Aggregate leveling rake

Road structure – process – or apparatus – Apparatus – With means for profile shaping – e.g. – crown

Patent

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Details

404101, E01C 1920

Patent

active

047202084

ABSTRACT:
A rake for leveling aggregate, such as one-half to two-inch size aggregate used in roofing or landscaping applications, is comprised of a heavy, rigid, generally vertically disposed frame including a downwardly depending portion extending thereunder for immersion, submersion and movement through a volume of aggregate to be levelled over a flexible membrane. The downwardly depending portion has rounded ends and may be of a symmetrical serpentine shape intermediate the ends.

REFERENCES:
patent: 395721 (1889-01-01), Steiner
patent: 1100323 (1914-06-01), Ovens
patent: 3225837 (1965-12-01), Richards
patent: 4070128 (1978-01-01), Garrison
patent: 4411463 (1983-10-01), Alderman
patent: 4414797 (1983-11-01), Archer

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