US PATENT SUBCLASS 271 / 259
.~.~.~ Plural sensors

Current as of: June, 1999
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271 /   HD   SHEET FEEDING OR DELIVERING

8.1  DF  FEEDING {8}
256  DF  .~ With means to interrupt feeding {2}
258.01  DF  .~.~ Responsive to sheet sensor {6}
259.~.~.~ Plural sensors {2}
260  DF  .~.~.~.~> Pneumatic sensors (e.g., to sense superposed sheets)
261  DF  .~.~.~.~> Laterally spaced sensors (e.g., to sense misalignment)

DEFINITION

Classification: 271/259

(under subclass 258) Device provided with two or more of said detecting means.

(1) Note. This subclass is for a device wherein a plurality of sensers are located longitudinally along the direction of travel of successive sheets and detect a condition of jamming or a condition of rate of travel of the successive sheets as the successive sensers are activated.