Patent ID: 7415905
Filing Date: 2008-08-26
Classification: F16D,F16H,Y10T

Abstract:
1. A shiftable vehicular transmission comprising: a rotatable first input shaft; an output shaft; at least one drive gear rotatably mounted with respect to said first input shaft; at least one driven gear fixedly mounted with respect to said output shaft and in constant mesh with said at least one drive gear; at least one selectively engageable slipper ring clutch disposed between said at least one drive gear and said first input shaft and operable to lock said at least one drive gear with said first input shaft when engaged so that said at least one drive gear may rotate with substantially the same rotational speed as said first input shaft, and to subsequently unlock said at least one drive gear from said first input shaft when disengaged so that said at least one drive gear may rotate independently with respect to said first input shaft; wherein said first input shaft has a first input clutch, and further comprising a rotatable second input shaft having a second input clutch.