Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Patent
1993-04-13
1994-08-09
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
1510409, 1510431, 403 1, B08B 902
Patent
active
053353889
ABSTRACT:
A blade assembly for attachment to a shaft that is rotatable about an axis on a conduit cleaner. The blade assembly has a hub defining an axis to be coaxial with the rotational axis of a shaft to which the blade is mounted. A cutting blade is attached to the hub so that the cutting blade does not project through the hub axis.
REFERENCES:
patent: 1602405 (1926-10-01), Fuchs
patent: 1684698 (1928-09-01), Freeman
patent: 1918353 (1933-07-01), Utley
patent: 2336293 (1943-12-01), Pletcher
patent: 3525112 (1970-08-01), Masters
patent: 4001911 (1977-01-01), Watson
patent: 4766631 (1988-08-01), Crane et al.
Roberts Edward L.
Spartan Tool Div. of Pettibone Corp.
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