Patents by Inventor Robert P. Welsh

Robert P. Welsh 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: 5771949
    Abstract: An improved portable wood planing machine for the surface of wooden planks or boards is provided. In an exemplary embodiment, the planing machine includes a carriage assembly locking mechanism for locking the carriage assembly relative to a plurality of vertical support columns to thereby vertically fix the carriage assembly. In one form, the carriage assembly locking mechanism includes a plurality of levers which cooperate to engage the support columns of the carriage assembly. The exemplary embodiment further includes a depth stop adjustment mechanism which allows the operator to accurately select a minimum workpiece depth from one or more predetermined depths and a material removal indicator assembly operable for enabling the user of the planing machine to accurately determine the amount of material to be removed during each pass of the workpiece.
    Type: Grant
    Filed: June 5, 1996
    Date of Patent: June 30, 1998
    Assignee: Black & Decker Inc.
    Inventors: Robert P. Welsh, Robert S. Gehret, Michael L. O'Banion, P. Brent Boyd, Barry D. Wixey, Louis M. Shadeck
  • Patent number: 5768971
    Abstract: A scroll saw with an adjustable tensioning mechanism includes a housing having an inner surface and a pivoting arm having a rearward end disposed within an opening in the housing. A first blade clamp is disposed at the forward end of the pivoting arm and secures the upper end of a saw blade. The lower end of the saw blade is secured in a second blade clamp disposed at the forward end of a lower arm. A wedge is disposed within the housing, in contact with the inner surface of the housing. The wedge also is disposed in contact with and translatable along a surface of the pivoting arm. A rod is linked to the wedge at one end and extends through the pivoting arm. The rod includes an upwardly turned arm. A cam having a spiral track is rotatably mounted at the front of the pivoting arm with the upwardly turned arm disposed in the track.
    Type: Grant
    Filed: September 26, 1996
    Date of Patent: June 23, 1998
    Assignee: Black & Decker Inc.
    Inventors: Michael L. O'Banion, Louis M. Shadeck, Thomas R. Sommerville, Robert P. Welsh
  • Patent number: 5765273
    Abstract: A drill press including a vertically disposed support post and a pivot assembly supported upon the support post is disclosed. A table is supported on the pivot assembly. The pivot assembly is pivotable about a first substantially horizontal axis, with the table pivoting about the first horizontal axis jointly with the pivot assembly. The table also is pivotable relative to the pivot assembly about a second substantially horizontal axis. The pivot assembly also may be pivoted around a vertical axis defined by the post and may be raised and lowered along the vertical post. A clamp plate is adjustably secured to the table and a telescoping extension arm is fixably secured relative to the table by the clamp plate. A guide fence is slidably disposable along the upper surface of the table and may be secured at various locations. A clamp may be adjustably secured either directly to the table or to the guide fence to vertically clamp a workpiece on the table.
    Type: Grant
    Filed: September 16, 1996
    Date of Patent: June 16, 1998
    Assignee: Black & Decker Inc.
    Inventors: Ludwin Mora, Michael L. O'Banion, Richard K. Pallo, Robert P. Welsh
  • Patent number: D370809
    Type: Grant
    Filed: August 9, 1995
    Date of Patent: June 18, 1996
    Assignee: Selfix, Inc.
    Inventors: Raul Munoz, Robert P. Welsh, Robert W. Matthes
  • Patent number: D371031
    Type: Grant
    Filed: August 9, 1995
    Date of Patent: June 25, 1996
    Assignee: Selfix, Inc.
    Inventors: Raul Munoz, Robert P. Welsh, Robert W. Matthes
  • Patent number: D386747
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: November 25, 1997
    Inventor: Robert P. Welsh
  • Patent number: D387069
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: December 2, 1997
    Assignee: Black & Decker Inc.
    Inventor: Robert P. Welsh
  • Patent number: D387070
    Type: Grant
    Filed: November 8, 1996
    Date of Patent: December 2, 1997
    Assignee: Black & Decker Inc.
    Inventor: Robert P. Welsh
  • Patent number: D387362
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: December 9, 1997
    Assignee: Black & Decker Inc.
    Inventor: Robert P. Welsh
  • Patent number: D387363
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: December 9, 1997
    Assignee: Black & Decker Inc.
    Inventor: Robert P. Welsh
  • Patent number: D390766
    Type: Grant
    Filed: April 17, 1997
    Date of Patent: February 17, 1998
    Assignee: Black & Decker Inc.
    Inventors: Scott Price, Thomas R. Kaye, Jr., Robert P. Welsh
  • Patent number: D391973
    Type: Grant
    Filed: December 2, 1996
    Date of Patent: March 10, 1998
    Assignee: Black & Decker Inc.
    Inventors: Scott Price, John W. Miller, Daryl S. Meredith, Thomas Kaye, William R. Stumpf, Mark Brunson, Robert P. Welsh
  • Patent number: D395320
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: June 16, 1998
    Assignee: Black & Decker Inc.
    Inventor: Robert P. Welsh
  • Patent number: D395323
    Type: Grant
    Filed: July 16, 1997
    Date of Patent: June 16, 1998
    Assignee: Black & Decker Inc.
    Inventor: Robert P. Welsh
  • Patent number: D395324
    Type: Grant
    Filed: July 16, 1997
    Date of Patent: June 16, 1998
    Assignee: Black & Decker Inc.
    Inventor: Robert P. Welsh
  • Patent number: D395437
    Type: Grant
    Filed: January 15, 1997
    Date of Patent: June 23, 1998
    Assignee: Black & Decker Inc.
    Inventor: Robert P. Welsh
  • Patent number: D396050
    Type: Grant
    Filed: July 16, 1997
    Date of Patent: July 14, 1998
    Assignee: Black & Decker Inc.
    Inventor: Robert P. Welsh