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Patent Searching and Data


Title:
BRAKE DEVICE AND ELEVATOR SYSTEM
Document Type and Number:
WIPO Patent Application WO/2016/113845
Kind Code:
A1
Abstract:
This brake device has a function of adjusting the speed of a winding machine that is a component of an elevator system, or stopping the winding machine, and includes: a rotated braking body (1) that has a rotary shaft and operates in connection with rotation of the winding machine; a plurality of pads (2A, 2B) that are arranged on a surface of the rotated braking body (1) so as to be freely attachable to or detachable from the surface, and have a function of imparting braking force to the rotated braking body (1); and a plurality of calipers (3A, 3B) that hold the pads (2A, 2B). The plurality of calipers (3A, 3B) have an identical structure. The pads (2A, 2B) each have a pressed part that is to come in contact with the surface of the rotated braking body (1) and recessed parts that do not come in contact with the surface of the rotated braking body (1). A position in the rotated braking body (1) that comes in contact with the pressed part of the pad (2A) provided in one of the plurality of calipers (3A, 3B) is different from a position in the rotated braking body (1) that comes in contact with the pressed part of the pad (2B) provided in the other caliper (3B). Thereby, reduction or dispersion of the frictional heat caused by the pads of the brake device is enhanced, the structures of the calipers that hold the respective pads are made identical, and a simple structure and easy assembly and adjustment, etc. can be achieved.

Inventors:
ABE TAKASHI (JP)
NAKAYAMA TETSUYA (JP)
Application Number:
JP2015/050668
Publication Date:
July 21, 2016
Filing Date:
January 13, 2015
Export Citation:
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Assignee:
HITACHI LTD (JP)
International Classes:
F16D65/092; F16D55/28; F16D69/00
Foreign References:
JP2013144585A2013-07-25
JPH06313455A1994-11-08
JPS60182537U1985-12-04
JP2014122103A2014-07-03
Other References:
See also references of EP 3246587A4
Attorney, Agent or Firm:
POLAIRE I. P. C. (JP)
Polaire Intellectual Property Corporation (JP)
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