Sticker positioning apparatus for use with lumber stacker

Details Sticker positioning apparatus for use with lumber stacker Sticker positioning apparatus for use with lumber stacker

1987-12-18

1989-03-07

Paperner, Leslie J.

Material or article handling

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

Stack forming apparatus

198367, 1984636, 198728, 198735, 4147457, B65G 5726

Patent

active

048101524

ABSTRACT:
Apparatus is disclosed for accurately positioning stickers when stacking lumber. The apparatus provides an unscrambling conveyer that feeds stickers from a bulk supply to a crowder feed conveyer to present a constant supply of stickers to a timed release mechanism. The release mechanism by cam means sequentially presents individual stickers in a timed fashion to an endless distribution conveyer that initially feeds stickers through an upper horizontal feed plane about a curved guide structure, and finally about a second horizontal feed plane below the first. The stickers are maintained in the second feed plane by an underlying bottom shelf structure. The bottom shelf structure feeds individual stickers into a plurality of sticker positioners that oscillate from an upper position downwardly to feed the stickers onto a top of a lumber stack to accurately position them in spaced relation on a stack of lumber therebeneath.

REFERENCES:
patent: 1796575 (1931-03-01), Morgan
patent: 2937739 (1960-05-01), Levy
patent: 3292783 (1966-12-01), Quist et al.
patent: 3738510 (1973-06-01), Mason
patent: 3904044 (1975-09-01), Lunden
patent: 4360303 (1982-11-01), Rysti

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