.~ Tool movable relative to mast while earth working
DEFINITION
Classification: 172/449
(under subclass 439) Apparatus in which an earth working element is free to move relative to the mast at least to a limited extent while the earth working element is performing its earth working function.
SEE OR SEARCH THIS CLASS, SUBCLASS:
440+, for apparatus comprising angled gangs liftable as a unit with one or more gangs movable relative to the mast while earth working.
450, for a mast-type hitch with tools swayable with respect to the propelling means but fixed with respect to the mast.
501+, for a tool liftable by an actuator on a wheeled frame and with a lost motion connection between the actuator and tool.
SEE OR SEARCH CLASS
280, Land Vehicles, 497, for articulated vehicles comprising a draft connection between the vehicles with vertically spaced connections to the leading vehicle.
