US PATENT SUBCLASS 172 / 654
.~.~ Main central beam, tools laterally adjustable relative thereto


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

613  DF  PLURAL RELATIVELY MOVABLE TOOLS {14}
645  DF  .~ Tools relatively adjustable horizontally without causing vertical displacement {7}
654.~.~ Main central beam, tools laterally adjustable relative thereto


DEFINITION

Classification: 172/654

(under subclass 645) Apparatus in which the earth working elements are mounted on opposite sides of a central longitudinal beam for lateral adjustment with respect thereto.

(1) Note. The central beam must extend substantially between the earth working portion of the earth working elements.

SEE OR SEARCH THIS CLASS, SUBCLASS:

649+, for tool groups which may be adjustable relative to a main central beam.

741+, for a single earth working element which is laterally adjustable.