.~ Plural tools, individually spring biased down, lifted as unit
DEFINITION
Classification: 172/462
(under subclass 452) Apparatus comprising a plurality of earth working elements each individually biased downwardly by resilient means, and an actuator lifting all of said implements as a group to transport position.
(1) Note. The mere broad recitation in a claim that an earth working element is a spring tooth is not enough for classification under this definition.
SEE OR SEARCH THIS CLASS, SUBCLASS:
500, for a tool lifted for transport on a wheeled frame which is spring-biased down during operation.
