Patents by Inventor Bruce Mackiewicz

Bruce Mackiewicz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Drive assembly for radio-controlled cars
    Patent number: 5662185
    Abstract: A drive assembly mounted on the axle of a radio-controlled racing car, the drive assembly comprising in combination, an axle hub having a drive sleeve positioned therein, the drive sleeve having an extending geometric face cooperable with a ring bearing having a complimentary geometric aperture, mounted interiorily of a spur gear mounted on the axle, and a wheel hub having a drive sleeve secured therein having an extending geometric face cooperable with an exterior mounted ring bearing, having a complimentary geometric aperture, both the wheel hub, the drive sleeve and ring bearing mounted exteriorily of the spur gear, the geometrically-extending face of the complimentary drive sleeves cooperable with the geometric apertures of the ring bearing to provide positive, non-slippage rotation to the axle of the radio-controlled car.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: September 2, 1997
    Inventor: Bruce Mackiewicz