Elevator system

Details Elevator system Elevator system

B - Operations, Transporting

66

B

187/6

B66B 11/04 (2006.01) B66B 11/08 (2006.01) B66B 15/04 (2006.01)

Patent

CA 1257208

ABSTRACT OF THE DISCLOSURE Traction enhancement for a traction elevator system having an elevator car and counterweight connected by a plurality of wire ropes reeved about a drive sheave with a predetermined angle of wrap. An arcuate frame having a plurality of rollers has one end pivotally and adjustably fixed, while its other end biases the rollers against the ropes in the angle of wrap with a tension spring. Over travel of the elevator car releases the bias to allow the ropes to slip should the counterweight reach an end of its travel path.

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