Class / Patent application number | Description | Number of patent applications / Date published |
192045000 | Ball or roller | 42 |
20080230341 | Disengageable pulley device - Disengageable pulley device comprising a pulley mounted on a shaft by means of a rolling bearing and of a freewheel, the pulley comprising a rim mounted on the periphery of a one-piece outer race of substantially tubular shape comprising, on an inner surface, at least one raceway for rolling elements and at least one contact seat of cylindrical revolution for lock-up elements of the freewheel, a one-piece inner race forming a torque transmission shaft and including, on an outer surface coming opposite the outer race, at least one raceway for the rolling elements and at least one contact seat of cylindrical revolution for the lock-up elements of the freewheel. | 09-25-2008 |
20080236977 | One-way clutch - A one-way roller clutch includes an outer ring, and an inner ring mounted inside the outer ring and having an outer cylindrical surface. The outer ring has on its inner periphery a plurality of cam surfaces each defining a wedge-shaped space in cooperation with the cylindrical surface of the inner ring. Rollers are each mounted between one of the cam surfaces and the cylindrical surface. Each roller is biased by a coil spring toward a narrow portion of the corresponding wedge-shaped space. Each coil spring has at its end facing the roller a radially outwardly extending spiral roller abutment portion. The roller abutment portion prevents the end of the coil spring from slipping along and separating from the roller, thus stabilizing the attitude of the coil spring. | 10-02-2008 |
20080271967 | One-Way Clutch-Containing Rotation Transmission Apparatus - In order to provide a one-way clutch-containing rotation transmission apparatus of a high performance and an excellent durability, which shows a satisfactory lubricating property in a one-way clutch and a rolling bearing over a wide temperature range from a low temperature to a high temperature, in which an antirust agent for preventing a corrosion by rainwater or the like has little environmental burden and which does not cause an exfoliation of metal materials under a vibrating condition, a grease composition, employing a synthetic oil as a base oil, also employing at least either of an urea compound and a metal soap as a thickener and containing a non-barium type antirust agent in an amount of from 1.0 to 10 mass % with respect to the entire amount of the grease, is sealed in the rolling bearing and the one-way clutch. | 11-06-2008 |
20090008205 | One-way clutch - A one-way clutch includes inner and outer races which define circumferentially arranged wedge-shaped spaces, and clutch-actuating rollers received in the respective wedge-shaped spaces. Load-bearing rollers are provided between the circumferentially adjacent clutch-actuating rollers. The biasing force applied to one of the clutch-actuating rollers from an elastic member is transmitted to the circumferentially adjacent clutch-actuating roller through the load-bearing roller disposed therebetween. The biasing force biases the respective clutch-actuating rollers toward the narrow ends of the respective wedge-shaped spaces, and biases the load-bearing rollers against a cylindrical surface of the outer race having its center located on the axis of the outer race. Because the biasing force is not transmitted through a retainer, no high dimensional accuracy is required for the retainer. Thus, the one-way clutch can be easily manufactured and assembled. Still, it shows high locking capacity. | 01-08-2009 |
20090071788 | ONE-WAY CLUTCH - A one-way clutch | 03-19-2009 |
20090078523 | UNIDIRECTIONAL CLUTCH ASSEMBLY - A unidirectional clutch assembly for coupling an input shaft to a driven shaft, uses an internal shaft positioned within a moveable clutch disc and a stationary clutch disc. The moveable disc has an engaging element for releasably engaging the internal shaft when the moveable clutch disc is rotated in a primary rotation direction by the driven shaft. The stationary clutch disc has a second engaging element for releasably engaging the internal shaft when the internal shaft is rotated relative to the stationary clutch disc in the opposite direction. When the driven shaft rotates in the primary rotational direction, the moveable clutch disc engages, and the stationary clutch disc disengages, the internal shaft, allowing it to rotate freely in the primary rotational direction. When the driven shaft rotates in the opposite direction, the moveable clutch disc disengages, and the stationary clutch disc engages, the internal shaft preventing its rotation. | 03-26-2009 |
20090211864 | FRICTION CLUTCH - A friction clutch has a clutch housing including a friction plate, a clutch boss including a clutch plate, and a pressure plate causing the friction plate and the clutch plate to contact each other by moving in a predetermined direction. A clutch spring applies a biasing force in a direction of causing the pressure plate to press the friction and clutch plates into contact with each other. An annular retainer receives a reaction force to the biasing force of the clutch spring by supporting one end of the clutch spring opposite to the pressure plate. A circlip of a notched ring shape is fitted into an inner peripheral side of the clutch housing. The circlip locks the retainer to the clutch housing by abutting on an opposite side of the retainer. The retainer is configured to suppress radially inward deformation of the circlip when a vehicle engine is driven. | 08-27-2009 |
20090242346 | ONE-WAY CLUTCH OF ROLLER TYPE - A one-way clutch of roller type comprising an outer race having pockets provided at an inner surface thereof with cam surfaces, an inner race spaced inwardly from the outer race, a plurality of rollers disposed in the pockets and adapted to transmit torque between the outer race and the inner race, a cage having a cylindrical portion, a flange portion and windows to hold the plurality of rollers and each having a circumferential width smaller than a diameter of the roller, and springs each having one end locked to the outer race to bias the roller toward, and wherein the cage is rotatable relative to the outer race and includes staking portions formed on an end face of the cylindrical portion opposite to the flange portion and adapted to prevent the cage from being dislodged in an axial direction. | 10-01-2009 |
20090242347 | ONE-WAY CLUTCH - A one-way clutch is proposed which includes an outer race having a radially inner surface in which a plurality of pockets are formed. Rollers are each received in one of the pockets. Wedge-shaped spaces are defined between respective cam surfaces of the pockets and a shaft inserted through the outer race. When the shaft rotates in one direction, the rollers are wedged into the narrow ends of the respective wedge-shaped spaces, thereby locking the clutch. When the shaft rotates in the opposite direction, the rollers move toward the wide ends of the wedge-shaped spaces, thereby unlocking the clutch. The casing includes a main body and a cylindrical member fitted in the main body and made of an elastic synthetic resin. The outer race is fitted in the cylindrical member. | 10-01-2009 |
20090260941 | Bushing-type roller overrunning cluth with a cage for needles or rollers - A bushing-type roller overrunning clutch comprising at least an inner or an outer ring that comprises clamping ramps adapted to the needles or rollers, said overrunning clutch further comprising a cage for the needles or rollers, as also pressure springs, said cage comprising cage elements that are made in one piece with the inner or outer ring, and a method of making a bushing-type roller overrunning clutch in which the inner or outer ring together with the clamping ramps and at least one border arranged on one side of the clamping ramps is made by deep-drawing, spring-retaining lugs are cut out of the border, and the spring-retaining lugs are bent radially towards the inner or outer ring and the free-standing tabs of the spring-retaining lugs are bent over into the region of the clamping ramps. | 10-22-2009 |
20090272613 | Seat - Provided is a seat where pumping operation of a lever of the seat not only rotates an output member by inching but also, when a load in the operation direction of the lever is applied to the output side member, rotates it at one stroke in that direction. A seat adjustment device of the seat has a clutch unit (X) provided between the lever and a rotation member of a movement mechanism. The clutch unit (X) has a lever side clutch section ( | 11-05-2009 |
20090277738 | ROLLER, SPRAG OR RATCHET ONE-WAY CLUTCH WITH TWO BACKING PLATES - 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. | 11-12-2009 |
20090277739 | ONE-WAY CLUTCH OF ROLLER TYPE FOR USE IN STARTER FOR MOTOR BIKE - A one-way clutch of roller type comprises an outer race having pockets provided at their inner faces with cam surfaces, an inner race spaced inwardly from the outer race in a radial direction and rotatably disposed in concentric with the outer race and having an annular outer peripheral track surface, a plurality of rollers disposed in the pockets and adapted to transmit torque between the outer race and the inner race when engaged by the cam surfaces, and accordion springs disposed in the pockets and adapted to bias the rollers toward engagement directions with respect to the cam surface, and is characterized in that one ends of the accordion springs are secured to axial end faces of the outer race. | 11-12-2009 |
20100051402 | ONE WAY CLUTCH - One way clutch has an inner ring, an outer ring and torque transmission members between the inner ring and the outer ring. Each torque transmission member can shift between a torque transmission position and a non torque transmission position. The one way clutch further has biasing members that bias the torque transmission members respectively toward the torque transmission positions, and a retainer that retains the torque transmission members and the biasing members. The retainer includes first and second mount portions that retain the torque transmission members and the biasing members corresponding thereto. Each of the first and second mount portions has a securing portion that secures one end of the biasing member, and the torque transmission member is pressed by the other end of the biasing member. The biasing force that the biasing members retained by the second mount portions exert on the torque transmission members corresponding thereto is larger than the biasing force that the biasing members retained by the first mount portions exert on the torque transmission members corresponding thereto. | 03-04-2010 |
20100084239 | ONE-WAY CLUTCH OF ROLLER TYPE - The present invention provides a one-way clutch of roller type comprising an outer race having at least one pocket provided at its inner periphery with a cam surface, an inner race spaced apart from the outer race radially inside of the outer race and coaxially arranged for a relative rotational movement, a roller disposed in the pocket and adapted to transmit torque between the outer race and the inner race when engaged by the cam surface, a cage having a cylindrical portion with a window for holding the roller and a flange portion extending outwardly from the cylindrical portion in the outer diameter direction and rotatable relative to the outer race, the window having a circumferential window width smaller than a diameter of the roller, and a spring disposed in the pocket and adapted to bias the roller toward an engagement direction with respect to the cam surface, and wherein an inclined surface portion inclined in the axial direction is provided on the inner periphery of the pocket. | 04-08-2010 |
20100096234 | STRUCTURE OF ONE-WAY BEARING - A one-way bearing includes inner and outer races and balls and springs set between the races. The outer race defines accommodation chambers that respectively receives balls and springs therein in a movable manner and is composed of first and second compartments. The first compartment has a front wall surface from which a bottom wall surface extends in a radially outward direction at a given angle. The bottom wall surface extends a distance where an inward raised step is formed and connected to the second compartment. The second compartment includes a recessed space and has a configuration that includes a flange radially inboard the recessed space, and has an internal wall facing the front wall surface. The spring is retained in the second compartment for holding the ball against the front wall surface of the first compartment and the inner race to form a constraining engagement. | 04-22-2010 |
20100096235 | ONE-WAY CLUTCH OF ROLLER TYPE - The present invention provides a one-way clutch comprising an outer race having at least one pocket provided at its inner periphery with a cam surface and having a stepped portion formed on an inner diameter side of an axial one end face of the outer race; an inner race spaced apart from the outer race radially inside of the outer race and coaxially arranged for a relative rotational movement; a roller disposed in the pocket and adapted to transmit torque between the outer race and the inner race when engaged by the cam surface; a cage rotatable relative to the outer race and having a cylindrical portion, a flange portion fitted in the stepped portion and extending outwardly from the cylindrical portion in the outer diameter direction and a window formed in the cylindrical portion and having a circumferential width smaller than a diameter of the roller and adapted to hold the roller; and a spring disposed in the pocket and adapted to bias the roller toward an engagement direction with respect to the cam surface; and wherein a cover portion for covering at least a part of the pocket is provided on the other axial end face of the outer race. | 04-22-2010 |
20100096236 | ONE-WAY CLUTCH OF ROLLER TYPE - The present invention provides a one-way clutch comprising an outer race provided with a pocket, an inner race arranged coaxially with the outer race, a roller adapted to transmit torque between the outer race and the inner race, a cage having a cylindrical portion with a window and a flange portion extending from the cylindrical portion in an outer diameter direction, the window being adapted to hold the roller and enclosed at its four sides, a spring disposed in the pocket between the outer race and the roller and adapted to bias the roller toward an engagement direction with respect to the cam surface, and a side plate secured to abut against an axial one end face of the outer race and provided at its inner diameter portion with spline grooves, and wherein the side plate has at least one grooved portion having one end communicated with the pocket of the outer race and the other end opened to an outer diameter end of the side plate. | 04-22-2010 |
20100101910 | ONE-WAY CLUTCH OF ROLLER TYPE - The present invention provides a one-way clutch of roller type comprising an outer race having a plurality of pockets provided at their inner peripheries with cam surfaces, an inner race coaxially arranged with respect to the outer race, rollers disposed in the respective pockets and adapted to transmit torque between the outer race and the inner race when engaged by the cam surfaces, a cage having a cylindrical portion with windows for holding the rollers and a flange portion extending outwardly from the cylindrical portion in the outer diameter direction and rotatable relative to the outer race, each window having a circumferential window width smaller than a diameter of the roller, and springs disposed in the respective pockets between the outer race and the respective pockets and adapted to bias the rollers toward engagement directions with respect to the cam surfaces, and wherein an inclined surface portion inclined in the axial direction is provided on at least a circumferential part of the inner peripheral surface of the outer race. | 04-29-2010 |
20100108455 | ONE-WAY CLUTCH OF ROLLER TYPE - The present invention provides a one-way clutch comprising an outer race, an inner race, a roller adapted to transmit torque between the outer race and the inner race, a cage having a window for holding the roller, a spring disposed in the pocket and adapted to bias the roller toward an engagement direction with respect to the cam surface, and a side plate provided at its inner diameter portion with spline grooves into which a crankshaft of an engine is fitted, and wherein the side plate is secured to the outer race by inserting rivets into through holes provided in the outer race and through holes provided in the side plate and by caulking the rivets. | 05-06-2010 |
20100116610 | ONE-WAY CLUTCH OF ROLLER TYPE - The present invention provides a one-way clutch comprising an outer race provided with a pocket and having a groove portion formed at an inner diameter side of an axial one end face of the outer race, an inner race arranged coaxially with the outer race, a roller disposed in the pocket and adapted to transmit torque between the outer race and the inner race, a cage having a cylindrical portion with a window and a flange portion extending from an axial one end face of the cylindrical portion in an outer diameter direction, a projection provided on the cylindrical portion, a spring disposed in the pocket between the outer race and the roller and adapted to bias the roller toward an engagement direction with respect to the cam surface, and a side plate secured to abut against the axial one end face of the outer race and provided at its inner diameter portion with spline grooves, and wherein the cage is prevented from being rotated relative to the outer race by fitting the projection in the groove portion. | 05-13-2010 |
20100116611 | ONE-WAY CLUTCH OF ROLLER TYPE - The present invention provides a one-way clutch comprising an outer race, an inner race, a roller adapted to transmit torque between the outer race and the inner race, a cage having a window for holding the roller, a spring disposed in the pocket between the outer race and the roller and adapted to bias the roller toward an engagement direction with respect to the cam surface and having one end and the other end which include tab portions bent non-straightly from a main body portion, one of the tab portions being locked to an axial end face of the outer race, the other tab portion being pinched between an axial end face of the roller and a flange portion of the cage, and wherein one end of the spring is secured to the outer race and the other end is engaged by the roller, and the one end and the other end are connected to the main body portion of the spring via bent portions, and the bent portions are provided with interference preventing portions for interfering the bent portions with the outer race and the roller, respectively. | 05-13-2010 |
20100213021 | ROLLER-TYPE ONE-WAY CLUTCH - The present invention provides a roller type one-way clutch comprising an outer race in which pockets provided at their inner surfaces with cam surfaces are formed, an inner race spaced apart from the outer race in a radial inner diameter side and disposed coaxially with the outer race for a relative rotational movement and having an annular outer peripheral track surface, a plurality of rollers disposed within the pockets to be engaged with the cam surfaces and adapted to transmit torque between the outer race and the inner race, a holder having a cylindrical portion and windows provided in the cylindrical portion to hold the plurality of rollers, and springs disposed within the pockets between the outer race and the inner race and adapted to bias the rollers to be engaged with the cam surfaces, and wherein the holder is rotatable relative to the outer race and biasing forces of the springs are transmitted to the holder via the rollers. | 08-26-2010 |
20100224458 | Bicycle coasting mechanism - The present invention is directed to a torque transmitting bicycle freewheel coasting mechanism comprising a drive body, a driven body and rolling bearing elements supporting and spacing these bodies during coasting. The rolling element bearings are elastically deformable and, during the application of a sufficiently large driving force to the drive body, they deform to allow relative movement between the bodies to bring one body into contact with the other body. This movement is small and the load is carried directly from one body to the other body without damage to the rolling element bearings. The bodies are only highly loaded by drive loads during torque transmission. During coasting, the flexible balls or rollers spring back and support the bodies in a spaced relationship in a normal bearing fashion. The flexible rolling bearing elements are not hard so bearing raceways can be formed directly into the bodies. | 09-09-2010 |
20100258398 | ROLLER-TYPE ONE-WAY CLUTCH - The present invention provides a roller type one-way clutch comprising an outer race in which pockets provided at their inner surfaces with cam surfaces are formed, an inner race spaced apart from the outer race in a radial inner diameter side and disposed coaxially with the outer race for a relative rotational movement and having an annular outer peripheral track surface, a roller disposed within the pocket to be engaged with the cam surfaces and adapted to transmit torque between the outer race and the inner race, and an accordion spring disposed within the pocket and adapted to bias the rollers to be engaged with the cam surfaces, and wherein one end of each accordion spring is secured to an axial end face of the outer race. | 10-14-2010 |
20100314211 | ROLLER-TYPE ONE-WAY CLUTCH - A roller-type one-way clutch includes an outer race with a pocket with a cam surface formed on an inner surface, an inner race separated to the radial inside diameter side with respect to the outer race, disposed concentrically and relatively rotatable, and having an annular outer peripheral raceway surface, a plurality of rollers disposed on the pocket, engaged in the cam surface, and transmitting torque between the outer race and the inner race, a cage provided with a cylindrical part and a window provided in the cylindrical part, holding the plurality of rollers, and having a circumferential width which is smaller than the roller diameter, and a spring provided on the pocket, one end of which is latched to the outer race, the other end of which has roller movement preventive means for preventing the movement of the rollers in the axial direction, and which energizes the rollers in the engagement direction with the cam surface, wherein the cage has cage movement preventive means for preventing the cage from dropping off in the axial direction toward the opposite side to the other end of the spring in the axial direction. | 12-16-2010 |
20110000755 | BI-DIRECTIONAL CLUTCH WITH STAGGERED ROLLER ELEMENTS - A coupling having at least two concentric rings, each having a circumferential surface and a recess, and at least two roller elements. The roller elements are each disposed in a channel formed by the circumferential surface of one of the rings and the recess of another of the rings. In some example embodiments of the invention, the coupling includes a coupling member with a bearing surface, at least one of the rings includes a split and the split ring is urged against the bearing surface when there is relative rotation between the rings. The coupling member is, for example, a shaft or a gear. | 01-06-2011 |
20110005881 | CLUTCH UNIT - Provided is a clutch unit, including: a lever-side clutch portion provided on an input side, for controlling transmission/interruption of rotational torque to an output side with lever operation; and a brake-side clutch portion provided to the outside side, for transmitting a torque input from the lever-side clutch portion to the output side and for interrupting a torque reverse-input from the output side, in which: the lever-side clutch portion includes a retainer for retaining a plurality of cylindrical rollers at predetermined intervals in a circumferential direction for controlling transmission/interruption of the torque input from a lever-side outer race through engagement/disengagement between the lever-side outer race to which torque is input and an inner race transmitting the torque from the lever-side outer race to the brake-side clutch portion; and an inner centering spring including a lock portion to be locked to an end surface of the retainer, for accumulating an elastic force obtained by the torque input from the lever-side outer race and for restoring the retainer to a neutral state by releasing the elastic force obtained by the torque input from the lever-side outer race and thus accumulated; and on the end surface of the retainer, a hook portion for holding the lock portion of the inner centering spring is provided in a protruding manner. | 01-13-2011 |
20110011693 | Positive Locking Roller Stop Device - The present invention relates to a positive locking roller stop device having a rotational mechanism attached to a shaft that allows rotational motion to be transmitted to a work piece, such as a flywheel, in one direction at high rotational speeds but allowing for free-wheeling with minimal friction wheeling of a work piece such as a flywheel with minimal friction when the power source is reduced, preventing the slower shaft speed from reducing the speed of the work piece. | 01-20-2011 |
20110031084 | DELAYED LOCK UP/FREEWHEEL BEARING AND AN IMPROVED NON-BONDED TORSION BUSH - A bearing which introduces a delay into the lock up path of a reverse activated activator, typically the delay is half a revolution, such that any unintentional minor reversal from the freewheel direction can be tolerated without triggering an unwanted response, the bearing is particularly useful to delay the action of a reverse stimulated rotational activity such as the activation of a brake or a bicycle stabilizer. Improved bearings and bushes useful in this application are also provided. | 02-10-2011 |
20110048885 | CAGE WITH INTEGRATED SPRINGS APPLIED TO A TORQUE TRANSMISSION SYSTEM AND FREE WHEEL WITH ROLLERS - The present invention refers to the technical field of starting impeller devices in general, more specifically a cage with integrated springs as applied to a torque transmission system and free wheel with rollers as applied to starter drives in starting devices and similar. The invention presents, as a novelty, a cage ( | 03-03-2011 |
20110048886 | ONE WAY CLUTCH - In a one way clutch shipped and transported in a sub-assembly state in which one of inner ring and outer ring is assembled in a later stage. The retainer has pockets radially passing therethrough at predetermined intervals and columns between the adjacent pockets. The circumferential length of each column is so designed as to cause the biasing members, each having a spring force that allows reduction of drug, to exert a biasing force that is so strong that the torque transmission members are prevented by biasing by the biasing members from being dislocated in the sub-assembly state. The circumferential width of the engagement projection of the block bearing is smaller than of the groove. When a torque greater than a predetermined level is input, the retainer shifts by a distance equal to a gap between the engagement projection and the groove. | 03-03-2011 |
20110088988 | ONE-WAY CLUTCH - A one-way clutch includes an outer race, an inner race which is spaced from the outer race in an inside diameter direction and arranged concentrically so as to be relatively rotatable, a plurality of engaging members which are arranged between the outer race and the inner race to transmit a torque, and a cage which retains the engaging members. The one-way clutch is provided with volute springs which urge the engaging members in the direction in which the engaging members engage with a cam face of the outer race or the inner race. | 04-21-2011 |
20110108382 | ONE-WAY CLUTCH AND METHOD OF ASSEMBLING SUCH CLUTCH - The object is to stably support pillars forming a retainer of the roller type one-way clutch. An outer race ( | 05-12-2011 |
20110108383 | ONE-WAY CLUTCH RETAINER - 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. | 05-12-2011 |
20110127134 | DIFFERENTIALLY CONTROLLABLE TWO-WAY CLUTCH - A differentially controllable two-way clutch including an outer wheel with a cam portion on an inner circumference, an inner wheel arranged apart from the outer wheel and toward an inner diameter of the two-way clutch as well as rotatably and concentrically with respect to the outer wheel, a torque transmission member located between the outer wheel and the inner wheel to transmit torque, a cage configured to hold the torque transmission member and to be slidable in a circumferential direction and which is differentially controlled, and a spring supported by the cage and configured to be capable of biasing the torque transmission member so that the torque transmission member engages with a cam surface. | 06-02-2011 |
20110162933 | SEALED ONE WAY ROLLER CLUTCH - A one-way clutch assembly includes an inner race adapted to be fixed for rotation with a first rotatable member, an outer race having circumferentially spaced apart cam surfaces and being adapted to be fixed for rotation with a second rotatable member as well as a plurality of roller elements positioned therebetween. A plurality of circumferentially extending springs cooperate with the cage to align each roller element with the cam surfaces. The springs and cage urge the roller elements away from the inner race. A retaining mechanism captures lubricant in contact with the roller elements. | 07-07-2011 |
20110168511 | BICYCLE HUB ASSEMBLY - A hub shell of a hub assembly is rotatable about a fixed hub shaft. A power transmitting member is disposed within the hub shell. A pawl supporting member has at least one pawl member movable between an active position where the pawl member allows transmission of rotary power from the hub shell to the power transmitting member and an inactive position decoupling the pawl from one of the power transmitting member and the hub shell. A one way roller clutch assembly is coupled between the power transmitting member and the hub shell and is movable between an active position where the roller clutch assembly couples the power transmitting member to the hub shell to transmit rotary power from the power transmitting member to the hub shell and an inactive position decoupling the power transmitting member from the hub shell. | 07-14-2011 |
20110203893 | CLAMPING-ROLLER FREEWHEEL FOR AN ADJUSTMENT DEVICE IN A MOTOR VEHICLE - A clamping-roller freewheel for an adjustment device in a motor vehicle includes a housing, a cylindrical lateral surface that defines an axis, at least one roller, an output shaft that is central to the axis, and a clamping contour which is located on the side of the roller opposite from the cylindrical lateral surface and rotationally connected to the output shaft. The clamping contour is a double clamping contour. The roller is allocated to the double clamping contour. The double clamping contour has a left and a right clamping area. A clamping action arises due to the cooperation of the roller with the left or right clamping area, depending on the direction of rotation, and the cylindrical lateral surface. | 08-25-2011 |
20110226577 | FREEWHEEL FOR A CRANK-CVT TRANSMISSION - A freewheel, which has an inner ring, an outer ring that can be rotated relative to the inner ring in at least one rotational direction and which is disposed radially around the inner ring, a plurality of rolling bodies, which are disposed between the inner ring and the outer ring, and at least one rolling body suspension for suspending the rolling bodies in the direction of the inner ring. The rolling body suspension has a spring which overall has a circular shape and is adapted such that the rolling bodies are loaded radially inward in the radial direction of the freewheel. In a plane that is formed by the longitudinal direction and the radial direction of the freewheel, the spring has a substantially rectangular profile. | 09-22-2011 |
20110253497 | ONE WAY CLUTCH AND STATOR ASSEMBLY INCLUDING ONE WAY CLUTCH - A one way clutch comprises an outer race including pockets having a cam surface and projecting portions disposed inwardly in a radial direction and extending toward an inner race; the inner race disposed away from the outer race in an inner diameter direction, relatively rotatably disposed concentrically with the outer race, and having an outer peripheral surface; torque transmission members arranged in the pockets to transmit a torque between the cam surface of the outer race and the outer peripheral surface of the inner race; springs for urging the torque transmission members in such a direction that the torque transmission members mesh with the cam surface of the outer race; and bearing members arranged between the outer race and the inner race and interposed between the projecting portions of the outer race and the outer peripheral surface, of the inner race. | 10-20-2011 |
20120000741 | FREEWHEEL CLUTCH - A freewheel clutch which has rollers arranged between an inner and outer ring. One of the rings has ramps that interact with the rollers. Each roller is spring-loaded against a ramp by a leaf spring. Each spring is held on a web of a cage by a U-shaped section that encompasses the web. The spring has a securing section connected to the U-shaped section that extends tangentially, limits mobility of a roller in a first radial direction, and is connected to a U-bottom of the U-shaped section. An end section of a U-leg facing away from the U-bottom is bent from the U-leg, forming a second securing section, which limits mobility of the roller in the second radial direction. An extension of the end section facing the U-bottom engages the web such that the spring is held on the web radially by the U-bottom and extension of the end section. | 01-05-2012 |