Westinghouse Electric Corporation

Arnold M Morris

Kim E Morris

Jitendra K Trivedi

Traction enhancement for a traction elevator system has 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.

Elevator system

A traction elevator system including elevator ropes, and hitch plates for terminating the elevator ropes. At least one of the hitch plates includes first and second vertically spaced, aligned support levels, with the rope terminations defining first and second complementary patterns, respectively, selected to reduce the maximum fleet angle by providing components thereof in the axial direction, with respect to the sheave axis, and transverse thereto, and by reducing the cross-sectional area occupied by the ropes at the hitch plate.

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West Caldwell, NJ, United States of America

Arnold M Morris