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Patent Searching and Data


Title:
SAFETY SWITCH HAVING ROTARY HEAD
Document Type and Number:
Japanese Patent JP3919907
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a safety switch wherein operation procedure for changing a rotational position of a control head is simplified and the control head is prevented from moving in the translational direction of an enclosure in a safety switch.
SOLUTION: This safety switch has a control head 20 attached rotatably to an enclosure 10 for housing an electrical contact part C. A cylindrical ring 25 of the control head 20 is inserted into an opening part 11g of the enclosure 10 and connected to an annular groove 30. Movement of the control head 20 in the direction of an axis Z1 is prevented by interlocking the annular groove 30 with, for example, a fork member 19. A fastening screw member 15 interlocks with a recessed four-cornered piece 31 disposed on a circumference of annular members by its finger part 15c and locks rotation of the control head 20.


Inventors:
Dalt, Hugues DA.
Application Number:
JP1997000299989
Publication Date:
May 30, 2007
Filing Date:
October 31, 1997
Export Citation:
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Assignee:
SCHNEIDER ELECTRIC SA
International Classes:
H01H27/00; (IPC1-7): H01H27/00
Foreign References:
DE3710079A
DE3943377C2
DE4238016A1
US4963706
US5488207
Attorney, Agent or Firm:
佐藤 一雄
前島 旭
玉真 正美
橘谷 英俊