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| Number | Title | Issue Date |
| 7272994 | Bolt grasping device A grasping device comprises a grasping member springably connected to a handle member. When the grasping member is withdrawn from the handle member, plier arms on the grasping member open so that an object to be grasped may be positioned therebetween. When the grasp... | 09/25/2007 |
| 7249544 | Screw holding type screwdriver bit and combination thereof with screws A screw holding screwdriver bit capable of effectively preventing a come-out from occurring by improving the structure of the blade portions thereof, capable of being manufactured in a simple structure at a low cost, and capable of remarkably increasing a working ef... | 07/31/2007 |
| 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 |
| 7237464 | Fastening tool for screw threaded bolts Provided according to the invention is a fastening tool (10) for tightening/untightening screw threaded fasteners such as bolts or nuts (18). The bolts (18) comprise a head formed with a series of at least three cavities (18a) depl... | 07/03/2007 |
| 7226453 | Instrument for inserting, adjusting and removing pedicle screws and other orthopedic implants An instrument for inserting, adjusting and engaging an implant, such as a polyaxial screw of a spinal fixation system, includes at least one retratractable tab for engaging a corresponding recess on the implant and a shaft that moves relative to the retractable tab.... | 06/05/2007 |
| 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 |
| 7144271 | Sealed tamper resistant terminator A tamper-resistant coaxial terminator includes an inner body rotatably captivated within an outer shield. A deformable portion of the inner body extends within an annular recess formed in the outer shield. An optional RF port, containing a resistor, is press-fit wit... | 12/05/2006 |
| 7140281 | Elastic connection wedge wrench A tool, specifically described for a hex wrench, using a split head with the pieces joined by an elastic connector allowing for deformation of the exterior of the head shape to wedge into the hex socket. The split pieces of the head have an exterior profile matching... | 11/28/2006 |
| 7104168 | Slide stop device of a hexagonal spanner A slide stop device of a hexagonal spanner serves for preventing a rounded edged inner hexagonal screw to slide as the hexagonal spanner drives the inner hexagonal screw. The slide stop device comprises a spanner body; one end of the spanner body having a driving po... | 09/12/2006 |
| 7066062 | Torque-setting, tamper-resistant fastener and method and tool for use with same A fastener includes a round, blind hole or pocket in its head. Installation and removal of the fastener is accomplished with a tool containing an eccentric segment on the end of a shaft. When rotated within the pocket, the eccentric segment displaces laterally relat... | 06/27/2006 |
| 7059222 | Slide stop device of a hexagonal spanner A slide stop device of a hexagonal spanner serves for preventing a rounded edged inner hexagonal screw to slide as the hexagonal spanner drives the inner hexagonal screw. The slide stop device comprises a spanner body; one end of the spanner body having a driving po... | 06/13/2006 |
| 7040202 | Slide stop device of a hexagonal spanner A slide stop device of a hexagonal spanner comprises a spanner body; one end of the spanner body having a driving portion. The driving portion has at least one axial slots. Each slot is extended from a center of one end surface of the driving portion to an edge of t... | 05/09/2006 |
| 7036404 | Tool including bit and handle A handle is provided for use with a bit or extensive rod. The handle includes a socket. The socket includes a thin section, a thick section, an annular face between the thin and thick sections, an axial cavity and a radial aperture communicated with the axial cavity... | 05/02/2006 |
| 7024972 | Tool for removing and tightening screw-on drains Disclosed is a tool for both removing and tightening screw-on drains that is simple and easy to use, has a simple design and is easy to manufacture. The tool is capable of engaging an inner surface of a drain flange in a manner that is sufficient to transfer enough ... | 04/11/2006 |
| 6973860 | Split-tip screwdriver with protective sleeve The present invention relates to an improved split-tip screwdriver. The split-tip screwdriver of the present invention prevents the movable sleeve from detaching from the remainder of the screwdriver by incorporating a retention rim on both the sleeve and the handle... | 12/13/2005 |
| 6923814 | System and methods for cervical spinal fusion A system for performing spinal fusion between adjacent cervical vertebrae, including an implant and an introducer system, and related methods. ... | 08/02/2005 |
| 6904835 | Mechanical coupler Disclosed is a coupler that grips the internal surface of a torque receptor such as a pipe or driveshaft to be turned. When torque is applied to the coupler, one or more gripping surfaces are forced apart by a cam mechanism. The gripping surfaces tightly engage the ... | 06/14/2005 |
| 6904836 | Screw holding screwdriver adapter A screw holding screwdriver adapter includes first and second elongated mating elements held together by a mounting member. The mounting member engages the elongated mating elements in an opposed relationship so as to define a screwdriver shank engaging portion betw... | 06/14/2005 |
| 6851342 | Anti-ovaling mechanical coupler Disclosed is a coupler that grips the internal surface of a torque receptor such as a pipe or driveshaft to be turned. When torque is applied to the coupler, one or more gripping surfaces are forced apart by a cam mechanism. The gripping surfaces tightly engage the ... | 02/08/2005 |
| 6725749 | Tool including a tool bit and a handle A tool includes a tool bit and a handle for releasable engagement with the tool bit. The tool bit includes an insert formed thereon. The handle includes a socket formed thereon. The socket includes a cavity defined therein for receiving the insert and at least one h... | 04/27/2004 |
| 6675679 | Internal gripping pipe wrench Disclosed is a wrench that grips the internal surface of a pipe to be turned. When torque is applied to the wrench, one or more gripping surfaces are forced apart by a cam mechanism. The gripping surfaces tightly engage the internal surface of the pipe in... | 01/13/2004 |
| 6588305 | Notch-forming extraction tool for helical inserts A notch-forming extraction tool for helically coiled wire inserts according to the invention includes a mandrel with a second end having a tooth adapted to form and be received by a notch of the insert. A first end opposite the second end is received in a... | 07/08/2003 |
| 5988023 | Slotted pin engaging tool An apparatus for engaging a slotted pin comprising a cylindrical member defining a cylindrical axial pin bore and two tab slots spaced 180° apart, the slots for a portion of their length connecting through the member to the bore, engaging tabs pivotally ... | 11/23/1999 |
| 5927165 | Hex keys and other tools with non-slip feature The fastener-driving tool has an locking insert which expands or displaces to more securely lock the tool in the fastener. The tool has a distal end configured to engage a driving recess in a fastener, and has an annular recess adjacent the distal end, wi... | 07/27/1999 |
| 5814046 | Pedicular screw and posterior spinal instrumentation The instrumentation comprises for each lumbar vertebra two pedicular screws having two screw threads, one of the screw threads corresponding to the region of penetration of the screw in the pedicle, two rods having asperities respectively associated with ... | 09/29/1998 |
| 5480056 | Plunger for drum liner removal A plunger for attachment to a drum reseal cap, the plunger having opposed ends with a handle alone end, resilient fingers at the other end and a sliding cylinder for forcing the resilient fingers in an outward direction to engage the reseal cap.... | 01/02/1996 |
| 5456145 | Installation tool for tangless helically coiled insert An insertion tool for a helically coiled wire insert of the type used for tapped holes in parent material that is generally softer than a fastener being screwed into the tapped hole, whereby a mandrel having a threaded lead portion and a pivotal pawl inse... | 10/10/1995 |
| 5207131 | Oil filter removal tool An oil filter removal tool for removing an oil filter contained within the oil pan of an internal combustion engine is disclosed. The tool has a pair of outwardly engaging jaws, a rotatable central socket drive element, means for connecting the outwardly ... | 05/04/1993 |
| 5179877 | Tamper-resistant cable terminator system A tamper-resistant terminator includes a connector body rotatably encapsulated within a shield. A port in the shield receives a terminal of a cable transmission system therethrough for rotational engagement with a threaded bore within the connector body. ... | 01/19/1993 |
| 5129291 | Internal wrench-adapter for rotating an oil-filter plug A wrench-adapter for rotating a plug of a casing for an in-the-pan type of oil filter. The wrench-adapter adapter has a tubular main housing that is telescopingly received in the plug with a portion of the main housing projecting outwardly of the plug. A ... | 07/14/1992 |
| 4938108 | Theft-resistant fastener system A theft-resistant fastener system includes a rotatable wrench adapted to engage a head portion of a fastener and to rotate that fastener and head portion about a fastener axis. The wrench and fastener jointly have at least three ball-and-socket joints dis... | 07/03/1990 |
| 4890521 | Self-gripping power screw driver bit A power driven screw driver self-gripping composite bit in the form of a pair of mirror image halved elements united at a common oblique interface providing a square end driver for reception in a screw head formed with a combined socket that accepts both ... | 01/02/1990 |
| 4877020 | Apparatus for bone graft An instrument for inserting a bone graft, wherein the bone graft is of a substantially cylindrical configuration and is extremely threaded. The graft is clampingly held at one end of an elongated instrument which securely holds the graft and permits it to... | 10/31/1989 |
| 4779494 | Screwdriver having screw gripping feature A screw-gripping screwdriver includes a handle, a shaft composed of two blade members, a sleeve which is disposed coaxially about the blade members, and a tip. The blade members have inclined surfaces which cooperate with the sleeve so that, during moveme... | 10/25/1988 |
| 4753454 | Device for vehicle wheel camber adjustment A device is disclosed for the adjusting of wheels of a motor vehicle, particularly for the adjusting of a wheel camber. The wheels, via control arms and spring struts, are heald at the vehicle body, the wheel carrier, on the one side being flexibly connec... | 06/28/1988 |
| 4724608 | Extractor tool for bearings, bushings and the like A puller for spherical bushings comprises an inner puller body having a cylindrical outer surface so that it can be inserted into the bore of the bushing with a lip at one end for engaging behind the bushing. A wedge member actuated by an elongate bolt fo... | 02/16/1988 |
| 4553455 | Nut starter with special blades A starter for a nut, the starter having blades with outer edges possessing at least one innermost flat, at least one outer flat and a step connecting said flats.... | 11/19/1985 |
| 4553303 | Removal tool for tangless, helically coiled insert A removal tool for a tangless helically coiled wire insert of the type used for tapped holes in parent material that is generally softer than a fastener being screwed into the tapped hole, whereby a mandrel having a threaded lead portion and a pivotable p... | 11/19/1985 |
| 4553302 | Installation tool, tangless helically coiled insert An insertion tool for a helically coiled wire insert of the type used for tapped holes in parent material that is generally softer than a fastener being screwed into the tapped hole, whereby a mandrel having a threaded lead portion and a pivotal pawl inse... | 11/19/1985 |
| 4528737 | Adapter for power tool installation of tangless helically coiled insert A power-driven insertion tool for a helically coiled wire insert of the type used for tapped holes in parent material that is generally softer than a fastener being screwed into the tapped hole, whereby a mandrel having a threaded lead portion and a pivot... | 07/16/1985 |
