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Title:
UNLOCKING DEVICE FOR LATCH OF SWING DOOR, AND FITTING
Document Type and Number:
Japanese Patent JP2010084504
Kind Code:
A
Abstract:

To prevent an operation member from becoming an hindrance in storage, loading, shipping and the like.

An unlocking device for a latch of a swing door includes a swing door arranged in the openable/closable manner to the outside of the front walls with reference to left- and right-front walls of vertical fixed members, a latch-receiver projecting on the front wall of the fixed member and engaged/disengaged with/from a reversal latch in a lock box mounted inside of the swing door; an operation piece internally mounted at a free end of the swing door and provided with an operation part moving fore-and-aft direction via a spindle; and an operating arm provided on the operation piece via a movable shaft to co-operate with the operation piece and unlocking a locking piece for the reversal latch in the lock box. When the door is closed, the reversal latch engaged with the latch-receiver is locked with the locking piece. When the operation piece is pulled, the locking piece is unlocked by displacement of the operating arm abutting on a receiving arm provided to the locking piece.


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Inventors:
KITAHASHI YUKIO
MOTONAGA TSUGIHIRO
KOTOKU MASAHIRO
Application Number:
JP2008000306323
Publication Date:
April 15, 2010
Filing Date:
December 01, 2008
Export Citation:
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Assignee:
SANKYO TATEYAMA ALUMINIUM INC
MIWA LOCK KK
International Classes:
E05C1/16; E05B15/10; E05B55/06; E05B63/14; E05B65/06; E05C1/04
Domestic Patent References:
JP2008050864A2008-03-06
JPH08100559A1996-04-16
JP2008240265A2008-10-09
JPH0320688U1991-02-28
Attorney, Agent or Firm:
三浦 光康