| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 074000000 | Slidable keys or clutches | 10 |
| 074000000 | Multiple clutch shafts | 3 |
| 074359000 | Selective | 3 |
| 20090158872 | Shift device of a power take-off transmission - A shift device is provide for a power take-off transmission of an agricultural utility vehicle. The shift device comprises an input shaft that can be driven by an engine of the utility vehicle, and an output shaft. The input shaft is connectable to the output shaft by way of three gear pairs, in order to transmit torque from the input shaft to the output shaft via one of the three gear pairs. Three gear wheels of the gear pairs are assigned to the input shaft. Three gear wheels of the gear pairs are assigned to the output shaft. One gear wheel of a gear pair is rotationally fixed to the input shaft or the output shaft and the other gear wheel of the gear pair is rotationally fixable to the output shaft or the input shaft by a gearshift sleeve. The two gear wheels of a gear pair intermesh with one another. The output shaft has a recess, in which a PTO stub shaft can be reversibly introduced. A mechanism, which can be actuated by a PTO stub shaft and which serves to actuate a gearshift sleeve, provided on the output shaft and rotationally fixed to the output shaft, is provided on the output shaft. The gearshift sleeve in one shift position of the gearshift sleeve is rotationally fixed to a gear wheel of a first gear pair. In another shift position of the gearshift sleeve no rotationally fixed connection exists between the gearshift sleeve and gear wheel of the first gear pair. By means of a further gearshift sleeve a rotationally fixed connection can be established with a gear wheel of the second gear pair or with a gear wheel of the third gear pair. | 06-25-2009 |
| 20130239719 | TRANSMISSION FOR WORK VEHICLE - A transmission includes an input shaft, an output shaft and an intermediate shaft, a power transmission mechanism and a control unit. The power transmission mechanism includes a forward travelling lower speed clutch, a forward travelling higher speed clutch, a rearward travelling clutch and a plurality of speed stage switching clutches. The control unit is configured to switch a gear state into a shiftable rearward travelling gear stage by turning off either the forward travelling lower speed clutch or the forward travelling higher speed clutch and by turning on the rearward travelling clutch in executing an operation of switching from forward travelling to rearward travelling, and to switch a gear stage into a shiftable forward travelling gear stage by turning off the rearward travelling clutch and turning on the forward travelling lower speed clutch in executing an operation of switching from rearward travelling to forward travelling. | 09-19-2013 |
| 20150300454 | TRANSMISSION - A transmission includes an input shaft to receive a rotation of an engine, drive gears respectively attached to the input shaft to freely rotate individually, an output shaft disposed parallel to the input shaft in order to output rotation following a gear shift, driven gears respectively attached to the output shaft to freely rotate individually and to mesh with the drive gears, an engagement mechanism to fix a gear to be used in a gear shift individually, from among the drive gears, to the input shaft to be incapable of relative rotation, and a selector mechanism to fix, during the gear shift, the driven gear of a corresponding gear position individually, which meshes with the drive gear fixed to the input shaft by the engagement mechanism, to the output shaft to be incapable of relative rotation, and a hub that is fixed to the input shaft. | 10-22-2015 |
| 074000000 | Single clutch shaft | 7 |
| 074000000 | Progressive | 1 |
| 074366000 | Single key | 1 |
| 074369000 | Spur gears | 1 |
| 074371000 | Sliding clutch carrier | 1 |
| 20140041473 | TRANSMISSION - A transmission includes an input shaft to receive the rotation of an engine, drive gears attached to the input shaft so as to freely rotate, an output shaft to output rotation following a gear shift, driven gears that are attached to the output shaft so as to freely rotate and mesh with the drive gears, an engagement mechanism to fix a gear to be used in a gear shift, from among the drive gears, to the input shaft to be incapable of relative rotation prior to a gear shift, and a selector mechanism to fix, during the gear shift, the driven gear of a corresponding gear position, which meshes with the drive gear fixed to the input shaft by the engagement mechanism, to the output shaft to be incapable of relative rotation. | 02-13-2014 |
| 074373000 | Selective | 5 |
| 20130233104 | 7-SPEED TRANSMISSION - A 7-speed transmission for a motor vehicle, in particular for a sports car, includes an input or primary shaft, an output or secondary shaft, a first, a second, a third, a fourth, a fifth, a sixth and a seventh forward speed, as well as a reverse speed. In order to obtain a compact constructional design with a small transversal size and allow a sporty drive mode in the upshift from the first to the sixth speed, in which the shift process occur in an overlapping manner and almost without any interruption of the drive force, the eight speeds are combined in pairs into four shift groups, two of the four shift groups are arranged on the input or primary shaft and two on the output or secondary shaft, respectively, and at least between the first speed and the sixth speed adjacent speeds are arranged in different shift groups. | 09-12-2013 |
| 20140026699 | COUPLING DEVICE WITH A GEARSHIFT SLEEVE FOR A GEARSHIFT TRANSMISSION - A coupling device is provided with a gearshift sleeve for a gearshift transmission. The gearshift sleeve via a first inner toothing optionally couples a first or second coupling gear rim of a first or second toothed gear wheel to an outer toothing of a hub body. The gearshift sleeve comprises a second inner toothing, with which the gearshift sleeve can be brought into engagement with the second coupling gear rim of the second toothed gear wheel and simultaneously via the first inner toothing with the first coupling gear rim of the first toothed gear wheel subject to freewheeling of the hub body. | 01-30-2014 |
| 074374000 | Multiple key | 3 |
| 20100257969 | TRANSMISSION SYSTEM - A transmission system including a first shaft ( | 10-14-2010 |
| 20150323068 | GEAR MOVING ASSEMBLY AND TRANSMISSION COMPRISING SAME - The present invention provides a gear moving assembly and transmission, including a tubular shaft having a hollow portion formed therein; a sliding unit including: a base disposed in the hollow portion of the shaft, and a plurality of sliders including respective rods that are disposed in the respective sliding channels to be slidable relative to the shaft in the longitudinal direction; a plurality of movable gears disposed around a circumferential surface of the shaft to be movable relative to the shaft in the longitudinal direction, and provided to correspond to the respective sliders; and a plurality of interlocking units configured to connect the sliders to the corresponding movable gears so that sliding of each of the sliders is independently interlocked with movement of the corresponding movable gear, and a transmission including the gear moving assembly. | 11-12-2015 |
| 074375000 | Spur gears | 1 |
| 20140076080 | TRANSMISSION - In a transmission, an input shaft connected to a startup clutch includes a first input shaft and a second input shaft. Drive gears are fixed to a first main shaft and a second main shaft, and driven gears are provided on an output shaft to be free to rotate relative thereto. The driven gears are connected to and disconnected from the output shaft by a gear switching mechanism. A shaft switching mechanism that switches a power transmission path between the first main shaft and the second main shaft is provided on the first main shaft, the second main shaft, and the second input shaft. A damping mechanism is provided between the first input shaft and the second input shaft in order to cut spike torque generated when the power transmission path is switched, to a set torque. | 03-20-2014 |
| 074376000 | Single speed forward and reverse | 1 |
| 20100307269 | DEVICE FOR REVERSING THE DIRECTION OF AN AUTOMOTIVE WHEELED VEHICLE - A direction-reversing device includes at least one input shaft, an output shaft, and direction-reversing element with a clutch sleeve including a moving clutch sleeve, mounted to move axially on one of the shafts carrying it to enable occupying forward and reverse positions. This device also includes a blocking element that is driven in rotation by the input shaft that carries the moving clutch sleeve, whereby this blocking element is mounted to move between the off position, in which the moving clutch sleeve is able to switch from one operating position to the next, and the on position, in which the blocking element forms an obstacle that prevents the switching of the moving clutch sleeve from one position to the next, being able to switch automatically from the off position to the on position when the input shaft is driven at a speed of rotation that exceeds a predetermined threshold value. | 12-09-2010 |
