Disk type inverter-stacker with improved sheet control with auto

Details Disk type inverter-stacker with improved sheet control with auto Disk type inverter-stacker with improved sheet control with auto

1996-10-23

1997-12-02

Nguyen, Hoang

Sheet-material associating

Associating or disassociating

Sheet associating

271186, 271187, 271315, B65H 3902, B65H 2900

Patent

active

056927401

ABSTRACT:
The disclosed rotatable disks type sheet inverting, registration and stacking system has finger units, with sheet carrying slots, which are mounted to the disk units for variable radial movement. These finger units automatically adjust their radius to release sheets from their respective slots closely adjacent to the top of the output stack of sheets at their registration position to automatically compensate for variations in the height of said stack of sheets, preferably by limited force engagement of the ends of the fingers with the top of the stack. Preferably the finger units are radially pivotally outwardly lightly spring loaded to provide a transporting and inverting position for the sheets in the sheet slots which is at a substantially greater radius than the reduced radius thereof in releasing the sheets at the stacking registration position. A vertically movable sheet hold-down bail system is automatically actuated in coordination with the release of the sheet to only engage the sheet when it is very closely adjacent to the top of the stack.

REFERENCES:
patent: 5058880 (1991-10-01), McGraw et al.
patent: 5065997 (1991-11-01), Butts et al.
patent: 5163672 (1992-11-01), Mennie
patent: 5261655 (1993-11-01), Keller et al.
patent: 5409201 (1995-04-01), Kramer
patent: 5473420 (1995-12-01), Rizzoo et al.
patent: 5476256 (1995-12-01), Fortuna et al.

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