Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ELECTRIC LOCK FOR DOOR
Document Type and Number:
Japanese Patent JP2005248457
Kind Code:
A
Abstract:

To provide an electric lock with the illicit unlocking preventive function, easily installable in an existing lock device, regardless of a shape of a thumb-turn, without making a flaw such as an installation hole in a door.

A body case 11 has an interlocking gear 14 for fitting an attachment 16 for fitting the thumb-turn, an interlocking mechanism for electrically driving this interlocking gear 14, a control circuit for electrically controlling an electric motor, and a mode changeover switch 23 for switching this control circuit to one mode of an ordinary mode and a security mode; and is constituted for locking and unlocking by electrically driving the thumb-turn via the attachment 16 by attaching the body case 11 to the lock device by fitting the thumb-turn of the existing lock device to the attachment 16.


Inventors:
NAKAHIGASHI MASAICHI
NAKAISHI KAZUHIRO
ISHIKAWA KIYOHISA
SATO YUICHI
YOKOYAMA MUTSUTO
Application Number:
JP2004000057103
Publication Date:
September 15, 2005
Filing Date:
March 02, 2004
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
YUSHIN SEIKI KOGYO KK
TOKYO GAS CO LTD
International Classes:
E05B47/00; E05B45/08; (IPC1-7): E05B47/00; E05B45/08
Attorney, Agent or Firm:
小池 寛治