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US 4,363,157 AGranted
Buffing pad cleaning tool
AssigneeMinnesota Mining and Manufacturing Company
InventorRichard F. McGrath
Life of this patent
Estimating the term…
Abstract
A hand-held buffing pad cleaning tool providing both a plurality of spaced star wheels and an operator-activatable air nozzle for simultaneously drying finishing material in the fibers of a buffing pad, loosening the dried material and blowing it away.
Claims3
A cleaning tool for removing debris from buffing pads comprising:
- a frame having a first end portion adapted for manual engagement and a second projecting end portion;
- a plurality of spaced star wheels rotatably coaxially mounted in side-by-side spaced relationship on the second end portion of said frame;
- an air nozzle mounted on said frame and positioned to direct air passing through said nozzle generally toward one side of said star wheels;
- means affording coupling of a supply of high pressure air to said nozzle comprising a valve assembly having inlet and outlet ports and mounted on said frame, a passageway connecting the outlet port of said valve with said nozzle, and means for coupling the inlet port of said valve assembly to a supply of high pressure air;
- and
- means mounted on said frame for manually activating said valve means.
3 more elements
Dependencies are inferred from the claim text.