Emergency descending device

Details Emergency descending device Emergency descending device

A - Human Necessities

62

B

227/5

A62B 1/06 (2006.01) A62B 1/10 (2006.01)

Patent

CA 1309393

ABSTRACT OF THE DISCLOSURE An emergency descending device comprising a rotary wheel and a cam mounted between a pair of side plates, with a main rope passing between the rotary wheel and the cam. The rotation of the rotary wheel caused by the main rope generates a centrifugal force on a brake shoe, and the brake shoe tends to rotate a brake drum. The rotation of the brake drum rotates the cam toward the rotary wheel thereby clamping the main rope therebetween, and suitable descending speed can be obtained.

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