U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Air-assisted buffing pad cleaning tool and associated cleaning methods

Patent 4959928 Issued on October 2, 1990. Estimated Expiration Date: Icon_subject October 12, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

1022701

1279219

2619009

3596413

Sandpaper cleaning device
Patent #: 4438601
Issued on: 03/27/1984
Inventor: Olson

Abrasive belt cleaning system
Patent #: 4525955
Issued on: 07/02/1985
Inventor: Cothrell ,   et al.

Grinding machine with magazine for spare grinding wheels Patent #: 4528743
Issued on: 07/16/1985
Inventor: Bleich

Inventor

Application

No. 420529 filed on 10/12/1989

US Classes:

451/444Tool cleaner

Examiners

Primary: Schmidt, Frederick R.
Assistant: Shideler, Blynn

Attorney, Agent or Firm

Foreign Patent References

  • 243241 AU 08/13/1960
  • 495133 CA 08/13/2012

International Class

B24B 053/00

Abstract

An air-assisted tool for mechanically cleaning a rotary driveable buffing pad or the like comprises a hollow body portion to which a series of mutually spaced, externally toothed cleaning spurs are rotatably secured. The tool has an air inlet fitting connectable to a high pressure air supply hose to flow pressurized air through the tool body, and an outlet passage for discharging the air at a point adjacent the spur members. To use the tool, an operator grasps the tool body, places the cleaning spurs on the buffing pad during driven rotation thereof, and laterally moves the spurs radially inwardly and outwardly along the operative side of the rotating pad. The spurs are rapidly rotated by the moving pad and function to circumferentially rake the rotating pad to dislodge therefrom hardened cleaning material or the like adhering thereto from a previous use of the pad. The hardened material dislodgement action of the spurs is augmented by the discharged high pressure air continuously striking the pad area being raked and functioning to dislodge hardened material which might otherwise still adhere to the rotating pad.

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