Low-Rise Elevator
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United States of America Patent
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Issued Date -
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app pub date -
Nov 25, 2014
filing date -
Dec 10, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
One or more drum winches rotate suspension members to raise and lower an elevator car within a hoistway. Support structures on opposite sides of the hoistway support the winch(es) or drive sheave(es). The suspension members may be configured in a dual closed loop system, a single open loop system, or a single closed loop system. The suspension members may be flat or toothed members. A synchronization device may be used to control the winch(es) or drive sheave(es) to maintain the level of the elevator car.
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Family
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Cited Art Landscape
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