Assembling machine

Details Assembling machine Assembling machine

1997-10-28

2000-02-08

Terrell, William E.

Sheet feeding or delivering

Feeding

Separator and conveyor

271 98, 271100, B65H 508, B65H 314, B65H 308

Patent

active

060220147

ABSTRACT:
A sheet feeder for use in a book assembling machine comprises a magazine having a movable base which defines a support plane for a stack of folded sheets. The feeder also includes a pneumatic separator, which creates a gap between a corner of the lowermost sheet of a stack in the magazine and the next adjacent sheet, and a device for injecting air into the thus formed gap to produce an air cushion. The movable magazine base functions as a conveyor to move, with the assistance of the air cushion, the leading edge of the lowermost sheet in the stack in a planar manner to a withdrawal conveying system where the sheet is engaged and subsequently pulled from the magazine. The withdrawn sheet moves, under the influence of a transfer mechanism in one embodiment, into registration with an assembly conveyor.

REFERENCES:
patent: 2282224 (1942-08-01), Harrold
patent: 3071369 (1963-01-01), Ambrogi
patent: 3446498 (1969-05-01), Reist
patent: 3825247 (1974-07-01), Fernandez-Rana et al.
patent: 4071234 (1978-01-01), Schick
patent: 4397459 (1983-08-01), Silverburg et al.
patent: 5622360 (1997-04-01), Rathert et al.
patent: 5813669 (1998-09-01), Horii

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