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Browse Prior Art Database

Paper Bail

IP.com Disclosure Number: IPCOM000044973D
Original Publication Date: 1983-Jan-01
Included in the Prior Art Database: 2005-Feb-06
Document File: 2 page(s) / 25K

Publishing Venue

IBM

Related People

Kroeker, EB: AUTHOR

Abstract

There is disclosed an improved paper bail for use in a high speed printer used for printing both cut sheets and envelopes.

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Paper Bail

There is disclosed an improved paper bail for use in a high speed printer used for printing both cut sheets and envelopes.

A long standing problem in the document handling area relates to maintaining uniform pressure along the length of a platen to assure accurate document feeding. The structure shown in the figure illustrates one solution to this problem, particularly adapted to the feeding of envelopes. The main bail member 10 is conventionally mounted at either end for movement to and away from platen 12. Bracket 14 is fixedly attached to bail 10. Shaft 16 is pivotally attached to bracket 14 at point 18 to be substantially parallel to bail 10 and platen 12.

Resilient bail rollers 20 are mounted at either end of shaft 16. The ability of shaft 16 to pivot about its midpoint perpendicular to the longitudinal axis of platen 12 assures that each roller 20 exerts the same load against platen 10. This uniform load is not affected by variations in paper bail 10 straightness or eccentricities in platen 10 or rollers 20.

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