Medium conveying apparatus

Details Medium conveying apparatus Medium conveying apparatus

2004-05-19

2008-10-07

Bollinger, David H (Department: 3653)

Sheet feeding or delivering

Feeding

By means to convey sheet

C271S273000, C271S274000

Reexamination Certificate

active

07431292

ABSTRACT:
A medium conveying apparatus has: a conveying roller shaft arranged so as to be movable vertically; a pressing member which presses the conveying roller shaft in plural positions; and an urging member which urges the pressing member toward a conveying path of a medium. The whole pressing member is pushed up when the medium is inserted and a part of the pressing member is pushed up. Since the pressing member presses the conveying roller shaft in the medium width direction with a uniform pressing force, the uniform pressing force is applied to the medium in the width direction. The occurrence of a variation in the conveying forces and the occurrence of the oblique movement of the medium can be avoided. The medium can be stabilized and conveyed with the sufficient conveying force.

REFERENCES:
patent: 3241665 (1966-03-01), Erk
patent: 4163550 (1979-08-01), Armstrong
patent: 4619451 (1986-10-01), Dodge
patent: 5129749 (1992-07-01), Sato
patent: 08-011375 (1996-01-01), None

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