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. 18, 2000
Filed:
Jul. 29, 1996
Applicant:
Inventors:
Rikuro Obara, Nagano-ken, JP;
Katashi Tatsuno, Nagano-ken, JP;
Assignee:
Minebea Kabushiki-Kaisha, Nagano-ken, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
384613 ; 384512 ; 384547 ;
Abstract
A compound ball bearing type pulley comprises a bearing assembly including a spindle 1, a sleeve 2 surrounding the spindle 1 with outer flanges 22a, 22b formed on upper and lower ends of the sleeve and an inner ring fitted on the spindle. Balls 5, 9 are provided and between the spindle 1 and sleeve 2, between the inner ring 6 and sleeve 2. Conventional outer rings are not necessary and the outer diameter of the pulley can be made smaller.