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:
Jan. 20, 1976
Filed:
Jul. 18, 1974
Applicant:
Inventor:
Walter J Iseman, Monroe Center, IL (US);
Assignee:
Sundstrand Corporation, Rockford, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
74200 ;
Abstract
A toroidal traction drive with a pair of spaced discs having opposed annular grooves and mounted in the casing for independent but interrelated coaxial rotation, a plurality of rollers positioned between the discs for frictional engagement with both discs, independent hydraulic control means for shifting each of the rollers with respect to the discs for varying the drive ratio, and a plurality of fixed cam means associated, one with each of the rollers, for bringing the roller axis of each roller to an intersecting relation with the drive axis to establish a steady state condition for the drive.