Apparatus and method for feeding sheets from a stack

Details Apparatus and method for feeding sheets from a stack Apparatus and method for feeding sheets from a stack

1994-08-03

1995-11-07

Terrell, William E.

Sheet feeding or delivering

Feeding

Separator and conveyor

271 35, 271 99, 271112, 271118, 271 1004, B65H 508

Patent

active

054642027

ABSTRACT:
In a system and method for feeding sheets from a stack, a support arrangement is provided having a plurality of rows of rollers mounted on support levers to support the stack above a first carrier. The rollers are lowered so that a lowermost sheet of the stack contacts the first carrier which is driven to cyclically accelerate the lowermost sheet in a direction perpendicular to the rows so that the sheet achieves a linear velocity. A second carrier is driven at a constant speed to transport the sheet away from the first carrier at the linear velocity. Each row of rollers is sequentially raised when a trailing edge of the sheet has moved beyond that particular row.

REFERENCES:
patent: 4045015 (1977-08-01), Sardella
patent: 4896872 (1990-01-01), Sardella
patent: 5026040 (1991-06-01), Gilbert
patent: 5048812 (1991-09-01), Holmes
patent: 5050852 (1991-09-01), Sawada et al.
patent: 5184811 (1993-02-01), Sardella et al.
patent: 5219157 (1993-06-01), Takahashi
patent: 5228674 (1993-07-01), Holmes

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