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:
Sep. 03, 1991
Filed:
Dec. 11, 1989
Applicant:
Inventor:
John S Barber, Jr, Lake St. Louis, MO (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
74193 ; 475166 ; 74200 ;
Abstract
A traction transmission mechanism comprising toric shaped inner and outer race elements, a series of pairs of transmission rollers arranged between the race elements, an epicycle gear train, and drive shaft and driven shaft or other structure constructively cooperating with the mechanism, to efficiently and compactly furnish output force, in either direction, with the transmission incorporating various load equalization mechanisms to balance roller element tangential and radial forces.
Barber, Jr, John. (1991). Toroidal transmission with split torque and equalization planetary drive (U.S. Patent No. 5044214). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5044214
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile