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:
Feb. 10, 1981
Filed:
Feb. 01, 1979
Applicant:
Inventors:
Joseph B Snoy, Rockford, IL (US);
Richard D Preston, Rockford, IL (US);
Assignee:
Twin Disc, Incorporated, Racine, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
1921 / ;
Abstract
A hydraulically actuated friction plate type clutch having a centrifugally actuated valve for controlling the amount of modulation or engagement of the friction clutch, and apparatus such as a counterweight for counteracting the centrifugal force characteristics of the shiftable valve parts so that the capacity of the clutch remains substantially the same at all centrifugal speeds.