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. 20, 1977
Filed:
Dec. 15, 1975
Applicant:
Inventor:
William P Davis, Exton, PA (US);
Assignee:
L G Industries, Incorporated, Coatesville, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
192 / ; 192 / ; 1921 / ; 192112 ;
Abstract
The pressure plate of a torque control device of the viscous shear type includes a plurality of circumferentially spaced fluid transfer ports extending between faces of the plates, the ports comprising blind slot portions opening on one face of the plate and indented portions in the other face of the plate in fluid communication with the blind slot portions. A method is disclosed for making such slots.