Electric parking sprag

Details Electric parking sprag Electric parking sprag

1997-12-01

2000-10-03

Bonck, Rodney H.

192 clutches and power-stop control

Transmission and brake

Motor vehicle

1922194, F16D 314, F16D 4702, F16D 6900

Patent

active

061259837

ABSTRACT:
A parking sprag is provided for engaging a parking gear of an automotive transmission. The parking sprag includes a sprag mechanism pivotally mounted to a support structure. A linkage assembly operatively engages the sprag mechanism for pivoting the sprag mechanism into engagement with the parking gear. A linkage cam engaged with the linkage assembly and is driven by an electric motor. The electric motor drives the linkage cam which drives the linkage assembly in order to engage the sprag mechanism with the parking gear.

REFERENCES:
patent: 2248564 (1941-07-01), Wood
patent: 4790204 (1988-12-01), Tury et al.
patent: 4907681 (1990-03-01), Kuusik et al.
patent: 5696679 (1997-12-01), Marshall et al.
patent: 5743348 (1998-04-01), Coppola et al.

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