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Title:
LOCK OF SOUNDPROOF DOOR
Document Type and Number:
Japanese Patent JP3950944
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To keep an outside handle from readily moving outward even when vibration or the like is generated.
SOLUTION: A lock for a soundproof door includes a seat plate secured via a fastener to the exterior wall surface of the soundproof door opposite to the outside wall of a lock case, an outside handle 6 inserted into the seat plate and removably attached to the rectangular shaft 7 of an inside handle, and a vertical rod which, when the outside handle 6 or inside handle is depressed vertically, moves vertically via a cylindrical body provided integrally with the rectangular shaft 7. A handle holding mechanism 30 is provided at the base of the outside handle 6, and a movable pressure connector 33 constituting the handle holding mechanism 20 is constantly pressed against the rectangular shaft 7 of the inside handle by the spring force of an energizing spring 34.


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JP2011157737HANDLE DEVICE
Inventors:
Masahiro Kotoku
Application Number:
JP34052396A
Publication Date:
August 01, 2007
Filing Date:
December 05, 1996
Export Citation:
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Assignee:
Miwa Lock Co., Ltd.
International Classes:
E05B3/00; E05C9/04; E05B65/06; (IPC1-7): E05B3/00; E05B65/06; E05C9/04
Domestic Patent References:
JP2048597Y2
JP61069371U
JP2019478U
JP6062148U
JP2074470U
JP35017279Y1
Attorney, Agent or Firm:
Mitsuyasu Miura