Drainage structure cleaning apparatus

Details Drainage structure cleaning apparatus Drainage structure cleaning apparatus

2007-04-11

2010-06-01

Graham, Gary K (Department: 3727)

Brushing, scrubbing, and general cleaning

Implements

Pipe, tube, or conduit cleaner

C015S104050, C015S104090, C037S442000, C037S444000, C037S411000, C037S903000, C414S722000, C172S821000, C172S666000

Reexamination Certificate

active

07725978

ABSTRACT:
An apparatus for cleaning a culvert includes a rod pushing and pulling machine, a rod string made from a series of extension rods coupled end to end, which rod string is mounted at a proximal end to the rod pushing and pulling machine. A debris removal tool is mounted on a distal end of the rod string. The debris removal tool may comprises a rod having a center longitudinal axis, a proximal end, and a distal end, the rod having a coupling at its proximal end. A bucket is mounted at the distal end of the rod, which bucket has an end opening positioned so that movement of the bucket along the culvert scoops debris into the bucket.

REFERENCES:
patent: 1344249 (1920-06-01), Stewart
patent: 1376995 (1921-05-01), Balsley
patent: 1599307 (1926-09-01), Ward
patent: 2132795 (1938-10-01), Minier
patent: 2402314 (1946-06-01), Crane
patent: 3042234 (1962-07-01), Davis
patent: 3916471 (1975-11-01), Maze
patent: 4274797 (1981-06-01), Coon
patent: 5178484 (1993-01-01), Strunk
patent: 6000152 (1999-12-01), Tate
patent: 265254 (1926-10-01), None

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