US PATENT SUBCLASS 83 / 771
.~.~ Of tool carrier on single moving pivot

Current as of: June, 1999
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83 /   HD   CUTTING

746  DF  BY TOOL RECIPROCABLE ALONG ELONGATED EDGE {11}
753  DF  .~ With tool in-feed {7}
771.~.~ Of tool carrier on single moving pivot {3}
772  DF  .~.~.~> Pivot moves in closed loop
773  DF  .~.~.~> Pivot moves to and fro in arcuate path {1}
775  DF  .~.~.~> Pivot moves to and fro in rectilinear path

DEFINITION

Classification: 83/771

(under subclass 753) Device wherein the tool or tool support is supported by a to-and-fro moving carrying member including a shaft or pinlike device connected to the tool or tool support in a manner which permits the tool or tool support to turn freely there about.

(1) Note. The tool or tool support is not supported by other machine structure during cutting but can be and normally is supported in part by the work or by the operator.

(2) Note. The devices found herein are often referred to as "drag saws".

(3) Note. The tool infeed motion is usually produced by the movement of the tool around the pivot as the cut progresses.