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US 5,307,534 AGranted
Portable rotary copper pipe cleaner
OwnerRichard P. Millerinventor
Life of this patent
Estimating the term…
Abstract
A multi-purpose rotary pipe or tubing cleaner especially adapted for cleaning copper pipe and fittings for sweat soldering joints having rotary internal and external brushes and an internal reamer.
Claims2
A new rotary tool for preparing copper tubing for soldering comprising
- a generally cylindrical body having four arcuate indentations colinearly and longitudinally arranged for engagement with a user's hand, one of said indentations being substantially slightly deeper than the remaining indentations and shaped in such a manner so as to define a longitudinally oriented rectangularly shaped aperture;
- a motor electrically connectable to a battery and positioned within said cylindrical body and having a pair of oppositely extending shafts which project exteriorly of said cylindrical body;
- a pair of rotatably tightenable chucks, each of said chucks being fixedly secured to one of said shafts;
- an internal cleaning brush removably coupled to one of said chucks, said internal cleaning brush comprising a cylindrical housing having a plurality of wire cleaning bristles extending outwardly therefrom;
- an external cleaning brush removably coupled to another of said chucks, said external cleaning brush comprising a further cylindrical housing having a further plurality of wire bristles extending inwardly therefrom, and a centrally positioned reamer mounted within said further cylindrical housing, said reamer being conical in shape and having helical ridges extending outwardly from a center thereof;
- and,
- a switch electrically connected to said motor and electrically connectable to said battery, said switch being positioned partially within said cylindrical body and extending partially through said rectangularly shaped aperture for operation thereof by a user.
4 more elements
Dependencies are inferred from the claim text.