Material or article handling – Apparatus for moving intersupporting articles into – within,... – Stack forming apparatus
Patent
1991-07-22
1993-09-21
Bucci, David A.
Material or article handling
Apparatus for moving intersupporting articles into, within,...
Stack forming apparatus
414786, 4147936, 4147943, B65G 5718
Patent
active
052463338
ABSTRACT:
An automatic stick laying apparatus which is designed to successively position spacing sticks on stacks of lumber for spacing the lumber. In a preferred embodiment the stick laying apparatus includes a fixed frame positioned over stacked tiers of lumber and a carriage assembly mounted on the fixed frame in vertically sliding relationship and fitted with parallel chain channels supporting positioner chains having chain cleats for receiving spacing sticks and positioning the spacing sticks over the respective layers of lumber. Multiple diverter assemblies are positioned in spaced relationship between the chain channels for sequentially displacing the spacing sticks from the spaced chain cleats and depositing the spacing sticks in selectively spaced relationship on the underlying tiers of stacked lumber. In operation, an operator places a spacing stick between adjacent sets of parallel chain cleats, the positioner chains automatically locate the spacing sticks in proper orientation over the lumber, the carriage assembly is lowered to a point immediately over the top layer of lumber, preselected spacing sticks are displaced from the corresponding chain cleats by operation of selected diverter assemblies, the carriage assembly is raised and the diverter assemblies are repositioned.
REFERENCES:
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patent: 3352434 (1967-11-01), Zuercher
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patent: 4229133 (1980-10-01), Johnson
patent: 4360303 (1982-11-01), Rysti
patent: 4610360 (1986-09-01), Forslund
patent: 4801233 (1989-01-01), Ritola
patent: 4810152 (1989-03-01), Gillingham
patent: 4878803 (1989-11-01), Whiddon
Bucci David A.
Harrison John M.
Krizek Janice
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