Image reading apparatus

Details Image reading apparatus Image reading apparatus

H - Electricity

04

N

H04N 1/31 (2006.01) H04N 1/00 (2006.01) H04N 1/04 (2006.01)

Patent

CA 2257655

A paper feed roller (5) is divided into a first roller (5a) and a second roller (5b); a slit (58) through which about 10 to 20 sheets of documents can pass is formed between the first roller and a gate plate (57) opposite to this; and the paper fed out therefrom is fed out to a space between the second roller (5b) and a separation pad (7) in contact with this. Also, there is adopted a construction in which the pressing force of a paper conveyance spring is transformed by a slide cam sliding in a direction parallel to the paper feed roller; and the paper width detection sensor is assembled by a fitting construction.

Unité de rouleaux de dispositif d'alimentation en papier (5) comprenant un premier rouleau (5a) et un second rouleau (5b). Une fente (58), par laquelle environ 10 à 20 feuilles de documents peuvent passer, est formée entre le premier rouleau et une plaque de butée (57) opposée au premier rouleau. Le papier est acheminé depuis la fente vers un espace entre le second rouleau (5b) et une plaquette de séparation (7) en contact avec le second rouleau. Par ailleurs, on suit un procédé de fabrication selon lequel la force de pressage d'un ressort de transport du papier est transformée par une came coulissant dans une direction parallèle au rouleau d'alimentation. Le capteur de détection de largeur du papier est assemblé selon un procédé d'ajustement.

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