Sheet supply detector and indicator

Details Sheet supply detector and indicator Sheet supply detector and indicator

1980-06-23

1982-03-16

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

Separators

221 6, 271127, 271147, 271DIG3, B65H 114, B65H 306, B65H 4302

Patent

active

043197426

ABSTRACT:
A device for detecting and indicating a depletion of the supply of sheets in a sheet feeder of the type having a lifting arm used to lift the sheets toward a feeding member. The device utilizes the increased movement of the lifting arm due to the depleting stack to energize an indicator. The device also has the capability of utilizing magnetic members to latch the indicator in an energized condition until the supply of sheets is replenished, which then automatically de-energize the indicator.

REFERENCES:
patent: 2124223 (1938-07-01), Zaengle
patent: 2896946 (1959-07-01), Barratt et al.
patent: 3097760 (1963-07-01), Short
patent: 3301551 (1967-01-01), Cassano et al.
patent: 3446496 (1969-05-01), Schwebel
patent: 3525517 (1970-08-01), Toby
patent: 3949979 (1976-04-01), Taylor et al.

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