Sheet feeding apparatus

Details Sheet feeding apparatus Sheet feeding apparatus

1998-02-13

2000-10-24

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

Separators

271118, 271121, 271122, 271149, 902 14, B65H 304

Patent

active

061354406

ABSTRACT:
A belt (28) is moved into contact with a sheet (70) to be fed from the stack (18) under the control of a solenoid (48), which when energized causes pivoting of a crank mechanism (42) and an pulley (26) which supports the belt (28). The belt (28) frictionally engages the sheet (70) as to separate it from the stack (18) and move it into engagement with feed rollers (56) of a transport mechanism. The belt (28) is then retracted from the sheet (70) which is moved away from the stack (18) by the feed rollers (56). After a predetermined time period, the belt (28) is moved into contact with the next sheet of the stack (18) to be fed and the process is repeated until the desired number of sheets have been fed from the stack (18). The belt (28) is driven so that it rotates continuously during the pick operation and is brought to rest on retraction of the belt (28) after the final sheet has been picked from the stack (18).

REFERENCES:
patent: 4159782 (1979-07-01), Swartzendruber
patent: 5219154 (1993-06-01), Fukube et al.
patent: 5234208 (1993-08-01), Bandura et al.
patent: 5257777 (1993-11-01), Kalika et al.
patent: 5301834 (1994-04-01), Lee et al.
patent: 5441248 (1995-08-01), Kristola
patent: 5743429 (1998-04-01), Morofsky
Hetting, Document Feed Metering Device, IBM Technical Disclosure Bulletin vol. 5, No. 8, Jan. 1963, pp. 21-23.

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