Brake/differential lock pedal linkage

Details Brake/differential lock pedal linkage Brake/differential lock pedal linkage

2006-12-22

2011-11-15

Bonck, Rodney (Department: 3655)

192 clutches and power-stop control

Transmission and brake

Motor vehicle

C475S237000, C074S473160, C074S481000

Reexamination Certificate

active

08056697

ABSTRACT:
A brake/differential lock pedal linkage includes a two-stage manual control that may lock a differential before progressively engaging a brake. The manual control may be a foot pedal or hand lever. The linkage may include a brake cam lever that pivots on a brake cam shaft in response to movement of the manual control, a differential lock link connected between the brake cam lever and an actuator that can move a differential lock shaft to lock the differential, and a lost motion coupling between the brake cam lever and the actuator allowing the brake cam lever to pivot to a differential lock position in which the actuator moves the differential lock shaft sufficiently to lock the differential, before the brake cam lever pivots further to progressively engage the brake.

REFERENCES:
patent: 3439785 (1969-04-01), Hughson
patent: 4469208 (1984-09-01), Hansen
patent: 4793207 (1988-12-01), Old
patent: 5323890 (1994-06-01), Okada
patent: 5397174 (1995-03-01), Willmann
patent: 5673776 (1997-10-01), Fitch et al.
patent: 6007449 (1999-12-01), Okada et al.
patent: 6174255 (2001-01-01), Porter et al.
patent: 6390226 (2002-05-01), Smith et al.
patent: 33 30 549 (1985-03-01), None
patent: 103 27 458 (2005-01-01), None
patent: 2 689 822 (1993-10-01), None
patent: 59106322 (1984-06-01), None

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