The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 24, 1984
Filed:
May. 23, 1983
Frank J Graninger, Milwaukee, WI (US);
Gilbert A Reichert, Greendale, WI (US);
Allen-Bradley Company, Milwaukee, WI (US);
Abstract
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.