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:
Dec. 25, 1990
Filed:
Sep. 14, 1989
Applicant:
Inventor:
John S Lindsay, Shrewsbury, MA (US);
Assignee:
The Pratt & Whitney Company, Inc., West Hartford, CT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
474166 ; 474187 ;
Abstract
A pulley having a special outer contour particularly adapted to establish self aligning of narrow width belts rotating thereon. The outside diameter of the pulley is gradually crowned from each end with a more sharply crowned ridge located at the center intermediate the ends of the pulley to provide a compound crowned contour.