Title:
DOOR LOCK DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/199298
Kind Code:
A1
Abstract:
The present invention is to provide a door lock device which is capable of minimizing the loss of a driving force by a lateral pressure of a thumb-turn gear and a thumb-turn rotating body or an assembly structure of the thumb-turn rotating body, and of minimizing a load during a manual operation by the thumb-turn rotating body or the assembly structure of the thumb-turn rotating body, wherein a groove acting as an idle rotation interval of a driving force is formed in the thumb-turn rotating body or the assembly structure of the thumb-turn rotating body so that when a user manually rotates a lever (or knob) for locking or unlocking a lockset of the door lock device, the manual rotation is separated from a driving motor, whereby the manual rotation of the lever (or knob) for locking or unlocking the lockset can be smoothly achieved even with a small power and the load of the driving motor can be minimized as well.
Inventors:
MAENG CHUL-HO (KR)
KIM DONG-YEOL (KR)
KIM DONG-YEOL (KR)
Application Number:
PCT/KR2014/012208
Publication Date:
December 30, 2015
Filing Date:
December 11, 2014
Export Citation:
Assignee:
SAMSUNG SDS CO LTD (KR)
International Classes:
E05B47/06; E05B49/00
Foreign References:
| EP2592203A2 | 2013-05-15 | |||
| JP3434541B2 | 2003-08-11 | |||
| KR200465833Y1 | 2013-03-12 | |||
| US20090173120A1 | 2009-07-09 | |||
| KR200298361Y1 | 2002-12-16 |
Attorney, Agent or Firm:
PARK, SANG-SOO (KR)
박상수 (KR)
박상수 (KR)
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