Elector emergency device

Details Elector emergency device Elector emergency device

1996-03-05

1997-10-28

Noland, Kenneth

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

Includes linking support cable in drive-means

187350, B66B 1108

Patent

active

056809115

ABSTRACT:
An elevator emergency device comprises a motor transmission spindle brake provided with an action rod having horizontally a application rod capable of swinging and having a pull cable fastened thereto, said application rod provided at a midsegment thereof with a rotary wheel having an action cable woung thereon such that one end of said action cable is fastened with an idle wheel. When the pull cable is pulled, the application rod is activated to cause the rotation of the action wheel as well as the disengagement of the brake shoe with the motor transmission spindle, thereby bringing about the operation of the elevator cab lifting and descending cable. The transmission wheel and the rotary wheel are provided with a speed-limiting friction wheel for regulating the rotational speed of the action wheel so as to prevent the elevator cab lifting and descending cable from moving the elevator cab too rapidly.

REFERENCES:
patent: 4592450 (1986-06-01), Schaffer

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