(under the class definition) Apparatus in which the buried-object recovering device is supported, in its operative position, from a mobile ground-supported frame in such manner that the entire device can be detached as a unit from said frame.
(1) Note. The unearthing unit disposed on a carrying frame which is towed by an automotive frame through a separable draft connection (which connection may or may not support part of said carrying frame) has been excluded unless said unit is also detachable as a unit from said carrying frame.
(2) Note. The unearthing unit may be detachably supported on either an automotive frame or a towed frame.
SEE OR SEARCH CLASS
172, Earth Working,
272+, for a means to facilitate the mounting of an implement on a motor vehicle.
