(under subclass 113) Agitating device wherein the upper material surface is acted on by a rotary drum or cylinder which drum or cylinder includes means to jar or shake said drum while compacting the material surface.
SEE OR SEARCH THIS CLASS, SUBCLASS:
103, for roller device with dynamic means to densify material while distributing said material.
122+, for roller device without agitating means.
SEE OR SEARCH CLASS
74, Machine Element or Mechanism,
61, and 87 for specific vibrating structure.
81, Tools,
463+, for tools with impact-delivery means and see search notes thereunder for similar devices elsewhere classified.
172, Earth Working,
40, for a vibrating tool. See search note to Class 172 under class definition of Class 404.
