Conveyors: power-driven – Conveyor section – Pusher conveyor and separate load support surface
Patent
1980-11-03
1984-02-07
Jones, Jr., James L.
Conveyors: power-driven
Conveyor section
Pusher conveyor and separate load support surface
144 2R, 144134R, 144245R, B65G 2502
Patent
active
044297840
ABSTRACT:
An infeed assembly or mechanism for advancing wood sticks of random length through an end shaping machine or woodworking apparatus that has at least one end shaper and holddown mechanism for preventing displacement of the sticks during shaping of the ends of said sticks, while permitting travel thereof through the machine, is adapted to coact with an underlying table that supports said sticks with their ends extending transversely thereof throughout the advancement of the sticks; said infeed assembly is composed of a feed shuttle mounted for reciprocal movement in a generally elliptical path or rhombic orbit longitudinally of the table and having an upstanding push mechanism for projection above said table and engagement with said sticks during its feed stroke and for retraction below said table during the return stroke of the feed shuttle; a backup mechanism coacts with the holddown and push mechanism to prevent vibration of the end portions of the sticks during shaping thereof as well as with mechanism for positively supporting said feed shuttle in its elevated position; the holddown mechanism has a flexible wear strip for overlying engagement with said sticks and a multiplicity of independent pressure devices for constantly and separately urging portions of the wear strip downwardly relative to one another so as to maintain said wear strip in engagement with said sticks irrespective of the varying thickness of adjacent sticks even though said variance may be relatively minute.
REFERENCES:
patent: 1659574 (1928-02-01), Lloyd
patent: 2416763 (1947-03-01), Lynch
patent: 2649875 (1953-08-01), Sherman
patent: 3924668 (1975-12-01), Cromeens
Cantrell Thomas L.
Industrial Woodworking Machine
Jones Jr. James L.
Moore Stanley R.
Schley Joseph H.
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