Title:
可動接点
Document Type and Number:
Japanese Patent JP4894671
Kind Code:
B2
Abstract:
A movable contact includes a dome portion having substantially a dome shape and a periphery, and four projections provided on a concave surface of the dome portion. The periphery of the dome portion has substantially an oval shape having a longitudinal direction. The periphery having two linear peripheries in parallel with the longitudinal direction and two arcuate peripheries connected to the two linear peripheries at four corners. The four corners are arcuate. Two diagonal lines connecting the four corners intersect at a center of the dome portion. The four projections are located on the two diagonal lines at identical distances from the center. The movable contact contacts a fixed contact stably with an excellent click feeling on a pushing operation.
Inventors:
Karaki Minoru
Akira Ue
Nobumasa Nakao
Akira Ue
Nobumasa Nakao
Application Number:
JP2007205272A
Publication Date:
March 14, 2012
Filing Date:
August 07, 2007
Export Citation:
Assignee:
Panasonic Corporation
International Classes:
H01H5/30; H01H13/48
Domestic Patent References:
| JP2005183140A | ||||
| JP2005085565A | ||||
| JP2004303716A |
Attorney, Agent or Firm:
Hiroki Naito
Daisuke Nagano
Kentaro Fujii
Daisuke Nagano
Kentaro Fujii