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:
Aug. 14, 1990
Filed:
Jun. 09, 1989
Applicant:
Inventors:
Assignee:
Asmo Co., Ltd., Kosai, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ; H05K / ; B32B / ;
U.S. Cl.
CPC ...
310268 ; 29846 ; 310 45 ; 310D / ; 428 64 ; 428413 ;
Abstract
A rotor for printed-wiring motors includes a flat disk-like non-iron armature mounted on a hub secured to a rotating shaft, the armature being composed of at least two sheet coil assemblies bonded together under heat and pressure with a first thin insulating disc disposed therebetween. Each of the sheet coil assemblies is composed of a pair of sheet coils bonded together under heat and pressure with a second thin insulating disc disposed therebetween. Both the first and second insulating disc are formed of a web of aramid fiber coated with an insulating bonded adhesive.