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Title:
ELECTRIC LOCK
Document Type and Number:
Japanese Patent JP2010174619
Kind Code:
A
Abstract:

To provide an electric lock having a plurality of lock parts capable of being opened and closed mechanically as well as electrically and improving safety to prevent the occurrence of crime.

This electric lock having at least two lock parts capable of being opened and closed electrically and being also opened and closed mechanically by a key and having a cylinder each is provided with a detection means for detecting an opening or closing state of each lock part and a control means for locking and unlocking each lock part electrically. Each lock part is composed of a dead bolt, the cylinder having a key hole to let the dead bolt come in and out by its rotation, and a driving part for rotating the cylinder electrically. The control means locks the lock part whose switchover from a locked state into an unlocked state is precedently detected electrically if switchover from a locked state into an unlocked state of the other lock part is not detected within the predetermined period of time after the switchover from the locked state into the unlocked state of any lock part is detected by the detection means.


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Inventors:
HASHIMOTO MASAYUKI
ADACHI SHINJI
Application Number:
JP2010000073014
Publication Date:
August 12, 2010
Filing Date:
March 26, 2010
Export Citation:
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Assignee:
PANASONIC ELEC WORKS CO LTD
International Classes:
E05B47/00; E05B35/08; E05B63/14; E05B45/08
Domestic Patent References:
JPH11293983A1999-10-26
JPH11293977A1999-10-26
JPH07145679A1995-06-06
JPS58138874A1983-08-17
JP3937867A
Attorney, Agent or Firm:
西川 惠清