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| Number | Title | Issue Date |
| 7862280 | Saw tooth screw A saw tooth screw provides a screw thread divided into a first and a second thread sections. A plurality of slots, inclined with respect to a shank axial line, are disposed on each thread of the first thread section for dividing the thread into a plurality of thread... | 01/04/2011 |
| 7785055 | Thread forming screw The invention relates to a screw (1) having a threaded shank (2) and a screw tip (6). The threaded shank (2) is composed of a shank core (10) and a thread which extends helically over the shank core (10). Two flanks (15, ... | 08/31/2010 |
| 7717658 | Bolt assembly A bolt assembly has a bolt body which includes a threaded portion and a shank; a head; a ring; and a shear zone. The head is configured to transmit rotary motion to the threaded portion through the shank. The ring is disposed on the shank and has a ring thread and a... | 05/18/2010 |
| 7713013 | Supporting device A device for supporting an article on a structure. The support device includes an elongate body with a head at one end, a neck, a shoulder flange, and an elongate threaded shank with threads extending therefrom. The head and/or neck may be arranged to engage the art... | 05/11/2010 |
| 7704030 | Screw for use in nonmetal objects The present invention pertains to a screw for use in nonmetal objects comprising a plurality of cut-aiding portions formed by the longer and shorter cutting surfaces inclined toward opposite directions. Further, a cutting edge formed by the junction of any two adjac... | 04/27/2010 |
| 7682119 | Screw for fastening wooden materials A screw includes a shank portion including a tapered bottom section having a tip, a head on top of the shank portion, and first and second helical threads. The first helical thread extends helically around the shank portion in a first direction between the tip and t... | 03/23/2010 |
| 7658581 | Joining assembly including a plastic support member and a plastic threaded element A threaded element of plastic material for a joining assembly has a uniquely formed thread profile of a small profile angle between 30° and 50° and a rounded crest of a relatively large radius of curvature. The gap between the revolutions of the thread is of a vol... | 02/09/2010 |
| 7416374 | Fast make-up fatigue resistant rotary shouldered connection A thread form having improved strength and fatigue resistance. The root of the thread is cut on multiple cutting radii having displaced centers. At least two of the root surfaces are formed by cutting radii having lengths that are greater than the root truncation. T... | 08/26/2008 |
| 7351022 | Unified multi-part head for a staked fastener A unified head for a staked fastener wherein the unified head is made from a first member in combination with a supplemental member, and the two members have at least one shared fiber. In a staking operation that forms the unified head, the operation is conducted in... | 04/01/2008 |
| 7350438 | Connection rod for internal combustion engine An internal combustion engine connecting rod is designed with bolts having a minimum required strength. A strength safety factor Sfa is calculated based on an axial strength limit load FX of the bolt and the maximum load FB to be born by the bo... | 04/01/2008 |
| 7338243 | Thread-cutting screw A thread-cutting screw (1) serves for being screwed into the bore-hole wall (1a) of a bore-hole (1b). It comprises a substantially cylindrical core (2) of metal which has a central longitudinal axis (4), a thread (... | 03/04/2008 |
| 7334374 | Stucco sheathing fastener A fastener including a body having a predetermined axial length, wherein the body includes a screw head at one axial end of the body, a threaded portion at an opposite axial end of the body and an unthreaded shank portion extending between the screw head and the thr... | 02/26/2008 |
| 7329077 | Fastener apparatus for roofing and steel building construction A fastener apparatus includes a frusto-hemispherical head portion having a flat top surface, a curved outer surface, a base portion, and a peripheral edge, with the flat top surface bearing a tool fitting. A downwardly-depending lip portion extends from the head per... | 02/12/2008 |
| 7326014 | Interactive fit screw thread A threaded fastener includes a curved-line path thread provided in a helical pattern along a shank of the fastener. The curved-line path can be provided on either side of the standard straight-line path or on opposite sides of the straight-line path. The curved-line... | 02/05/2008 |
| 7300697 | Reinforcement array for high modulus reinforcement of composites A reinforced polymer matrix composite material with anti-anisotropy reinforcement array is disclosed having coupled fiber reinforcement structures. The coupled fiber reinforcement structures are formed of a plurality of bound or bonded fibers, which form multi-dimen... | 11/27/2007 |
| 7283370 | Anti-strip screw boss A support member includes a support panel and a retention element for use in mounting an associated component to the support panel. The retention element defines a bore for receiving an associated threaded fixing element which mounts the component to the support pan... | 10/16/2007 |
| 7281925 | Implant arrangement An implant is arranged with a thread which can be exposed to a jaw bone and which has a first extent in the longitudinal direction of the implant. Thread flanks are assigned second extents between the inner and outer peripheries of the thread. Along all or most of t... | 10/16/2007 |
| 7266874 | Method of installing a self-drilling anchor A method of installing a self drilling anchor for use in a friable material mounted on a member comprising an elongated body having an axis, an axial bore adapted to receive an elongated fastener, a flared end having torque transmitting surfaces therein, a proximal ... | 09/11/2007 |
| 7264300 | Fastening element for a spoiler wing of a motor vehicle For the fastening of an adjustable spoiler wing of a motor vehicle, a fastening element is provided which is fastened to the outer tube of an adjusting cylinder and consists of a receiving element with a fit-on sleeve fastened thereto, the fit-on sleeve having a sle... | 09/04/2007 |
| 7255523 | Dual threaded screw for composite materials An improved dual threaded fastener for composite materials having a head and a shaft. The head is affixed to one end of the shaft and the shaft includes a point at its other end. The shaft includes an upper threaded portion and an upper threaded portion. The diamete... | 08/14/2007 |
| 7249923 | Flexible fastener This invention relates generally to a flexible fastener for coupling members. In a preferred embodiment, the flexible fastener may be used to couple members that are non-parallel, non-aligned, or in specific instances when selective compliance in a member is desired... | 07/31/2007 |
| 7246979 | Multi-pitch screw, multi-pitch nut, feed screw device using the screw and nut, and method of producing the nut A flat portion 12a and a slope portion 12b are provided on a thread 12 of a multi-pitch screw 10 alternately. The flat portion and the slope portion are provided on the thread of a multi-pitch nut which fastens with this. Co... | 07/24/2007 |
| 7235290 | Prepreg, a composite and their uses A prepreg containing fibers and a curable matrix, the prepreg having a core and a surface part encasing the core, where the matrix of the core and of the surface part are made of the same material and where the proportion of the matrix to the fibers is higher in the... | 06/26/2007 |
| 7214020 | Looseness resisting screw and stud hole A looseness resisting screw formed with an external thread includes a first thread area having a substantially uniform outer diameter and a second thread area extended from the first thread area toward a leading end of the screw. The second thread area has a plurali... | 05/08/2007 |
| 7207248 | Threaded screw fastener characterized by high pull-out resistance, reduced installation torque, and unique head structure and drive socket implement or tool therefor A threaded screw fastener is provided with a head portion that has integrally incorporated therein dual drive structure whereby the single threaded screw fastener can be rotatably driven by alternative rotary drive socket implements or tools, such as, for example, h... | 04/24/2007 |
| 7190893 | Fluid heater with low porosity thermal mass A fluid heater apparatus and method of making same includes a low porosity material, thermally conductive mass. A heat source is disposed in the thermally conductive mass for imparting heat to the mass. Fluid in a flow path through the mass absorbs heat from the mas... | 03/13/2007 |
| 7163366 | Screw with two types of threads A screw includes a first thread on the shank and located close to the point of the shank, and a second thread which is connected to the first thread and extends toward the head of the screw. Each of the first and second threads includes an upper flank and a lower fl... | 01/16/2007 |
| 7159429 | Method and device for manufacturing bolt, screw rolling die used therefor, and multiple screw bolt A method and apparatus for manufacturing a bolt capable of mass-producing a multiple screw bolt such as a so-called double screw bolt at a low unit price, and a thread rolling die for use therein. The apparatus for manufacturing a bolt comprises a pair of thread rol... | 01/09/2007 |
| 7160073 | Tapping screw A tapping screw fastened to a subject member in which a thread portion formed in a shaft portion of the tapping screw is used to form a female screw thread in a prepared hole of the subject member. An angle of a thread ridge is approximately 30 degrees, a plurality ... | 01/09/2007 |
| 7156600 | Die for, method of making, and fastener with lobed primary thread lead and interposed dual auxiliary thread lead with improved substrate entry end portion A threaded fastener comprises a first, primary thread lead, and a pair of second, auxiliary thread leads alternatively interposed between successive threads of the first, primary thread lead, except within the vicinity of the tip portion of the fastener so as to def... | 01/02/2007 |
| 7153075 | Press fit fastener and method of producing it A press fit fastener (1) includes a shank (2), a head (3) and a press fit portion (4) being located at the shank (2). The head (3) is located at the first end of the shank (2). The press fit portion (4) include... | 12/26/2006 |
| 7108607 | Helical groove fasteners and methods for making same Helical groove fasteners and methods for producing the same are provided for use in systems requiring fluid passage through the fastener. In one embodiment, the fastener includes a shank, a head, a threaded portion, and at least one groove extending through at least... | 09/19/2006 |
| 7101133 | Thread-forming screw fastener The invention relates to a screw fastener comprising a threaded shank having a force application means for torque transmission and a screw fastener point. The threaded shank consists of a shank core and a self-tapping thread, and the thread is designed as a prominen... | 09/05/2006 |
| 7101134 | Fastener having multiple lobed thread A threaded fastener includes a lead having bosses separated from one another by bases along the thread crest. The lead-in and lead-out profiles of the bosses, and other features of the bosses and bases may differ from one another along the fastener shank. The lead-i... | 09/05/2006 |
| 7090453 | Screw A screw which can be more quickly screwed into a work piece and has better chip-exhausting effect. The screw has a rod body and higher thread and lower thread formed on the rod body. On a conic section of the screw, a cutting thread with another guide angle larger t... | 08/15/2006 |
| 7063491 | Reverse barb system for screws and nails The reverse barb system for screws and nails includes fasteners that are barbed to prevent backing out once driven into a workpiece or construction material, such as wood. A screw with barbed threads has several barbed thread sections. Each barbed thread section is ... | 06/20/2006 |
| 7044702 | Screw with a plurality of screwing angles and mold device for forming the same The screw with a plurality of helix angles comprises a first section having a first thread with a first helix angle, at least one third section having a third thread with a third helix angle; and a fifth section having a fifth thread with a fifth helix angle wherein... | 05/16/2006 |
| 7040850 | Fastener for use with frangible material A metal fastener for frangible material has a threaded shank, a head proximate one end of the shank and a tip at the opposite end. The fastener has a coarse pitch and relatively large ratio of major to minor diameters suited for securing the fastener into frangible ... | 05/09/2006 |
| 7021877 | Self-tapping screw The invention relates to a self-tapping screw, whose threads, in a rear area (facing the head), have a substantially cylindrical external diameter and, in a front area (facing away from the head), extend with an external diameter which decreases towards the end of t... | 04/04/2006 |
| 6994502 | Pole joint screw for a basketball goal system A pole joint screw may be used to connect a first section of a basketball support pole and a second section of a basketball support pole. The pole joint screw may include an elongated body including a first end and a second end, a head disposed on the first end of t... | 02/07/2006 |
