Vehicle inching mechanism interlocked with a braking mechanism

Details Vehicle inching mechanism interlocked with a braking mechanism Vehicle inching mechanism interlocked with a braking mechanism

1981-12-23

1984-04-10

Krizmanich, George H.

192 clutches and power-stop control

Clutch and brake

Vehicle type

192 12C, 74478, 74480R, 74512, B60K 4124

Patent

active

044415966

ABSTRACT:
A vehicle inching mechanism is interlocked with a braking mechanism so as to overlap their operating ranges without hampering the low-speed start or stop of the vehicle by the inching mechanism. An inching pedal and a brake pedal are mounted side by side on a stationary shaft via sleeves rotatably fitted thereover and linked to an inching valve and a brake master cylinder, respectively. The sleeves have square jaws at their opposed ends for mating engagement, with clearances therebetween to allow rotation of either sleeve relative to the other within limits. A torsion spring is anchored at one end to the inching pedal sleeve and held at the other end against an abutment on the brake pedal sleeve. Upon depression of the inching pedal, therefore, not only the inching valve but also the brake master cylinder is activated, first through the torsion spring and then through the intermeshing jaws. The depression of the brake pedal results only in the actuation of the master cylinder.

REFERENCES:
patent: 2065459 (1936-12-01), Jenkins
patent: 2883015 (1959-04-01), Schroeder
patent: 3262525 (1966-07-01), Ehlke et al.
patent: 3935932 (1976-02-01), Moorhouse
patent: 4006805 (1977-02-01), Zeller et al.
patent: 4114738 (1978-09-01), Brown

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