Patents by Inventor Walter C. Schumacher

Walter C. Schumacher 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).

  • AC switch with cantelever contact and balance springs
    Patent number: 3944773
    Abstract: An alternating current switch suitable for automatic assembly is provided having an insulating housing including an open top base and a cover to close the base. The base has side openings to expose screw terminals and may have bottom openings to admit wires to push in connectors. The terminals are integral parts of contact arms within the housing. The contact arms as well as a balance spring are held in place in the housing within side wall slots integral with the base of the housing and by bosses integral with the cover. The balance spring and a movable contact arm are shaped to bear against cam portions of a toggle.The cover is provided with bearings to hold the toggle at its trunions in pivoting relation and is provided with a top opening through which the trigger of the toggle extends to the switch exterior.
    Type: Grant
    Filed: March 28, 1974
    Date of Patent: March 16, 1976
    Inventor: Walter C. Schumacher
  • Combined switchplate, switches and indicator panel therefor
    Patent number: D262261
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: December 15, 1981
    Assignee: General Electric Company
    Inventors: Walter C. Schumacher, Joan K. Creamer