(under subclass 101) Material distribution device wherein the spreading means is provided with means producing an additional active motion component serving to more firmly densify or pack down the substance being spread.
(1) Note. The dynamic means of this subclass includes vibration means (for which see subclass 102 and notes thereunder) as well as rotary and recipricatory means, except that reciprocal or back and forth movement of screed (in a direction transverse to the extent of a roadway along which said screed is advanced) is not considered either "agitation" or "dynamic" for this subclass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
113+, 120 and 133, for other devices that utilize means with active motion components to compress or pack down road material.
SEE OR SEARCH CLASS
172, Earth Working,
170+, for a tool of that class which is diverse and includes a smooth, leveling roller.
