SCHALTKUPPLUNG FÜR EIN SCHALTGETRIEBE.

摘要

PCT No. PCT/EP91/00726 Sec. 371 Date Aug. 27, 1993 Sec. 102(e) Date Aug. 27, 1993 PCT Filed Apr. 17, 1991 PCT Pub. No. WO92/18790 PCT Pub. Date Oct. 29, 1992.A clutch for a gearbox comprises an input shaft (2) and an output shaft (3) on each of which pairs of gearwheels (4-9, 13-16) are mounted. The shaft (2, 3) or a clamping roller support (43) mounted on and entrained by the latter has clamping surfaces (17) around its periphery. Clamping rollers (10) are arranged between the clamping surfaces (17) and the inner surfaces (18) of the gearwheels (8, 9, 13-16). Shifter rods (20) arranged on a gear shifting plate (21) project into the spaces between the clamping rollers (10). The gear shifting plate (21) is entrained by first springs (35) on the associated shaft (2, 3) into a first relative position with respect to the shaft and can be displaced against the force of the springs (35) by a sliding piece (39 or 44) into a second relative position with respect to the shaft (2, 3). The sliding pieces (39, 44) are disposed on a synchronizer sleeve (37) mounted on a synchronizing assembly (27, 27', 27'') on the shaft (2, 3). The synchronizing assembly (27, 27', 27'') is entrained by the shaft (2, 3) but can move axially. When the shifter rod (21) moves from the first relative position into the second relative position, the clamping surfaces (17) and the inner surface (18) of the corresponding gear are brought into a non-positive clamping position (shifting position).