Patents by Inventor Richard H. Steinbach

Richard H. Steinbach 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).

  • Patent number: 4756220
    Abstract: An improvement is set forth in a sawing apparatus having a table supporting a workpiece, a fence for guiding the workpiece and an operator moveable electrically operated saw having a first normally biased off switch controlling application of electric power to the apparatus, the switch being positioned to be controlled by the hand of an operator which controls movement of the saw. The improvement comprises a second normally biased off switch connected in series with the first normally biased off switch, the second switch being mounted adjacent to the fence a sufficient distance from the saw blade to prevent the saw blade from contacting the operator's off hand when the off hand is activating the second switch and in a position whereat the off hand can, simultaneously with activating the second switch, adjust the position of the workpiece along the fence.
    Type: Grant
    Filed: January 9, 1987
    Date of Patent: July 12, 1988
    Assignee: Engineering Consulting Services
    Inventors: Joseph C. Olsen, Richard H. Steinbach
  • Patent number: 4637288
    Abstract: An improvement is set forth in a sawing apparatus having a workpiece support structure and an operator moveable electrically operated saw having a first normally biased off switch controlling application of electric power thereto, the switch being positioned to be controlled by the hand of an operator which controls movement of the saw. The improvement comprises a device adapted for gripping, positioning and clamping a workpiece relative to the workpiece support structure and a second normally biased off switch connected in series with the first normally biased off switch, the second switch being positioned to be controlled by the off hand of the operator while the off hand is utilizing the device. Since both hands of an operator must be holding onto normally off switches and since both switches are in positions removed from the area of movement of the saw blade, the operator is protected from accidently cutting himself.
    Type: Grant
    Filed: December 18, 1985
    Date of Patent: January 20, 1987
    Assignee: Engineering Consulting Services
    Inventors: Joseph C. Olsen, Richard H. Steinbach