发明名称 |
Momentary-maintained lever operated pushbutton |
摘要 |
An improved momentary-maintained operating assembly for an electrical switch, including normally-closed maintained contacts and normally-open momentary contacts; lever operated overcenter, toggle mechanism including a stationary support pivotally supporting an operating cambeam member; a maintained and a momentary pushplate pivotally attached to rock the cambeam member on its pivot; spring members attached to cam follower rollers operating on convex cam surfaces of the cambeam member, with the spring members biasing the rollers towards the respective cam surfaces; the opposite ends of the pushplates being pivotally fastened to a yoke plate fastened to and rocked in alternative directions by the lever to operate the respective pushplates in maintained or momentary contact relationship; and separate spring means biasing the momentary pushplate away from contact operation.
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申请公布号 |
US4445013(A) |
申请公布日期 |
1984.04.24 |
申请号 |
US19830496828 |
申请日期 |
1983.05.23 |
申请人 |
ALLEN-BRADLEY COMPANY |
发明人 |
GRANINGER, FRANK J.;REICHERT, GILBERT A. |
分类号 |
H01H23/30;(IPC1-7):H01H15/18 |
主分类号 |
H01H23/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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