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| Application No. | Application Title | Issue Date |
| 20120103147 | COUPLING STRUCTURE BETWEEN SCREW HEAD AND TIGHTENING TOOL A coupling structure between a screw head and a tightening tool includes a recess (3) with a curved concave surface on the free base of the head (1) of the screw (2) and a protuberance (6) with a curved convex surface finishing the end of the... | 05/03/2012 |
| 20110283842 | Screwdriver bit structure A screwdriver bit structure sequentially comprises a connection section, a neck reducing section and a driving section. A plurality of arc grooves is circularly disposed to a front of the driving section to form an operating end capable of embedding with a locking membe... | 11/24/2011 |
| 20110203423 | HIGH STRENGTH FASTENER SYSTEM A fastener system is constructed wherein the installation and removal drive surfaces intersect an enlarged core diameter in a transitional surface that extends between the installation and removal surfaces of adjacent wings. The transitional surface has a concave form t... | 08/25/2011 |
| 20110192258 | RATCHETING TOOL A hand tool includes a handle, a first shank portion, a second shank portion, a hinge, a fitting and a ratchet. The first shank portion is connected to the handle. The hinge pivotally connects the second shank portion to the first shank portion. The ratchet connects the... | 08/11/2011 |
| 20110079115 | HANDLED RATCHETING TOOL WITH A FLIP OUT HANDLE A handled ratcheting tool is able to be used in a standard, L handle or T handle orientation. The handled ratcheting tool includes a handle, a stem, a ratcheting mechanism and multiple tools. Multiple tools are coupled to the ratcheting mechanism which are able to form ... | 04/07/2011 |
| 20110079119 | Screwdriver A screwdriver includes a shank and a head formed at an end of the shank. The shank is made with a diameter. The head is formed with blades. Each of the blades includes an edge. The distance between the edges of any two opposite ones of the blades is larger than the diam... | 04/07/2011 |
| 20110048181 | SCREW HEAD RECESS STRUCTURE AND ITS DRIVING TOOL A screw head recess structure and its driving tool that maximizes torque are provided, applicable to any kinds of rotational fasteners, such as screws or bolts. A recess has an irregular shape formed by a plurality of lobular grooves arranged around the center point of ... | 03/03/2011 |
| 20100288086 | Screwdriver Head An improved screwdriver head structure having a blade portion and a connecting portion, characterized in that: the blade portion is located on one end of the screwdriver head and has two or more engaging surfaces, wherein each of the engaging surfaces is regularly dispo... | 11/18/2010 |
| 20100269644 | SCREW HEAD AND TOOL FOR USE THEREWITH Disclosed is a screw head having a slot (2) in the upper surface of the screw head, an upper peripheral wall (9) of hexalobular planform extending down into the screw head, the upper peripheral wall (9) being parallel or near parallel to the axis of... | 10/28/2010 |
| 20100269264 | Bit structure for powered tools A bit structure for powered tools includes a shank action end at one end of a bit and a tool gripping section at another end. The shank action end has a conical directing portion formed by extending rearwards from a front edge of the shank action end. The directing port... | 10/28/2010 |
| 20100143072 | Fastener and Driving Tool An improved fastener (10) comprises of a threaded shank (11), and a head (12) having a tool engaging recess (13) formed by a plurality of grooves (16) comprising an inner portion located approximately within circumference of shank (... | 06/10/2010 |
| 20100129176 | SCREW HEAD RECESS DRIVE AND CORRESPONDING DRIVER TOOL AND RECESS PUNCH A fastener with a recess head wherein the drive head has four lobular recess channels. Each channel comprises a first wall, a second wall, a bottom surface and a recess sidewall. The first and second walls have portions opposing each other and a constant radius of curva... | 05/27/2010 |
| 20100111641 | SLOTTED SCREW A slotted screw has slot surfaces (9) on the screw head, wherein the slot surfaces are vertical or approximately vertical and are arranged parallel to one another or approximately parallel to one another. The slotted screw, furthermore, has slot seating surfaces ... | 05/06/2010 |
| 20100104397 | SCREW AND DRIVER BIT Provided are a screw (11) which can significantly reduce the cam-out if a dedicated driver bit is (14) used, and which also allows the use of a driver (6) bit for a standard cross recess and can reduce the cam-out to some extent, and a dedicated dri... | 04/29/2010 |
| 20100037737 | COMBINATION DRIVING TOOL FOR PHILLIPS AND ROBERTSON FASTENERS Embodiments of a driving tool are disclosed that comprise a shank portion, and a working portion, wherein the working portion is configured to drive either a Phillips head fastener or a Robertson head fastener.... | 02/18/2010 |
| 20090282955 | Driver Bit for Easy Attachment and Detachment with Driver Tool A driver bit comprises has a body including a bit shank formed on an end thereof and a driving end formed on another end thereof opposite to the bit shank. The driving end is adapted for operation with a fastener. A bit flange is combined with the body between the bit s... | 11/19/2009 |
| 20090260489 | DRIVE SYSTEM An article for use in a torque transmitting system which has a drive surface configuration having side and end surfaces is disclosed. The end surface tapers upwardly and outwardly from a lowermost point provided along a longitudinal axis to the side surface. The end sur... | 10/22/2009 |
| 20090145270 | Torque reducing and stabilizing screwdrivers and slotted threaded fasteners and related methods Novel screwdrivers used in combination with novel threaded fasteners are disclosed, both of which comprise male and female stabilizing segments which contiguously match male and female torque-applying segments which contiguously match.... | 06/11/2009 |
| 20090104002 | High strength fastener system A fastener system is constructed wherein the installation and removal drive surfaces intersect an enlarged core diameter in a transitional surface that extends between the installation and removal surfaces of adjacent wings. The transitional surface has a concave form t... | 04/23/2009 |
| 20090074536 | SPIRAL DRIVE FASTENER WITH FRICTION ENGAGEABLE SURFACE Interference surfaces are constructed on inner transition surfaces between wings of a fastener having a spiral recess. A portion of the transition surface is tapered to provide the interference. A standard driver for a spiral recess will engage the interference surface ... | 03/19/2009 |
| 20090056511 | 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 two c... | 03/05/2009 |
| 20080163434 | Compact skateboard tool A multipurpose skateboard tool comprising two separable substantially flat elongated members and a separable chain. The first substantially flat elongated member comprises a socket within one end, a wrench within the opposite end, and a keyway and at least one through h... | 07/10/2008 |
| 20080092699 | Wallboard screw with bi-tapered socket for receiving a bi-tapered screw driver tip A screw driver (40) having a bi-tapered driver tip fits into a bi-tapered screw driver tip receiving socket in a screw (42). The outer taper on the driver tip and the outer taper in the driver tip receiving socket in the screw are complementary to each oth... | 04/24/2008 |
| 20080072717 | Drywall screwdriver bit A screwdriver bit has a shank with a polygonal portion and two ends. A tip projects from each of the ends. The tip has a length substantially equal to a depth of a slot of a desired fastener head. The shaft ends nest on the fastener head upon insertion of the tip into t... | 03/27/2008 |
| 20080034930 | Non slip screw A non-slip screw of the type having a threaded shank and an embedded slotted head, including a locking surface defined in the screw head by a central transverse slot which extends into the top of the head for engagement with the driver blade tip. The locking surface inc... | 02/14/2008 |
| 20070245863 | Screw head and tool for use therewith The invention provides a screw head having a hexalobular slot (2) in the upper surface of the screw head, an upper peripheral wall (9) of hexalobular planform extending down into the screw head, the upper peripheral wall (9) being parallel or near p... | 10/25/2007 |
| 20070214920 | SPIRAL DRIVE FASTENER WITH ENGAGEMENT RAMP The fastener of this application is designed to facilitate the insertion of rotating power driven tools into the fastener recess. The recess of this fastener generally uses spirally configured driving surfaces and is formed in a counterbore in the upper surface of the f... | 09/20/2007 |
| 20070193419 | Strip resistant screw head and screwdriver tip in combination A screw head and screwdriver for use in combination are provided to reduce the occurrence of stripping a screw head during tightening or removing the screw. The head slot employs slot walls that indent in some portion of the wall, the indent portion forming a ledge unde... | 08/23/2007 |
| 20070180958 | Multi-function screwdriver A screwdriver has an elongate handle and an elongate shank arranged along an axis of the handle and has one end embedded within the handle and another end provided with a driver tip configured for engaging and driving a fastener by rotating a fastener about its axis, su... | 08/09/2007 |
| 20070157773 | Compound Screwdriver Head A compound screwdriver head, which comprises a first working portion and a second working portion of the same size, the first, second working portion of the bigger size is used for screwing and unscrewing a bolt of bigger, smaller size respectively, so that different si... | 07/12/2007 |
| 20070140811 | High strength screw head and driver bit A screw and corresponding driver bit with a rectangular slot formed in the head of the screw. The rectangular slot leaves more head material on the surface of the screw head compared to a conventional slotted screw which divides the surface into two sections. The rectan... | 06/21/2007 |
| 20070101835 | Combination of screw with stabilized strength and screwdriver bit, and header punch for manufacturing the screw with stabilized strength A screw having stabilized strength, combination with a driver bit that best fits the screw, and a header punch for producing the screw. The screw having stabilized strength has letter Y-shaped bit-fitting grooves formed in the head portion of the screw. Forming the groo... | 05/10/2007 |
| 20070101834 | 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) deployed... | 05/10/2007 |
| 20070028728 | Screw-retaining screwdriver A screwdriver having a retention mechanism for temporarily holding a screw in place on it tip while the screw is being positioned, rotated or removed. More particularly, a screwdriver with a cruciform head used in the installation and removal of bone screws during maxil... | 02/08/2007 |
| 20060266168 | Combination driver and combination fastener A driver has a tip that enables it to engage each one of a conventional hexagonal-head fastener and a conventional lobed-head fastener. The tip includes alternating flutes and crests. The crests are substantially flat to engage straight walls of a hexagonal-head. The fl... | 11/30/2006 |
| 20060236824 | SCREW AND DRIVER THEREFOR A screw (10) has a threaded shank (12) and a head (14). The head has a recess (18) that comprises three lobes (18a,b,c). Each lobe is separated by a curved drive flange (20a,b,c,). A driver (100) has a drive... | 10/26/2006 |
| 20060225541 | Screw driver The present invention generally relates to a screw driver bit, and more particularly to the improvement of a drive bit of a screw driver bit for matching with a screw. A drive recess of the screw head includes four symmetrical arc-shaped grooves and a square groove form... | 10/12/2006 |
| 20060112796 | Screwdriver with teethed head A screwdriver with teethed head portion comprises a cruciform head including four sheets which are arranged as a cruciform shape. Two sides of each sheet have respective wavelike teeth portions for increasing a contact area between the screwdriver and a screwed object. ... | 06/01/2006 |
| 20060112797 | Universal screw driver blade for recessed cross-slot head screws In a universal cross-slot head screwdriver blade for use with cross-slot head screws of different size ranges the screwdriver has a cross-slot blade with cross ribs which form at the front of the screw driver blade a narrow tip corresponding to the configuration of a sm... | 06/01/2006 |
| 20060065084 | Fastener having recess useable with multiple drivers and method of manufacture A fastener is described having a head formed with a recess which accommodates a square head driver, symmetrical drivers, such as PHILLIPS™ style drivers, asymmetrical style cross head drivers, such as POZIDRIV® style drivers, and combination square and cross drivers ... | 03/30/2006 |
