Sticker placing mechanism for use with lumber stacker

Details Sticker placing mechanism for use with lumber stacker Sticker placing mechanism for use with lumber stacker

1996-10-04

1998-02-24

Krizek, Janice L.

Material or article handling

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

Stack forming apparatus

4147943, B65G 5718

Patent

active

057205922

ABSTRACT:
A sticker placing mechanism for use with known lumber stackers and perpendicularly associated sticker distribution mechanism provides sticker pans carried by arms of a lumber stacking fork to move downwardly to pick up plural spaced stickers from the sticker conveyor and move the stickers upwardly beneath an accumulated layer of lumber. The layer of lumber and perpendicularly orientated stickers is moved upwardly and forwardly by the stacking fork onto an adjacent stacked lumber package. The stacking fork and associated sticker pans then retract into the stacker while stripping mechanism prevents rearward motion of the stickers and lumber layer to leave the stickers and lumber layer as the top course of the stacked lumber package. In a first species, the sticker pans are immovably carried by the stacking fork arms and moved downwardly by those arms. In a second species, the sticker pans are pivotally mounted on the stacking fork arms and mechanically pivoted for sticker pick up. The sticker placing mechanism is adaptable to retrofitting on existing lumber stackers.

REFERENCES:
patent: 2861702 (1958-11-01), Mason
patent: 3904044 (1975-09-01), Lunden
patent: 4253787 (1981-03-01), Lunden et al.
patent: 4324521 (1982-04-01), Lunden et al.
patent: 4671401 (1987-06-01), Truninger
patent: 4679381 (1987-07-01), Truninger

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