Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent
1997-07-30
1998-12-08
Le, Nancy
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
4006161, B41J 1126
Patent
active
058477470
ABSTRACT:
A tractor unit for a recording sheet is provided. A tractor belt is provided with protrusions for engaging with feed holes formed on both sides of the recording sheet. A pulley rotates the tractor belt and a frame supports the pulley. The recording sheet is fed in a predetermined direction by rotation of the pulley. The frame has a top sensor for sensing passage of a leading edge of recording sheet and for outputting a predetermined signal. A cover member covers the recording sheet such that the recording sheet does not warp or float up from the tractor belt.
REFERENCES:
patent: 5105227 (1992-04-01), Kitamura et al.
patent: 5212531 (1993-05-01), Monma et al.
patent: 5515149 (1996-05-01), Ishikawa et al.
patent: 5516220 (1996-05-01), Ishikawa et al.
Asahi Kogaku Kogyo Kabushiki Kaisha
Le Nancy
Pham Hai C.
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