Driving apparatus for elevator
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United States of America Patent
Stats
-
Jul 27, 2004
Grant Date -
Sep 4, 2003
app pub date -
Mar 6, 2003
filing date -
Jun 2, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A driving apparatus for an elevator includes rotary elements disposed in such a manner as to be in contact with a circumferential surface of an input shaft adapted to be rotationally driven by an electric motor device so as to rotate as the input shaft rotates, a cylindrical element disposed in such a manner as to be in contact with the rotary elements on an inner circumferential surface thereof so as to rotate as the rotary elements rotate, and a sheave provided on an outer circumferential side of the cylindrical element and configured so as to be wound therearound with ropes for lifting up and/or down a moving cage of the elevator. A brake device is disposed in a radial direction of the sheave for braking a brake disc constructed so as to extend in the radial directions and secured to the sheave.
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