E - Fixed Constructions – 03 – C
Patent
E - Fixed Constructions
03
C
15/12.6
E03C 1/302 (2006.01) B08B 9/04 (2006.01)
Patent
CA 1216712
ABSTRACT A feed control device for use in conjunction with plumbing tools of the type used for cleaning and removing obstructions from waste lines in which an elongated coiled spring wire, or plumber's snake, is advanced through the pipe and rotated. The feed control device includes a novel snake feeding mechanism movable into and out of engagement with the snake and includes a biasing means for yieldably urging removably mounted feed rollers, which form a part of the feeding mechanism, into driving engagement with the snake. A unique feature of the invention resides in the design of the feed roller holder assem- bly which permits the selection of rollers having either smooth peripheral surfaces, or, alternatively, surfaces having helical grooved formed therein. When the smooth rollers are used the rollers can be rotated within the holder assembly so that the snake can be driven forwardly or in reverse. With this arrange- ment the device can be used for a wide variety of sewer cleanout operations for cleaning out various types of blockages.
450434
Irwin Lawrence F.
Meredith & Finlayson
LandOfFree
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