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| Number | Title | Issue Date |
| 7384220 | Laser-guided coordination hole drilling A laser-guided coordination hole tool for precisely drilling holes in large parts includes a positioning table, a bushing cavity for receiving drill bushings, a clamping device, and a laser target. A laser-guided coordination hole tool may include a software interlo... | 06/10/2008 |
| 7273332 | Method and apparatus for through-hole placement in a building structure A method and apparatus for creating a through-hole in a building structure includes selecting a first location on a first side of the building structure that will define a first opening of the through-hole; disposing a magnet at the first location; selecting a secon... | 09/25/2007 |
| 7258512 | Drill clamp and method A drill clamp comprising a clamp mechanism and a hole-locating pin. The clamp mechanism has a first clamp portion and a second clamp portion. The second clamp portion includes a drill-receiving opening sized for receiving a drill bit. The hole-locating pin is operat... | 08/21/2007 |
| 7229237 | Tool for removing an object from a workpiece A tool for removing an object from a hole in a workpiece which includes a first and second arm pivotably connected together. Each arm having an opening between the ends. The second arm also has a drill hole at the second end. A liner bushing and a drill bushing can ... | 06/12/2007 |
| 7226253 | Clamping mechanism The drilling of a hole through at least two structural components in alignment with a predrilled hole or marked location in one of the structural components is facilitated by a clamping mechanism that has a bail with two legs. One leg carries a first clamping sectio... | 06/05/2007 |
| 7220085 | Universal jig/work holding fixture and method of use A universal jig/work holding fixture for precision manual reaming of valve bores within a transmission valve body, or other work piece is disclosed. The universal jig/work holding fixture includes a tool holder (i.e. jig) having universal swiveling movement in all a... | 05/22/2007 |
| 7062858 | Hand tool and knife for deburring A hand tool for deburring is provided, as well as a cutting blade to be inserted into the tool, the tool comprising a housing, and a rotatable holding device, the holding device being positioned in and being rotatable in the housing and having a chamber for releasab... | 06/20/2006 |
| 6238149 | Apparatus for drill press A method for connecting an attachment to a drill press includes: providing an alignment member including a first portion and a second portion, and having a central axis; securing the first portion of the alignment member within the chuck; connecting the a... | 05/29/2001 |
| 6186707 | Apparatus for locating holes to be drilled in post cure composite structures and associated method An apparatus is provided for locating holes to be drilled in a post-cure composite structure, generally comprising a drill boss defining a bore, a bonding fixture defining at least one hole, wherein one surface of the bonding fixture defines the shape of ... | 02/13/2001 |
| 6109839 | Combination precision drill guide and replacement part A kit for repairing a worn out of round aperture. The kit includes a template which is later utilized as a part of the repair. In a first embodiment, the template is precisely located by means of utilizing the bottom of the aperture which does not become ... | 08/29/2000 |
| 6099213 | Automatic boring device An automatic boring device is provided that comprises a tool housing having attached to it two opposing handles with switches mounted thereon for selective engagement of pneumatic controls that activate a clamping device, rotation of a chuck of a pneumati... | 08/08/2000 |
| 5807034 | Vacuum drill plate A suction grip for holding a pneumatic power tool to the surface of sheet material for drilling and counterboring holes contains a plate and a releasibly fastened cylindrical member. The plate contains a shallow region on a front face that abuts the work ... | 09/15/1998 |
| 5732607 | Portable machine tool A machine tool comprises a chuck mountable in a bore of a workpiece, a drive assembly attached to the chuck, and a tool head releasably attached to the drive assembly. The tool head has a tool head body, and a drive shaft extends through the tool head bod... | 03/31/1998 |
| 5655278 | Apparatus and method for boring overhead cam engine cylinder heads A method and machine for repairing overhead cam engine cylinder heads and the like. The method includes the steps of removing the caps from the bases of the bearing towers or housings, removing material from the legs of the caps to reduce their height, re... | 08/12/1997 |
| 5628591 | Axle pivot boring tool An axle pivot boring tool is disclosed. Such tool comprises a plate having an enlarged circular aperture in a central extent thereof. A plurality of small apertures are symmetrically located therearound. A plurality of peripheral holes for mounting the pl... | 05/13/1997 |
| 5281057 | Valve guide boring fixture A fixture is provided for reworking valve guide bores in a cylinder head of an internal combustion engine, the engine including a valve seat corresponding to each valve guide bore. The fixture includes a frame with supports for holding the cylinder head, ... | 01/25/1994 |
| 5030046 | Valve seal ring seating machine The disclosure involves a portable milling machine for remachining radially directed access bores of interest in large check valves which is readily attached to and removed from the valve and is precisely alignable with respect to the center of the bore t... | 07/09/1991 |
| 5017056 | Positioner for accurately drilling a hole in a tool ball pad A tool ball pad hole positioner is provided which includes first plate which is securely positionable with respect to a jig and has a large aperture therein; a second plate which is movable with respect to the first plate and has a small circular aperture... | 05/21/1991 |
| 4997321 | Apparatus for aligning and reboring a damaged throughbore of a housing Apparatus for reboring a damaged portion in the first of first and second bores (14,15) in a counterbored workpiece (12) contemplates a first pilot (35) for extending through the second bore and engaging the first bore interiorly of the damaged portion, a... | 03/05/1991 |
| 4991306 | Tactile center locator The center locator utilizes a probe mounted for limited universal movement by a ball and socket arrangement. The center locator is affixed to the machine tool spindle so that the center of the ball coincides with the axis of the machine tool spindle. One ... | 02/12/1991 |
| 4936720 | Compact device for cutting holes in pipe A device for cutting holes in pipe includes a base configured for attachment normal to a section of pipe and having a track extending the length of the base, a travel plate slidably engaged in the track and configured for the accommodation of a power dril... | 06/26/1990 |
| 4896638 | Fabricating internal combustion engine cylinder heads with close tolerance internal surfaces A method for fabricating an internal combustion engine cylinder head, comprises the steps: (a) forming a cast cylinder head with a passage having implanted in the walls of such passage a valve stem guide sleeve insert and a valve seat insert, the inserts ... | 01/30/1990 |
| 4836720 | Drill guide A hand drill guide comprising an annular base and a plurality of telescopic leg assemblies distributed along the base. Each assembly has a hollow cylinder, fixed perpendicularly at one end to the base, and a rod slidably mounted in the cylinder, the rod e... | 06/06/1989 |
| 4813820 | Method and apparatus for in situ assemblage of a strain sensor in erected structural elements A method and apparatus for in situ drilling of a precise hole in an erected structural element and inserting in such hole in pressed-fit relationship a cylindrical strain gauge. A guide block is provided having a precision hole corresponding to the diamet... | 03/21/1989 |
| 4730958 | Overhead cambearing line boring tool A portable cambearing line boring tool for an internal combustion engine with an aluminum head or a cast iron block with aluminum caps and an overhead camshaft with non-replaceable bearings that are cast in as an integral part of the cylinder head which u... | 03/15/1988 |
| 4652188 | Centering tool A centering tool for use in a chuck or collet of a drill press or milling machine enables positioning of a round or cylindrical workpiece such that its axis is precisely positioned to intersect the axis of rotation of the machine. The tool enables the eff... | 03/24/1987 |
| 4601618 | Pilot hole locator and drill guide and method Methods and apparatus for locating and drilling pilot holes. Known systems are time-consuming and difficult to carry out and do not reliably result in straight and accurate pilot holes. The invention provides easy and accurate location and drilling and ac... | 07/22/1986 |
| 4593450 | Precision lock tooling A tooling plate for a circuit board drill wherein the locating apertures for the circuit board is located in the plate by the drill. A bushing cavity is provided in the tooling plate at the approximate desired position. An inner bushing having the locatin... | 06/10/1986 |
| 4579486 | Hole saw guide A hole saw guide positions a hole saw while forming a new hole either partially overlapping or surrounding an existing hole in a work piece. The hole saw guide includes a disc-shaped body having a pilot drill guide hole through the center sized to guide t... | 04/01/1986 |
| 4573834 | Piercer A piercer used for the manufacture of clothing and the like comprises a frame with upper and lower parallel disposed arms. A channel plate extends uprightly from the free end of the upper arm and includes an associated guide plate or guide rail extending ... | 03/04/1986 |
| 4566202 | Laser apparatus for effectively projecting the axis of rotation of a rotating tool holder A laser apparatus for projecting the axis of rotation of a rotating member is provided. The apparatus includes a lasing element mounted in a housing for projecting a high resolution laser beam. The housing also has a mounting stud extending therefrom subs... | 01/28/1986 |
| 4417376 | Adjustable cylinder head holder Apparatus for reworking the valve guides of a cylinder head is disclosed. The apparatus includes an adjustable cylinder head holder including a base, a pedestal and a head support subassembly permitting positioning of the head rotationally about its longi... | 11/29/1983 |
| 4414723 | Adjustable cylinder head holder Apparatus for reworking the valve guides of a cylinder head is disclosed. The apparatus includes an adjustable cylinder head holder including a base, a pedestal and a heat support subassembly permitting positioning of the head rotationally about its longi... | 11/15/1983 |
| 4365418 | Drill stand with marking element On a drill stand, a drilling member is movable between an inactive position spaced from the material to be drilled and an active position in contact with the material to be drilled. A marking element is mounted on the stand and is slidably movable between... | 12/28/1982 |
| 4270259 | Method and apparatus for rebuilding advance weights Method and apparatus for rebuilding advance weights of a distributor assembly. The apparatus includes a drilling fixture having a hole and a weight-engaging balance pin positioned to one side of the hole, and a stepped pin having a large diameter shank ac... | 06/02/1981 |
| 4127942 | Method and apparatus for reconditioning cylinder heads An apparatus and method for reconditioning cylinder heads and more particularly for permitting proper, quick, and easy alignment of the cylinder head relative to a machine for drilling and reaming valve guides for reconditioning the valve guides in the he... | 12/05/1978 |
