To Electrical Machine To Abrade Commutator Patents (Class 451/418)
  • Patent number: 9543723
    Abstract: The trailer light harness cleaner includes a plunger that is affixed to an insert, which slides back and forth within an outer sleeve. The insert includes at least one sanding element that is adapted to sand against an electrical terminal of a trailer light harness. The insert is either male-oriented or female-oriented so as to adaptively clean either a male or female light harness. The sleeve is adapted to interface with a light harness, whereas the insert is able to slide back and forth in order for the at least one sanding element to adaptively clean terminals associated with the respective light harness.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: January 10, 2017
    Inventor: Sidney Steen
  • Patent number: 7888838
    Abstract: In an electrical device, in particular a power tool, equipped with a commutator motor, and in an accessory for an electrical device of this kind, a carbon brush shape adapting device is an integral component of the electrical device or of the accessory.
    Type: Grant
    Filed: October 24, 2007
    Date of Patent: February 15, 2011
    Assignee: Robert Bosch GmbH
    Inventor: Florian Esenwein
  • Patent number: 6952067
    Abstract: A surface of a commutator 5 is rubbed by a shakedown brush 21 other than ordinary brushes 11 to produce a carbon coat, whereby a shakedown process can be reduced or abolished.
    Type: Grant
    Filed: March 7, 2002
    Date of Patent: October 4, 2005
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Toshinori Tanaka, Hisato Sakaguchi, Kyouhei Yamamoto
  • Patent number: 6183355
    Abstract: An adapter apparatus for use with a power operated surface preparation device comprising an upper cap positioned on a first end of a stainless steel spring and a lower cap positioned on a second end of the spring. The center of the upper cap has a threaded opening and the center of the lower cap has a threaded opening wherein a shaft of the power tool is fastened to the upper cap and a shaft of a disk is fastened to the center of the lower cap. The power device rotates at speeds up to 10,000 RPMs and the disk on the lower end adapter of the apparatus maintains close contact with a work surface while an operator exerts minimum force only to guide the power device from area to area and not to maintain the disk touching the work surface.
    Type: Grant
    Filed: September 25, 1998
    Date of Patent: February 6, 2001
    Inventor: Walter J. Robinson