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Patent Searching and Data


Title:
MICROSWITCH AND OPERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/176689
Kind Code:
A1
Abstract:
Provided are a microswitch and an operation device having exceptional dustproof performance. A microswitch 2 is accommodated in an operation device such as a mouse. The microswitch 2 is provided with a contact chamber 24 that accommodates a contact mechanism 23 for opening/closing an electrical circuit, a casing 20 that accommodates the contact chamber 24, and a pressing member 21 for receiving a pressing action from the exterior of the casing 20. The pressing member 21 has an insertion part 211, which is inserted through an insertion hole 200 provided in the contact chamber 24 and which acts on the contact mechanism 23. The insertion part 211 moves in accordance with the state of pressing action applied from the exterior. The pressing member 21 has a shielding part 212 for shielding the insertion hole 200 from the contact-chamber 24 side. The lateral area of the shielding part 212 is greater than that of the insertion hole 200. The shielding part 212 is formed so as to block the insertion hole 200.

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Inventors:
KOBUCHI KEIICHIRO (JP)
IJIRI YOSHINORI (JP)
Application Number:
PCT/JP2019/008870
Publication Date:
September 19, 2019
Filing Date:
March 06, 2019
Export Citation:
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Assignee:
OMRON TATEISI ELECTRONICS CO (JP)
International Classes:
H01H13/06
Foreign References:
JP2007042359A2007-02-15
JPH03112836U1991-11-19
JP2003288820A2003-10-10
JPS63145228U1988-09-26
JPH02108224U1990-08-28
JPH0617053U1994-03-04
Attorney, Agent or Firm:
ARC PATENT ATTORNEYS' OFFICE (JP)
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