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:
Feb. 14, 1995
Filed:
May. 16, 1994
Applicant:
Inventors:
Robert K Aigner, Norwood Park, IL (US);
Joseph J Mahon, Libertyville, IL (US);
Assignee:
Eaton Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H / ; H01H / ;
U.S. Cl.
CPC ...
200 / ; 200 / ; 200 / ;
Abstract
A torque limiting drive and programmer/timer using same. A motor drives a driving member which has drive lugs engaging the central web of a plural-armed wave spring. The wave spring arms frictionally engaged radially oppositely facing annular friction surfaces on a driven member, which in a programmer/timer is the program cam, which upon rotation of the cam is operative for sequentially actuating electrical switches. User rotation of the cam when the motor is not operative allows the wave spring arms to slip against the annular friction surfaces permitting the user to position the cam as desired.