Advancing material of indeterminate length – Plural material-moving means – With plural paths for material
Patent
1985-04-24
1987-06-09
Jillions, John M.
Advancing material of indeterminate length
Plural material-moving means
With plural paths for material
226 11, 271111, 271261, 271265, 400605, 400708, B41J 1326, B41J 1150, B65H 704, B65H 708
Patent
active
046714413
ABSTRACT:
A printer having a plurality of differently located feed paths for print material including in each instance a feed channel, has also separately positioned feeler and scanning levers projecting into the respective feed path and channel, in the case of absence of print material in the respective feed path and channel, but the respective lever is pushed out of the channel and feed path in the case of presence of the respective print material; the scanning levers and feelers are linked by a slotted cam plus pin linkage and one of the levers carries a single switch actuating element such as a projector; electric contact making and breaking switching means with three point biased and clamped tongues are actuated by said actuating element to provide a first switching state when print material and sheet stock is in one of said feed paths and channels, independently from the particular channel and feed path involved and providing a second switch state when none of said feed paths and channels includes or contains sheet stock and print material to be printed on.
REFERENCES:
patent: 2523184 (1950-09-01), Beall
patent: 3202779 (1965-08-01), Call
patent: 3716178 (1973-02-01), Shimmin
patent: 4111565 (1978-09-01), Jagger
W. M. Davis, Trailing Edge Sensor, IBM Technical Disclosure Bulletin, vol. 7, No. 5, Oct. 1964.
Jillions John M.
Mannesmann AG
Siegemund Ralf H.
Sohacki Lynn M.
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