Fluid-pressure and analogous brake systems – Multiple fluid-receiving devices – Multiple motors
Patent
1996-12-31
1999-01-05
Oberleitner, Robert J.
Fluid-pressure and analogous brake systems
Multiple fluid-receiving devices
Multiple motors
280428, B60T 1300
Patent
active
058554181
ABSTRACT:
The present trailer brake device is a portable, quickly and easily installable and removable assembly which secures to the existing conventional receiver hitch receptacle of a towing vehicle to provide for the attachment of a trailer to the towing vehicle. A telescoping component actuates a hydraulic brake master cylinder when the assembly is compressed, as when the brakes of the towing vehicle are applied and the inertia of the trailer (or towed vehicle) applies a compressive force to the device. The brake master cylinder of the device is connected to the hydraulic brakes of the towed vehicle or trailer, thus automatically actuating them proportionally to the amount of force being applied by the towed vehicle to the brake device. The present device includes adjustment for the initial brake application as well as for the braking force applied to the trailer brakes by the master cylinder, and is quickly and easily adjusted to preclude trailer brake actuation during backing maneuvers. No modifications are required to the towing vehicle for use of the present braking device, and the only modification required of the hydraulic brake equipped towed vehicle or trailer, is a quick release fitting or the like providing for the connection of the present brake device to the hydraulic brake system of the towed vehicle.
REFERENCES:
patent: 3856363 (1974-12-01), Kasselmann
patent: 4453620 (1984-06-01), Angus et al.
patent: 5013059 (1991-05-01), Goettker
patent: 5213396 (1993-05-01), Avery et al.
patent: 5246243 (1993-09-01), Carr
patent: 5342117 (1994-08-01), Price et al.
patent: 5522649 (1996-06-01), Stender et al.
patent: 5551539 (1996-09-01), Frymiare
Litman Richard C.
Oberleitner Robert J.
Torres Melanie
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