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MULTISTAGE PUSHBUTTON SWITCH DEVICE AND MULTISTAGE PUSHBUTTON SWITCH DEVICE FOR ENDOSCOPE
专利权人:
HOYA CORPORATION
发明人:
Tetsu HIRAYAMA
申请号:
US15775227
公开号:
US20180325358A1
申请日:
2016.11.07
申请国别(地区):
US
年份:
2018
代理人:
摘要:
In a multistage pushbutton switch device, n pushbutton switches and at least one load absorption spring are movably arranged in between a pushbutton member and a reaction force wall in the same axial line, each of the n pushbutton switches is composed of an electrical switch member and a pressing member that operates the electrical switch member, and (n−1) that is one less than n, or more pushbutton switches is arranged with an intermediate spring member, when the pushbutton member is pressed and displaced, the n electrical switch members are sequentially turned on, the load absorption spring is arranged in at least one of between the pushbutton member and the pushbutton switch that is the nearest to the pushbutton member, between pushbutton switches that are adjacent, and between the reaction force wall and the pushbutton switch that is the nearest to the reaction force wall.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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