US PATENT SUBCLASS 172 / 501
.~ Lost motion connection between actuator and tool


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}
501.~ Lost motion connection between actuator and tool {1}
502  DF  .~.~> Flexible connector


DEFINITION

Classification: 172/501

(under subclass 452) Apparatus in which the connection between the actuator and earth working element is such as to allow at least a certain amount of free vertical movement between the two in at least one direction.

SEE OR SEARCH THIS CLASS, SUBCLASS:

117, for driven earth working elements which are free to move bodily at least a limited amount relative to a supporting frame on which they are mounted.

414, for apparatus including a vertically adjustable ground support for a tool frame including a flexible or lost motion connection between the ground support and the actuator.

449, for apparatus with a mast-type hitch in which the tool is movable relative to the mast while earth working.