Title:
Elevator device
Document Type and Number:
Japanese Patent JP6235160
Kind Code:
B2
Abstract:
The present invention provides an elevator apparatus having novel opening and closing doors (1a, 1b) excellent in fire-resistance performance by inhibiting a melting buffer material (13) from dropping over gateway upper frames (10a, 10b) that come to be high temperatures. Buffer material receiving members (14a, 14b-1, 14b-2) extending in the directions of shifting hanger rollers (5a, 5b, 5c, 5d) are arranged between the upper parts of the gateway upper frames (10a, 10b) and the hanger rollers (5a, 5b, 5c, 5d), the melting buffer material (13) is received by the buffer material receiving members (14a, 14b-1, 14b-2), and the melting buffer material (13) is inhibited from dropping over the gateway upper frames (10a, 10b) of high temperatures. As a result, the danger of generating fire in a hoistway (8) reduces and an excellent fire-resistance performance is obtained.
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Inventors:
Fukuya Tsuyoshi
Shinsuke Ishizuka
Shinsuke Ishizuka
Application Number:
JP2016554964A
Publication Date:
November 22, 2017
Filing Date:
October 20, 2014
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
B66B13/30
Domestic Patent References:
| JP2002220181A | ||||
| JP63178284U |
Foreign References:
| US20110147131 | ||||
| WO2009072202A1 |
Attorney, Agent or Firm:
Polaire Patent Business Corporation
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