Upward and downward stacking shaft having a tray pivoting...

Details Upward and downward stacking shaft having a tray pivoting... Upward and downward stacking shaft having a tray pivoting...

2005-05-16

2008-11-04

Rodríguez, Saúl J (Department: 3652)

Material or article handling

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

Stack forming apparatus

C414S790400, C414S793800, C414S794100, C271S212000

Reexamination Certificate

active

07445417

ABSTRACT:
The invention concerns a device for stacking flat products, in particular, folding boxes, comprising a stack shaft for receiving the flat products which comprises an inlet opening opposite to an impinging surface, and is provided with guiding element disposed in side flanks, which guide the flat products in the form of a stack, wherein each side flank comprises a transport means for upward and downward vertical movement of a tray which projects into the stack shaft and which carries the flat products.

REFERENCES:
patent: 2133727 (1938-10-01), Staude
patent: 2897949 (1959-08-01), Huisking
patent: 3088604 (1963-05-01), Nilsson
patent: 3744649 (1973-07-01), Ward, Jr.
patent: 3866765 (1975-02-01), Stobb
patent: 3892168 (1975-07-01), Grobman
patent: 4111411 (1978-09-01), Graves et al.
patent: 4460169 (1984-07-01), Bartesaghi
patent: 5318401 (1994-06-01), Mandel
patent: 6364309 (2002-04-01), Tomatsu
patent: 2361449 (1975-04-01), None
patent: 0 359 920 (1990-03-01), None

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