Title:
安全スイッチ
Document Type and Number:
Japanese Patent JP4047994
Kind Code:
B2
Abstract:
A main lock mechanism 211 and an auxiliary lock mechanism 212 are juxtaposed with a switch body 200, the main lock mechanism 211 including a switchable portion 250 switchable between Lock position and Unlock position, operation piece removably mounted to the switchable portion 250 for switching the switchable portion 250, and a lock body 240 which, when an actuator is inserted, disables or enables the rotation of a drive cam 1 depending upon whether the switchable portion 250 is at Lock position or Unlock position, the auxiliary lock mechanism 212 including a drive portion 270 actuated at transfer of the switchable portion 250 to Lock position, an auxiliary contact 280 alternating between a closed position and an open position depending upon whether the drive portion 270 is non-operative or operative, and an operative portion 290 which maintains the switchable portion 250 at Lock position when the drive portion 270 is non-operative and permits transfer of the switchable portion 250 to Unlock position when the drive portion 270 is operative.
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Inventors:
Yasushi Ueno
Takao Fukui
Takao Fukui
Application Number:
JP840999A
Publication Date:
February 13, 2008
Filing Date:
January 14, 1999
Export Citation:
Assignee:
idec corporation
International Classes:
H01H9/28; H01H27/06; F16P3/10; H01H27/00
Domestic Patent References:
| JP9245584A | ||||
| JP8148062A | ||||
| JP8111145A |
Attorney, Agent or Firm:
Ryose Uji