US PATENT SUBCLASS 172 / 652-- .~.~.~.~ V-shaped

US PATENT SUBCLASS 172 / 652
.~.~.~.~ V-shaped

Current as of: June, 1999
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172 /	HD	EARTH WORKING

613	DF	PLURAL RELATIVELY MOVABLE TOOLS {14}
645	DF	.~ Tools relatively adjustable horizontally without causing vertical displacement {7}
649	DF	.~.~ Tool groups relatively horizontally adjustable {2}
651	DF	.~.~.~ Group pivoted about vertical axis {1}
652		.~.~.~.~ V-shaped {1}
653	DF	.~.~.~.~.~> Nested

DEFINITION

Classification: 172/652

(under subclass 651) Apparatus in which the two groups of elements are disposed in converging relation to form a substantially V-shaped implement when viewed in plan.

(1) Note. The adjustment may include moving the groups from a forwardly converging relation to a rearwardly converging relation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

254, for groups of tools which are rearranged by disassembly and reassembly.

648, for groups of earth working elements arranged to form a diamond in which two of the opposite apices of the diamond are movable toward and away from each other.