Elevator
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Nov 3, 2014
filing date -
Nov 5, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A counterweightless elevator includes a hoistway, a car vertically movable in the hoistway, one or more suspension ropes, a rotatable drive member engaging said suspension rope(s), each of the suspension rope(s) having a first rope section on the first side of the drive member and a second rope section on the second side of the drive member, and each rope section being connected to the car, said first rope section suspending the car, and a tightening device arranged to tighten the second rope section. Each of said rope(s) is belt-like and includes a load bearing member or a plurality of load bearing members, which load bearing member(s) is/are made of composite material including reinforcing fibers embedded in a polymer matrix, which reinforcing fibers are carbon fibers.
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