Trolley braking method and apparatus for use with conveyors

Details Trolley braking method and apparatus for use with conveyors Trolley braking method and apparatus for use with conveyors

B - Operations, Transporting

61

H

188/16

B61H 7/00 (2006.01) B60T 7/12 (2006.01) B61C 13/04 (2006.01) B61K 7/04 (2006.01) B62D 65/18 (2006.01)

Patent

CA 1308038

TROLLEY BRAKING METHOD AND APPARATUS FOR USE WITH CONVEYORS Abstract A weight bearing trolley moves along a track having flanges between which a guide wheel of said trolley is positioned. The movement of the trolley is monitored to determine when braking is desired and, when desired, pressure is applied to said guide wheel, forcing it into contact with one of said flanges and producing frictional retarding force braking said trolley. A fail-safe actuator utilizes fluid pressure to keep a brake operating spring compressed when braking is not wanted.

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