Spring bushing activated brake porportioner

Details Spring bushing activated brake porportioner Spring bushing activated brake porportioner

1984-12-24

1986-08-19

Reger, Duane A.

Fluid-pressure and analogous brake systems

Load control

Responsive to fluid pressure spring

303 6C, B60T 822

Patent

active

046065849

ABSTRACT:
An improved braking system particularly for a vehicle, such as a van, subject to relatively large differences in loading, including a force responsive proportioning valve inserted between a master brake cylinder and the rear brakes for increasing the rear braking effort relative to the front as the load on the vehicle increases. A position follower device operably connected to the force input of the proportioning valve is responsive to angular movements of the end portion of the rear leaf spring which transmits an increasing input force to the valve as the vehicle load increases.

REFERENCES:
patent: 2987346 (1961-06-01), Wrigley
patent: 3257153 (1966-06-01), Strifler
patent: 3285673 (1966-11-01), Dobrikin
patent: 3701616 (1972-10-01), Kawai
patent: 3709568 (1973-01-01), Miyake et al.
patent: 3954306 (1976-05-01), Hess
patent: 3975062 (1976-08-01), Giordano et al.
patent: 4060283 (1977-11-01), Demido et al.

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