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:
Jan. 06, 1981
Filed:
May. 04, 1978
Applicant:
Inventors:
Helmut Muller, Heidenheim, DE;
Heinz Schweizer, Heidenheim, DE;
Assignee:
Voith Transmit GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
64 3 / ; 64 / ; 64 / ;
Abstract
A coupling having two coupling members with engaging faces; each face has a plurality of annular, concentric ribs of trapezoidal cross-section and grooves correspondingly shaped to receive the ribs on the other face; less than the entire contact area of each face is ribbed; a spigot on one in a recess coupling member is received for initially positioning the coupling members; devices for clamping the coupling members together.
Muller, Helmut. (1981). Coupling for torque transmission (U.S. Patent No. 4242889). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4242889
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile