiving recess of one of the races and biases a rearward portion of the corresponding pawl radially inwardly into a pawl receiving recess of the race.

Abstract: A transmission apparatus of the present invention can transmit power via different inputs, and release power via specific outputs. The transmission apparatus of the present invention is connected to a first input and a second input, both of which produce a forward rotation and a rearward rotation, and a first output. The present invention includes a first transmission device connected to the first input and the first output and is driven to turn by the first input, wherein the first transmission device further has a one way transmission member to transmit the forward rotation of the first input to the first output, and a second transmission device connected to the second input and the first output and is driven to turn by the second input, wherein the second transmission device has a one way transmission member to transmit the forward rotation of the second input to the first output.

Abstract: An overrunning accessory decoupler with a locking mechanism provides the desired overrunning accessory decoupler functionality and also permits torque to be transferred from the accessory to which the decoupler is installed to the drive of the engine when desired. In one embodiment, the decoupler includes a locking mechanism that is controlled by centrifugal forces developed in the decoupler to lock the decoupler to permit the accessory to transfer torque to the drive to start or boost the engine. In another embodiment, the decoupler locking mechanism includes an electromagnet that can be energized to lock and/or unlock the decoupler.

Abstract: A pawl for controlling the rotation of a gear in a planetary gear mechanism. The pawl includes a nose and first and second pivot axes. The nose is engageable with the gear. The pawl is rotatable about the first pivot axis between a first mode permitting rotation of the gear in a first direction and a second direction and a second mode preventing rotation of the gear in the first direction. The pawl is rotatable about the second pivot axis to permit rotation of the gear in the second direction while the pawl is the second mode.

Abstract: A device for damping rotary oscillations in a drive train with a freewheel clutch (27) located between a pulley (25) and a rotor hub (26) is provided. The hub (26) is connected to an input shaft of an auxiliary unit, and the pulley (25) is connected to a crankshaft via a traction means, and the freewheel clutch (27) has an inner ring (34), which surrounds the hub (26) while being fixed thereto, and includes an outer ring (35), which surrounds the inner ring (34) with radial play and which is fixed to the pulley (25). At least one locking element (36) that is actuated by centrifugal force is provided in the inner ring (34), and at least one locking receptacle (37) is provided in the outer ring (35).

Abstract: Embodiments of the present invention include strut based overrunning drives that provide one or more of greater durability, lower heat generation, high torque loads carrying capability, and/or ease of end of life assessment. In some embodiments, a drive assembly may include a shaft; a pocket plate disposed about the shaft and having a plurality of pockets formed on a first side thereof; a notch plate disposed about the shaft adjacent the pocket plate, the notch plate having a plurality of notches formed on a side of the notch plate 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 drive surface rotationally coupled to one of the pocket plate or the notch plate, wherein the other of the pocket plate or the notch plate is rotationally coupled to the shaft.

Abstract: A retainer for a one-way clutch is provided. In some embodiments, the retainer includes an annular portion with an inner circumferential surface, an outer circumferential surface and a first axial surface disposed between the inner circumferential surface and the outer circumferential surface. The first axial surface has a plurality of grooves, a second axial surface is disposed between the inner circumferential surface and the outer circumferential surface, and the second axial surface is configured to engage an outer race of the one-way clutch assembly. The retainer also includes a plurality of inner lobes that project generally radially inwardly from the inner circumferential surface, and are configured to engage an inner race of the one-way clutch assembly.

Abstract: A hub for a bicycle includes a shaft, a hub body, a ratchet wheel, a damper, a drive seat, a plurality of pawl members, and a plurality of elastic plates. The ratchet wheel has a plurality of oneway ratchet teeth. The drive seat has a support base which has a plurality of receiving slots. Each of the pawl members has a locking detent. Thus, when the pedal is driven backward (and the drive seat is rotated backward), each of the pawl members is fully hidden in the respective receiving slot, and the locking detent of each of the pawl members is detached from the oneway ratchet teeth constantly, so that each of the pawl members will not touch the ratchet wheel when the pedal is driven backward to prevent from incurring a noise.

Abstract: A hub for a bicycle includes a shaft, a hub body, a ratchet wheel, a damper, a drive seat, and a plurality of pawl members. Thus, when the drive seat is rotatable backward, the locking detent of each of the pawl members is detached from the oneway ratchet teeth of the ratchet wheel constantly, so that each of the pawl members will not touch the ratchet wheel to prevent from incurring a noise. In addition, when the drive seat is rotatable backward, the hub body is separated from the drive seat, and rotation of the hub body will not drive the drive seat and the pedal to prevent the pedal from being driven when the hub body is rotated backward.

Abstract: The disclosed seat belt tensioner is for a seat belt safety system that may comprise a seat belt spindle, a drive motor for driving the seat belt spindle, and a gear connected to the drive motor.

Abstract: The present invention broadly comprises a stator and one-way clutch assembly including a segment of a stator, a one-way clutch engaged with the segment, and at least one elastically deformable element engaged with the segment and the clutch and arranged to dampen transfer of torque from the stator to the clutch. In some aspects, the clutch includes a first plate and the deformable element is engaged with the segment and the plate. The segment urges the deformable element against the first plate. The first plate is arranged to rotate in response to the urging. The segment and the first plate are arranged to rotationally lock. The first plate and a second plate, connected to a clutch hub, rotationally lock in response to the urging, and the segment and the first plate are arranged to rotationally lock following the locking of the first and second plates.

Abstract: A high torque capacity one-way clutch includes a first, inner annulus nested within a second, outer annulus. The inner annulus includes a plurality of transverse grooves on its outer surface as well as a centrally disposed circumferential groove. A like plurality of moveable struts having a central opening are received within respective grooves in the inner annulus and are retained there by a circumferential band passing through the openings in the struts and received in the circumferential groove. The outer annulus includes a plurality of transverse grooves on its inner surface and receives the inner annulus, struts and circumferential band. Upon relative rotation of the annuli in one direction, the struts engage the grooves and inhibit rotation between the annuli, thereby transmitting torque. Upon relative rotation in the opposite direction, the struts slide along the inner surface of the outer annulus without engaging and thus do not transmit torque.

Abstract: A gear assembly includes a ring gear mounted to a body and a pawl biased by a spring is engaged with ratchet teeth in the inner periphery of the ring gear. A control lever is fixed to an end of the pawl by a link so as to disengage the pawl from the ratchet teeth by rotating the control lever. A shaft extends through the body and is fixed to a driving gear. The ring gear is connected with a wheel of the transportation tool. A coil spring is connected between the shaft and the body to provide a force to return the body. The driving gear is driven by a transmission device of the transportation tool and the driving gear drives the ring gear to rotate the wheel forward. The wheel can be rotated backward by operation of the control lever to disengage the pawl from the ratchet teeth.

Abstract: The present invention broadly comprises a one-way clutch in an automotive drive component. In some aspect, the component is a stator and the clutch includes first, second, and third radially disposed elements. The first and second elements lockingly engage. The third element is between the first and second plates and hydraulically or mechanically dampens energy associated with the locking engagement. In some aspects, the third element forms structures to partially enclose torque converter fluid and one of the first or second elements rotates to causes displacement of the fluid. In some aspects, the clutch includes a fourth radially disposed element at least partially blocking openings in the first or second elements. In some aspects, the third element includes at least one elastically deformable extension and rotation of one of the first or second elements causes the first and second elements to compress the at least one elastically deformable extension.

Abstract: A one-way clutch with an outer race and an inner race is disclosed. One of the races includes at least one pawl and an engagement member for holding the at least one pawl in engagement with ratchet teeth on the other race. The contact surface of the at least one pawl or the ratchet teeth is an arcuate shape for improved load distribution. The arcuate contact surface has a radius of curvature that is greater than a radius of curvature at corners adjacent to the arcuate contact surface.

Abstract: The present disclosure sets forth a one-way clutch. The one-way clutch can function with one or no races as opposed to conventional prior art one-way clutches. In so doing, the overall size and weight requirements of the one-way clutch are drastically reduced, which in turn drastically reduces the overall size and weight requirements of the transmission and vehicle employing the transmission as well. The present disclosure also provides a one-way clutch having an outer race provided by axially spaced plates. An inner race is rotatably mounted with respect to one of the plates and the inner race has a ratchet surface. Ratchet pawls are pivotably mounted with respect to the plates and have unidirectional engagement with the ratchet surface of the inner race. In addition to reducing material and labor production costs, such lessened size and weight penalties translate into higher transmission efficiency and better vehicle fuel economy.

Abstract: A one-way drive device is disclosed herein and includes a pocket plate assembly having a disc-shaped pocket plate and a notch plate assembly having a disc-shaped notch plate. The device also includes an axially extending, open-ended cylindrical shell for containing therein the pocket and notch assemblies. This shell includes opposite first and second axial ends and opposing inner and outer circumferential surfaces which extend axially between the end and which together are configured to include splines and first and second sets of tabs. The splines are circumferentially spaced from one another and extend axially across the shell body and they project radially inward and outward such that there innermost surface edges of the splines together define an innermost annular bearing surface.

Abstract: The present invention broadly comprises a stator for a torque converter with first and second plates. The first plate is connected to a rim for the stator and includes at least one first opening. The second plate is connected to the a hub for the stator and includes at least one first protrusion lockingly engageable with the at least one first opening. The first plate is rotatable about an axis for the hub and the at least one first protrusion and the at least one first opening are lockingly engageable when the first plate is rotated in a first direction with respect to the axis. The at least one first protrusion and the at least one first opening are slidingly engageable when the first plate is rotated in a second direction opposite the first direction.

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: A form-fitting freewheel coupling comprises a first clamping track (8) which has latching structures (10), a second clamping track (9) which has latching structures (11), a gap space (4) which is formed between the clamping tracks (8, 9), and a clamping ring (5) which is arranged in the gap space (4), which clamping ring (5) has a number of clamping tongues (15) which face toward the first clamping track (8) and a number of clamping tongues (16) which face toward the second clamping track (9).

Abstract: The present invention broadly comprises a radial one-way clutch for an automotive device, including: a first annular element; a second annular element arranged for rotational connection to a torque transmitting element in the device; at least one engagement element radially disposed between the first and second annular elements and having at least one first interlocking feature; and an annular frictional element frictionally engaged with the engagement element. One of the first and second annular elements includes at least one second interlocking feature and is rotationally locked with the frictional element. In a first rotational direction, the frictional engagement urges the engagement element to radially displace to engage the interlocking features to rotationally connect the first and second annular elements.

Abstract: A torque coupling assembly that includes a rotationally driving assembly with a rotationally fixed driving axle element and a rotatable driving shell element, and an axial axis of rotation; a rotationally driven assembly, with a rotationally fixed driven axle element and a rotatable driven shell element, and an axial axis of rotation; a frame element with at least two axially spaced mounting elements for mounting of said torque coupling assembly; where the rotatable driving shell includes an axial projection anchored thereto, with a tip portion located axially distal from the driving shell and a root portion axially proximal to the driving shell, and an axially relieved portion circumferentially adjacent the axial projection; where the rotatable driven shell includes an axial projection anchored thereto, with a tip portion located axially distal from the driven shell and a root portion axially proximal to the driven shell, and an axially relieved portion circumferentially adjacent the axial projection; where,

Abstract: A radial ratchet one-way clutch, including: at least one inner race having a plurality of indentations on an outer circumferential surface; at least one outer race having a plurality of indentations on an inner circumferential surface; and a plurality of engagement elements having respective first segments. The engagement elements are assembled with a bias so that the first segments are urged against the inner race. For rotation of the outer race in a locking direction, respective first segments for at least a portion of the engagement elements are engageable with respective indentations from the pluralities of indentations to rotationally lock the inner and outer races. For rotation of the outer race in a free-wheel direction, opposite the locking direction, the respective first segments are slidable across the outer circumferential surface to enable independent rotation of the outer race with respect to the at least one inner race.

Abstract: A locking clutch to selectively transmit torque from a stator of a downhole tool to a rotor of the downhole tool includes at least one locking pawl disposed upon the rotor. The at least one locking pawl comprises a load path, a pivot axis, and a mass center, and is biased into an engaged position by a biasing mechanism. The at least one locking pawl transmits force from the stator to the rotor along the load path when in the engaged position, and centrifugal force urges the at least one locking pawl into a disengaged position when the rotor is rotated above a disengagement speed.

Abstract: There is provided a power coupling device comprising first and second coupling members, at least one of which is capable of rotating about a common axis and relative to each other. The first coupling member has a pocket, and the second coupling member has notches. The power coupling member also comprises first and second struts arranged at least partly in the pocket. Each of the first and second struts is urged to emerge from the pocket and capable of engaging with one of the notches. The first strut is capable of transmitting torque between the first and second coupling members only in a first direction, and the second strut is capable of transmitting torque between the first and second coupling members only in a second direction that is opposite to the first direction.

Abstract: A positively locking overrunning clutch, which has a damping device, comprises a drive input element and a drive output element and also at least one blocking element which blocks a rotation of the drive output element relative to the drive input element in a first rotational direction and enables the rotation in the opposite rotational direction. The blocking element has two clamping rings which are pivotable relative to one another and damped with respect to one another.

Abstract: The present invention broadly comprises a torque converter including a turbine and a one-way clutch rotationally connected to said turbine and an output hub for said converter. The one-way clutch rotationally disconnects the hub and the turbine when the hub receives torque from an input transmission shaft. In some aspects, the one-way clutch is a ratchet clutch. The converter can include a torque converter clutch to lock a cover and the turbine. In some aspects, the converter includes a torque converter clutch to connect a cover, the one-way clutch, and the hub and the torque converter clutch transmits torque from the hub to the cover to start a drive unit connected to the cover. The converter can include a damper element rotationally connected to the torque converter clutch and the turbine, one-way clutch, or hub. The one-way clutch is rated to operate under multiplied drive unit torque.

Abstract: A one way clutch and synchronizer assembly includes a stationary member having a plurality of clutch struts and camming surfaces, a second circular selector member, an third rotating controlled member and a fourth stationary member. The selector member includes apertures or windows through which the clutch struts may pass to engage the rotating member and camming surfaces which provide a selective frictional coupling between the stationary members and the rotating member. A bi-directional hydraulic or electric actuator selectively, bi-directionally rotates the selector member.

Abstract: The invention provides a transmission of a vehicle which can smoothly execute shift-up and shift-down operations. The transmission is provided with change gears, a shift member, a change drum, a change shaft rotationally operated at a predetermined angle by a rider, and a change operation force transmitting mechanism transmitting the rotation of the change shaft to the change drum.

Abstract: A driving force transmission apparatus has a driving gear; a driven gear; a toothed clutch transferring the driving force from driving gear to driven gear and which includes driving-side and driven-side ratchets that are movable in the axial direction of the clutch; and a compression spring biasing driven-side ratchet toward driving-side ratchet. When the tip end of the pawl of the driven-side ratchet is at the same position as the tip end of the pawl of the driving-side ratchet in the axial direction of the toothed clutch, the compression spring biasing force acts on the driven-side ratchet. And when the driven-side ratchet fully engages the driving-side ratchet, the biasing force does not act on the driven side ratchet.

Abstract: A transmission box (3) for a wheeled machine having, within the box (3), a motor input shaft (4) driving a drive wheel to actuate at least one drive shaft of at least one wheel (2A, 2B) of the machine (1). A clutch mechanism is disposed between the drive wheel and the drive shaft of the wheels (2A, 2B) of the machine (1), this clutch mechanism being actuated by driving in rotation the drive wheel and axial movement of a member on the drive shaft of the wheels (2A, 2B) and deactuated by driving in rotation the drive shaft of the wheels (2A, 2B). The member which is axially movable in the drive shaft of the wheels carries ramps coacting with a member secured in rotation with the shaft.

Abstract: An overrunning one-way clutch includes a cam plate including notches angularly spaced about an axis, a rocker plate including pockets angularly spaced about the axis and facing the notches, each pocket including a lock surface, a plurality of rockers, each rocker being located in one of the pockets for movement toward and away from engagement with the notches, each rocker including a contact surface that engages one of the lock surfaces to prevent the rocker from moving into engagement with one of the notches when the notches rotate in a first direction relative to the rockers, and springs supported on the rocker plate, each spring urging one of the rockers toward the notches.

Abstract: A freewheel basically has an inner tubular member, an outer tubular member rotatably mounted on an inner tubular member with a clutch pawl selectively connecting the outer and inner tubular members together. A pawl-retracting member is disposed between the outer and inner tubular members with the pawl-retracting member frictionally engaged with the internal circumferential surface of the outer tubular member to rotate with the outer tubular member between a pawl-retracting position in which the pawl-retracting member maintains the clutch pawl in a disengagement position and a pawl-releasing position in which the pawl-retracting member releases the clutch pawl to move to an engagement position.

Abstract: A one-way clutch is provided that includes a first race, a second race having relative rotational movement with the first race, a locking mechanism to allow relative rotational movement between the races in one direction only and first and second backing plates connected with the first race.

Abstract: A device for transmitting torque in one rotary direction includes a cam plate including notches spaced angularly about an axis, a rocker plate including pockets mutually spaced angularly about the axis, rockers, each rocker being located in a respective pocket for movement toward and away from engagement with a notch on the cam plate, a spring recesses, each spring recess including a retainer, and springs, each spring located in a spring recess and engaged with a retainer, for urging a rocker toward the cam plate and engagement with a notch.

Abstract: A paper feeder disposed on a casing for feeding a paper is provided. The paper feeder includes a feeding axle and a paper stopper. The feeding axle has a first engaging portion. The paper stopper includes a blocking plate and a second engaging portion. The paper stopper is co-axially and rotatably disposed on the feeding axle. When the feeding axle rotates in a first direction to engage the second engaging portion with the first engaging portion, the feeding axle drives the paper stopper to rotate in the first direction until the blocking plate blocks the paper. When the feeding axle rotates in a second direction to detach the second engaging portion from the first engaging portion, the feeding axle is able to feed a paper.

Abstract: A clutch includes: an inner gear; a rack which is configured to mesh with the inner gear; a holder which is formed in an annular shape so as to have therein the inner gear and the rack and holds the rack so as to be slidable, the holder being configured to rotate together with the inner gear and the rack upon receiving a rotation torque of the inner gear via the rack; and an outer gear which is formed in an annular shape so as to have therein the holder and is rotatable relative to the inner gear, the rack, and the holder.

Abstract: A starting apparatus of a small-sized engine includes: a cylindrical cam; a drive gear connected to the cylindrical cam coaxially, wherein: whereas the drive gear is made to be connected to a rope reel by ratchet claws, the drive gear is made to be connected to a cell motor by at least two pieces of reduction gears; and a reduction gear in the reduction gears brought in mesh with the drive gear is divided into a small diameter gear portion and a large diameter gear portion to be arranged coaxially, side faces of the small and the large diameter gear portion opposed to each other are formed with engaging claws engaged with each other only in one direction, and the small and the large diameter gear portion are urged as the two side faces are brought into contact with each other.