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Title:
SAFETY SWITCH
Document Type and Number:
Japanese Patent JP2007227158
Kind Code:
A
Abstract:

To prevent troubles caused in the maintenance management of a locking mechanism and to reduce the cost using few parts.

In order to carry out maintenance work on a work robot R, a worker pulls a handle 30 of a slider 26, and by making this slider 26 retreat, a slider fitting part 37 is extracted from a fitting hole part 15, and an actuator 33 is extracted out from an operation part 22 of a door-switch 20. In this case, a key 18 inserted into a key-hole 16a of a lock 16 is rotated by 90°, and a protruding part 17A for intervention is turned toward the longitudinal direction so that fitting of the slider fitting part 37 to the fitting hole part 15 is inhibited. It is so arranged that only in this state can the key 18 be disengaged from the key-hole 16a of the lock 16.

COPYRIGHT: (C)2007,JPO&INPIT


Inventors:
FUKUMOTO TETSUYA
SHUIDE YOICHI
NAKANISHI SHIGEKI
SASAKI SHUNKICHI
TAKENAKA EIKO
SHIMAZU KENJI
Application Number:
JP2006047010A
Publication Date:
September 06, 2007
Filing Date:
February 23, 2006
Export Citation:
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Assignee:
OMRON CORP
International Classes:
H01H27/00; E05B65/00; F16P3/10; H01H3/20
Domestic Patent References:
JPH1021793A
JPH08111145A
JP2000207979A
Attorney, Agent or Firm:
青木 輝夫



 
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