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, 1978
Filed:
May. 14, 1976
James D Cole, Green Valley, AZ (US);
Other;
Abstract
An electric motor assembly has a stator assembly provided with a stator winding and an adjacent air gap aperture. A support member is provided at one end of the air gap aperture for positioning a non-rotatable rotor shaft in the air gap aperture. A rotor assembly has a central aperture in which first and second bearing are positioned. Each bearing is seated at one end against a beveled portion at an end of the rotor central aperture. The other end of each bearing is retained and biased against the beveled portion by a retaining spring secured to the rotor assembly. The first and second bearing rotatably engage the rotor shaft and permit the rotor assembly to rotate about the rotor shaft in the air gap aperture.