Transmission parking brake

Details Transmission parking brake Transmission parking brake

1992-01-23

1993-02-02

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

74371, 192 4A, B60K 4126

Patent

active

051831384

ABSTRACT:
The present invention is a parking brake for a transmission or transaxle. The parking brake includes a parking block made of a material stronger than the housing and having keyways for engaging and locking the shift keys of the transmission. The parking block is located in recesses in the housing halves and is thereby prevented from rotating. By engaging the non-rotatable parking block, the shift keys are prevented from rotating and thereby prevent the rotation of the shift shaft and transmission of that motion to the axles.

REFERENCES:
patent: 1857253 (1932-05-01), Miller et al.
patent: 1864142 (1932-06-01), Meyer
patent: 2049798 (1936-08-01), Booth et al.
patent: 2815104 (1957-12-01), Du Shane
patent: 4713983 (1987-12-01), Rundle
patent: 4809560 (1989-03-01), Nemoto
patent: 4827783 (1989-05-01), Yamaoka et al.
patent: 4932278 (1990-06-01), Nemoto
patent: 4966574 (1990-10-01), von Kaler et al.
patent: 5000056 (1991-03-01), Crawford et al.

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