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| Number | Title | Issue Date |
| 7419344 | Self-attaching nut A self-attaching nut having a central pilot projecting from an end face of the body portion, an annular groove surrounding the pilot and an annular panel support face surrounding the groove, wherein the outer side wall includes a plurality of circumferentially space... | 09/02/2008 |
| 7357614 | Functional element for attaching to a sheet metal part composite component produced from said element and method for attaching the functional element to a sheet metal part The invention relates to a functional element for attaching to a sheet metal part, such as for example a nut element or a bolt element comprising a body section or head section, which has a requisite cylindrical part on one axial end and runs into a cylindrical rive... | 04/15/2008 |
| 7334976 | Countersunk screw The invention relates to a countersunk screw having a threaded shank and a countersunk head, which latter has a conical surface tapering at a countersinking angle in the direction of the threaded shank. The conical surface has a plurality of ribbed protrusions distr... | 02/26/2008 |
| 7334975 | Fastener assembly The present invention relates to a stud including, a head having a torque transferring structure and an underside wherein the underside includes a plurality of protrusions; a shaft having a trilobular shape comprising a plurality of shaft elements having at least on... | 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 |
| 7296382 | Injection molded thermoplastic insert A plastic insert for concrete structures includes a barrel for receiving a threaded fastener. According to one embodiment, the insert includes a housing at a distal end receiving an internally threaded member for engaging the threaded fastener. The insert includes b... | 11/20/2007 |
| 7261506 | Washer and threaded fastener assembly incorporating same A washer for a threaded fastener assembly and a threaded fastener assembly incorporating such a washer. The washer includes a body having a central axis including two opposed sides an outer periphery and an inner periphery defining a central aperture extending betwe... | 08/28/2007 |
| 7258517 | Self-punching fastener with radially positioned projections and an annular depression A self-punching fastener (10), which in a way safe against rotation and pressing out can be pressed into a metal sheet member (40) having an annular body, the side of which facing the metal sheet is having radially disposed projections (15, 25),... | 08/21/2007 |
| 7226259 | Locking fastener assembly A locking fastener assembly comprising a nut and a washer. The nut and washer each have opposed load bearing surfaces which include a series of annularly extending, slightly inclined faces forming shallow undulations around each surface. The load bearing surface on ... | 06/05/2007 |
| 7179038 | Fastener for application to a threaded stud A fastener includes a sleeve-like clamping element having a cavity extending in the direction of its longitudinal axis which accommodates a threaded stud. At least one clamping region is deformable into the cavity forming at least one clamping ramp inclined toward t... | 02/20/2007 |
| 7165710 | Method and apparatus for fastening steel framing with a spin weld pin A spin weld pin according the principles of the present invention can be rotated at a high speed relative to two or more framing members by a torque transmitting device. An axial force is applied to the pin as it rotates so that the pin contacts the framing members ... | 01/23/2007 |
| 7156598 | Waffle stud for insert molded plastic members A fastener is configured for use in the manufacture of molded plastic components that will be subsequently attached to other components by the fastener. The low profile head portion of the fastener has a rounded contoured and convoluted top surface to facilitate the... | 01/02/2007 |
| 7112025 | Self-attaching nut A self-attaching nut including a central pilot portion, a flange portion surrounding the pilot portion having an end face including an annular groove in the end face having inclined inner and outer side walls and a plurality of circumferentially spaced radial ribs i... | 09/26/2006 |
| 7112024 | Self-attaching nut A self-attaching nut having a central pilot projecting from an end face of the body portion, an annular groove surrounding the pilot and an annular panel support face surrounding the groove, wherein the outer side wall includes a plurality of circumferentially space... | 09/26/2006 |
| 7066700 | Self-attaching fastener and method of attachment A self-attaching fastener including a central pilot, an annular flange surrounding the pilot including an annular groove having bottom, inner and outer side walls, wherein the bottom wall includes a first plurality of spaced anti-rotation elements each having a radi... | 06/27/2006 |
| 7056162 | Anti-loosening device for screw or nut An anti-loosening device for locking the head of a locking screw or nut, in particular for connection of an electrical terminal to a contact lug, wherein the device essentially comprises a plate having at least one catch element rotationally stationary in relation t... | 06/06/2006 |
| 7014386 | Screw connection of components to sheet material and method of effecting connection A secure connection (10) of a component to a sheet material including, an extent of thin sheet metal (20) having an attaching surface (36), a component (30) having a mating surface (37) abutting the attaching surface, an aperture (... | 03/21/2006 |
| 7014406 | Anti-strip-out fastener A fastener includes an axial shank and a clamping face extending radially from the shank. A plurality of serrations are formed on the clamping face and extend radially from a shank periphery to an outer periphery of the clamping face. The shank periphery is axially ... | 03/21/2006 |
| 7014383 | Shear wall hold-downs and wall anchor connectors A connector for securing a first building structural member to a second building structural member is provided. The connector includes a seat member with an opening for receiving an anchor bolt that secures the connector to the second building structural member. The... | 03/21/2006 |
| 7001125 | Self-attaching female fastener element, sealed fastener and panel assembly and method of forming same A self-attaching female fastener such as a pierce nut having an annular pilot, an annular flange surrounding the pilot and an annular groove in the flange bearing surface surrounding the pilot, wherein the bottom wall of the groove includes wedge-shaped recesses div... | 02/21/2006 |
| 6997814 | Long barrel T-nut An elongated T-nut fastener is formed from a single piece of material. The fastener includes a barrel and a flange, with a threaded portion in the barrel and an unthreaded portion beyond the threaded portion. Fastening sites are provided at spaced locations along th... | 02/14/2006 |
| 6994500 | Self-attaching nut A self-attaching nut having a central pilot projecting from an end face of the body portion, an annular groove surrounding the pilot and an annular panel support face surrounding the groove, wherein the outer side wall includes a plurality of circumferentially space... | 02/07/2006 |
| 6981829 | Incremental tension fastener assembly The fastener assembly comprises a torquing member and a clamping pressure member assembled together on a common axis. The torquing member has threads formed around the axis. An annular bearing surface extends around the axis on one end of the member. The clamping pr... | 01/03/2006 |
| 6966735 | Screw mechanism In a screw locking assembly a pair of washers having inclined surfaces are interposed between a screw member on a tightening side and a member to be tightened, with the inclined surfaces being mutually contacted. These inclined surfaces circle around once in spiral ... | 11/22/2005 |
| 6935822 | Detachable fastener including a screw element and a securing ring A detachable fastener includes a screw element and a securing ring. The screw element and the securing ring each include cooperating wedge-shaped surface tooth arrangements and two different pairs of stop surfaces. The wedge-shaped surface tooth arrangements face on... | 08/30/2005 |
| 6925820 | Low profile condensing unit A condensing unit which includes a base plate having first and second oppositely disposed major surfaces. The base plate may include flanges disposed along the outer periphery of the base plate. A compressor mechanism and a condensing coil are mounted to the first m... | 08/09/2005 |
| 6908270 | Self-locking bolt A self-locking bolt has a head with a bearing surface and a threaded part extending from the bearing surface and provided with an external thread of a pitch P for fastening to a first member when the head and threaded part are rotated in a fastening direction. There... | 06/21/2005 |
| 6908272 | Threaded fastener nut with anti-cross threading radiused features and tactile feedback features A fastener nut is formed with anti-cross threading features that include a rounded or chamfered edge at the entry end to the nut, followed by an unthreaded cylindrical counterbore that extends axially from the entry end to the threaded section of the bore. The round... | 06/21/2005 |
| 6851904 | Self-attaching female fastener and method of installation A self-attaching nut having an annular pilot, an annular flange surrounding the pilot and an annular groove in the bearing surface surrounding the pilot, wherein the bottom wall of the groove has inclined rectangular protuberances and the outer wall of the groove ha... | 02/08/2005 |
| 6817815 | Fastener being pressable into a metal sheet in a way safe against rotation and pressing out A fastener (10) being pressable into a metal sheet in a way safe against rotation and pressing out having a head (12), the side of which after insertion facing the metal sheet is having radially positioned ridges (22), which, when setting the fa... | 11/16/2004 |
| 6749386 | Locking fastener assembly A locking fastener assembly comprising a nut and a washer. The nut and washer each have opposed load bearing surfaces which include a series of annularly extending, slightly inclined faces forming shallow undulations around each surface. The load bearing surface on ... | 06/15/2004 |
| 6722830 | Fastener driving head A fastener is formed of an axially extending shaft (2) and a driving head on the end directed away from the setting direction, and has on its underside or first side (9) for the prevention of unintended loosening, a plurality of webs (12) extend... | 04/20/2004 |
| 6637994 | Square-headed rivet fastener A fastener includes a generally square flange having arcuate corners. Eight upstanding ribs are provided, equally spaced about the periphery of the flange. When the fastener is inserted in a piece of material, the ribs dig into the surface of the piece of... | 10/28/2003 |
| 6409444 | Self-piercing clinch nut A self-clinching fastener for attachment to a plastically deformable metal panel includes a body portion with a central axis and a central pilot portion extending from the body portion and coaxial with the central axis. The body portion forms a generally ... | 06/25/2002 |
| 6406238 | Earth nut The present invention has been accomplished to provide an earth nut which has an excellent grounding performance, and which is free from the possibility of losing a grounding function even upon application of a high axial force and is low in cost, said ea... | 06/18/2002 |
| 6394723 | Fastener with substrate-engaging portions A fastener for removably securing components to a skateboard is disclosed. The fastener includes a bolt having a head from which one or more fillets extend in coaxial alignment along the bolt shaft, and are equiangularly spaced about the bolt shaft. The f... | 05/28/2002 |
| 6394725 | Countersunk head screw A countersunk head screw is provided. The countersunk head screw includes a head attached to or integrally formed with a shank. A thread extends over a partial region of the shank and a portion of the head includes a bearing surface that tapers conically ... | 05/28/2002 |
| 6361259 | Screw for torque-limited fastening In a screw for fastening sections to a substructure, a shank (2) is provided with a boring portion (4) and a threaded portion (5) as well as a screw head (3). The portion (6) of the shank (2) adjacent to the screw head (3) flares conically toward the scre... | 03/26/2002 |
| 6343904 | Fastener assembly for preventing corotation during tightening A bolt assembly includes a bolt member, a washer, and a nut. The bolt member includes a head and a shank. The shank has a connecting section that is connected to an article confronting side of the head, an externally threaded section that extends from the... | 02/05/2002 |
| 6318940 | Fastener for self-locking securement within a panel opening A fastener (10) for locking receipt in an opening (34) of panel (36) has an upper end portion (16), a flange (18), and a locking insert (24) for receipt in the opening (34) and forcibly distended to prevent removal of the fastener from the opening. A numb... | 11/20/2001 |
