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. 07, 1983
Filed:
Dec. 18, 1980
James H Kraus, Huntington Beach, CA (US);
Excelermatic Inc., Austin, TX (US);
Abstract
A traction roller transmission with traction rollers arranged between and in engagement with toric discs for the transmission of motion therebetween includes traction roller support trunnions which are pivotally supported by saddles nested in curved sections of a force balancing band structure which extends around all the traction rollers. The saddles and trunnions have support surfaces with a curvature whose centerline is a tangent to the center circle to the toroidal cavity formed between the discs to permit pivoting of the trunnions for a change of the transmission ratio. The trunnions extend axially through openings in the balancing bands and have pistons at their ends disposed in cylinders to which pressurized fluid can be supplied to cause axial precess movement of the trunnions for initiation of a change of the transmission ratio.