Brake arrangement for hydraulically powered vehicles
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United States of America Patent
Stats
-
Oct 14, 1986
Grant Date -
N/A
app pub date -
Aug 30, 1984
filing date -
Sep 1, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Family
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Cited Art Landscape
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