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. 12, 1989
Filed:
Nov. 23, 1988
Dewey D Henderson, Springfield, MO (US);
Dayco Products, Inc., Dayton, OH (US);
Abstract
A tensioner for a power transmission belt that is adapted to be operated in an endless path and a method of making the same are provided, the tensioner having a frictional dampening unit operatively associated with the support unit and the belt engaging unit thereof to dampen the movement of the belt engaging unit relative to the support unit, the dampening unit comprising a pair of frictionally engaging first and second parts with the first part comprising an annular pad of friction material that is coaxially disposed and axially movable on a shaft relative to the second part, and a spring urging the first part against the second part with a certain spring force, the tensioner having an antifriction annular disc-like member disposed on the shaft between the first spring and one of the support unit and the belt engaging unit, the first part of the dampening unit having a guide thereon, the one of the support unit and the belt engaging unit having an opening therein that receives the guide therein to guide axial movement of the first part, the tensioner having a bearing disposed in the opening and receiving the guide therein, the antifriction disc-like member carrying the bearing on one side thereof.