| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 192032000 | Manual control | 24 |
| 20100163361 | MULTIPLE DISC CLUTCH APPARATUS - In a multiple disc clutch apparatus | 07-01-2010 |
| 20120241274 | TWO-WAY OR DOG CLUTCH AND SELECTABLE ONE-WAY CLUTCH USING TILTED OR ANGLED SPRAGS - This invention describes two types of mechanical clutches; a selectable one-way clutch and a two-way or dog clutch. Both clutches are constructed with sprags mounted on an axis that is tilted with respect to the axis of the shafts being connected by the clutches. Both engagement faces of the clutch are conical and parallel such that the clutches can be disengaged by withdrawing one of the clutch plates along the line of the shafts being connected. Sprags produce a one-way clutch. In the dog clutch, alternate sprags are mounted opposite to its neighbor, so the clutch is prevented from slipping in either direction. | 09-27-2012 |
| 20130299293 | HUB ASSEMBLY HAVING RECONFIGURABLE ROTATIONAL MODES - A rotational assembly hub can include a sprocket that is configured to rotate about an axis, where the sprocket can be located on a first side of a driver. Moveable paws can be located on a second side of the driver that is opposite the first side of the driver. The moveable paws can be configured to move from a recessed position within the driver to a protruding position when the driver rotates in a first direction in a first rotational mode and can be configured to remain protruding from the recessed position when rotated in the first direction in a second rotational mode. Other assemblies are also disclosed. | 11-14-2013 |
| 192035000 | Pilot mechanism | 10 |
| 20100122882 | DRIVEN ACCESSORY WITH LOW-POWER CLUTCH FOR ACTIVATING OR DE-ACTIVATING SAME - A driven accessory having a clutch that permits selective operation of an accessory portion. The clutch employs rotational inertia to control driving engagement of a wrap spring to an interior clutch surface on a drive member and/or driving disengagement of the wrap spring from the interior clutch surface. | 05-20-2010 |
| 20100200352 | POLYCONE CLUTCH WITH ROLLER RAMP ACTUATOR - A torque transfer mechanism includes a friction clutch having first and second outer rings positioned on opposite sides of a center ring having conically shaped friction surfaces. The outer rings each include a plurality of conically shaped friction surfaces selectively engageable with the center ring friction surfaces. A clutch actuator includes a roller clutch having a first set of cam surfaces adapted to be fixed for rotation with a rotary input member, a slipper having a second set of cam surfaces, a plurality of rollers positioned between opposing pairs of the cam surfaces, a first wedge slide and a second wedge slide. Each wedge slide is radially outwardly moveable by radial expansion of the slipper and includes a tapered surface for driving one of the first and second outer rings into engagement with the center ring to transfer torque between the input and output members. | 08-12-2010 |
| 20100236888 | LEVER APPLIED SOLENOID CLUTCH ACTUATOR - A electromagnetic clutch assembly for use in a vehicle is presented. More specifically, the clutch assembly comprises an input member; an output member; a friction clutch pack having a first plurality of clutch plates coupled for rotation with said input member and a second plurality of clutch plates interleaved with said first plurality of clutch plates and coupled for rotation with said output member; a solenoid coil; an actuator hub having an armature plate; and a cam lever assembly having a first end engaging said actuator hub and a second end engaging said friction clutch pack. When electrical current is applied to the solenoid coil, the armature plate moves the actuator hub, the actuator hub engages the cam lever and causes said cam lever to compress the interleaved first and second plurality of clutch plates, thereby, resulting in the coupling of the input and output members. | 09-23-2010 |
| 20100252384 | CONTROLLABLE COUPLING ASSEMBLY AND OVERRUNNING COUPLING AND CONTROL ASSEMBLY UTILIZING SAME - A controllable coupling assembly including a coupling member and an overrunning coupling and control assembly utilizing same are provided wherein a set of actuators are supported on a control member of the assembly for movement therewith to move or pivot respective struts received within pockets of the coupling member. Apparatus is responsive to a control pressure signal to exert a control force on the control member to cause the control member to move from its first position which corresponds to a first mode of the coupling assembly to its second position which corresponds to a second mode of the coupling assembly. The coupling assembly may be an overrunning clutch assembly. | 10-07-2010 |
| 20110048884 | POWER TRANSMISSION SYSTEM FOR VEHICLE CHANGING POWER TRANSMISSION STATE BY ELECTRIC CONTROL - The present invention provides a technology of improving mechanism that drives a pilot clutch for operating a main clutch, in a power transmission system for a vehicle changing power transmission state by electric control in which an input shaft and an output shaft coaxially disposed in a main housing is configured such that power is connected/disconnected by the main clutch. | 03-03-2011 |
| 20110114434 | ACTIVE MATERIALS ACTUATED ONE-WAY CLUTCH - A one-way clutch for assisting the rotation of a rotary fluid motor includes a ratchet and a hub rotatable about a longitudinal axis relative to the ratchet. The ratchet includes a plurality of teeth, and the hub includes a pawl for engaging the teeth to rotate the ratchet in a single direction of rotation. A control device including an active material interconnects the pawl and the hub. The active material of the control device contracts in response to a control signal to move the pawl. An actuator including an active material is spirally wound around an outer periphery of the hub. The active material of the actuator contracts to spin the hub and thereby drive the ratchet. | 05-19-2011 |
| 20120241275 | WET CLUTCH - A wet clutch including a main clutch, a clutch basket, which is actively connected to a crankshaft, forming an intake part and having a plurality of discs mounted therein so as to be rotatably fixed and axially displaceable, a clutch hub which is connected to a transmission input shaft, forming an output part and having counter-discs that are layered in an alternating manner with the plurality of discs, where the counter-discs are mounted so as to be rotatably fixed and axially displaceable, and a pilot clutch, actuated by means of a lever element, where the pilot clutch is upstream from the main clutch and the pilot clutch and the main clutch are connected to each other by means of a ramp device which is provided, in the circumferential direction, with ramps that are active at least in the direction of traction of the internal combustion engine. | 09-27-2012 |
| 20150122607 | CLUTCH DEVICE HAVING AN ACUTATING DEVICE - A clutch device ( | 05-07-2015 |
| 20160061274 | SHIFT COLLAR ASSEMBLY FOR A POWER TRANSFER UNIT - In at least some implementations, a disconnect assembly for a power transfer unit includes a cam and a cam follower. The cam is driven for rotation and has a cam surface that is inclined relative to an axis of rotation and a void spaced from the cam surface. The cam follower has a cam engagement surface and is arranged to be engaged by the cam surface so that the cam follower is displaced axially during at least a portion of the rotation of the cam. One or both of the cam and the cam follower includes an interface surface provided at an angle to the axis of rotation to control axial movement of the cam follower during at least a portion of the rotation of the cam when the cam surface is not engaged with the cam engagement surface. | 03-03-2016 |
| 20160091034 | LATCHING SPRING DISCONNECT CLUTCH - A disconnect clutch includes a wedge carrier, a wedge plate, an inner hub and a latching diaphragm spring. The wedge carrier has a pair of inwardly facing tapered rings. The wedge plate has a pair of outwardly facing tapered ring portions for mating engagement with the wedge carrier inwardly facing tapered rings, a plurality of inner ramp portions with respective tapered inner surfaces, and a radially flexible middle portion connecting the outwardly tapered ring portions and plurality of inner ramp portions. The inner hub has a plurality of outer ramp portions with tapered outer surfaces for engagement with the plurality of wedge plate ramp portion tapered inner surfaces. The latching diaphragm spring is for displacing the inner hub relative to the wedge carrier to radially expand the wedge plate. | 03-31-2016 |
| 192037000 | Transversely moving | 4 |
| 20110220448 | CLUTCH FOR MOTOR VEHICLE - A clutch vehicle includes a driving wheel driven by output of an engine of a motor vehicle. An actuator plate is jointly rotatable with the driving wheel and includes a side plate having a peg. Shoes mounted on the side plate pivot outward when the side plate rotates, allowing joint rotation of the actuator plate and a clutch hub surrounding the actuator plate. A block is movably mounted to the disc. An elastic element is mounted between the block and the clutch hub. The block is located in a first position not located in a circumferential path of the peg under action of the elastic element when the clutch hub does not rotate. The block is moved to a second position in the circumferential path of the peg by centrifugal force of the clutch hub when the clutch hub exceeds a preset speed. | 09-15-2011 |
| 192038000 | Ball or roller | 3 |
| 20110061983 | ROTATION TRANSMISSION DEVICE - A rotation transmission device is provided which has a minimum play in the rotational direction, which is reliable by preventing the rollers from erroneously engaging during idling, and which has high torque capacity. A control retainer | 03-17-2011 |
| 20130270051 | HAND-HELD ELECTRIC TOOL HAVING A SPINDLE-LOCKING DEVICE - In a handheld electric tool having a tool housing in which is disposed a gearbox for transferring a torque, generated by a drive motor, to a drive spindle with which a spindle locking apparatus is associated, the drive spindle being rotatably mounted in the tool housing at at least two bearing points, the at least two bearing points are provided in the tool housing in a region downstream from the gearbox, and the spindle locking apparatus is disposed between the two bearing points in an axial direction of the drive spindle. | 10-17-2013 |
| 20150300425 | ELECTROMAGNETICALLY-ACTUATED DIRECTION-SENSING ROLLER CLUTCH - A roller clutch includes an outer race, an inner race, a first engagement member situated between the outer race and the inner race, a second engagement member situated between the outer race and the inner race, and an electromagnetic mover to be energized or de-energized. The first engagement member is configured to engage the outer race and the inner race to transmit torque between the outer race and the inner race in response to the electromagnetic mover being energized and the inner race applying negative torque to the second engagement member while the outer race applies positive torque to the second engagement member. The second engagement member is configured to engage the outer race and the inner race to transmit torque between the outer race and the inner race in response to the inner race applying positive torque to the second engagement member while the outer race applies negative torque to the second engagement member. | 10-22-2015 |
| 192040000 | Electric | 7 |
| 20090211862 | CLUTCH WITH DUAL AREA PISTON AND INDEPENDENT PRESSURE CONTROL - The present invention provides a clutch having two pistons, a first piston defining a first, smaller area and a second piston, defining a second, larger area. The separate pistons are independently provided with flows of pressurized hydraulic fluid from first and second independent modulatable control valves. Engagement of the clutch may be rapid by providing hydraulic fluid to the smaller area piston, provide greater engagement force by providing hydraulic fluid to the larger area piston or a combination of speed and force by utilizing modulated or unmodulated flows of hydraulic fluid to both pistons. | 08-27-2009 |
| 20100018823 | Apparatus for Producing a Frictional and/or Form-fitting Connection Between Two Components Which Are Arranged Such That They Can Be Moved Linearly or Rotated Relative to One Another - An apparatus is disclosed for producing a frictional and/or form-fitting connection between first and second components which are linearly or rotationally movable relative to one another for transmitting forces and/or force moments that act between the first and second components in a linear and/or rotational manner. The first component surrounds the second component at least sectionally with at least one inner wall that faces the second component, and wherein the second component features at least one active-face element that can be transferred in a force-loaded manner from a first position, in which the active-face element is spaced apart from the inner wall, into a second position, in which the active-face element produces the frictional and/or form-fitting connection with the inner wall. The invention includes at least one mechanical stressing element for exerting a restoring force upon the active-face element which holds the active-face element in a first position, and a kinematic system acts upon the active-face element opposite to the restoring force and is driven exclusively by a converter material, with the kinematic system transferring the active-face element into the second position. | 01-28-2010 |
| 20100032257 | COMPACT BRAKE - An electrically controlled brake or clutch includes a rotatable first mechanical system ( | 02-11-2010 |
| 20100072016 | Mechanical Clutch for V-Belt System - A mechanical clutch for use in a belt driven system requiring belt tensioning. The clutch includes a central shaft to be coupled to a rotating shaft, a first pulley rotationally and axially coupled to the central shaft, and a second pulley rotationally coupled to the central shaft configured to move axially relative to the first pulley along the central shaft. The clutch further includes an actuating mechanism configured to impart linear axial movement to the first pulley based on rotational input. | 03-25-2010 |
| 20140284162 | SYSTEM FOR DRIVING A SEED METER VIA A FLEXIBLE SHAFT - A seed meter drive system includes a clutch having a toolless fastener configured to selectively couple the clutch to a downstream component. The clutch is configured to receive a rotational input via a flexible drive shaft, and to drive the downstream component in rotation while the clutch is engaged. | 09-25-2014 |
| 20150323018 | DISCONNECT CLUTCH WITH DUAL ONE-WAY CLUTCHES AND SOLENOID ACTUATOR FOR A WEDGE ONE-WAY CLUTCH - A disconnect clutch for a torque transfer device for a vehicle, including: an axis of rotation; an input shaft arranged to receive torque from a torque generating or transmitting device for the vehicle; an output shaft arranged to transmit the torque; a forward clutch having a first torque-carrying capacity; a reverse clutch having a second torque-carrying capacity less than the first torque-carrying capacity; and an actuator system. For a forward connect mode in which the input shaft is rotating in a first rotational direction, the actuator system is arranged to close the forward clutch to non-rotatably connect the input and output shafts. For a reverse connect mode in which the input shaft is rotating in a second rotational direction opposite the first rotational direction, the actuator system is arranged to close the reverse clutch to close the reverse clutch to non-rotatably connect the input and output shafts. | 11-12-2015 |
| 20160108976 | MECHANICAL FRONT WHEEL DRIVE ROLLER WEDGING CONTROL SYSTEM - A mechanical front wheel drive roller wedging control system includes a 4WD switch in a vehicle operator station, a roller cage drag mechanism electrically activated by the 4WD switch and providing a drag on a roller cage if the 4WD switch is in an on position, and a throttle pedal switch actuated by the throttle pedal and that deactivates the roller cage drag mechanism when the throttle pedal is released. | 04-21-2016 |
