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Title:
SAFETY SWITCH DEVICE
Document Type and Number:
Japanese Patent JP2007207575
Kind Code:
A
Abstract:

To provide a safety switch device which enables an operator to easily recognize need to remove an operation objection (key) from the insertion of a changeover switch, in order to make possible to advance an actuator into and retract from the operation unit of the safety switch.

In a safety switch device 1, when a safety key 260 is inserted into the key insertion 251 of a changeover switch 10, a joint 4 being jointed to an actuator 3 prevents the actuator 3 from advancing into and retracting from the operation unit 5 of the safety switch 1. Accordingly, in a state that the safety key 260 is inserted into the key insertion 251 of the changeover switch 10, the actuator 3 is prevented from advancing into and retracting from the operation unit 5 of the safety switch 1, which enables an operator to easily recognize need to remove the safety key 260 from the key insert portion 251 and then can improve safety more.

COPYRIGHT: (C)2007,JPO&INPIT


Inventors:
HIDAKA TAKASHI
NOBUHIRO MASAKI
Application Number:
JP2006024947A
Publication Date:
August 16, 2007
Filing Date:
February 01, 2006
Export Citation:
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Assignee:
IDEC CORP
International Classes:
H01H27/00; F16P3/10; H01H9/28; H01H27/06
Domestic Patent References:
JP2000207979A
JPH08111145A
JPH07134924A
Attorney, Agent or Firm:
梁瀬 右司
振角 正一



 
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