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:
Mar. 16, 1993
Filed:
Sep. 17, 1991
Applicant:
Inventor:
Robert J Pieroni, Youngstown, NY (US);
Assignee:
Eastman Machine Co., Buffalo, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ; B65H / ;
U.S. Cl.
CPC ...
226 90 ; 226181 ; 226186 ;
Abstract
An end cutter includes a pair of rollers (64,73) operatively arranged to frictionally engage cloth passing through the nip thereof. One of the rollers is mounted for unidirectional rotation such that the cloth may be pulled forwardly from a roll, but cannot retract when such pulling force is released. The logic includes a pressure comparator and pneumatically-operated safety dump valve (92,94) for sensing whether the cutter (31) has encountered a motion-impeding obstruction on its forward cutting stroke, and automatically releases the force urging the cutter to move forwardly in such event. The cutter is mounted on a rodless cylinder (48).