Feed roller release due to carriage movement in a printing appar

Details Feed roller release due to carriage movement in a printing appar Feed roller release due to carriage movement in a printing appar

1988-06-14

1990-10-09

Wiecking, David A.

Typewriting machines

Sheet or web

Including friction-feed means

400320, 400706, 400708, B41J 1303

Patent

active

049616587

ABSTRACT:
A printer comprising a frame, a platen for supporting printing paper, a carriage reciprocally movable along said platen and having a print head mounted thereon defining a print point, paper feed rollers for feeding said printing paper through said printing point, at least one back-up roller disposed at an upstream side of said printing point and rotationally abutted against one of said paper feed rollers, at least one discharge roller disposed at a downstream side of said printing point and movable toward and away from another of said paper feed rollers, and a discharge roller driver for moving said discharge roller toward and away from said roller, said discharge roller driver moving said at least one discharge roller toward said roller for nipping said printing paper therebetween prior to the release of a tail edge of said printing paper from between said at least one back-up roller and said paper feeder, a link disposed in parallel with said platen and having a first end portion and a second end portion, each said portion being engageable with said carriage, said link for moving said discharge roller toward and away from said roller, a linking member connected to said link, and a movable portion connected between said linking member and said discharge roller.

REFERENCES:
patent: 4437780 (1984-03-01), Weber et al.
patent: 4498795 (1985-02-01), Tatara
patent: 4518271 (1985-05-01), Hirata
patent: 4560295 (1985-12-01), Fujiwara et al.
patent: 4580917 (1986-04-01), Hibino

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