Telescopic polygon radial drive coupling for a drain...

Details Telescopic polygon radial drive coupling for a drain... Telescopic polygon radial drive coupling for a drain...

2006-07-11

2006-07-11

Kim, John (Department: 1744)

Brushing, scrubbing, and general cleaning

Implements

Pipe, tube, or conduit cleaner

C015S104310, C242S404000, C242S593000, C403S322200

Reexamination Certificate

active

07073224

ABSTRACT:
A coupling assembly for a portable drain cleaning machine includes a polygonal adapter mounted to a motor output shaft through a threaded interface. A polygon adapter threads over the motor output shaft in a locked male/female relationship to transmit rotation therebetween. A polygonal outer segment of the polygonal adapter telescopes into a polygonal inner segment of a sleeve mounted to the drum. The sleeve slides into a fixed cylindrical member and over the polygonal adapter to removably mount the drum. Rotation of the motor output shaft rotates the polygonal adapter which rotates the sleeve and the drum.

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