US PATENT SUBCLASS 172 / 307
.~ Parallelogram type lift


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

297  DF  TOOL FORWARD OF REAR OF MOTOR VEHICLE {10}
307.~ Parallelogram type lift


DEFINITION

Classification: 172/307

(under subclass 297) Apparatus provided with an actuator for lifting the earth working element out of ground contact to transport position including a pair of approximately parallel struts pivoted to the earth working element and the wheeled frame so as to give the earth working element an approximately translatory motion as it is moved between transport and working positions.

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

SEE OR SEARCH THIS CLASS, SUBCLASS:

484, for an actuating means having parallel links for lifting a tool for transport on a wheeled frame.