Above and below water and land pile cutting apparatus and method
OwnerGeorge H. Bertelsoninventor
Life of this patent
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Abstract
Above and below water and land pile cutting machine is provided having a main frame which is quadrangular in transverse cross-section and is shaped to receive in the center thereof the pile to be cut. The upper portion of the main frame carries extensible pile gripping clamp means; the center portion carries four circular saws each mounted on a carriage mounted for transverse reciprocation and the lower portion of the frame carries further pile gripping extensible clamping means.
Claims10
A pile cutting machine comprising a main frame said main frame being quadrangular in transverse cross-section and shaped to receive the pile to be cut in a passage extending through the center of the frame, a plurality of extensible pile-gripping clamp means carried by the upper portion of the main frame, a plurality of extensible pile gripping clamp means carried by the lower portion of the frame, a plurality of circular saw assemblies mounted between the upper and lower clamp means with the axis of rotation of each saw parallel to the axis of the pile to be cut, a carriage for each saw, means mounting each carriage for reciprocation in a plane normal to the axis of rotation of each saw assembly, means for swinging each saw toward and away from the pile to be cut and further means for reciprocating each saw carriage.
A method for cutting piles comprising the steps:
- positioning a frame, of quadrangular cross-section and having a vertical passage therethrough, onto a pile to be cut;
- gripping said pile above the cut to be made with a plurality of extensible clamps;
- gripping said pile below the cut to be made with a plurality of extensible clamps;
- causing a plurality of circular saws to make a plurality of sequential saw cuts in the pile until the pile is substantially severed;
- releasing the lower pile grips;
- and lifting the frame and the cut portion of the pile from the main portion of the pile.
Dependencies are inferred from the claim text.