Cutting – With product handling means – Initiated by means directly responsive to tool movement
Patent
1984-07-09
1986-10-28
Yost, Frank T.
Cutting
With product handling means
Initiated by means directly responsive to tool movement
83145, 83216, 83229, 83265, 83268, 83286, 83390, 83487, 83556, 83829, 144245E, B23D 4510
Patent
active
046191631
ABSTRACT:
Precut pieces of wood of like configuration are stacked in a hopper from the lower end of which they are advanced one-by-one by a reciprocable pusher onto a horizontally disposed work station. As soon as a workpiece is positioned on the station it is automatically clamped into place, after which two rotary saws, which are mounted adjacent opposite ends of the station, are reciprocated from retracted to advanced positions, during which movement they cut away portions of the workpiece at opposite ends thereof. As soon as the saws have advanced passed the workpiece, they are retracted slightly away from opposite ends of the workpiece, so that they will not reengage the workpiece when they return to their starting positions. When the saws are retracted the now-cut workpiece is automatically released and then ejected from the work station, after which a cycling relay automatically causes another workpiece to be shifted onto the work station so that the above-noted steps are repeated. The electrical control means for the apparatus causes the cutting cycle to be repeated until the hopper is emptied.
REFERENCES:
patent: 1700683 (1929-01-01), Madsen
patent: 3289662 (1966-12-01), Garrison
patent: 3709075 (1973-01-01), Goellner
patent: 3752023 (1973-08-01), Allison et al.
patent: 3838723 (1974-10-01), Sandberg
patent: 3878744 (1975-04-01), Luxnat
patent: 4104944 (1978-08-01), Janssen
patent: 4289054 (1981-09-01), Pieper et al.
patent: 4449558 (1984-05-01), Wiegand
Phan Hien H.
Yost Frank T.
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