Mechanical clutch for planetary-type gear reduction unit

Details Mechanical clutch for planetary-type gear reduction unit Mechanical clutch for planetary-type gear reduction unit

1996-05-29

1998-01-27

Marmor, Charles A.

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

With synchronizing clutch or brake

475295, 475332, 180247, F16H 378, F16H 3706

Patent

active

057117403

ABSTRACT:
The present invention is directed to a two-speed gear reduction unit and a shift mechanism for establishing two distinct speed ratio drive connections between an input member and an output member. More specifically, the shift mechanism includes a clutch apparatus for stopping relative rotation between the input and output members prior to shifting the gear reduction unit from its neutral operating state into either of its high-range or low-range operating states. Thus, the present invention is adapted for use in the transfer case of a four-wheel drive vehicle for shifting between four-wheel high-range and low-range drive modes.

REFERENCES:
patent: 4182202 (1980-01-01), Grey
patent: 4489626 (1984-12-01), Lemon
patent: 4549449 (1985-10-01), Miller et al.
patent: 4770280 (1988-09-01), Frost
patent: 4838121 (1989-06-01), Takeshita et al.
patent: 5346442 (1994-09-01), Eastman

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