Title:
SAFETY DEVICE OF ELECTRIC CYLINDER FOR DOOR LOCK ACTUATION
Document Type and Number:
Japanese Patent JP2014234634
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a safety device in which a motor cannot be actuated by direct operation so as to prevent a movable part in an electric cylinder lock from being illegally unlocked by the direct operation.SOLUTION: A safety device of a cylinder for door lock actuation is constituted in such a manner that: in a door lock actuation cylinder, a motor control base plate supplying normal voltage and current to a motor by transmitting a specified pulse from a control base plate of a reader part provided in a door is mounted to a fixed cylinder; and safety means for preventing the normal voltage and current from being supplied to the motor unless the specified pulse is transmitted to the motor control base plate is provided.
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Inventors:
SAKAI NOBUYO
Application Number:
JP2013116686A
Publication Date:
December 15, 2014
Filing Date:
June 03, 2013
Export Citation:
Assignee:
SAKAI NOBUYO
International Classes:
E05B47/00; E05B9/08; E05B13/08
Domestic Patent References:
| JP3782812B2 | 2006-06-07 | |||
| JP2009108645A | 2009-05-21 | |||
| JP2011523687A | 2011-08-18 |
Attorney, Agent or Firm:
Mitsufumi Ezaki
Minoru Kajisawa
Minoru Kajisawa