An object of the present invention is to provide a cam clutch capable of switching from one operating mode to another and offering improved stability of clutch operations and high responsiveness. The object is achieved by an operating mode switching means (180) having a cam attitude change part (185) being drivable independently of rotation of the inner race (110) and outer race (120). A load support point (Sp) is located radially between a load application point (Ap) of the cam attitude change part (185) on the cam (140) and a distal contact point (Ep) of the cam (140) on a raceway positioned on a radially distal side relative to the load application point (Ap). The radial distance (d1) between the load application point (Ap) and the load support point (Sp) is larger than the radial distance (d2) between the load support point (Sp) and the distal contact point (Ep).

An object of the present invention is to provide a cam clutch capable of switching from one operating mode to another and offering improved stability of clutch operations and high responsiveness. The object is achieved by an operating mode switching means (180) having a cam attitude change part (185) being drivable independently of rotation of the inner race (110) and outer race (120). A load support point (Sp) is located radially between a load application point (Ap) of the cam attitude change part (185) on the cam (140) and a distal contact point (Ep) of the cam (140) on a raceway positioned on a radially distal side relative to the load application point (Ap). The radial distance (d1) between the load application point (Ap) and the load support point (Sp) is larger than the radial distance (d2) between the load support point (Sp) and the distal contact point (Ep).

A clutch carrier assembly for a transmission comprising: an axis of rotation, a clutch carrier outer ring concentric about the axis of rotation and having: an outer surface including undulating peaks; and, an inner surface including an axially extending stiffening rib portion; and, an outer race having a radially outward protrusion including a notch arranged for receiving and retaining the axially extending stiffening rib portion.

A clutch carrier assembly for a transmission comprising: an axis of rotation, a clutch carrier outer ring concentric about the axis of rotation and having: an outer surface including undulating peaks; and, an inner surface including an axially extending stiffening rib portion; and, an outer race having a radially outward protrusion including a notch arranged for receiving and retaining the axially extending stiffening rib portion.

A sprag one-way clutch (OWC) used within a cassette driver of the rear hub assembly of a bicycle. The new cassette driver delivers improved performance the reduction of rotation of the crank arm required before engagement within the cassette driver when the cyclist applies force to the pedals. Additionally, the sprag clutch smooth engagement minimizes friction loss during free-wheeling, therefore increasing drivetrain efficiency. These enhancements provide both safety and performance benefits by giving the cyclist greater control in moving between pedaling and free-wheeling. The current cassette driver design utilizes a sprag OWC for engagement without any modifications to current bicycle designs. A sprag cage may be used to provide a framework to support and properly position the sprags.

To provide a cam clutch including an outer ring, an inner ring provided inside of the outer ring, a plurality of cams inserted between the outer ring and the inner ring, and an annular spring. A line connecting a first abutment portion between the outer ring and each of the cams and a second abutment portion between the inner ring and the cam and a line passing the second abutment portion form an angle in a state with the cams engaging with the outer ring and the inner ring. Rotation of the outer ring and the inner ring is enabled in the respective one directions while rotation thereof is restricted in the respective other directions. A groove is formed on an inner periphery of the outer ring or an outer periphery of the inner ring.

To provide a cam clutch including an outer ring, an inner ring provided inside of the outer ring, a plurality of cams inserted between the outer ring and the inner ring, and an annular spring. A line connecting a first abutment portion between the outer ring and each of the cams and a second abutment portion between the inner ring and the cam and a line passing the second abutment portion form an angle in a state with the cams engaging with the outer ring and the inner ring. Rotation of the outer ring and the inner ring is enabled in the respective one directions while rotation thereof is restricted in the respective other directions. A groove is formed on an inner periphery of the outer ring or an outer periphery of the inner ring.

A one-way clutch 1 includes: an inner race 3; an outer race 5; a plurality of cams 7 interposed between an inner race outer peripheral surface 11 and an outer race inner peripheral surface 13 and serving to transfer a torque to between the inner race 3 and the outer race 5; a retaining mechanism retaining the plurality of cams 7; and a spring member 15 biasing the plurality of cams 7 to torque non-transfer positions, and the retaining mechanism includes a first retainer 9 fixed to the outer race 5 and having a cylindrical retaining portion 21 retaining the plurality of cams 7 at a predetermined interval in a circumferential direction, and a second retainer 29 disposed on an inner diametrical side of the cylindrical retaining portion 21, retaining the plurality of cams 7 in a swingable manner, and elastically deformable corresponding to the swings of the plurality of cams 7 when swinging in a torque transferring direction upon engagements of the plurality of cams 7 with the inner race outer peripheral surface 11 and the outer race inner peripheral surface 13.

A one-way clutch 1 includes: an inner race 3; an outer race 5; a plurality of cams 7 interposed between an inner race outer peripheral surface 11 and an outer race inner peripheral surface 13 and serving to transfer a torque to between the inner race 3 and the outer race 5; a retaining mechanism retaining the plurality of cams 7; and a spring member 15 biasing the plurality of cams 7 to torque non-transfer positions, and the retaining mechanism includes a first retainer 9 fixed to the outer race 5 and having a cylindrical retaining portion 21 retaining the plurality of cams 7 at a predetermined interval in a circumferential direction, and a second retainer 29 disposed on an inner diametrical side of the cylindrical retaining portion 21, retaining the plurality of cams 7 in a swingable manner, and elastically deformable corresponding to the swings of the plurality of cams 7 when swinging in a torque transferring direction upon engagements of the plurality of cams 7 with the inner race outer peripheral surface 11 and the outer race inner peripheral surface 13.

A drive assembly having a rotator system and including a drive pulley, a driven pulley spaced apart from the drive pulley, a drive belt, a rotator pulley, and a rotator belt. The driven pulley supports a tool assembly, and the drive belt is connected to the drive pulley and the driven pulley. The drive belt is selectively tensioned to couple the drive pulley and the driven pulley so that rotation of the drive pulley causes the driven pulley to rotate and de-tensioned to decouple the drive pulley and the driven pulley allowing the drive pulley to rotate without causing the driven pulley to rotate. The rotator belt couples the rotator pulley and the driven pulley in a way that when the drive belt is decoupled from the drive pulley and the driven pulley rotation of the rotator pulley causes the driven pulley and the tool assembly to rotate.