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:
May. 05, 1992
Filed:
Apr. 03, 1991
Applicant:
Inventor:
Thomas E Bieber, Coplay, PA (US);
Assignee:
Bell & Howell Phillipsburg Co., Allentown, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H / ;
U.S. Cl.
CPC ...
271 35 ; 271122 ; 271273 ;
Abstract
A sheet material feeder for high speed singulating and seriatim feeding of sheet material articles from the bottom of a stack disposed in a hopper comprises apparatus for feeding sheets from the stack and a restrainer device for restraining all but the lowermorst sheet from being fed from the hopper by virture of transversely corrugating the sheet while it is fed from the hopper and passed through the restrainer.