Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7325470 | Self-centering screw and retaining screw driver for use in surgery The present invention relates to an orthopedic screw and a corresponding screw driver wherein the screw has a torque driving head with a rounded side a spherical wall for multiaxial use, a self starting, self tapping insertion tip and a threaded portion including a ... | 02/05/2008 |
| 7322986 | Bioabsorbable interference screw for endosteal fixation of ligaments A bioabsorbable interference screw having a tapered profile which extends along substantially the entire length of the screw. The tapered profile makes the screw easy to insert while providing superior fixation resulting from a progressively increasing diameter. Upo... | 01/29/2008 |
| 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 |
| 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 |
| 7185569 | Multipurpose folding tool with tool bit holder and blade lock A folding multipurpose hand tool including a pivoted latch that engages side walls of a handle and a base of a folding tool member to hold the folding tool member in a selection position. A separate safety interlock latch keeps a folding blade stowed in a handle whe... | 03/06/2007 |
| 7174615 | Screw holder A screw holder for securing a screw having a longitudinal shank and a central axis, a spindle adjoining the front end of the shank and having a bore therethrough flush with a groove, configured and dimensioned for receiving an elastic component to secure a screw int... | 02/13/2007 |
| 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 |
| 7137322 | Screw holder A screw holder for securing a screw having a longitudinal shank and a central axis, a spindle adjoining the front end of the shank and having a bore therethrough flush with a groove, configured and dimensioned for receiving an elastic component to secure a screw int... | 11/21/2006 |
| 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 |
| 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 |
| 7017457 | Screwdriver with screw holder A tool is described comprising a shaft having a first longitudinal axis and a front segment, wherein the front segment has a cross-sectional area, wherein the front segment is configured to engage at least a portion of a screw head, and wherein the front segment has... | 03/28/2006 |
| 6971293 | Screwdriver with a screw holder A screwdriver is disclosed having a shaft with a screw holder. The screw holder is receivable in a recess in a screw head, and has a spring element which can be elastically deformed transverse to the longitudinal axis of the shaft. A portion of the spring element ma... | 12/06/2005 |
| 6935824 | Tamper resistant screw An improved tamper resistant screw and driver tool. In one embodiment, the present invention provides a tamper resistant screw and screw driver tool. The screw head features a unique tamper resistant design. The screw cannot be turned successfully with standard scre... | 08/30/2005 |
| 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 |
| 6644149 | Extraction tool for tanged helically coiled inserts with improved removability An apparatus for removing helical thread inserts having a removal notch formed along a female thread surface. The apparatus can selectively extract helical thread inserts by selectively engaging the removal notch and actuating the end of the insert radial... | 11/11/2003 |
| 6378405 | Tool for anti-tampering devices The present invention is a tool (40) for use with anti-tampering devices. The tool resists jamming, simplifies use and has less complicated parts to produce. The tool includes a handle, shaft, spring, activation plunger and ball. The shaft extends from th... | 04/30/2002 |
| 6374710 | Universal cavity pit wrench A universal cavity pit wrench having a sleeve with an open end, a mounting panel secured within the sleeve, a plurality of pillar posts that are longitudinally compressible against the mounting panel, and the pillar posts extending out of the open end of ... | 04/23/2002 |
| 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 |
| 5806385 | Universal socket device A universal socket is described which is suitable for use upon a myriad of fastening means whereupon at least a plurality of pins are capable of longitudinal axial movement in concert and in conformity with contact with a workpiece. This result is achieve... | 09/15/1998 |
| 5490438 | Tool for removing broken light bulbs A tool for removing a broken incandescent light bulb has a handle with a head projecting therefrom and preferably a resilient gripping member which snugly enshrouds the head, to frictionally engage an inner wall of the base of a broken light bulb such tha... | 02/13/1996 |
| 5460064 | Universal socket tool A universal socket tool includes a housing having a square internal chamber which is open at a lower end thereof. An array of square pins is suspended in sliding relation in the chamber with the lower ends of the pins arranged for engagement with a plural... | 10/24/1995 |
| 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 |
| 5279187 | Expandable jaw broken bolt extractor An extractor for removing a broken bolt stud having a pre-drilled bore from a threaded bore including a cylindrical body having a drive head on one end and expander on the opposite end. A collet is movably attached to the cylindrical body by threads permi... | 01/18/1994 |
| 5224401 | Vicing tool for internally gripping hollow bodies, in particular, those of tubular nature A vicing tool for internally gripping hollow bodies, in particular, those of a tubular nature, which comprises a body (1) created in two halves (1a, 1b) having two mating faces (2a, 2b) and angularly displaceable with respect to one another about a rotati... | 07/06/1993 |
| 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 |
| 5165311 | Pneumatic nut installation tool A pneumatic nut installation tool has a plunger assembly which advances from a retracted position near the rear of the tool through a nut pickup station to an extended position extending from the front of the tool. A nut shuttle delivers a nut in front of... | 11/24/1992 |
| 5025688 | Expandable drive tool tip for screw retention A fastener drive tool for applying a rotational torque to a threaded fastener for driving the fastener into or out of a workpiece. The drive tool has an elongated shaft portion with a free end which is selectively controllably engageable with a recess for... | 06/25/1991 |
| 4924736 | Gripping screw drive bit A gripping screw drive bit for use with conventional drive sockets which utilize non-magnetic means for gripping and retaining Robertson, TORX, and hexagonal screws and bolts. The gripping bit comprises two mating members. The gripping action is provided ... | 05/15/1990 |
| 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 |
| 4838131 | Nut starter In one embodiment, there is provided an axial nut starter having a nut engaging member which can be used with a wide range of nut sizes. The nut engaging member is in the form of a stepped series of stacked, coaxially aligned cylinders. The base, or the l... | 06/13/1989 |
| 4703903 | Cassette tape winding device A cassette tape winding device 10 comprising: a scored, tapered conical portion (12); a generally cylindrical intermediate shaft portion (13), and a toothed driving portion (14) having a plurality of elongated driving teeth (16) spaced from one another an... | 11/03/1987 |
| 4659004 | Device for attaching modular electronic components to or removing them from an insulative device A device is disclosed for attaching to or removing modular electronic components from a substrate which is adjustably positioned beneath a heater means delivering a flow of uniformly heated air. The heated air is directed to the sides of the component to ... | 04/21/1987 |
| 4442737 | Thread protector wrench Removal of a screw-on type of thread protector from a pipe is achieved by this invention with uniformly applied pressure about the entire circumferential surface of the thread protector. Thus an inflatable type grasping urethane boot of a wrench mechanism... | 04/17/1984 |
| 4164967 | Screwdriver A screwdriver for screws having two spaced head recesses. The screwdriver comprises tang with two ends; a handle attached to a first end of the tang; two spaced driving prongs attached at a second end of the tang for fitting into the recesses of a screw; ... | 08/21/1979 |
| 4078593 | Slide mechanism for expandable bit screw holding screwdriver An expandable bit screw holding screwdriver comprising: an elongated shank having a handle end and a blade end; and, a slide coaxially mounted on the shank, is disclosed. The blade end is formed by the tips of a pair of shank elements movable between a po... | 03/14/1978 |
| 4060114 | Tightening device for threaded screw part A tightening device for threaded screw part having an engaging part to be engaged with the threaded screw part to be tightened and a main body continuous with the engaging part, wherein a groove is formed on at least one surface portion of the engaging pa... | 11/29/1977 |
| 4060113 | Tightening device for threaded screw part A tightening device for threaded screw part having an engaging part to be engaged with the threaded screw part to be tightened and a main body continuous with the engaging part, wherein a groove is formed on at least one surface portion of the engaging pa... | 11/29/1977 |
