Removable culvert grate

Details Removable culvert grate Removable culvert grate

1986-03-14

1987-12-15

Therkorn, Ernest G.

Liquid purification or separation

Processes

Including geographic feature

210155, 210162, 210170, 210237, 405125, B01D 3528, E02B 508

Patent

active

047131799

ABSTRACT:
A removable culvert grate for placement adjacent the inflow end of a culvert. The grate includes a vertical grate having a plurality of slats to prevent the flow of beaver workings or similar debris therethrough, and a horizontal platform extending outwardly from the lower edge of the vertical platform. A linkage bar is provided extending from the upper edge of the vertical grate for connection to a power source such as a winch. The grate may be placed adjacent the inflow of a culvert, and, after beavers have constructed a dam or similar debris has collected against the vertical grate, the unit may be lifted by a winch carried in a pick-up truck or similar vehicle, carrying with it the debris.

REFERENCES:
patent: 543961 (1895-08-01), Hayward
patent: 693511 (1902-02-01), Garrett et al.
patent: 1420283 (1922-06-01), Randlett
patent: 2102310 (1937-12-01), Egan
patent: 3086655 (1965-04-01), Compton
patent: 3472030 (1969-10-01), Rieke
patent: 3587239 (1971-06-01), Feland
patent: 4042506 (1977-08-01), Wilson
"California Culvert Practice", California Highways and Public Works, 1943, pp. 12-21.

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