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. 17, 1986
Filed:
Jan. 30, 1984
Applicant:
Inventors:
Hermann Thomas, Darmstadt, DE;
Josef Herd, Munster, DE;
Assignee:
Maschinenfabrik Goebel GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B26D / ;
U.S. Cl.
CPC ...
83698 ; 144218 ; 144230 ; 407 43 ; 409217 ;
Abstract
An apparatus for rapidly changing a plurality of knives secured within a knife cylinder of a paper cutting or perforating machine includes a pressure generator for pressurizing a plurality of pressure cylinders which actuate a force transmission mechanism for bracing the knives securely within the knive cylinder. A pressure conduit system includes a device for admitting a pressure medium into the system and a device for bleeding the system. A biasing mechanism is provided to maintain pressure within the conduit system.