Lumber positioner

Details Lumber positioner Lumber positioner

1985-02-19

1988-06-28

Spar, Robert J.

Conveyors: power-driven

Conveyor system for arranging or rearranging stream of items

By laterally or vertically moving successive items in...

1984632, 1984633, B65G 4726

Patent

active

047533358

ABSTRACT:
A lumber positioner having one or more parallel straight decks, and one or more parallel angle decks disposed transversely of, and adjacent a straight deck to extend at an angle thereto. One or the other of the straight deck or angle deck, is raised and lowered so that at least a portion of a piece of lumber extending across aligned lumber carrying surfaces of respective decks, can be transferred between a normal position, corresponding to the piece sitting on the lumber carrying surface of the straight deck, and a position vertically spaced therefrom in which it is sitting against a lumber contacting surface of the angle deck, so that the lumber piece can travel in a direction along either as desired. Preferably, a plurality of straight decks are constructed alike with each having at least one section. One or the other of each straight deck section, and each angle deck, is preferably provided with a plurality of elevated sections for carrying or moving lumber, spaced therealong from adjacent elevated sections thereon a distance equal to a lug spacing times the number of sections or angle decks present. As a result, one of the elevated sections will pass below the upper surface of each chain, while another appears above the other end thereof.

REFERENCES:
patent: 2778474 (1957-01-01), Koning
patent: 2918951 (1959-12-01), Haumann
patent: 3134476 (1964-05-01), Pierson et al.
patent: 3285389 (1966-11-01), Kaplan
patent: 4174774 (1979-11-01), Bourgeois

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