Stack dividing mechanism for a corrugated sheet unstacking and f

Details Stack dividing mechanism for a corrugated sheet unstacking and f Stack dividing mechanism for a corrugated sheet unstacking and f

1990-05-16

1991-09-03

Spar, Robert J.

Material or article handling

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

Unstacking apparatus

4147968, B65G 5902

Patent

active

050448749

ABSTRACT:
Successive blocks of corrugated sheets are divided from a large vertical stack by a combination of a horizontally movable pusher plate and a guiding ramp that lifts the front edge of each block of sheets upwardly and onto a receiving conveyor surface. The ramp is a hybrid that includes a powered cylindrical roller and an adjacent yieldably biased upright plate that is moved to an inclined position in response to initial movement of a block of sheets.

REFERENCES:
patent: 2963177 (1960-12-01), Shields
patent: 3249242 (1966-05-01), Zachow
patent: 4119219 (1978-10-01), Marschke
patent: 4700941 (1987-10-01), Shill
patent: 4957409 (1990-09-01), Fukao et al.
patent: 4988265 (1991-01-01), Schwab et al.
"The Jumbo Feedmaster," (undated), published by Thermoguard Equipment, Inc., Spokane, Washington.

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