Extendible cleaner rod
OwnerJia Changinventor
Life of this patent
Estimating the term…
Abstract
An extendible cleaner rod includes a fixed coupler for attaching to a base tube and having a sleeve member extended from a base portion, the sleeve member includes one or more slots to form one or more blades, the blades each includes an inclined surface, an extending tube is engaged into the sleeve member of the fixed coupler, and a rotatable coupler is engaged onto the sleeve member and includes one or more protrusions each having an inclined surface for engaging with the inclined surface of the blades and for forcing the fixed coupler and the extending tube together. The rotatable coupler may be limited to rotate relative to the fixed coupler and will not be over-rotated relative to the fixed coupler.
Claims4
An extendible cleaner rod comprising:
- a fixed coupler including a base portion for attaching to a base tube, and including a sleeve member extended from said base portion, said sleeve member including at least one slot to form at least one blade, said at least one blade including an inclined surface formed thereon,
- an extending tube engaged into said, sleeve member of said fixed coupler, and
- a rotatable coupler including a bore for rotatably engaging onto said sleeve member of said fixed coupler and including at least one protrusion extended into said bore of said rotatable coupler, said at least one protrusion including an inclined surface for engaging with said inclined surface of said at least one blade of said fixed coupler and for allowing said at least one protrusion to be rotated and engaged onto said at least one blade of said fixed coupler and for allowing said fixed coupler and said extending tube to be forced and secured together with said rotatable coupler.
Dependencies are inferred from the claim text.