Boots – shoes – and leggings
Patent
1986-03-31
1988-05-17
Chin, Gary
Boots, shoes, and leggings
180197, 361238, 303 96, B60T 834
Patent
active
047455527
ABSTRACT:
Anti-spin control systems are useful, for example, in industrial off-road vehicles. It is desirable that such systems exhibit rapid response to adverse working conditions, and be capable of quickly applying braking forces to whichever driven wheel is rotating at a higher velocity at a given time. The instant invention includes an electrical circuit for producing first and second brake control signals having values responsive to a working condition wherein one of the vehicle wheels loses traction and rotates more rapidly than the other vehicle wheel. A first controllable valve receives the first brake control signal and responsively controllably engages a brake mechanism associated with the faster rotating wheel, while a second controllable valve receives the second brake control signal and responsively controllably moves a brake mechanism associated with the slower rotating wheel from a brake released position to a brake pre-engaged position. Therefore, upon detecting a slippery working condition, each of the brake mechanisms associated with the driven wheels of the vehicle is brought into a state of readiness for immediate braking effort with minimal time delay.
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Phelps Weldon L.
Sorrells Giles K.
Stahl Alan L.
Caterpillar Inc.
Chin Gary
Noe Stephen L.
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