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:
Jul. 01, 1986
Filed:
Dec. 27, 1983
Applicant:
Inventor:
Gunter Heyden, Neuwied, DE;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B26D / ;
U.S. Cl.
CPC ...
83346 ; 83481 ; 83663 ; 83911 ;
Abstract
A quick change cutting cylinder for letter envelope and hygiene machines is rovided wherein the cylinder is rotatably received on both its sides with conical cylinder journals on the end faces thereof coaxially in respective bearing units which run with pretensioned precision anti-friction bearings with great radial and axial stiffness without play, and which are locked on a common parallel guide by means of fast-acting clamping devices.