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Title:
AUTOMATICALLY LOCKED DOOR-LOCK BY PULLING INNER GRIP
Document Type and Number:
Japanese Patent JPH1061279
Kind Code:
A
Abstract:

To provide a door lock which is automatically locked by pulling an inner grip.

This door lock is mounted on a single swinging door which opens a door main body A outside. An outer handle 5 is provided turnably around the door main body 5 while an inner handle 4 is provided turnably and slidably with a specified length L in the longitudinal direction. A unidirectional clutch mechanism 8, which is clutched off when the inner handle 4 is pulled by a specified length, is provided between the inner handle 4 and the outer handle 5. Furthermore, a clutch position holding mechanism 9 is provided on he unidirectional clutch mechanism 8 where the clutch position holding mechanism 9 is designed to turn both the inner handle 4 and the outer handle 5 in one direction and is not allowed to turn when it is forced to turn reversely. A cam plate 10' is locked with the inner handle 4. A unidirectional cam mechanism 10 is provided between the peripheral surface of this cam plate 10' and an inner handle case 15 where the unidirectional cam mechanism 10 moves the inner handle 4 which moves slidingly, drawing up a latch 2 into a lock face 1 by turning the inner handle 4 in one direction, to the outer handle 5, and turns on the unidrectional clutch mechanism 8 and prevents reverse-turning of the inner handle 4.


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JP3107531FLAT LATCH LOCK
JPH11223060LOCK DEVICE
Inventors:
IMAI TOSHIO
Application Number:
JP1997000140692
Publication Date:
March 03, 1998
Filing Date:
May 29, 1997
Export Citation:
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Assignee:
IMAI MASARU
IMAI NORIFUMI
IMAI TOSHIO
International Classes:
E05C1/16; E05B1/00; E05B55/14; E05B65/06; (IPC1-7): E05B55/14; E05B1/00; E05B65/06; E05C1/16
Attorney, Agent or Firm:
吉井 昭栄 (外2名)