Patents by Inventor John Wirth, Jr.

John Wirth, Jr. 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: 6685176
    Abstract: A clamp pad is provided for being selectively mounted to each jaw of a bar clamp assembly. The clamp pad can be easily mounted to the clamp jaw and radially locked in place with respect to the bar clamp assembly. In an embodiment of the invention, the clamp pad is configured to selectively be fit on either of the clamp jaws of the bar clamp assembly to facilitate assembly. The clamp pad defines a substantially increased clamping area to evenly distribute force and prevent damage to the associated workpiece. The increased dimensions of the clamp pad also stabilizes the bar clamp assembly, which eliminates tipping and thus eliminates the need for associated assemblies such as clamp saddles and the like.
    Type: Grant
    Filed: October 18, 2001
    Date of Patent: February 3, 2004
    Assignee: Woodworker's Supply, Inc.
    Inventors: John Wirth, Jr., Paul Brutsman, Dan Stoops, Jay L. Sanger, Mark K. McCool
  • Patent number: 6585459
    Abstract: A plug cutter is provided that has a main body with a shank extending from one end and plurality of cutting blades extending from the other end. The blades have a plurality of facets defining cutting edges for cutting and shaving stock material to form a plug. The blades define an inner bore having a staged taper and a radial relief portion is provided so that a gap is defined between an outer surface of the plug being formed and the radially relieved portion of the inner surface of the blades. The plug cutter has a built-in depth stop to provide plug height repeatability and quick set up.
    Type: Grant
    Filed: December 4, 2001
    Date of Patent: July 1, 2003
    Assignee: Woodworker's Supply Inc.
    Inventors: John Wirth, Jr., Jay L. Sanger, Mark K. McCool, Paul Brutsman
  • Patent number: 6273652
    Abstract: A plug cutter is described that is rotatable about an axis of rotation. the plug cutter has a main body having a longitudinal axis coinciding with the axis of rotation. The main body defines a bore extending axially therein. A shank extends axially from one end of the main body along the axis of rotation. A plurality of cutting blades extend axially from the opposite end of the main body and each terminate in a distal end. The plurality of blades are adapted to cut a plug from a piece of stock as the plug cutter is rotated about the axis of rotation and advanced axially into the piece of stock. Each of the blades has leading and trailing edges. Each of the blades also has an inner surface and a radially relieved portion facing the bore. The radially relieved portion begins at a relief start position and ends at a relief end position so that, as the plug cutter cuts the plug, a gap is defined between an outer surface of the plug being cut and the radially relieved portion.
    Type: Grant
    Filed: November 23, 1999
    Date of Patent: August 14, 2001
    Assignee: Woodworker's Supply
    Inventors: John Wirth, Jr., Jay L. Sanger, Mark K. McCool, Paul Brutsman
  • Patent number: 6244793
    Abstract: An attachment that allows a drilling machine, such as a drill press, to simultaneously bore the plurality of holes required for mounting a hardware component to a workpiece. In an exemplary embodiment, the attachment is adapted to simultaneously bore, in a desired disposition, all three holes needed to mount European style hinges in a single stroke. The hinge boring attachment includes a drilling head, which attaches to the chuck of the drilling machine. The drilling head rotatably supports a plurality of boring bit mounting shafts, corresponding to the number of holes to be drilled and interconnected with drive trains for translating the rotation of a center shaft, attached to the chuck of the drilling machine, to all shafts. A stabilizing arm is further preferably provided to clamp the drilling head to the support post of the drill press and roll smoothly along the support post during the drilling operation.
    Type: Grant
    Filed: September 17, 1999
    Date of Patent: June 12, 2001
    Assignee: Woodworker's Supply, Inc.
    Inventors: John Wirth, Jr., Jay L. Sanger, Paul Brutsman, Mark K. McCool
  • Patent number: 6221135
    Abstract: To adapt a dust collector for use with a trash can, a clamp-on skirt or adapter is provided to interconnect the lower opening of the dust collector housing to the rim or upper portion of a conventional trash can. In a preferred embodiment, the clamp-on skirt adapter is formed from the same material as conventional dust collection bags and can be clamped to the dust collector housing and trash can using, for example, conventional dust collection bag clamping straps.
    Type: Grant
    Filed: September 17, 1999
    Date of Patent: April 24, 2001
    Assignee: Woodworker's Supply
    Inventors: John Wirth, Jr., Jay L. Sanger, Paul Brutsman
  • Patent number: 6135521
    Abstract: A push stick for use with woodworking equipment is provided with a main body having two stepped portions or notches for positive engagement with a work piece. The push stick has an ergonomically designed, open grip handle and non-slip pads on working surfaces for control and ease of use.
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: October 24, 2000
    Assignee: Woodworker's Supply Inc.
    Inventors: John Wirth, Jr., Jay L. Sanger, Paul Brutsman, Mark McCool
  • Patent number: 5882151
    Abstract: A boring tool includes a depth stop for regulating cutting depth of the boring tool. The boring tool has a shank and an elongated cutting head. The depth stop includes a sleeve body which is selectively, detachably fixed to a shank of the boring tool by a sleeve body attaching mechanism and a cutting depth regulating structure that is rotatably mounted to the sleeve body. A depth stop for regulating cutting depth of a rotary cutting tool having an axis of rotation includes a cutting depth regulating structure having circumferentially spaced, radially extending tines including a portion extending substantially in parallel to the axis of rotation and may be selectively, detachably fixed to the rotary cutting tool by a collet.
    Type: Grant
    Filed: May 27, 1997
    Date of Patent: March 16, 1999
    Assignee: Woodworkers Supply, Inc.
    Inventors: John Wirth, Jr., Jay L. Sanger, Paul Brutsman
  • Patent number: 5816898
    Abstract: A cutter sharpening accessory or cutter holder for use in conjunction with a drill press, radial arm saw or like woodworking apparatus to which a grinding tool, such as a diamond cup wheel, can be secured and rotated at high speed and having a work surface disposed thereunder on which the holder of the invention can be displaced relative to the grinding tool. The cutter sharpening accessory provided in accordance with the invention is adapted to rough and micro adjustment both radially and radial transversely to properly position a cutter to be sharpened relative to the horizontally disposed grinding face of the grinding tool. Continuous adjustment vertically is advantageous provided, furthermore, to ensure that the surface to be ground is properly located vertically relative to the grinding tool.
    Type: Grant
    Filed: April 15, 1997
    Date of Patent: October 6, 1998
    Assignee: Woodworker's Supply
    Inventors: John Wirth, Jr., Jay L. Sanger, Mark K. McCool
  • Patent number: 5810524
    Abstract: A plug cutter has a main body portion having a longitudinal axis, shank portion extending axially from one end of the main body, and a plurality of blades extending axially from an opposite end of the main body. The blades are formed so that at least a portion of the inner surfaces thereof have a measure of radial relief with respect to the leading edges of the blades. A radial distance from the axis of rotation of the plug cutter to the leading edge of each blade is always less than the radial distance from the axis of rotation to any other portion of the inner surface. Accordingly, when a plug is being cut with the plug cutter, a gap is defined between an outer surface of the plug and the radially relieved portion of the inner surfaces.
    Type: Grant
    Filed: August 1, 1996
    Date of Patent: September 22, 1998
    Assignee: Woodworker's Supply, Inc.
    Inventors: John Wirth, Jr., Jay L. Sanger, Mark K. McCool
  • Patent number: 5795110
    Abstract: A depth stop is provided that is selectively attachable to a cutting tool at an operator-selected location. The end of the depth stop that comes into contact with a work piece during operation is covered with a rotating cap. The cap prevents the work piece from being marred because the cap stops rotating when it comes into contact with the work piece while the cutting tool and the rest of the depth stop continue to rotate. The cap is rotatably mounted on the depth stop by a flange that engages a groove formed in the depth stop. An annular ring is provided between the cap and the end of the depth stop body to facilitate the rotatability of the cap with respect to the body.
    Type: Grant
    Filed: August 1, 1996
    Date of Patent: August 18, 1998
    Assignee: Woodworker's Supply, Inc.
    Inventors: John Wirth, Jr., Jay L. Sanger, Mark K. McCool
  • Patent number: 5645117
    Abstract: A turner holds a wood blank while positioning it adjacent a cutting bit of a router to cut the blank into a shaped cylindrical object. The turner includes a mandrel and two mandrel wheels attachable to ends of the mandrel, which each have finger gripping portions. A wood block is disposed on the mandrel and the wheels are attached to the mandrel. Spacers may be used to position the wood block. The mandrel/wood block assembly is then moved adjacent a cutting bit, such as a router bit, to remove wood from the wood block. This enables generally cylindrically shaped objects to be formed which may then be polished and finished and used in pens, mechanical pencils, handles and like holders.
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: July 8, 1997
    Assignee: Woodworker's Supply
    Inventors: John Wirth, Jr., Jay L. Sanger, Mark P. Tompkins
  • Patent number: 5598878
    Abstract: A joint jig and template assembly has a base, first and second clamp assemblies attached to the base, each of the first and second clamp assemblies having a clamp member which is capable of moving relative to the base to engage a board placed adjacent the base, a support structure engagable with the base and a template supportable by the support structure. The template has at least one undulating surface to guide a router bit during operation of a router upon the board, and a plurality of bores arranged to guide a bit during operation of a drill upon the board. Movement of the router and drill are limited by the template during operation on the board to cut a particular design in one of the end surfaces of the board to enable the board to mate with another board to form an angled joint.
    Type: Grant
    Filed: October 27, 1995
    Date of Patent: February 4, 1997
    Assignee: Woodworker's Supply
    Inventors: John Wirth, Jr., Jay L. Sanger, Mark K. McCool
  • Patent number: 5413158
    Abstract: A simplified mortising adapter for converting a conventional radial arm saw, or other power tool having an arbor, into a mortising tool. The adapter includes a base plate and a drive spindle rotatably mounted to the base plate for connecting to the radial arm saw or other power tool's arbor and driving a chain saw adjustably attached to the base plate. The drive spindle has a socket having a characteristic shape which is generally complementary to the shape of the arbor so that those components can be drivingly engaged. The adapter also includes a clamp mechanism for clamping the base plate to the power tool in a manner such that the base plate can be adjusted to concentrically align the drive spindle with the arbor when the base plate is clamped to the power tool.
    Type: Grant
    Filed: April 21, 1994
    Date of Patent: May 9, 1995
    Assignee: Woodworker's Supply, Inc.
    Inventors: John Wirth, Jr., Norris Shippen, Jay L. Sanger
  • Patent number: 4909292
    Abstract: A boring, mortising, tenoning and duplicating woodworking machine including a horizontally movable workpiece support platform and vertically movable cutting tool support member. A tracing element is preferably mounted to the cutting tool support structure for tracing an object mounted to the workpiece support platform so that the object can be duplicated in the workpiece. A series of apertures are defined in the cutting tool support structure so that exhaust air from the engine can facilitate the removal of debris from the cutting tool/workpiece interface. Further a guard is provided for protecting the operator from flying wood chips and the like and wiper elements are mounted to wheels of the workpiece support platform to maintain the tracks of the workpiece support platform clear of wood chips and debris which would hinder the cutting operation.
    Type: Grant
    Filed: March 20, 1989
    Date of Patent: March 20, 1990
    Inventor: John Wirth, Jr.
  • Patent number: D459371
    Type: Grant
    Filed: August 7, 2001
    Date of Patent: June 25, 2002
    Assignee: Woodworker's Supply, Inc.
    Inventors: John Wirth, Jr., Jay L. Sanger, Charles H. Latven