Drive apparatus for a printer mechanism

Details Drive apparatus for a printer mechanism Drive apparatus for a printer mechanism

1987-05-15

1988-04-05

Sewell, Paul T.

Typewriting machines

Sheet or web

For feeding plural record media concurrently or selectively

400589, 400607, 226 49, B41J 1150

Patent

active

047355212

ABSTRACT:
A drive apparatus for a printer mechanism including a printhead comprises first and second print medium drive means for feeding first and second print mediums past the printhead, a main drive gear rotatable in a first direction for driving the first print medium drive means and rotatable in a second direction for driving the second print medium drive means, selectively engageable drive means alternately engageable with the first and second print medium drive means for driving the first print medium drive means in a first direction when the main drive gear is rotated in the first direction and driving the second print medium drive means in a second direction when the main drive gear is rotated in the second direction and locking means for locking the first print medium drive means when the main drive gear is rotated in the second direction.

REFERENCES:
patent: 4205770 (1980-06-01), Wojdyla
patent: 4229113 (1980-10-01), Anderson
patent: 4417825 (1983-11-01), Cushman
patent: 4425047 (1984-01-01), Narushima
patent: 4639154 (1987-01-01), Myers

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