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US 6,672,046 B1Granted
Tension member for an elevator
AssigneeOtis Elevator Company
InventorsKarl M. Prewo, Mark S. Thompson, Pedro S. Baranda, David C. Jarmon
Life of this patent
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Abstract
A hybrid material tension member for an elevator or other people transportation system using organic fiber and steel material as the load carrying components either discretely or in combined form. Several embodiments are disclosed.
Claims8
A tension member for interconnecting and providing a lifting force to a car and a counterweight of an elevator system comprising:
- a plurality of steel and organic fiber load carrying members bearing the weight of the car and the counterweight;
- and
- a coating substantially enveloping said plurality of load carrying members and having an aspect ratio defined as a cross sectional width to thickness of the tension member of greater than one.
Dependencies are inferred from the claim text.