192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1990-09-28
1992-02-25
Bonck, Rodney H.
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
188 829, 188134, 192 7, B60K 4126, F16D 5548
Patent
active
050905295
ABSTRACT:
The mechanism 204 prevents reversal of the torque of shaft 203 by braking two disc members 206, 207 against braking surfaces of a casing 205. Under normal operating conditions the member 206 is turned by a motor 202 controlling a load 200 in a direction which causes its drive to be transmitted through balls 221 to the member 207. In this condition minimal braking occurs. If the direction of the shaft 203 is reversed, the balls 221 force apart contiguous camming surfaces on the disc members so that their braking surfaces engage the casing to brake the shaft 203. Controlled manual release of the load under braked conditions is permitted by turning a handle 224 driving a shaft 210 which turns the member 207. Minimal braking friction during normal operations is reduced still further by creating a cushion of oil between the braking surfaces, the oil being provided by a gear pump 216 driven off the shaft 210. The braking surfaces on the casing are referenced 208, 209 and are borne upon by complementary rim surfaces of the disc members 206,207.
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Fahy Arthur J.
Gillies Neil
Wade Malcolm V.
Bonck Rodney H.
IVG Australia Pty. Limited
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