Material or article handling – Apparatus for moving intersupporting articles into – within,... – Stack forming apparatus
Patent
1992-07-31
1993-07-27
Skaggs, H. Grant
Material or article handling
Apparatus for moving intersupporting articles into, within,...
Stack forming apparatus
4147923, 4147926, 414907, B65G 5700, B65G 6724
Patent
active
052306020
ABSTRACT:
A sod roll stacker assembles sod rolls into rows and places the rows on a platform member to form an approximately square layer of sod roller. When the layer is complete, the platform is removed allowing the layer to fall on a support member below the platform. The platform is then moved to its former position. The above cycle of operations is repeated. The support member is rotated about a vertical axis through about 90.degree. after each cycle so that a stack of rolls is built up having the axis of the rolls in each layer at about 90.degree. to the adjacent layer, thereby increasing the stability of the stack.
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patent: 4408666 (1983-10-01), Lawson
patent: 4828040 (1989-05-01), Schumacher
patent: 4966239 (1990-10-01), Hutchison
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