Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Patent
1995-08-09
1996-03-26
Roberts, Jr., Edward L.
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
B08B 902
Patent
active
055009743
ABSTRACT:
A dredging device includes a casing in which a substantially U-shaped frame is pivotally mounted. A stem portion is rotatably mounted on an upper wall of the casing. A first axle has an upper end securely attached to the stem portion. A drive gear is fixedly mounted around a lower end of the first axle. A second axle is rotatably mounted through a lower section of the frame. A driven gear is fixedly mounted around an upper end of the second axle. A threaded groove is defined in an inner wall of the second axle. A third axle has a first end rotatably mounted through a mediate portion of a side section of the frame. A transmission gear is fixedly mounted around the third axle and meshes between the drive gear and the driven gear. A reel is securely mounted on a second end of the third axle. A length of stranded rope is wound around the reel and has a free end extending through the threaded groove in the second axle to outside of the lower wall of the casing. An outer threaded portion is formed on the length of stranded rope. A spiral portion is formed on the free end of the wire.
REFERENCES:
patent: 1912525 (1933-06-01), Hotchkiss
patent: 1936119 (1933-11-01), Sachs
patent: 2033670 (1936-03-01), Auer
patent: 2803843 (1957-08-01), Levine
patent: 3145972 (1964-08-01), Sweeney
patent: 3473182 (1969-10-01), Caperton
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