Title:
建具
Document Type and Number:
Japanese Patent JP5465150
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide fittings with locking devices, which can perform locking/unlocking operation on a daily basis and which can keep a door in a locked state without reference to operating situations in case of fire.SOLUTION: Fittings include a frame 1, a door 2 supported by the frame, and door locking devices 3a and 3b. The door locking device comprises: a rod 4 which is made of a refractory metal and which can be shifted to a locking position to be protruded from the door and engaged with the frame and an unlocking position to recede into the door; an urging member 5 which is made of a refractory metal and which urges the rod in a protruding direction; an operation section 6 which is made of a resin, which is connected to the rod, and which enables the rod to be operated to be shifted to the locking and unlocking positions; and a slide guide implement 7 which is made of a refractory metal, which is provided on the door away from the operating section, and which guides the rod. When the operating section 6 is melted by heat of fire, the rod 4 is shifted to the locking position by an urging force of the urging member 5.
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Inventors:
Tomonori Hirose
Naohiro Nishio
Hideaki Matsuura
Naohiro Nishio
Hideaki Matsuura
Application Number:
JP2010240677A
Publication Date:
April 09, 2014
Filing Date:
October 27, 2010
Export Citation:
Assignee:
Sankyo Tateyama Co., Ltd.
International Classes:
E05C1/06; A62C2/06; A62C2/24; E05B65/10; E05C19/00; E06B5/16
Domestic Patent References:
| JP3025585U | ||||
| JP8312227A | ||||
| JP9242397A | ||||
| JP2009084785A |
Attorney, Agent or Firm:
Yoichi Kobayashi