Brake arrangement for hydraulically powered vehicles

Details Brake arrangement for hydraulically powered vehicles Brake arrangement for hydraulically powered vehicles

1984-08-30

1986-10-14

Reger, Duane A.

Fluid-pressure and analogous brake systems

Releasing

188170, 303 6M, B60T 1128

Patent

active

046168826

ABSTRACT:
The invention is directed to a fail-safe brake arrangement for hydraulically powered road rollers. The operating means of the brake system are completely separate from the normal road brake of the roller thereby enabling the fail-safe brake to be manually operated by the driver in an emergency situation. The brake also operates automatically as soon as the hydraulic system of the roller ceases to function. The fail-safe brake according to the invention utilizes the oil pressure to compress one or more springs in a spring brake chamber. As soon as the oil pressure falls to zero or below a certain value, the energy stored in the springs is utilized to apply the brake and bring the vehicle to a halt.

REFERENCES:
patent: 3195692 (1965-07-01), Herr et al.
patent: 3528707 (1970-09-01), Casey
patent: 3770085 (1973-11-01), Cottingham
patent: 3985210 (1976-10-01), Hodge et al.

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