Method and apparatus for sorting elongate articles

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United States of America Patent

PATENT NO 4546886
SERIAL NO

06406768

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and apparatus for sorting elongate articles by length is disclosed. The apparatus includes a first conveyor belt, a second conveyor belt, a holding mechanism located at the discharge end of the first conveyor belt and a grasping mechanism located at an inlet end of the second conveyor belt. The holding and grasping mechanisms are spaced from one another by a gap through which articles having a length less than a preselected length fall. The holding mechanism holds the articles which pass the discharge end of the first conveyor belt in alignment with a plane in which the top run of the first conveyor belt moves. The grasping mechanism grasps the front ends of desired elongate articles which have a length equal to or greater than the preselected length prior to the release of the rearward ends of the desired articles from the holding mechanism.

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Patent Owner(s)

Patent OwnerAddress
TRUS JOIST MACMILLAN A LIMITED PARTNERSHIP200 EAST MALLARD DRIVE BOISE ID 83706

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Churchland, Mark T Burnaby, CA 17 218
Schilling, Walter W Delta, CA 9 107

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