Method and apparatus for the exact separation of main and auxili

Details Method and apparatus for the exact separation of main and auxili Method and apparatus for the exact separation of main and auxili

1994-05-25

1995-07-18

Skaggs, H. Grant

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271218, 4147908, B65H 3112

Patent

active

054334292

ABSTRACT:
An apparatus for auxiliary stack formation in a sheet-delivery machine having front and rear stationary stops and a front sheet-retaining device a stack board for receiving sheets, and being moveable rearwardly in a gap above the main stack, the stack board receiving the sheets forming the auxiliary stack, a set of spaced-apart lower rear stops mounted on a horizontally disposed carrier, the carrier being vertically moveable relative to the stationary rear upper stops, between a lower position wherein the lower stops extend beneath the main stack and a upper position wherein the lower stops are above the main stack for preventing rearward movement of the auxiliary stack sheets; wedge members mounted on the carrier, engageable by the advancing stack board for moving the carrier between the lower and upper positions; and a plurality of rear sheet retention devices disposed horizontally in spaced-apart relation and mounted on the carrier for movement between a recessed position behind the rear stops, and a sheet retention position for receiving the rear edges of the auxiliary sheets, the rear sheet retention devices being mounted for combined horizontal and vertical movement between the positions as the carrier moves between the lower and upper positions.

REFERENCES:
patent: 2836418 (1958-05-01), Blattner et al.
patent: 5002456 (1991-03-01), Gosslinghoff
patent: 5110112 (1992-05-01), Henn et al.
patent: 5131647 (1992-07-01), Henn et al.
patent: 5322272 (1994-06-01), Betz et al.

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