Gearbox for motor vehicles

Details Gearbox for motor vehicles Gearbox for motor vehicles

2006-12-19

2006-12-19

Ho, Ha (Department: 3681)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Gear shiftable axially to disconnect or vary ratio

C475S303000, C475S317000

Reexamination Certificate

active

07150697

ABSTRACT:
A range gearbox with planetary gear (1) for motor vehicles intended to be connected to the output side of a basic gearbox. The ring gear (18) of the planetary gear is axially displaceable. The ring gear (18) can engage coupling rings (10, 16) alternatively. A synchronizing member or member (15) is intended to synchronize the rotational speed difference between the ring gear (18) and one or other coupling ring (10, 16). The synchronizing means (15) and the coupling ring (16) are arranged coaxially outside the ring gear (18). A second member or engagement member (25) for engaging the coupling ring (16) and a third member or engagement member (25, 25b) for driving said synchronizing member (15) are arranged on the external side, as seen radially, of the ring gear (18). The coupling ring (16) is arranged between the synchronizing member (15) and the first member (27).

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