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| Number | Title | Issue Date |
| 7971508 | Device to extract broken fasteners embedded in a workpiece A device to extract a fastener from a workpiece. The device includes a shaft having first and second end portions and, a cutting end tool adapted to engage and bore into the fastener as the shaft is rotated, a drill bit portion proximal to the cutting end tool and a... | 07/05/2011 |
| 7814814 | Tool kit for removal of broken spark plugs A kit for removal of a broken spark plug from a cylinder head includes first and second tools. The first tool is designed to position a broken porcelain element into the spark plug tip so that the second tool may be utilized to engage the tip by threading into the t... | 10/19/2010 |
| 7814815 | Tool head structure A tool head structure is used to screw a regular screw or a damaged screw and comprises two cutting portions located at the center of the front portion thereof. Between the two cutting portions is formed a ridge line, and behind the two cutting portions are formed t... | 10/19/2010 |
| 7594455 | Fastener removing tool A fastener removing tool is provided. The fastener removing tool includes an extractor portion having an inside surface adapted to grip a fastener. The extractor portion further defines an outside surface with a cutting edge is adapted to cut a bore when the tool gr... | 09/29/2009 |
| 7340983 | Spanner with prevention of disengagement of fasteners A spanner comprises a box end that has an inner periphery consisting of a number of wall faces to define a first polygonal receiving space. Each wall face includes a groove defined therein. The grooves of the wall faces together define a second polygonal receiving s... | 03/11/2008 |
| 7340814 | Method of installing spiral threaded inserts and installation tool In a method of installing spiral threaded inserts (38), in which method a first threaded insert (38) is inserted into an installation tool (20) and is screwed into a tapped hole by the installation tool (20), safe use is achieved even at ... | 03/11/2008 |
| 7331262 | Drive bit holder and method of manufacturing A bit holder is provided which includes a body having a cavity formed with an upper portion and a lower portion, separated by a ridge-like protuberance which has a cross sectional profile smaller than that of the upper portion and the lower portion. The ridge-like p... | 02/19/2008 |
| 7328903 | Chuck A chuck has an attachment device for attaching the chuck to a machine spindle and a collet with clamping jaws defining an insertion opening at an end of the chuck opposite the attachment device. A sliding sleeve surrounds the clamping jaws and is axially moveable in... | 02/12/2008 |
| 7325811 | Chuck A chuck (2) for a hand-held power tool (4), which is connected with a motor-driven spindle (6) of the power tool for joint rotation therewith, includes a locking device for securing a shaft section of an exchangeable working tool and having a ci... | 02/05/2008 |
| 7318691 | Tool apparatus for milling machine The present invention provides an automated-torque controlled tool for attachment to a milling machine. The tool comprises an elongated hollow housing defined by a neck section, a middle section, and a bottom section. The neck section is adapted to engage a spindle ... | 01/15/2008 |
| 7290467 | Socket wrench apparatus A socket-wrench socket is provided having a plurality of longitudinally extending members therein mounted within wall circumferential slots of the workpiece-receiving opening of the socket and secured in place by a flexible web. These members have flat surfaces for ... | 11/06/2007 |
| 7278640 | Quick-connect chuck mechanism A chuck is provided for retaining the shank of a tool bit or accessory, having a fixed diameter, inserted in a central channel at a distal end of the chuck. At least one torsion spring is mounted axially within a housing and has an inner dimension and shape comparab... | 10/09/2007 |
| 7278340 | Apparatus for removing and installing a tie rod An apparatus 10 for attaching or detaching a housing 45 for attaching a steering tie rod 43 to a steering rack 40 is disclosed. The apparatus 10 comprises at least one locating member 14, 15, an opening 16 in the loca... | 10/09/2007 |
| 7272886 | Bearing press support adaptor A support adaptor assembly for a bearing press comprising a rectangular shaped header plate (1), a pair of adjustable support rods (4) each with an adaptor (9) on one end for providing a means of supporting an object (50) to be worked on ... | 09/25/2007 |
| 7249540 | Connector adapter An adapter for installing a connector to a terminal post, wherein the connector is attached to a cable, is presented. In an embodiment, the adapter is comprised of an elongated collet member having a longitudinal axis comprised of a first collet member end, a second... | 07/31/2007 |
| 7247815 | Contact tip installation tool for a welding device A method and apparatus for manipulating a contact tip of a welding device includes a member, e.g., a clutch bearing or other device, that securely grasps the contact tip and minimizes damage thereto. The method and apparatus can be used to install or remove a contac... | 07/24/2007 |
| 7246540 | Nut and bolt holder and starter Three congruent prongs (16A, 16B, 16C) mounted on a shaft tube (12), converges simultaneously when an operating sleeve (14) moves forward. This action, along with their notches and shape provides a firm grip for holding and startin... | 07/24/2007 |
| 7240588 | Method of making a tool for extracting a broken screw The method of making a tool for removal of broken screws from a base material, including the material of the bone of a medical patient. One end of the tool has an open bore with interior, left-hand tapered screw threads formed thereon by compressing the tool to form... | 07/10/2007 |
| 7237984 | Hole-cutting saw The invention relates to a pilot guide and hole-cutting saw system for cutting deep holes through an indeterminate depth of material while eliminating the problem of drift and wobble associated with the use of conventional hole saws. The system comprises a hole saw ... | 07/03/2007 |
| 7225875 | Multi-layered wellbore junction A multi-layered wellbore junction. In a described embodiment, a method of forming an expanded chamber in a subterranean well includes the steps of: positioning multiple chamber sidewall layers in the well; and expanding the layers in the well to form the expanded ch... | 06/05/2007 |
| 7219582 | Security nut and tool associated therewith A tool for tightening and loosening a security nut and the security nut associated with the aforementioned tool that allow easy tightening of the security nut, makes it difficult to remove the security nut when using ordinary tools, and makes it easy to remove the s... | 05/22/2007 |
| 7216873 | Drill chuck A drill chuck has a chuck body centered on and axis, and a tightening element surrounding the body and rotatable thereon about the axis. The tightening element has a front sleeve formed with jaw-holding guides and a rear sleeve releasably coupled with the front slee... | 05/15/2007 |
| 7207247 | Hammer head wrench An L-shaped wrench with a handle and a shank attached to a hammer head. The hammer head may be hexahedral with the handle and shank attached to adjacent flats with opposing flats forming impact surfaces for applying an axial force along the handle or shank with an i... | 04/24/2007 |
| 7194935 | Hexagonal driving tool with pawl piece A hexagonal driving tool includes a socket having a reception hole and the socket is connected with a hand tool. A hexagonal driving rod has a first end inserted in the reception hole and a groove is defined longitudinally in the hexagonal driving rod. A recess is d... | 03/27/2007 |
| 7185563 | Impact driver and fastener removal device A fastener impact driver device includes a fastener engagement member having a plurality of projections disposed about a lower portion that engages a corresponding peripheral portion of a fastener. The device further includes a positioning member having an upper por... | 03/06/2007 |
| 7171871 | Damaged bolt and screw removing devices A bit for removing a broken fastener comprises a tip from which extend two or more notches separated by scraping surfaces formed from two-sided frusto-conically-shaped regions. The scraping surfaces are bounded on one side by a cutting edge and on the other side by ... | 02/06/2007 |
| 7156849 | Rod reduction nut and driver tool A rod reduction device is provided having a reduction nut adapted to mate to the rod-receiving portion of a spinal implant, and a driver tool that is effective to engage the reduction nut such that rotation of the driver tool rotates the reduction nut to reduce a ro... | 01/02/2007 |
| 7152509 | Fastener extractor A fastener extractor and a method of extracting a fastener are provided. The fastener extractor includes a shaft, an engagement end at a distal end of the shaft and an attachment end at a proximal end of the shaft. The engagement end includes a plurality of helical ... | 12/26/2006 |
| 7152508 | Ratchet extraction wrench A combination ratchet wrench having a standard open-type or box-type wrench at one end thereof and a ratcheting extraction box at the other end thereof. The ratchet extraction wrench box is connected by a ratcheting mechanism to the wrench that allows rotation of th... | 12/26/2006 |
| 7146957 | Internal combustion engine An internal combustion engine, in particular a stationary gas engine, comprising at least one spark plug connector plug device (2) which can be fixed to the internal combustion engine, wherein the spark plug connector plug device (2) and the fixing the... | 12/12/2006 |
| 7140087 | Methods for extracting fasteners from a host material Apparatus and methods for extraction of nails, screws and other such fasteners from wood or other host materials are disclosed. One embodiment of the apparatus includes a shank adapted for application at a rotational drive source, a two-part engaging member at one e... | 11/28/2006 |
| 7095317 | Brake early warning system and method of use A brake early warning system for a vehicle is disclosed. The vehicle has (1) a steering column assembly (500) having a plurality of components, and (2) a vehicle broadcast system, which includes brake lights, a horn, and headlights. The brake early warning sy... | 08/22/2006 |
| 7090680 | Method for removing orthopaedic hardware A method for gaining access to and removing mechanical fasteners such as pedicle screws. A small arthroscopic incision is made over the location of the fastener. A guide wire is then placed into the incision and attached to the fastener. A series of progressively en... | 08/15/2006 |
| 7069824 | Leverage handle A leverage handle tool includes a handle and a seat block. In use, a slot in the seat block is located upon a handle such as a vice handle, and the tool is pulled toward the handle end. As the tool is pulled toward the handle end the slot grips the handle due to the... | 07/04/2006 |
| 7043811 | Method of removing studs In one embodiment of the invention, a method of removing a key ring stud assembly comprising a key ring portion and a stud, from a threaded aperture of a gas turbine engine component is disclosed. The method comprises forming a tack weld on the key ring portion of t... | 05/16/2006 |
| 7021876 | Simplified installation captive panel fastener A simplified captive panel fastener including a head, shank, a threaded outer end, and a centrally threaded opening at the outer end. Longitudinal slots extend along the outer end of the fastener to receive a retention washer with inwardly extending prongs. The meth... | 04/04/2006 |
| 7017678 | Threaded stud insertion tool The present invention is directed to a tool assembly for improving the insertion of threaded studs into confined spaces. The tool assembly includes a shaft having a bearing surface and defining an opening that is spaced apart from the bearing surface. The tool assem... | 03/28/2006 |
| 7007573 | Impact driver and fastener removal device A fastener impact driver device 10 includes a fastener engagement member 12 having a plurality of projections 14 disposed about a lower portion 16 that engages a corresponding peripheral portion 18 of a fastener 20. The devi... | 03/07/2006 |
| 7004668 | Connector for flex shaft for string trimmer An improved connector for flex shafts for a string trimmer has an input area and a drive area, where the input area of the connector has a modified diamond shape with sloping sides. This diamond shape allows for easy and reliable connection of the driven working end... | 02/28/2006 |
| 7000501 | Bit for removing damaged screws The present invention relates to a bit for removing damaged screws, the bit of the present invention is able to reach and engage the deep portion of the slot of the damaged screws, while the conventional bit is unable to do so, so as to remove the damaged screw. The... | 02/21/2006 |
