US PATENT SUBCLASS 83 / 773-- .~.~.~ Pivot moves to and fro in arcuate path

US PATENT SUBCLASS 83 / 773
.~.~.~ Pivot moves to and fro in arcuate path

83 /	HD	CUTTING

746	DF	BY TOOL RECIPROCABLE ALONG ELONGATED EDGE {11}
753	DF	.~ With tool in-feed {7}
771	DF	.~.~ Of tool carrier on single moving pivot {3}
773		.~.~.~ Pivot moves to and fro in arcuate path {1}
774	DF	.~.~.~.~> Axis of arcuate path moves during cutting

Classification: 83/773

(under subclass 771) Device in which the tool carrying member oscillates about a line.