Cutting – With means to convey work relative to tool station – Including means to move work from one tool station to another
Patent
1985-06-13
1987-07-21
Schran, Donald R.
Cutting
With means to convey work relative to tool station
Including means to move work from one tool station to another
83420, 83422, 83424, 83425, 834253, 83446, 83449, 83873, 83 51, 144378, B27B 704, B27B 2502, B27B 2702
Patent
active
046810056
ABSTRACT:
A resaw has twin arbors with one to six blades mounted on each arbor. In addition, the resaw has a rotatable fence with a continuous belt along its periphery. Two side pressure rollers are mounted adjacent to the rotatable fence between an entrance to the resaw and the blades. A workbed of the resaw is made up of a series of spiked rollers. Just prior to an exit from the resaw, there is located a top roller which is mounted normal to the side pressure rollers and can move further away from or closer to the workbed. The arbors are each powered by an electric motor. The rotatable fence, the side pressure rollers and the spiked rollers are all powered by hydraulic motors connected to a single power source and all rotate at the same speed at any given time. The side pressure rollers are automatically adjustable so that they exert pressure towards the rotatable fence on any wood that is located between said rollers and said fence. The side pressure rollers, the rotatable fence and the spiked rollers operate together to force wood from an entrance to said resaw, past said arbors, to an exit. The resaw can be used to process lumber of various widths and heights without stopping the resaw to make adjustments as the lumber changes in size.
REFERENCES:
patent: 485970 (1892-11-01), McDonough
patent: 1584797 (1926-05-01), Neal
patent: 4210184 (1980-07-01), McGriff
patent: 4332180 (1982-06-01), Johnson
Schnurr Daryl W.
Schran Donald R.
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