Class / Patent application number | Description | Number of patent applications / Date published |
192093000 | Cam | 23 |
20080308382 | POWER TRANSMITTING APPARATUS - A power transmitting apparatus can comprise a clutch housing, a plurality of driving clutch plates, a plurality of driven clutch plates movable for carrying out the pressure-contact or release relative to the driving clutch plates, a clutch member, a pressure member, pressure-contact assisting cam, back-torque limiting cam characterized in that one set of cam surfaces of the pressure-contact assisting cam or the back-torque limiting cam are arranged so that they extend along a circumferential edge of the clutch member. A crowning can be formed on one set of cam surfaces in their extending direction and/or their width direction. | 12-18-2008 |
20090008213 | Boom Pole - The present invention relates to a locking means ( | 01-08-2009 |
20090071792 | POWER TRANSMITTING APPARATUS - A power transmitting apparatus can comprise a clutch housing rotatable together with an input member and supporting a plurality of driving clutch plates. A clutch member can support a plurality of driven clutch plates alternately arranged between the driving clutch plates via spline fitting and connected to an output member. A pressure member can be mounted on the clutch member so as to be axially movable therealong so as to accommodate pressure-contact and release of the driving clutch plates and the driven clutch plates. Back-torque limiting cams can be configured to release the connection between the driving clutch plates and the driven clutch plates when the rotation speed of the output member has exceeded that of the input member. A rotational force input to the input member can be transmitted to the output member by pressure-contacting the driving clutch plates and the driven clutch plates. The power transmitting apparatus can also comprise a limiting device for limiting a movement of the pressure member toward a direction away from the clutch member. | 03-19-2009 |
20090236197 | Two-Speed Transfer Case With Ballramp Clutch Actuator - A transfer case is provided with a range unit, an interaxle differential, a clutch assembly and a power-operated actuation mechanism. The range unit includes a planetary gearset driven by an input shaft, and a synchronized dog clutch assembly for releasably coupling one of the input shaft or an output component of the planetary gearset to an input member of the interaxle differential. The interaxle differential further includes a first output member driving a first output shaft, a second output member operably driving a second output shaft. The clutch assembly is a multi-plate friction clutch operably disposed between the first and second output shafts. The power-operated actuation mechanism includes a range actuator assembly, a clutch actuator assembly and a motor assembly operable to control coordinated actuation of the range actuator assembly and the clutch actuator assembly. | 09-24-2009 |
20130092502 | CLUTCH DEVICE - A clutch device includes; i) a clutch mechanism including a friction engagement member capable of rotating relative to a rotating member and a clutch member that is supplied with restoration force in a direction in which the clutch member departs from the friction engagement member by a restoration spring; and ii) a cam mechanism including; a cam member that is arranged in parallel to the clutch mechanism along a rotation axis line of the rotating member and that is incapable of rotating relative to the rotating member; and a cam follower capable of rolling on a cam surface that exists between the cam member and the clutch member. The cam angle is set to make torque applied to the clutch member due to reaction force accompanied by friction engagement with the friction engagement member larger than torque applied to the clutch member by thrust force caused by an activation of the cam mechanism. | 04-18-2013 |
20130118859 | LIMITING TORQUE CLUTCH IN AN INPUT DAMPER - 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. | 05-16-2013 |
20130146417 | ACTUATOR FOR CLUTCH - An actuator apparatus for a clutch that operates the clutch of a transmission according to operation of a motor, may include the motor including a stator and a rotator, wherein the rotator has a drive shaft and a rotator core receiving the drive shaft therein, a lead screw engaged to the drive shaft of the motor and movable in a length direction thereof according to the operation of the drive shaft in the motor, a rod disposed apart from the lead screw, a slider connecting the lead screw with the rod, and a guide rail disposed to contact with the slider and guiding a linear motion of the slider. | 06-13-2013 |
20150027847 | CLUTCH UNIT - A clutch unit for a motor vehicle comprises a friction clutch and an actuator for actuating the friction clutch, the actuator having a first ramp ring and a second ramp ring, of which at least one can be rotated relative to the other ramp ring, in order to exert an axial force on the friction clutch. Furthermore, the clutch unit comprises a metering device for feeding a cooling fluid in a metered manner to the friction clutch. The metering device has a first metering section which is assigned to the first ramp ring, and a second metering section which is assigned to the second ramp ring, the first metering section and the second metering section together delimiting a metering opening for the cooling fluid. The first metering section and the second metering section interact in such a way that the cross section of the metering opening, which cross section is delimited by the metering sections, can be varied by way of a relative rotation of the ramp rings. | 01-29-2015 |
20100078289 | MULTIPLE DISC CLUTCH - A multiple disc clutch includes a pressing member that can be axially moved and that is turned together with an output shaft so as to compress driving friction plates and driven friction plates, a ringed set plate is provided on a side of the pressing member so as to receive a load by a clutch spring that axially presses the pressing member and a cam plate fixed to the pressing member so as to enable increasing or reducing frictional fitting force of the driving friction plates and the driven friction plates. The area for receiving the set plate is extended using a minimum number of parts, preventing a shape of the pressing member from being intricate and strength for supporting the set plate is enhanced. A part of the set plate axially touches the cam plate. | 04-01-2010 |
20100187067 | ACTUATING MECHANISM FOR ENGAGING AND DISENGAGING A SEPARATING CLUTCH, WITH ROTATABLE CAM SEGMENT - The invention relates to an actuating mechanism for engaging and disengaging a separating clutch of a single-clutch or multiple-clutch transmission, which has a housing, for a motor vehicle, having: an actuating drive; a cam segment which has a curved recess and which is rotatable about a first bearing, said first bearing being fixed with respect to the housing, and which can be rotated by the actuating drive in an engagement rotational direction or a disengagement rotational direction; and an engagement fork which is rotatable about a second bearing, said second bearing being fixed with respect to the housing, and which is coupled at one side of the fork to the cam segment by means of a cam follower and which can be coupled on an opposite side of the fork to the separating clutch in such a way that the separating clutch is closed in the event of a rotation of the cam segment in the engagement rotational direction and the separating clutch is opened in the event of a rotation of the cam segment in the disengagement rotational direction. The cam follower engages into the curved recess and being guided by a contour of the curved recess in the event of a rotation of the cam segment; with the contour being shaped such that the cam follower is offset in a radial direction of the cam segment in the event of an actuation of the actuating drive (FIG. | 07-29-2010 |
20090107797 | Clutch Operation Assisting Device, Power Unit for Vehicle and Straddle Type Vehicle Including the Same - A downsized power unit equipped with a clutch operation-assisting device that reduces operation force of a clutch lever. The clutch operation-assisting device includes a push shaft and a first rotation plate that is rotatably supported by a support plate and connected to a clutch wire, and slides the push shaft by rotation. The first rotation plate and a second rotation plate are connected by gear. The second rotation plate is rotatably supported by a bearing member fixed to the support plate. A spring unit that provides assisting force in a direction to disengage a friction clutch is connected to the second rotation plate by pin. The spring unit, as seen from a shaft direction of the push shaft, is disposed so that an extension direction of an auxiliary spring does not pass through a rotation center of a pressure plate. | 04-30-2009 |
20090127062 | CLUTCH DRIVE APPARATUS AND VEHICLE EQUIPPED WITH THE SAME - A clutch drive apparatus includes a clutch actuator and a drive force transmission mechanism that transmits the drive force of the clutch actuator to the clutch. The drive force transmission mechanism includes a case body and a case cover that is closed on the case body and supports the clutch actuator and a worm shaft. An opening is formed in the case cover to expose a marker member that determines a reference position of an auxiliary elastic body. A maintenance lid for covering the opening is mounted in a vehicle head pipe. | 05-21-2009 |
20090127063 | CLUTCH DRIVE DEVICE AND VEHICLE EQUIPPED WITH THE SAME - A clutch drive device includes an actuator for generating a drive force for driving a clutch, a first solid of revolution, a mechanism for transmitting the drive force of the actuator to the clutch, and an assist spring unit having one end pivotally supported and another end abutting on the solid of revolution. An abutment structure in which the first solid of revolution abuts on the assist spring unit is configured so that an urging force of the assist spring does not act in a direction of rotating the first solid of revolution at least at one position in a play area in which the clutch is not disengaged even if the first solid of revolution rotates. | 05-21-2009 |
20090211872 | APPARATUS AND SYSTEM FOR A TORQUE RESPONSIVE CLUTCH - An improved apparatus for varying the pressure applied to a clutch system that can be used to couple a rotational input with a rotational output. Depending on the load and direction of torque in the clutch system, the improved apparatus will engage a spring with more force or less force to affect the amount of torque transferred by the clutch system and the force required by an operator to manually disengage the clutch system. | 08-27-2009 |
20090260945 | PRESTRESSING UNIT - A prestressing unit which has a first ramp disk and a second ramp disk. Ramp contours are formed in one side of an annular face of the ramp disks. In the prestressing unit, the rolling bodies ascend and/or descend on the ramp contours as a result of rotational pivoting of one of the ramp disks in relation to the other ramp disk about an axis. The ramp contours are each formed as a single-part running face for the rolling bodies. The running face is inclined with respect to the axis. | 10-22-2009 |
20090308710 | GEAR-SHIFTING STRUCTURE FOR VEHICLE - A gear-shifting structure is provided for a vehicle. The vehicle includes a transmission box that contains therein a gear train, a clutch, a switching fork, a gear-shifting hub, and a motor. The motor cooperates with a worm shaft to actuate the clutching operation of the clutch and to cause movement of the gear-shifting hub in order to carry out the gear shifting operation. The motor has a rotary member that drives the worm shaft on which a worm and a cam are mounted. To effect gear shifting, the motor drives the worm shaft to have the cam abut and displace the clutch and at the same time, the worm drives the gear-shifting hub to thus realize the operation of gear shifting. | 12-17-2009 |
20100012455 | Power divider for motor vehicles comprising a controlled friction coupling - The invention relates to a power divider for motor vehicles, comprising a housing ( | 01-21-2010 |
20100206686 | Gearbox Output Switcher - A gear switching mechanism for a printing machine comprises at least one pair of input and driven gears, each pair rotationally mounted on a corresponding common axle. The input gear of each pair may be coupled to a common drive, while each driven gear is coupled to a separate output. A rotational gear coupling is mounted to translate along each axle to selectively engage and disengage the corresponding pair of input and driven gears. The rotational gear coupling includes a cam follower that slides along a cam profile of a cam shuttle. The shuttle defines a cam profile that is normal to the common axles. In one embodiment, the cam shuttle translates linearly, while in another embodiment, the shuttle rotates. The cam profile is configured to selectively engage and disengage the rotational couplings of each pair of input and driven gears. | 08-19-2010 |
20110100780 | BIASING DEVICE - Disclosed is a biasing device comprising a first ramp disc and a second ramp disc, a plurality of ramp contours being formed in one side of an annular surface of each of said ramp discs. Through a slewing of one of the two ramp discs relative to the other, non-slewing ramp disc about an axis, the rolling elements ascend and/or descend along the ramp contours. At least the first ramp disk, the cage and the second ramp disc are inserted into a retaining pot that is connected rotationally fast to a housing through at least one retaining element. For axial guidance, a plurality of rolling elements is arranged between the retaining pot and the non-slewing ramp disc. | 05-05-2011 |
20120234646 | CLUTCH PACK TRAVEL COMPENSATOR FOR REDUCED DRAG - A clutch control assembly for a transmission, including a piston plate including a first side having a first circumferentially aligned and axially extending ramp, and a second side. The assembly includes an adjustment ring in contact with the first ramp, and at least one rotary piston with a first end fixed to the adjustment ring. In response to a first force applied to the second radially disposed side and the at least one rotary piston, the at least one rotary piston is displaceable to urge the adjustment ring in a first circumferential direction along the first ramp such that the adjustment rings displaces in a first axial direction away from the piston plate. | 09-20-2012 |
20130140130 | CLUTCH ASSEMBLY - The invention relates to a clutch assembly ( | 06-06-2013 |
20140083813 | CLUTCH - A clutch includes a first clutch part connected to a drive shaft, a second clutch part connected to an output shaft and a pressure element arranged between the clutch parts, wherein a reinforcement mechanism is provided in a force flow zone between the pressure element and the second clutch part, which mechanism has ramps to generate an axial servo force for pressing the pressure element against the first clutch part. | 03-27-2014 |
20140346005 | BALL AND RAMP DEVICE FOR A TOROIDAL VARIATOR - The ball and ramp device for a toroidal variator includes a first disc and a second disc and a plurality of rolling elements disposed between ramps provided on the discs and extending along the circumferential direction. One of the discs provides a plate having the ramps, a ring delimiting an outer toroidal raceway and an intermediate supporting part axially interposed between said ring and the plate. | 11-27-2014 |
192093000 | Axially thrusting cams rotatable about clutch axis | 13 |
20080308382 | POWER TRANSMITTING APPARATUS - A power transmitting apparatus can comprise a clutch housing, a plurality of driving clutch plates, a plurality of driven clutch plates movable for carrying out the pressure-contact or release relative to the driving clutch plates, a clutch member, a pressure member, pressure-contact assisting cam, back-torque limiting cam characterized in that one set of cam surfaces of the pressure-contact assisting cam or the back-torque limiting cam are arranged so that they extend along a circumferential edge of the clutch member. A crowning can be formed on one set of cam surfaces in their extending direction and/or their width direction. | 12-18-2008 |
20090008213 | Boom Pole - The present invention relates to a locking means ( | 01-08-2009 |
20090071792 | POWER TRANSMITTING APPARATUS - A power transmitting apparatus can comprise a clutch housing rotatable together with an input member and supporting a plurality of driving clutch plates. A clutch member can support a plurality of driven clutch plates alternately arranged between the driving clutch plates via spline fitting and connected to an output member. A pressure member can be mounted on the clutch member so as to be axially movable therealong so as to accommodate pressure-contact and release of the driving clutch plates and the driven clutch plates. Back-torque limiting cams can be configured to release the connection between the driving clutch plates and the driven clutch plates when the rotation speed of the output member has exceeded that of the input member. A rotational force input to the input member can be transmitted to the output member by pressure-contacting the driving clutch plates and the driven clutch plates. The power transmitting apparatus can also comprise a limiting device for limiting a movement of the pressure member toward a direction away from the clutch member. | 03-19-2009 |
20090236197 | Two-Speed Transfer Case With Ballramp Clutch Actuator - A transfer case is provided with a range unit, an interaxle differential, a clutch assembly and a power-operated actuation mechanism. The range unit includes a planetary gearset driven by an input shaft, and a synchronized dog clutch assembly for releasably coupling one of the input shaft or an output component of the planetary gearset to an input member of the interaxle differential. The interaxle differential further includes a first output member driving a first output shaft, a second output member operably driving a second output shaft. The clutch assembly is a multi-plate friction clutch operably disposed between the first and second output shafts. The power-operated actuation mechanism includes a range actuator assembly, a clutch actuator assembly and a motor assembly operable to control coordinated actuation of the range actuator assembly and the clutch actuator assembly. | 09-24-2009 |
20130092502 | CLUTCH DEVICE - A clutch device includes; i) a clutch mechanism including a friction engagement member capable of rotating relative to a rotating member and a clutch member that is supplied with restoration force in a direction in which the clutch member departs from the friction engagement member by a restoration spring; and ii) a cam mechanism including; a cam member that is arranged in parallel to the clutch mechanism along a rotation axis line of the rotating member and that is incapable of rotating relative to the rotating member; and a cam follower capable of rolling on a cam surface that exists between the cam member and the clutch member. The cam angle is set to make torque applied to the clutch member due to reaction force accompanied by friction engagement with the friction engagement member larger than torque applied to the clutch member by thrust force caused by an activation of the cam mechanism. | 04-18-2013 |
20130118859 | LIMITING TORQUE CLUTCH IN AN INPUT DAMPER - 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. | 05-16-2013 |
20130146417 | ACTUATOR FOR CLUTCH - An actuator apparatus for a clutch that operates the clutch of a transmission according to operation of a motor, may include the motor including a stator and a rotator, wherein the rotator has a drive shaft and a rotator core receiving the drive shaft therein, a lead screw engaged to the drive shaft of the motor and movable in a length direction thereof according to the operation of the drive shaft in the motor, a rod disposed apart from the lead screw, a slider connecting the lead screw with the rod, and a guide rail disposed to contact with the slider and guiding a linear motion of the slider. | 06-13-2013 |
20150027847 | CLUTCH UNIT - A clutch unit for a motor vehicle comprises a friction clutch and an actuator for actuating the friction clutch, the actuator having a first ramp ring and a second ramp ring, of which at least one can be rotated relative to the other ramp ring, in order to exert an axial force on the friction clutch. Furthermore, the clutch unit comprises a metering device for feeding a cooling fluid in a metered manner to the friction clutch. The metering device has a first metering section which is assigned to the first ramp ring, and a second metering section which is assigned to the second ramp ring, the first metering section and the second metering section together delimiting a metering opening for the cooling fluid. The first metering section and the second metering section interact in such a way that the cross section of the metering opening, which cross section is delimited by the metering sections, can be varied by way of a relative rotation of the ramp rings. | 01-29-2015 |
20100078289 | MULTIPLE DISC CLUTCH - A multiple disc clutch includes a pressing member that can be axially moved and that is turned together with an output shaft so as to compress driving friction plates and driven friction plates, a ringed set plate is provided on a side of the pressing member so as to receive a load by a clutch spring that axially presses the pressing member and a cam plate fixed to the pressing member so as to enable increasing or reducing frictional fitting force of the driving friction plates and the driven friction plates. The area for receiving the set plate is extended using a minimum number of parts, preventing a shape of the pressing member from being intricate and strength for supporting the set plate is enhanced. A part of the set plate axially touches the cam plate. | 04-01-2010 |
20100187067 | ACTUATING MECHANISM FOR ENGAGING AND DISENGAGING A SEPARATING CLUTCH, WITH ROTATABLE CAM SEGMENT - The invention relates to an actuating mechanism for engaging and disengaging a separating clutch of a single-clutch or multiple-clutch transmission, which has a housing, for a motor vehicle, having: an actuating drive; a cam segment which has a curved recess and which is rotatable about a first bearing, said first bearing being fixed with respect to the housing, and which can be rotated by the actuating drive in an engagement rotational direction or a disengagement rotational direction; and an engagement fork which is rotatable about a second bearing, said second bearing being fixed with respect to the housing, and which is coupled at one side of the fork to the cam segment by means of a cam follower and which can be coupled on an opposite side of the fork to the separating clutch in such a way that the separating clutch is closed in the event of a rotation of the cam segment in the engagement rotational direction and the separating clutch is opened in the event of a rotation of the cam segment in the disengagement rotational direction. The cam follower engages into the curved recess and being guided by a contour of the curved recess in the event of a rotation of the cam segment; with the contour being shaped such that the cam follower is offset in a radial direction of the cam segment in the event of an actuation of the actuating drive (FIG. | 07-29-2010 |
20090107797 | Clutch Operation Assisting Device, Power Unit for Vehicle and Straddle Type Vehicle Including the Same - A downsized power unit equipped with a clutch operation-assisting device that reduces operation force of a clutch lever. The clutch operation-assisting device includes a push shaft and a first rotation plate that is rotatably supported by a support plate and connected to a clutch wire, and slides the push shaft by rotation. The first rotation plate and a second rotation plate are connected by gear. The second rotation plate is rotatably supported by a bearing member fixed to the support plate. A spring unit that provides assisting force in a direction to disengage a friction clutch is connected to the second rotation plate by pin. The spring unit, as seen from a shaft direction of the push shaft, is disposed so that an extension direction of an auxiliary spring does not pass through a rotation center of a pressure plate. | 04-30-2009 |
20090127062 | CLUTCH DRIVE APPARATUS AND VEHICLE EQUIPPED WITH THE SAME - A clutch drive apparatus includes a clutch actuator and a drive force transmission mechanism that transmits the drive force of the clutch actuator to the clutch. The drive force transmission mechanism includes a case body and a case cover that is closed on the case body and supports the clutch actuator and a worm shaft. An opening is formed in the case cover to expose a marker member that determines a reference position of an auxiliary elastic body. A maintenance lid for covering the opening is mounted in a vehicle head pipe. | 05-21-2009 |
20090127063 | CLUTCH DRIVE DEVICE AND VEHICLE EQUIPPED WITH THE SAME - A clutch drive device includes an actuator for generating a drive force for driving a clutch, a first solid of revolution, a mechanism for transmitting the drive force of the actuator to the clutch, and an assist spring unit having one end pivotally supported and another end abutting on the solid of revolution. An abutment structure in which the first solid of revolution abuts on the assist spring unit is configured so that an urging force of the assist spring does not act in a direction of rotating the first solid of revolution at least at one position in a play area in which the clutch is not disengaged even if the first solid of revolution rotates. | 05-21-2009 |
20090211872 | APPARATUS AND SYSTEM FOR A TORQUE RESPONSIVE CLUTCH - An improved apparatus for varying the pressure applied to a clutch system that can be used to couple a rotational input with a rotational output. Depending on the load and direction of torque in the clutch system, the improved apparatus will engage a spring with more force or less force to affect the amount of torque transferred by the clutch system and the force required by an operator to manually disengage the clutch system. | 08-27-2009 |
20090260945 | PRESTRESSING UNIT - A prestressing unit which has a first ramp disk and a second ramp disk. Ramp contours are formed in one side of an annular face of the ramp disks. In the prestressing unit, the rolling bodies ascend and/or descend on the ramp contours as a result of rotational pivoting of one of the ramp disks in relation to the other ramp disk about an axis. The ramp contours are each formed as a single-part running face for the rolling bodies. The running face is inclined with respect to the axis. | 10-22-2009 |
20090308710 | GEAR-SHIFTING STRUCTURE FOR VEHICLE - A gear-shifting structure is provided for a vehicle. The vehicle includes a transmission box that contains therein a gear train, a clutch, a switching fork, a gear-shifting hub, and a motor. The motor cooperates with a worm shaft to actuate the clutching operation of the clutch and to cause movement of the gear-shifting hub in order to carry out the gear shifting operation. The motor has a rotary member that drives the worm shaft on which a worm and a cam are mounted. To effect gear shifting, the motor drives the worm shaft to have the cam abut and displace the clutch and at the same time, the worm drives the gear-shifting hub to thus realize the operation of gear shifting. | 12-17-2009 |
20100012455 | Power divider for motor vehicles comprising a controlled friction coupling - The invention relates to a power divider for motor vehicles, comprising a housing ( | 01-21-2010 |
20100206686 | Gearbox Output Switcher - A gear switching mechanism for a printing machine comprises at least one pair of input and driven gears, each pair rotationally mounted on a corresponding common axle. The input gear of each pair may be coupled to a common drive, while each driven gear is coupled to a separate output. A rotational gear coupling is mounted to translate along each axle to selectively engage and disengage the corresponding pair of input and driven gears. The rotational gear coupling includes a cam follower that slides along a cam profile of a cam shuttle. The shuttle defines a cam profile that is normal to the common axles. In one embodiment, the cam shuttle translates linearly, while in another embodiment, the shuttle rotates. The cam profile is configured to selectively engage and disengage the rotational couplings of each pair of input and driven gears. | 08-19-2010 |
20110100780 | BIASING DEVICE - Disclosed is a biasing device comprising a first ramp disc and a second ramp disc, a plurality of ramp contours being formed in one side of an annular surface of each of said ramp discs. Through a slewing of one of the two ramp discs relative to the other, non-slewing ramp disc about an axis, the rolling elements ascend and/or descend along the ramp contours. At least the first ramp disk, the cage and the second ramp disc are inserted into a retaining pot that is connected rotationally fast to a housing through at least one retaining element. For axial guidance, a plurality of rolling elements is arranged between the retaining pot and the non-slewing ramp disc. | 05-05-2011 |
20120234646 | CLUTCH PACK TRAVEL COMPENSATOR FOR REDUCED DRAG - A clutch control assembly for a transmission, including a piston plate including a first side having a first circumferentially aligned and axially extending ramp, and a second side. The assembly includes an adjustment ring in contact with the first ramp, and at least one rotary piston with a first end fixed to the adjustment ring. In response to a first force applied to the second radially disposed side and the at least one rotary piston, the at least one rotary piston is displaceable to urge the adjustment ring in a first circumferential direction along the first ramp such that the adjustment rings displaces in a first axial direction away from the piston plate. | 09-20-2012 |
20130140130 | CLUTCH ASSEMBLY - The invention relates to a clutch assembly ( | 06-06-2013 |
20140083813 | CLUTCH - A clutch includes a first clutch part connected to a drive shaft, a second clutch part connected to an output shaft and a pressure element arranged between the clutch parts, wherein a reinforcement mechanism is provided in a force flow zone between the pressure element and the second clutch part, which mechanism has ramps to generate an axial servo force for pressing the pressure element against the first clutch part. | 03-27-2014 |
20140346005 | BALL AND RAMP DEVICE FOR A TOROIDAL VARIATOR - The ball and ramp device for a toroidal variator includes a first disc and a second disc and a plurality of rolling elements disposed between ramps provided on the discs and extending along the circumferential direction. One of the discs provides a plate having the ramps, a ring delimiting an outer toroidal raceway and an intermediate supporting part axially interposed between said ring and the plate. | 11-27-2014 |
192093000 | Axially moving cam acting on pivoted lever | 2 |
20080308382 | POWER TRANSMITTING APPARATUS - A power transmitting apparatus can comprise a clutch housing, a plurality of driving clutch plates, a plurality of driven clutch plates movable for carrying out the pressure-contact or release relative to the driving clutch plates, a clutch member, a pressure member, pressure-contact assisting cam, back-torque limiting cam characterized in that one set of cam surfaces of the pressure-contact assisting cam or the back-torque limiting cam are arranged so that they extend along a circumferential edge of the clutch member. A crowning can be formed on one set of cam surfaces in their extending direction and/or their width direction. | 12-18-2008 |
20090008213 | Boom Pole - The present invention relates to a locking means ( | 01-08-2009 |
20090071792 | POWER TRANSMITTING APPARATUS - A power transmitting apparatus can comprise a clutch housing rotatable together with an input member and supporting a plurality of driving clutch plates. A clutch member can support a plurality of driven clutch plates alternately arranged between the driving clutch plates via spline fitting and connected to an output member. A pressure member can be mounted on the clutch member so as to be axially movable therealong so as to accommodate pressure-contact and release of the driving clutch plates and the driven clutch plates. Back-torque limiting cams can be configured to release the connection between the driving clutch plates and the driven clutch plates when the rotation speed of the output member has exceeded that of the input member. A rotational force input to the input member can be transmitted to the output member by pressure-contacting the driving clutch plates and the driven clutch plates. The power transmitting apparatus can also comprise a limiting device for limiting a movement of the pressure member toward a direction away from the clutch member. | 03-19-2009 |
20090236197 | Two-Speed Transfer Case With Ballramp Clutch Actuator - A transfer case is provided with a range unit, an interaxle differential, a clutch assembly and a power-operated actuation mechanism. The range unit includes a planetary gearset driven by an input shaft, and a synchronized dog clutch assembly for releasably coupling one of the input shaft or an output component of the planetary gearset to an input member of the interaxle differential. The interaxle differential further includes a first output member driving a first output shaft, a second output member operably driving a second output shaft. The clutch assembly is a multi-plate friction clutch operably disposed between the first and second output shafts. The power-operated actuation mechanism includes a range actuator assembly, a clutch actuator assembly and a motor assembly operable to control coordinated actuation of the range actuator assembly and the clutch actuator assembly. | 09-24-2009 |
20130092502 | CLUTCH DEVICE - A clutch device includes; i) a clutch mechanism including a friction engagement member capable of rotating relative to a rotating member and a clutch member that is supplied with restoration force in a direction in which the clutch member departs from the friction engagement member by a restoration spring; and ii) a cam mechanism including; a cam member that is arranged in parallel to the clutch mechanism along a rotation axis line of the rotating member and that is incapable of rotating relative to the rotating member; and a cam follower capable of rolling on a cam surface that exists between the cam member and the clutch member. The cam angle is set to make torque applied to the clutch member due to reaction force accompanied by friction engagement with the friction engagement member larger than torque applied to the clutch member by thrust force caused by an activation of the cam mechanism. | 04-18-2013 |
20130118859 | LIMITING TORQUE CLUTCH IN AN INPUT DAMPER - 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. | 05-16-2013 |
20130146417 | ACTUATOR FOR CLUTCH - An actuator apparatus for a clutch that operates the clutch of a transmission according to operation of a motor, may include the motor including a stator and a rotator, wherein the rotator has a drive shaft and a rotator core receiving the drive shaft therein, a lead screw engaged to the drive shaft of the motor and movable in a length direction thereof according to the operation of the drive shaft in the motor, a rod disposed apart from the lead screw, a slider connecting the lead screw with the rod, and a guide rail disposed to contact with the slider and guiding a linear motion of the slider. | 06-13-2013 |
20150027847 | CLUTCH UNIT - A clutch unit for a motor vehicle comprises a friction clutch and an actuator for actuating the friction clutch, the actuator having a first ramp ring and a second ramp ring, of which at least one can be rotated relative to the other ramp ring, in order to exert an axial force on the friction clutch. Furthermore, the clutch unit comprises a metering device for feeding a cooling fluid in a metered manner to the friction clutch. The metering device has a first metering section which is assigned to the first ramp ring, and a second metering section which is assigned to the second ramp ring, the first metering section and the second metering section together delimiting a metering opening for the cooling fluid. The first metering section and the second metering section interact in such a way that the cross section of the metering opening, which cross section is delimited by the metering sections, can be varied by way of a relative rotation of the ramp rings. | 01-29-2015 |
20100078289 | MULTIPLE DISC CLUTCH - A multiple disc clutch includes a pressing member that can be axially moved and that is turned together with an output shaft so as to compress driving friction plates and driven friction plates, a ringed set plate is provided on a side of the pressing member so as to receive a load by a clutch spring that axially presses the pressing member and a cam plate fixed to the pressing member so as to enable increasing or reducing frictional fitting force of the driving friction plates and the driven friction plates. The area for receiving the set plate is extended using a minimum number of parts, preventing a shape of the pressing member from being intricate and strength for supporting the set plate is enhanced. A part of the set plate axially touches the cam plate. | 04-01-2010 |
20100187067 | ACTUATING MECHANISM FOR ENGAGING AND DISENGAGING A SEPARATING CLUTCH, WITH ROTATABLE CAM SEGMENT - The invention relates to an actuating mechanism for engaging and disengaging a separating clutch of a single-clutch or multiple-clutch transmission, which has a housing, for a motor vehicle, having: an actuating drive; a cam segment which has a curved recess and which is rotatable about a first bearing, said first bearing being fixed with respect to the housing, and which can be rotated by the actuating drive in an engagement rotational direction or a disengagement rotational direction; and an engagement fork which is rotatable about a second bearing, said second bearing being fixed with respect to the housing, and which is coupled at one side of the fork to the cam segment by means of a cam follower and which can be coupled on an opposite side of the fork to the separating clutch in such a way that the separating clutch is closed in the event of a rotation of the cam segment in the engagement rotational direction and the separating clutch is opened in the event of a rotation of the cam segment in the disengagement rotational direction. The cam follower engages into the curved recess and being guided by a contour of the curved recess in the event of a rotation of the cam segment; with the contour being shaped such that the cam follower is offset in a radial direction of the cam segment in the event of an actuation of the actuating drive (FIG. | 07-29-2010 |
20090107797 | Clutch Operation Assisting Device, Power Unit for Vehicle and Straddle Type Vehicle Including the Same - A downsized power unit equipped with a clutch operation-assisting device that reduces operation force of a clutch lever. The clutch operation-assisting device includes a push shaft and a first rotation plate that is rotatably supported by a support plate and connected to a clutch wire, and slides the push shaft by rotation. The first rotation plate and a second rotation plate are connected by gear. The second rotation plate is rotatably supported by a bearing member fixed to the support plate. A spring unit that provides assisting force in a direction to disengage a friction clutch is connected to the second rotation plate by pin. The spring unit, as seen from a shaft direction of the push shaft, is disposed so that an extension direction of an auxiliary spring does not pass through a rotation center of a pressure plate. | 04-30-2009 |
20090127062 | CLUTCH DRIVE APPARATUS AND VEHICLE EQUIPPED WITH THE SAME - A clutch drive apparatus includes a clutch actuator and a drive force transmission mechanism that transmits the drive force of the clutch actuator to the clutch. The drive force transmission mechanism includes a case body and a case cover that is closed on the case body and supports the clutch actuator and a worm shaft. An opening is formed in the case cover to expose a marker member that determines a reference position of an auxiliary elastic body. A maintenance lid for covering the opening is mounted in a vehicle head pipe. | 05-21-2009 |
20090127063 | CLUTCH DRIVE DEVICE AND VEHICLE EQUIPPED WITH THE SAME - A clutch drive device includes an actuator for generating a drive force for driving a clutch, a first solid of revolution, a mechanism for transmitting the drive force of the actuator to the clutch, and an assist spring unit having one end pivotally supported and another end abutting on the solid of revolution. An abutment structure in which the first solid of revolution abuts on the assist spring unit is configured so that an urging force of the assist spring does not act in a direction of rotating the first solid of revolution at least at one position in a play area in which the clutch is not disengaged even if the first solid of revolution rotates. | 05-21-2009 |
20090211872 | APPARATUS AND SYSTEM FOR A TORQUE RESPONSIVE CLUTCH - An improved apparatus for varying the pressure applied to a clutch system that can be used to couple a rotational input with a rotational output. Depending on the load and direction of torque in the clutch system, the improved apparatus will engage a spring with more force or less force to affect the amount of torque transferred by the clutch system and the force required by an operator to manually disengage the clutch system. | 08-27-2009 |
20090260945 | PRESTRESSING UNIT - A prestressing unit which has a first ramp disk and a second ramp disk. Ramp contours are formed in one side of an annular face of the ramp disks. In the prestressing unit, the rolling bodies ascend and/or descend on the ramp contours as a result of rotational pivoting of one of the ramp disks in relation to the other ramp disk about an axis. The ramp contours are each formed as a single-part running face for the rolling bodies. The running face is inclined with respect to the axis. | 10-22-2009 |
20090308710 | GEAR-SHIFTING STRUCTURE FOR VEHICLE - A gear-shifting structure is provided for a vehicle. The vehicle includes a transmission box that contains therein a gear train, a clutch, a switching fork, a gear-shifting hub, and a motor. The motor cooperates with a worm shaft to actuate the clutching operation of the clutch and to cause movement of the gear-shifting hub in order to carry out the gear shifting operation. The motor has a rotary member that drives the worm shaft on which a worm and a cam are mounted. To effect gear shifting, the motor drives the worm shaft to have the cam abut and displace the clutch and at the same time, the worm drives the gear-shifting hub to thus realize the operation of gear shifting. | 12-17-2009 |
20100012455 | Power divider for motor vehicles comprising a controlled friction coupling - The invention relates to a power divider for motor vehicles, comprising a housing ( | 01-21-2010 |
20100206686 | Gearbox Output Switcher - A gear switching mechanism for a printing machine comprises at least one pair of input and driven gears, each pair rotationally mounted on a corresponding common axle. The input gear of each pair may be coupled to a common drive, while each driven gear is coupled to a separate output. A rotational gear coupling is mounted to translate along each axle to selectively engage and disengage the corresponding pair of input and driven gears. The rotational gear coupling includes a cam follower that slides along a cam profile of a cam shuttle. The shuttle defines a cam profile that is normal to the common axles. In one embodiment, the cam shuttle translates linearly, while in another embodiment, the shuttle rotates. The cam profile is configured to selectively engage and disengage the rotational couplings of each pair of input and driven gears. | 08-19-2010 |
20110100780 | BIASING DEVICE - Disclosed is a biasing device comprising a first ramp disc and a second ramp disc, a plurality of ramp contours being formed in one side of an annular surface of each of said ramp discs. Through a slewing of one of the two ramp discs relative to the other, non-slewing ramp disc about an axis, the rolling elements ascend and/or descend along the ramp contours. At least the first ramp disk, the cage and the second ramp disc are inserted into a retaining pot that is connected rotationally fast to a housing through at least one retaining element. For axial guidance, a plurality of rolling elements is arranged between the retaining pot and the non-slewing ramp disc. | 05-05-2011 |
20120234646 | CLUTCH PACK TRAVEL COMPENSATOR FOR REDUCED DRAG - A clutch control assembly for a transmission, including a piston plate including a first side having a first circumferentially aligned and axially extending ramp, and a second side. The assembly includes an adjustment ring in contact with the first ramp, and at least one rotary piston with a first end fixed to the adjustment ring. In response to a first force applied to the second radially disposed side and the at least one rotary piston, the at least one rotary piston is displaceable to urge the adjustment ring in a first circumferential direction along the first ramp such that the adjustment rings displaces in a first axial direction away from the piston plate. | 09-20-2012 |
20130140130 | CLUTCH ASSEMBLY - The invention relates to a clutch assembly ( | 06-06-2013 |
20140083813 | CLUTCH - A clutch includes a first clutch part connected to a drive shaft, a second clutch part connected to an output shaft and a pressure element arranged between the clutch parts, wherein a reinforcement mechanism is provided in a force flow zone between the pressure element and the second clutch part, which mechanism has ramps to generate an axial servo force for pressing the pressure element against the first clutch part. | 03-27-2014 |
20140346005 | BALL AND RAMP DEVICE FOR A TOROIDAL VARIATOR - The ball and ramp device for a toroidal variator includes a first disc and a second disc and a plurality of rolling elements disposed between ramps provided on the discs and extending along the circumferential direction. One of the discs provides a plate having the ramps, a ring delimiting an outer toroidal raceway and an intermediate supporting part axially interposed between said ring and the plate. | 11-27-2014 |