Towed vehicle brake activation method and apparatus

Details Towed vehicle brake activation method and apparatus Towed vehicle brake activation method and apparatus

1990-12-06

1993-05-25

Graham, Matthew C.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

188112R, B60T 720

Patent

active

052133966

ABSTRACT:
A towed motor vehicle brake integrated between a towing and a towed vehicle, capable of applying the brakes of the towed vehicle. The structure of a towing hitch linkage deflects somewhat when it experiences tension or compression. A sensing device, preferably consisting of a hydraulic cylinder and an attached activating rod, grounded to a rotating lever connecting to the towed vehicle, senses compression of the deflecting portion of the linkage and activates the brakes of the towed vehicle to reduce the compressive forces. The tow brake requires no modification of the towed vehicle except allowing an interface with the towed vehicle's braking system. This provides flexibility of use with a variety of towed vehicles and ease of attachment and detachment.

REFERENCES:
patent: 2956648 (1960-10-01), McDaniel, Sr.
patent: 3448834 (1969-06-01), Lammers
patent: 3630321 (1971-12-01), Hollnagel
patent: 3768606 (1973-10-01), Mizen et al.
patent: 4239252 (1980-12-01), Huetsch et al.
patent: 4889212 (1989-12-01), Temple
patent: 5013059 (1991-05-01), Goettker

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