Trailer hitch and brake actuating assembly

Details Trailer hitch and brake actuating assembly Trailer hitch and brake actuating assembly

1979-10-30

1980-12-16

Pekar, John A.

Land vehicles

Wheeled

Articulated vehicle

18812R, 280512, B60D 106, B60T 720

Patent

active

042392527

ABSTRACT:
A trailer is adapted to be hitched to a towing vehicle by a surge brake actuator which includes pivotally interconnected forward and rear units. When the rear unit moves forwardly relative to the forward unit, a plunger assembly is moved to a braking position to actuate a master cylinder and apply the trailer brakes. The disclosure pertains to (1) the construction and operation of the plunger assembly (2) the construction and mounting of the master cylinder (3) a friction lock for holding a breakaway cable in an emergency position when the trailer breaks away from the towing vehicle and (4) a clamping and latching mechanism for releasably coupling the forward unit of the actuator to a hitch ball on the towing vehicle.

REFERENCES:
patent: 2729309 (1956-01-01), Mullin
patent: 2956648 (1960-10-01), McDaniel
patent: 2960194 (1960-11-01), Stromberg
patent: 3180455 (1965-04-01), De Puydt et al.
patent: 3567253 (1971-03-01), De Puydt et al.
patent: 3880263 (1975-04-01), Ewald et al.

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