Sheet transport

Details Sheet transport Sheet transport

1985-04-22

1986-05-27

Schacher, Richard A.

Sheet feeding or delivering

Feeding

With means to interrupt feeding

271265, 310330, 310368, B65H 706

Patent

active

045911452

ABSTRACT:
A sheet transport in which sheets move along a selected path. A piezoelectric strip is positioned to have the generally planar surface thereof extending in a direction substantially normal to the path of movement of the sheet. As the sheet deflects the piezoelectric strip, an electrical signal is generated indicating the presence of the sheet at that point in the sheet path.

REFERENCES:
patent: 2793035 (1957-05-01), Wroblewski
patent: 3126536 (1964-03-01), Schnell
patent: 3155244 (1964-11-01), Rogers
patent: 3283164 (1966-11-01), Remeika
patent: 3519800 (1970-07-01), Shill
patent: 4025186 (1977-05-01), Hunt, Jr. et al.
patent: 4066969 (1978-01-01), Pearce et al.
patent: 4110654 (1978-08-01), Paul
patent: 4387318 (1983-06-01), Kolm
patent: 4397459 (1983-08-01), Silverberg et al.

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