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. 09, 1991
Filed:
Apr. 14, 1989
Applicant:
Inventor:
Raymond Simpson-Davis, Southampton, GB;
Assignee:
De La Rue Systems, Ltd., , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H / ;
U.S. Cl.
CPC ...
271262 ; 271263 ; 271272 ; 271273 ; 271274 ;
Abstract
Sheet feeding apparatus for use in a sheet thickness monitoring system comprises a pair of rollers (1, 5) which define a nip or gap (25) therebetween, the rotation of the rollers (1, 5) causing sheets to be fed between the rollers. The passage of a sheet between the rollers (1, 5) causes deflection of one roller (5) relative to the other (1) by an amount related to the sheet thickness. The one roller (5) is biassed into engagement with the other roller (1). The apparatus further comprises elastomeric plugs (13, 14) for damping movement of the one roller (5) under the influence of the bias.