Title:
EMERGENCY UNLOCK DEVICE FOR ELECTRONIC LOCK
Document Type and Number:
Japanese Patent JP3307040
Kind Code:
B2
Abstract:
PURPOSE: To unlock an electronic lock used for a utensil such as a safe with the use of a key when the electronic key fails in use.
CONSTITUTION: A bolt piece 12 adapted to be engaged in and disengaged from a utensil body 1 and provided at the rear surface of a door 2 of the utensil such as a safe, is linked to a handle part 4. A solenoid 17 extends its movable core 19 upon deenergization, but retracts the same upon energization. Meanwhile, an engaging member 16 which is adapted to be engaged with the movable iron-core 19 when the movable iron-core 19 is extended, is linked to the bolt piece 12. In such arranged electronic lock, a releasing piece 18 which operates so as to press the movable iron-core 19 into the solenoid is linked to the cylinder lock 29.
More Like This:
| WO/1992/020892 | METHOD AND APPARATUS FOR A LOCKABLE, REMOVABLE CASSETTE |
| JPH05133160 | DEVICE FOR OPENING AND CLOSING DOOR |
Inventors:
Osamu Yamamoto
Kenichiro Kosugi
Kenichiro Kosugi
Application Number:
JP31465293A
Publication Date:
July 24, 2002
Filing Date:
December 15, 1993
Export Citation:
Assignee:
Itoki Crebio Co., Ltd.
Itoki Co., Ltd.
Itoki Co., Ltd.
International Classes:
E05G1/04; E05B47/00; E05B47/06; E05B65/02; (IPC1-7): E05B47/00; E05B47/06; E05B65/02; E05G1/04
Domestic Patent References:
| JP61204481A | ||||
| JP58181764U | ||||
| JP48677U | ||||
| JP473185U |
Attorney, Agent or Firm:
Takao Yagino