Title:
SWITCH DEVICE
Document Type and Number:
Japanese Patent JP2017045588
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a switch device whose overload absorption mechanism can be normally operated without hindrance to operation of a head part and an abutting part even if oil infiltrates into between the head part of an operation part and the abutting part.SOLUTION: An operation part 2 of a switch device 100 includes: a head part 3 capable of protruding from a switch body 1; a rod part 4 which is housed in the head part 3 so that one end is movable relative to the head part 3 and arranged so that the other end abuts on a diaphragm 6; and a second energization member 5 which is arranged between the head part 3 and the rod part 4 and whose energization force is larger than that of a first energization member 12. The rod part 4 is equipped with a communication part 4c for communicating the inside of the head part 3 and the inside of an operation chamber 1c.SELECTED DRAWING: Figure 1
Inventors:
NAKAGAWA MASATO
KICHISE NAOKI
KICHISE NAOKI
Application Number:
JP2015166271A
Publication Date:
March 02, 2017
Filing Date:
August 25, 2015
Export Citation:
Assignee:
YUSHIN SEIKI KOGYO KK
HINO MOTORS LTD
HINO MOTORS LTD
International Classes:
H01H13/06; H01H13/18
Attorney, Agent or Firm:
Kiyoshi Kato
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