A sheet mechanism having drive means for removing compiled sheet

Details A sheet mechanism having drive means for removing compiled sheet A sheet mechanism having drive means for removing compiled sheet

1983-07-05

1989-05-02

Spar, Robert J.

Material or article handling

Apparatus for moving intersupporting articles into, within,...

Stack forming apparatus

29132, 198624, 271274, B65H 3130

Patent

active

048263834

ABSTRACT:
A sheet stacker in which sheets are compiled in a tray (71) against registration (74) and a completed set is ejected, the registration members (74) being retracted, by an eject mechanism comprising a continuously rotating drive roller (80) projecting through the base (72) of the tray and a coacting idler roller (81) mounted on a spring arm (82) which is retracted during stacking and then pressed against the top of the completed set to effect ejection. Preferably the roller (80) is a deformable roller having a low coefficient of friction surface.

REFERENCES:
patent: 3467009 (1969-09-01), Ross
patent: 3556512 (1971-01-01), Fackler
patent: 3622059 (1971-11-01), Savela
patent: 3662446 (1972-05-01), Walls
patent: 3719266 (1973-03-01), Korn et al.
patent: 3972525 (1976-08-01), Foster et al.
patent: 4287409 (1981-09-01), Auchinleck
patent: 4287649 (1981-09-01), Kohler
patent: 4453870 (1984-06-01), Bean

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