US PATENT SUBCLASS 172 / 477-- .~.~ Tool adjustable about vertical axis

US PATENT SUBCLASS 172 / 477
.~.~ Tool adjustable about vertical axis

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

452	DF	WITH ACTUATOR ADAPTED TO LIFT TOOL FOR TRANSPORT ON WHEELED FRAME OR BROADLY CLAIMED IMPLEMENT {37}
476	DF	.~ With lateral adjustment {1}
477		.~.~ Tool adjustable about vertical axis

DEFINITION

Classification: 172/477

(under subclass 476) Apparatus wherein the earth working element is adjustable about a vertical axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

447, for a tool liftable on a wheeled frame by a mast-type hitch and adjustable about a vertical axis.

796, and the subclasses there noted, for a scraper mounted between the front and rear ground supports of a vehicle, an actuator for lifting the scraper for transport and an actuator for adjusting the scraper about a vertical axis.

818+, for an elongated earth working blade mounted ahead of a motor vehicle and an actuator for lifting the blade for transport, the blade being adjustable about a vertical axis.