Patent ID: 9536687
Date: 2017-01-03
CPC Classifications: H01H

Claim:
1. A push switch comprising: a switch contact part for carrying out electrical connection by pressing; a case having a wall part on a periphery thereof and accommodating the switch contact part in a concave portion surrounded by the wall part; a protective sheet covering the concave portion; and a pressing member disposed under the protective sheet, wherein: the protective sheet has an overlap portion overlapping the wall part, when viewed from the above, at least a part of the overlap portion of the protective sheet and at least a part of an upper surface of the wall part of the case are welded together as a first welding place, the switch contact part includes a dome shaped movable contact, the protective sheet inclines from an upper surface of the wall part to an upper surface of the pressing member, a width of the first welding place is narrower than a width of the overlap portion of the protective sheet, when viewed from the above, and the first welding place is provided at an outer side from an inner periphery of the wall part by 0.03 mm or more.