(under subclass 83) Device for imparting distinct blows or impacts to the road surface or road material.
(1) Note. Rapid back and forth agitation (a) not substantially normal to the surface of road material or (b) by means immersed or submerged in the road material, is considered to be agitation (for which, see subclasses 113+) or finishing (for which, see subclass 118) when such agitation is combined with means peculiar or restricted to road building. See search note to Class 366 under subclass 113.
SEE OR SEARCH THIS CLASS, SUBCLASS:
103, for a roller device with densifying and distributing means.
117, for a roller device with vibrating means.
SEE OR SEARCH CLASS
81, Tools,
463+, for tools with impact delivery means and see search notes thereunder for similar devices elsewhere classified. 173, Tool Driving or Impacting, appropriate subclasses for details of means to drive or deliver a blow to a tool.
175, Boring or Penetrating the Earth,
135, for means to impact in earth penetrating means.
405, Hydraulic and Earth Engineering,
271, for residual methods or apparatus for compacting an earth formation (e.g., compaction of the earth within a bore or channel).
425, Plastic Article or Earthenware Shaping or Treating: Apparatus,
425+, for a female mold including tamping means and subclass 456 for a shaper including powered virbrating means.