ELEVATOR

WIPO Patent Application WO/2018/199134

A1

An elevator including an elevator car that ascends and descends in a hoistway, a counterweight device linked to the elevator car by way of a rope, and a hoisting machine that drives the elevator car and the counterweight device by way of the rope, wherein the elevator is characterized in that the counterweight device is provided with: a pulley in which a rotary surface has a prescribed angle relative to the length direction of an upper frame, and on which the rope is wound about, the pulley being provided to the upper frame of a counterweight frame via a bracket; and an entanglement-preventing cover that is configured from a plurality of partial covers separable in the vertical direction, is secured to the bracket, and covers a side surface of the pulley, the entanglement-preventing cover having a bend part at an end part lateral to the partial covers such that a horizontal projection protrudes outward from a horizontal projection of the bracket, and being such that the horizontal projection of the bend part is adjacent to the horizontal projection of the bracket.

JP2003040551	MAIN ROPE MOVING DEVICE FOR ELEVATOR, METHOD FOR REMOVING MAIN ROPE USING THE SAME, AND METHOD FOR INSTALLING NEW MAIN ROPE
JPS5917024	[Title of the Invention] A balance chain device of an elevator

KAWABATA RYOHEI (JP)
KARIYA TOMOKI (JP)

PCT/JP2018/016743

November 01, 2018

April 25, 2018

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HITACHI LTD (JP)

B66B7/06; B66B11/00; B66B17/12

EP2781481A1	2014-09-24
JP2006027904A	2006-02-02
CN204938688U	2016-01-06
JPS6047781U	1985-04-04
EP1333000A1	2003-08-06

ISSHIKI & CO. (JP)

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