Print paper feeding apparatus

Details Print paper feeding apparatus Print paper feeding apparatus

1984-06-01

1986-02-25

Hornsby, Harvey C.

Advancing material of indeterminate length

Means to engage longitudinally spaced modifications in material

Pins on flexible belt or chain

226101, 226188, 4006082, B65H 1722, B65H 1740, B41J 1130

Patent

active

045724180

ABSTRACT:
A print paper feeding apparatus wherein a discrete print paper is fed by cooperative action of a platen and rollers, while a continuous print paper is fed by cooperative action of a platen and a pin tractor. The print paper feeding apparatus further comprises a gear transmitting mechanism disposed between a paper feed motor and the platen; an actuating lever pivotally supporting, at one end thereof, an idle gear engaged with a pin tractor driving gear, the actuating lever being movable between an engaged position wherein the idle gear engages a gear of the gear transmitting mechanism, and a disengaged position wherein such engagement is released; a switching lever connected at one end thereof to the other end of the actuating lever and supported switchably between the engaged and disengaged positions, the switching lever having an operating portion formed at the other end thereof; and a biasing member for urging and holding the actuating lever to and in the engaged disengaged positions.

REFERENCES:
patent: 1213189 (1917-01-01), Hart
patent: 2130015 (1938-09-01), Jensen
patent: 2302704 (1942-11-01), Mabon
patent: 3567096 (1971-03-01), McDermott
patent: 3761000 (1973-09-01), Hagstrom
patent: 4268021 (1981-05-01), Rutishauser et al.
patent: 4283027 (1981-08-01), Naito
patent: 4360279 (1982-11-01), Sugiura
patent: 4452543 (1984-06-01), Adkisson et al.

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