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. 16, 1991
Filed:
Oct. 10, 1989
Applicant:
Inventor:
Patrick S Wang, Repulse Bay, HK;
Assignee:
Johnson Electric S.A., La Chaux de Fonds, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ; H01R / ; H01R / ;
U.S. Cl.
CPC ...
310233 ; 310235 ; 310234 ; 310236 ; 310 43 ;
Abstract
An assembled commutator has a thermoplastics base supporting segments. A ring 15 of high temperature, non-softening material, such as phenolic, fits on a shelf on the base beneath tangs which are for hot connection, particularly forging, to an armature wire. The ring is held in place by fingers on the tangs.