US PATENT SUBCLASS 172 / 474
.~ Tool rocked about independently vertically adjustable transverse axis

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


172 /   HD   EARTH WORKING

452  DF  WITH ACTUATOR ADAPTED TO LIFT TOOL FOR TRANSPORT ON WHEELED FRAME OR BROADLY CLAIMED IMPLEMENT {37}
474.~ Tool rocked about independently vertically adjustable transverse axis {1}
475  DF  .~.~> Plural longitudinally spaced actuators

DEFINITION

Classification: 172/474

(under subclass 452) Apparatus wherein the earth working element is independently adjustable about an axis which extends laterally of the direction of travel, the elevation of the axis also being selectively adjustable.

(1) Note. For the definition of "adjustable" see the class definition.

(2) Note. The implement may be raised to transport position by either rocking about the transverse axis or by vertical adjustment of the axis or both.

SEE OR SEARCH THIS CLASS, SUBCLASS:

448, for tools carried by a mast-type hitch which include an auxiliary vertical adjustment.

789, for a scraper mounted between front and rear supports of

a vehicle with an actuator for lifting it to transport position and an actuator for bodily shifting a scraper subframe draft connection which forms a transverse axis about which the scraper is adjustable. 795, for a scraper mounted between front and rear supports of a vehicle with an actuator for lifting it for transport and an actuator for tilting the scraper about a transverse, vertically adjustable axis.