Board lumber position fence

Details Board lumber position fence Board lumber position fence

2005-04-14

2008-09-02

Bidwell, James R (Department: 3651)

Conveyors: power-driven

Conveying system having plural power-driven conveying sections

Including power-driven means for laterally shifting a...

C198S456000, C198S457010

Reexamination Certificate

active

07419047

ABSTRACT:
Discloses a positioning fence for use in lumber saw mills that facilitates automated positioning of lumber for cutting. A continuous moving track loop has a plurality of paddles laterally positionable across the width of the track. Each paddle has a brake to hold the paddle in position. A positioning cam releases the brake to align each successive paddle to a desired lateral offset and a zeroing cam resets each paddle to a zero position.

REFERENCES:
patent: 1506657 (1924-08-01), Nordstrom et al.
patent: 3687269 (1972-08-01), Fritz et al.
patent: 4136766 (1979-01-01), Pryor et al.
patent: 5911302 (1999-06-01), Jackson
patent: 6382067 (2002-05-01), Gagnon
patent: 6892614 (2005-05-01), Olsen
patent: 2002/0117377 (2002-08-01), Newnes et al.

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