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:
Dec. 18, 1990
Filed:
Jul. 24, 1989
Applicant:
Inventors:
William D Crow, Maryland Heights, MO (US);
Ronald D Williams, St. Charles, MO (US);
Assignee:
Emerson Electric Co., St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
200 / ; 310 / ;
Abstract
A switch assembly for selectively engaging and disengaging contacts connected to electrical machinery such as the windings for an electric motor including a pair of conductive members having insulated base portions and flexible cantilevered portions extending outwardly therefrom, each carrying one of a pair of spaced opposed electrical contacts, with one cantilevered portion of the conductive members being shorter and stiffer than the other to enhance rolling wipe-action of the pair of contacts when engaged.