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Title:
SAFETY SWITCH
Document Type and Number:
Japanese Patent JP2004356069
Kind Code:
A
Abstract:

To prevent an actuator from protruding from a door when the door is opened in a safety switch.

In a safety switch 1, a protruding piece 3 provided in an actuator 10 is constituted to be movable, and a control lever 5 to move the protruding piece 3 along a movement direction of the door and a main body case 7 to house the protruding piece 3 at a retreat position are provided. Based on operation of the control lever 5 by an operator, the protruding piece 3 is protruded and moved from an insertion port 21 and is made engageable with a rotation cam 23. Meanwhile, when a retreating operation to retreat the protruding piece 3 from the insertion port 21 is conducted, the protruding piece 3 is retreated outside a safety switch body 20 and the engagement state is released. In this disengagement state, the protruding piece 3 can be moved to the retreat position.


Inventors:
FURUKAWA HIROAKI
Application Number:
JP2003155702A
Publication Date:
December 16, 2004
Filing Date:
May 30, 2003
Export Citation:
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Assignee:
SUNX LTD
International Classes:
F16P3/08; H01H3/42; H01H27/00; (IPC1-7): H01H27/00; F16P3/08; H01H3/42
Attorney, Agent or Firm:
Arisa Ushiro



 
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