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US 4,770,215 AGranted
Wood bar rounding machine with two or more cutting and sanding units
OwnerSung-Shui Hsiehinventor
Life of this patent
Estimating the term…
Abstract
A wood bar rounding machine which has two or more cutting and sanding units arranged concentrically so that a rectangular timber can be rounded and polished to a desired size. The desired product in a high quality can be obtained by a series of sequential steps of rough cutting and fine cutting and sanding after the wood is inserted at the front end and fed automatically by feed rollers.
Claims5
A wood shaping apparatus for shaping a work piece into an elongated cylindrical shape, which comprises:
- a stand having front and rear portions.
- a bed located on top of the stand,
- front feed rollers for feeding the work piece located on the bed near the front portion of the stand,
- a first cutting unit for rough cutting of the work piece attached to the bed behind the front feed rollers,
- middle feed rollers for feeding the work piece located on the bed behind the first cutting unit,
- a second cutting unit for fine cutting of the work piece attached to the bed behind the middle feed rollers,
- rear feed rollers for feeding the work piece located on the bed behind the second cutting unit,
- a sanding unit for polishing the work piece located at the rear portion of the stand behind the rear feed rollers and adjacent to the bed,
- the front feed rollers, first cutting unit, middle feed rollers, second cutting unit, rear feed rollers, and sanding unit being arranged concentrically, so that the work piece passes sequentially through the first cutting unit, the second cutting unit, and the sanding unit, while being driven by the front, middle and rear feed rollers.
6 more elements
Dependencies are inferred from the claim text.