Typewriting machines – Sheet or web – For feeding sheet from stack or pack holder
Patent
1984-06-01
1986-06-10
Sewell, Paul T.
Typewriting machines
Sheet or web
For feeding sheet from stack or pack holder
271 3, 271 9, 400629, B41J 1158, B41J 1310
Patent
active
045940134
ABSTRACT:
The sheet feed device (1) comprises several cassettes (13) on which the sheets are stacked, a removal mechanism associated with each of the supports, intended to remove a sheet from the cassette (13) and introduce it into the printer (2), and a selection mechanism (55) intended to activate one of the removal mechanisms. The mechanisms for removal and selection (55) are driven by the platen (3) of the printer (2). The selection mechanism (55) makes use of the position occupied by the mobile carriage (4). The latter carries a drive part (61) that can work with a set of selection levers (56). These levers (56) are equal in number to the removal mechanism. Depending on the position of the carriage during selection, one or the other of the levers (56) is put into active position and moved by a drive wheel (65) to activate a removal control element (76) and to start the removal and introduction processes. The device has the advantage that the platen (3 ) is driven in only one direction during a complete cycle of selection, removal and introduction of a sheet in the printer.
REFERENCES:
patent: 1817235 (1931-08-01), Chenery
patent: 4275968 (1981-06-01), Irwin
patent: 4473314 (1984-09-01), Imaizumi
patent: 4502805 (1985-03-01), Humbs
Costa Jorge
Reichel Wolfgang
Hermes Precisa International S.A.
Sewell Paul T.
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