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:
Dec. 09, 1980
Filed:
May. 23, 1978
Applicant:
Inventor:
Robert E Coburn, Warminster, PA (US);
Assignee:
Molins Machine Company, Inc., Cherry Hill, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23D / ; B23D / ;
U.S. Cl.
CPC ...
83665 ; 83499 ; 83504 ; 403-5 ;
Abstract
A corrugated paperboard slitter scorer has slitting and scoring heads movable individually or as a group along an expandable shaft by way of a master shifter. The expandable shaft provides a friction drag to maintain a head in position until all heads are simultaneously locked to the shaft.