Gear-Changing Apparatus for Actuating a Manual Gearbox of a Motorcycle for Carrying Out a Gear Change With the Clutch Engaged

2:

• The gear-changing apparatus according to claim 1, wherein the gear-change lever is coupled in a positive-fitting manner to the selector shaft for transmitting a gear-change force to the selector shaft, or is connected to the selector shaft with the interposition of a force transmission device.

3:

• The gear-changing apparatus according to claim 1, wherein a gear-change force-transmission path between the gear-change lever and the selector shaft is free from a spring device deformable by a gear-change force.

4:

• The gear-changing apparatus according to claim 1 further comprising a support bearing provided at an end-face end portion of the selector shaft, the support bearing comprising a cylindrical body detachably fixable on the selector shaft, and the body having a mounting for detachable fastening thereon of a first magnetic device.

5:

• The gear-changing apparatus according to claim 1, wherein the gear-selector drum defines a recess in an end thereof, in which recess a second magnetic device is arranged.

6:

• The gear-changing apparatus according to claim 1, wherein the drive engine comprises a housing, and the first sensor device and/or the second sensor device is fastened externally on the housing.

7:

• The gear-changing apparatus according to claim 1, wherein the second sensor device comprises a Hall effect sensor.

8:

• The gear-changing apparatus according to claim 1, wherein the apparatus is adapted for changing the gear of the manual gearbox, in either gear-changing direction, with the clutch engaged.

9:

• The gear-changing apparatus according to claim 3, wherein a gear-change force-transmission path between the gear-change lever and the selector shaft is free from a spring device deformable by a gear-change force.

10:

• The gear-changing apparatus according to claim 3 further comprising a support bearing provided at an end-face end portion of the selector shaft, the support bearing comprising a cylindrical body detachably fixable on the selector shaft, and the body having a mounting for detachable fastening thereon of a first magnetic device.

11:

• The gear-changing apparatus according to claim 3, wherein the gear-selector drum defines a recess in an end thereof, in which recess a second magnetic device is arranged.

12:

• The gear-changing apparatus according to claim 3, wherein the drive engine comprises a housing, and the first sensor device and/or the second sensor device is fastened externally on the housing.

13:

• The gear-changing apparatus according to claim 3, wherein the second sensor device comprises a Hall effect sensor.