Title:
ELEVATOR EMERGENCY STOP DEVICE
Document Type and Number:
Japanese Patent JP2015168486
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To reduce a temperature rise of dampers of an emergency stop device provided in an elevator without complicating structure of the emergency stop device.SOLUTION: An elevator emergency stop device 4 comprises: a pair of wedged dampers 41 that hold a guide rail 2 vertically arranged in a hoistway 21 of an elevator 100; inclined bodies 44 arranged on back sides of the dampers; an elastic body 43 that imparts energizing force to the inclined bodies; and a hoisting member 42 that changes relative positions between the dampers and cars in case of emergency. Each of the dampers has: a friction material 41b provided so as to protrude to a face opposing to the guide rail; a heat absorption material 41c that is provided around the friction material and has heat conductivity higher than that of the friction material; and a support 41d that holds the friction material and the heat absorption material and is formed in a wedge shape.
Inventors:
ZAMA HIDETAKA
HIRANO KAORU
HIRANO KAORU
Application Number:
JP2014042058A
Publication Date:
September 28, 2015
Filing Date:
March 04, 2014
Export Citation:
Assignee:
HITACHI LTD
International Classes:
B66B5/22; F16D65/092
Attorney, Agent or Firm:
Polaire Patent Business Corporation