Brakes – Vehicle – Independent wheel
Patent
1978-02-13
1980-06-03
Kazenske, Edward R.
Brakes
Vehicle
Independent wheel
60581, 188354, B60T 1124
Patent
active
042057345
ABSTRACT:
In a two-pedal hydraulic braking system for vehicles the pedals are operable independently or simultaneously to apply two sets of brakes and both pedals actuate a common master cylinder to apply fluid under pressure to the brakes. Two normally closed selector valves are operable independently to direct the fluid to either of the sets of brakes when one pedal is operated, and the valves are operable simultaneously to direct the fluid to both sets when the pedals are operated simultaneously. Each valve is urged directly into its closed position by its respective pedal, and each pedal in turn is urged by a return spring into a retracted position in which the valve which it operates is closed.
REFERENCES:
patent: 2741337 (1956-04-01), Ziskal
patent: 2822891 (1958-02-01), Wallace
patent: 3400788 (1968-09-01), Brace
Girling Limited
Kazenske Edward R.
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