Vibratory roller with axially spaced zig zag impact bars and wir

Details Vibratory roller with axially spaced zig zag impact bars and wir Vibratory roller with axially spaced zig zag impact bars and wir

1983-08-16

1985-06-18

Johnson, Richard J.

Road structure, process, or apparatus

Apparatus

Rotating drum, roller or tire

172554, 172606, 404129, E01C 1926

Patent

active

045238731

ABSTRACT:
A vibratory roller is journalled from a frame portion of a vehicle of the compaction-type and the roller includes a generally cylindrical outer face. A plurality of circumferentially extending lug bands are carried by the roller outer surface and are disposed in laterally spaced zones of the outer face spaced longitudinally of the roller and in which diametric planes of the roller lie. The lug bands are comprised of lugs including outer surfaces disposed at least substantially normal to intersecting radii of the roller and generated about the axis of rotation of the roller. The outer surfaces are at least substantially circumferentially continuous about the roller and extend in zig zag paths contained in the aforementioned zones. The lateral spacing between adjacent zones defines circumferentially continuous paths of the outer roller face which are free of the lug bands and scraper members are carried by the frame portion and disposed in at least closely spaced relation to the face for scraping accumulated debris from the aforementioned paths. The lugs are generally hexagonal in transverse cross section and are welded to the outer face of the roller with the welding operation being performed to create fillets on opposite sides of the lugs forming downward and outward inclined continuations of the inclined side surfaces of the lugs intersecting the outer surfaces thereof.

REFERENCES:
patent: 15049 (1856-06-01), Yost
patent: 1952545 (1934-03-01), Gotshall
patent: 3071050 (1963-01-01), Shatto
patent: 4227827 (1980-10-01), Arenz
patent: 4370895 (1983-02-01), Wright

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