Particulate material control apparatus

Details Particulate material control apparatus Particulate material control apparatus

1986-04-07

1987-06-09

Kundrat, Andrew V.

Fences

Driftage control

256 26, 104279, E01F 702

Patent

active

046714952

ABSTRACT:
A particulate material control apparatus is disclosed which includes longitudinally extending fin members attached at one end to a vertical post. The fin members are capable of rotating about the vertical post in an arc limited by adjacent posts or other stopping mechanisms. The fin members close against an adjacent post when wind or water currents flow across the area to be protected preventing wind or water erosion of sand, silt or soil in that area.

REFERENCES:
patent: 48464 (1865-06-01), Walrad
patent: 284900 (1883-09-01), Rice
patent: 329640 (1885-11-01), Gleason
patent: 490545 (1893-01-01), Dixson
patent: 1749068 (1930-03-01), DeLand
patent: 2974934 (1961-03-01), White
patent: 3473786 (1969-10-01), Luebke
patent: 4089179 (1978-05-01), Trautman
patent: 4174096 (1979-11-01), Campbell
patent: 4498660 (1985-02-01), Brema et al.

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