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Patent Searching and Data


Title:
LIFTING DRIVE FOR ELEVATOR
Document Type and Number:
Japanese Patent JP2004035118
Kind Code:
A
Abstract:

To provide a lifting drive for an elevator capable of attaining manufacturing cost reduction.

This lifting drive for the elevator 1 includes a stationary member 2; a sheave 3 which rotates relatively to the stationary member 2 and is wound with a rope 4; an electric motor 6; and a reduction gear for transmitting the rotation of a rotor 10 of the electric motor to the sheave 3. The reduction gear is of planetary gear type reduction gear 20 including: an input shaft 21 integral with a rotor 10 of the electric motor 6; a stationary ring member 22 arranged inside the sheave 3 in a radial direction and integral with the securing member 2; a plurality of planetary rollers 26 engaged with the outer circumference of the input shaft 21 and the inner circumference of the stationary member 22 at the outer circumference; and a supporting member 28 in which the plurality of planet rollers 26 are rotatably supported to fetch output rotation and which has a supporting member 28 integral with the sheave 3.


Inventors:
MIYOSHI HIROYUKI
MASUDA TOMOHIKO
Application Number:
JP2002191168A
Publication Date:
February 05, 2004
Filing Date:
June 28, 2002
Export Citation:
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Assignee:
TS CORP
International Classes:
B66B11/08; B66D1/14; F16H13/08; (IPC1-7): B66B11/08; B66D1/14; F16H13/08