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:
Jun. 12, 1979
Filed:
Jan. 05, 1977
Applicant:
Inventors:
Nobuo Fukuma, Toyota, JP;
Yoshito Katou, Aichi, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
74798 ; 74202 ;
Abstract
A friction speed change gearing of the type comprising a plurality of planetary cylindrical rollers which make a planetary movement along an annular space defined by inner and outer races and a spider member engaged among the rollers in a sliding contact therewith, wherein flexible bearing shoes are provided in the spider member for improving the lubricating oil film maintained between the engaging surfaces of the roller and the spider member.