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:
Jun. 01, 2010
Filed:
Dec. 14, 2007
Applicant:
Philippe Clement, Penthalaz, CH;
Inventor:
Philippe Clement, Penthalaz, CH;
Assignee:
Bobst S.A., , CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A coupling device for driving an engraved cylinder of a printing device. The coupling device comprises a single part of chromium, nickel and molybdenum alloyed steel having undergone core hardening. The coupling device includes a central cylindrical portions, first and second flanges at the respective first and second ends of the cylindrical portion, each flange having a side portion operable to distort under stress and act as a membrane. The ratio of the difference between the diameter and the flange and the diameter of the central portion divided by the average thickness of the side portion of the flange is between 7 and 15.