Class / Patent application number | Description | Number of patent applications / Date published |
475298000 | Gear shiftable axially to disconnect or vary ratio | 14 |
20090131214 | Bicycle Hub Transmission With A Power Control Mechanism For A Shift Assist Mechanism - A hub transmission for a bicycle comprises a hub axle; a driver rotatably supported to the hub axle; a hub shell rotatably supported to the hub axle; a power transmitting mechanism disposed between the driver and the hub shell for communicating rotational power from the driver to the hub shell through a plurality of power transmission paths; a shift mechanism for selecting the plurality of power transmission paths; a shift assist mechanism for communicating rotational power from the driver to the shift mechanism; and a power control mechanism disposed between the driver and the shift assist mechanism and coupling rotational power from the driver to the shift assist mechanism for communicating non-constant rotational power from the driver to the shift assist mechanism. | 05-21-2009 |
20100113209 | Split Path Power Shift Transmission - A transmission for a vehicle includes an input shaft, a carrier sun shaft, and an output shaft. A planetary gear set includes a sun gear coupled with the carrier sun shaft, a ring gear coupled with the output shaft, and a plurality of planetary gears enmeshed between the sun gear and the ring gear. A plurality of shift elements each include a first gear coupled with the input shaft, and a second gear coupled with the carrier sun shaft and enmeshed with the first gear. A plurality of shift clutches are each selectively coupled between a corresponding shift element and the input shaft or carrier sun shaft. A low range clutch is selectively coupled between the input shaft and the plurality of planetary gears. A high range clutch is selectively coupled between the carrier sun shaft and the output shaft. A reverse range clutch is selectively coupled between an immovable feature and the plurality of planetary gears. | 05-06-2010 |
20120028753 | Electric power tool - An electric power tool includes a cylindrical reducer case accommodating the speed reduction mechanism. The speed reduction mechanism includes a planetary gear train and a movable member which is axially slidable to be engaged with or disengaged from the planetary gear train. The electric power tool includes the reducer case including a slide hole formed through a sidewall of the reducer case and axially extended and a rotary plate which is rotatable around a periphery of the reducer case about the axis, the rotary plate including an operation slot formed axially obliquely and overlapped with the slide hole; a supporting member radially outwardly protruded from the movable member and extended through the slide hole and the operation slot; and a biasing unit for applying a pressing force to the supporting member in a moving direction of the supporting member when the rotary plate is rotated to a position. | 02-02-2012 |
20120309581 | CONTINUOUSLY VARIABLE TRANSMISSION - This invention relates to a transmission system for transmitting a driving force from a driving unit D to a driven unit F, a transmission adjustment system for adjusting the transmission system to obtain a continuous shift ratio, a guide cone system for maintaining a concentric circle of a rotation radius when a transmission element such as a chain is rotated, a guide cone/transmission adjustment system and a continuously variable transmission system which are made by combination of the above systems. The transmission system includes the transmission element with a tooth portion for transmitting the driving force from the driving unit D to the driven unit F. A transmission adjustment method in the transmission adjustment system is varied depending upon rotation or stop of a carrier. The guide cone system includes a guide cone having a portion of which comes in contact with the transmission element is formed in a shape of a cone having a constant slope. A coupling method of the above systems and an input/output method are selected in the continuously variable transmission system. With the above construction, this invention can be applied without being restricted to the output capacity of the engine, have a simple construction, and transmit a rotation force to an output shaft from an input shaft with high efficiency to reduce energy. Particularly, this invention is widely applied to an industrial machinery as well as a transportation machinery. | 12-06-2012 |
20130065727 | HAND-HELD POWER TOOL HAVING A PLANETARY GEARBOX - In a hand-held power tool having a planetary gearbox which is situated in a housing interior formed by a gear housing, at least one cross pin is fastened in the housing interior for axial support of the planetary gearbox in the gear housing. | 03-14-2013 |
20140087912 | MODE SHIFT APPARATUS FOR UMBILICAL STRANDING MACHINE - A coupler for shifting bobbin cradle sets between planetary and rigid mode positions on an umbilical standing machine includes a lever, a pinion gear, and a line shaft positioned through a center of the pinion gear and a cage of the stranding machine. A coupler block is slidable over the line shaft and engageable with the pinion gear to rotate a set of bobbin cradles via the pinion gear and the line shaft. Opposing cam followers controllable with the lever engage splines of the coupler block to shift the coupler block back and forth between being coupled to the pinion gear for planetary mode and coupled to the cage for rigid mode. Hollow sections on either side of the coupler block may engage lugs attached to the pinion gear and the cage, for attachment in planetary and rigid modes, respectively. | 03-27-2014 |
20140315678 | GEAR ASSEMBLY FOR MOTOR VEHICLE - A gear assembly for a motor vehicle includes first clutch configured to selectively couple an input shaft to an output shaft and a second clutch configured to selectively couple the input shaft to a planetary gear train. When the first clutch is activated and the second clutch is not activated, the input torque is transmitted from the input shaft to the output shaft such that the output torque relative to the input torque is a first gear ratio. When the second clutch is activated and the first clutch is not activated, the input torque is transmitted from the input shaft to the output shaft through the planetary gear train such that the output torque relative to the input torque is a second gear ratio. When neither the first clutch nor the second clutch are activated, the input torque is not transmitted from the input shaft to the output shaft. | 10-23-2014 |
20160102762 | HAND-HELD POWER TOOL WHICH INCLUDES A SHIFTABLE TRANSMISSION - A hand-held power tool includes: a shiftable transmission for driving a drive shaft, which transmission is situated in a gear housing and is shiftable at least between a first gear and a second gear via a shifting member; and a pivotably supported actuating element, which is configured as a bistable spring element and situated, at least in sections, in the area between the shifting member and the gear housing, is associated with the shifting member. The bistable spring element is actuatable for the gear shifting, and assumes a stable shift position in at least one shift position of the shifting member associated with the first or second gear, and assumes an unstable position in an intermediate position of the shifting member which is situated between shift positions of the shifting member associated with the first and second gears. | 04-14-2016 |
475299000 | Orbit shiftable relative to sun and carrier | 4 |
20090137359 | VARIABLE MOTION CONTROL DEVICE AND METHOD OF USE - Variable motion control devices and methods of use. The devices and methods relate to providing an output, such as a rotational shaft output, transmitted from a rotational shaft input, with the output varying based on a control input. The devices and methods are used, for example, to provide a variable output for use with a compressor, power take off, or transmission or differential application. To provide the variable output, the devices and methods include use of mechanical component systems, such as spur gear planetary systems, ring gear planetary systems, bevel gear arrangements, or combinations of such features. The control input is implemented, for example, by arrangements of bindably meshed gears, tension between pulleys joined by belts or similar arrangements of sprockets and chains, use of magnetic clutches, hydraulic or pneumatic controls, or braking devices. | 05-28-2009 |
20120277054 | OPERATING MECHANISM FOR A BICYCLE MULTIPLE GEAR HUB - An operating mechanism by which the linear movement of a gearshift cable is converted into a rotational movement of an operating sleeve and transmitted to the interior of a bicycle multispeed gear hub. | 11-01-2012 |
20130267374 | HANDHELD POWER TOOL HAVING A PLANETARY GEAR SET - In a handheld power tool having a planetary gear set which is at least switchable between a first and a second gear and which is assigned a switching annulus gear which is at least shiftable between a first and a second switching position and which has the first switching position in the first gear and the second switching position in the second gear, the switching annulus gear is assigned a synchronization unit which is designed to enable a synchronization of the switching annulus gear with a planet carrier or with a blocking element of the planetary gear set when the switching annulus gear is shifted between the first and the second switching position to switch over the planetary gear set. | 10-10-2013 |
20140024489 | PLANETARY GEAR SET FOR A POWER TOOL - A planetary gear set for a power tool is described, in particular for an electrically operated hand-held power tool. The planetary gear set has multiple gear stages, the planetary wheels of a gear stage, to which a movable annulus gear is assigned, being at least supported on shafts via rolling elements, the rolling elements being held on an assigned planet carrier. | 01-23-2014 |
475300000 | Sun shiftable relative to orbit and carrier | 2 |
20090270220 | AUTOMATIC SPEED REDUCTION RATIO SWITCHING APPARATUS - An automatic speed reduction ratio switching apparatus is equipped with a sun gear connected to an input shaft, first and second carriers connected to a feed screw shaft, planetary gears meshed with the sun gear and which are mounted rotatably in the first and second carriers, and an internal gear meshed with the planetary gears and which is capable of movement in an axial direction. A packing member is arranged between the internal gear and the second carrier, for regulating movement in the axial direction of the internal gear, while enabling movement of the internal gear in the axial direction when a thrust force is applied at or above a predetermined value. | 10-29-2009 |
20130137545 | RECLINING MECHANISM - Disclosed is a reclining mechanism comprising: a first plate fixed to a seat back; a second plate fixed to a seat cushion; a plurality of planetary gears in meshing engagement with internal gears of the first and second plates; a sun gear in meshing engagement with the planetary gears; and a holding member rotatably holding the planetary gears. An inner peripheral wall of the holding member and an opposing wall section of the sun gear define therebetween a wedge-shaped space in which a restriction member is displaceably disposed. The opposing wall section of the sun gear is formed such that a width of the wedge-shaped space is gradually narrowed toward a counter direction opposite to a specific direction along which the first plate is urged to be rotated according to a force applied to the seat back in a rearward tilting direction. | 05-30-2013 |