Device for separating stacked sheets

Details Device for separating stacked sheets Device for separating stacked sheets

2008-05-13

2008-05-13

Choi, Stephen (Department: 3724)

Severing by tearing or breaking

Breaking or tearing apparatus

Work-parting pullers

C225S103000

Reexamination Certificate

active

07370783

ABSTRACT:
The separator is based on the mounting of two moveable frames (2) and (2′) on a fixed lower structure (1), mounting corresponding conveyor belts (3) and (3′) being mounted between these frames (2) and (2′), each of which passes between a pair of rollers (5-6) and (5′-6′), respectively, the rollers (6) and (6′) of both conveyor belts (3) and (3′) remaining close to each other, all of this in a such way that the blocks (33) and (33′) delimited along pre-cut lines (32) corresponding to a series of stacked sheets (31) of cardboard, on being introduced into the separator and being supported in correspondence with the conveyor belts (3) and (3′), with the punched line (32) vertical and interpolated between the rollers (6) and (6′), the folding upwards of these, by means of a system arranged at the base, brings about the rupture of the punched lines (32) and the separation of the blocks (33) and (33′), these being held during the separation by retaining pads (18) corresponding with pressure mechanisms (8) mounted on the actual moveable frames (2) and (2′).

REFERENCES:
patent: 4136604 (1979-01-01), Schmidt
patent: 5791539 (1998-08-01), Shill et al.
patent: 6019267 (2000-02-01), Shill et al.
patent: 6655566 (2003-12-01), Martin et al.
patent: 6776748 (2004-08-01), Joux
patent: 0509153 (1992-10-01), None

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