Class 411/448 - Expansible on impact

Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Subject matter wherein the alterable portion is radially
No. of patents: 32
Last issue date: 09/12/2006

Number	Title	Issue Date
7104741	Fastening means and process for its manufacture The present invention is directed to a fastener device that includes a base portion. At least one shank is coupled to the base portion. The at least one shank includes an end configured to be driven into a material. The at least one shank also includes a weakened sh...	09/12/2006
7097405	Method and apparatus for fastening steel framing with staggered teeth nails A piercing nail with a spring member that deforms as the nail penetrates through framing members engages with a bottom surface to framing members together. ...	08/29/2006
7014408	Method and apparatus for fastening steel framing with self-locking nails A harpoon nail having two or more sets of teeth on opposite sides of fingers that deform while penetrating the framing members. The teeth engage with a bottom surface to fasten the framing members together. A piercing nail having sets of teeth on two edges penetrate...	03/21/2006
6749385	Nail structure A nail structure comprises a wall nail casing a center of the wall nail casing being formed with a tapered central axial hole which is reduced toward a distal end thereof; two sides of the distal end of the wall nail casing being formed with respective slots; and on...	06/15/2004
6719512	Method and apparatus for fastening steel framing with nails A harpoon nail having two or more sets of teeth on opposite sides of fingers that deform while penetrating the framing members. The teeth engage with a bottom surface to fasten the framing members together. A piercing nail having sets of teeth on two edges penetrate...	04/13/2004
6325584	Self-piercing rivet A partially-hollow rivet (1), for joining aluminum sheets (3) and (7) by using the self-piercing technique, is made of light metal such as aluminum or an aluminum alloy, and the front (2) of the rivet base has a surface with a blunt shape....	12/04/2001
6095737	Sheet metal anchor nail fastener with locking staple An anchor nail for use with gypsum and other cementitious or composite materials used in roofing which includes a tapered tubular shank having openings therein through which ends of an insert wire staple are deflected to provide an anchoring for the nail ...	08/01/2000
5820324	Master interlocking nail system The invention features an improved flush installation multi-part interlocking nail fastening system which eliminates loosening of flooring members, rubbing, or relative movement, thereby eliminating squeaks and noises. A master nail with modified head and...	10/13/1998
5755543	Machine screw An improved machine screw for engaging a correspondingly threaded aperture, comprising a threaded shank having a proximal portion and a distal portion. A head adapted to be rotated may be formed on a shank proximal end opposite the shank distal portion, s...	05/26/1998
5605422	Nail with expansion region A nail comprises a shank having an expansion portion with two curved expansion limbs defining a free space therebetween, a first straight shank portion and a second straight shank portion located correspondingly before and after the expansion region, the ...	02/25/1997
5567099	Two-part blind rivet A blind rivet has a first part comprised of a central core having depending circumferentially spaced legs spaced radially from the axis of the first part and radially projecting, circumferentially spaced flanges at an upper end forming a head for the firs...	10/22/1996
5468107	Split nail Long and short legs have heads and pointed tips, respectively. They are joined together near their tips by welding. An upper portion above the welded portion of the long leg is formed with a cut extending obliquely upwards toward the short leg so that a t...	11/21/1995
5163798	Base sheet fastener-plate assembly A fastener-plate assembly for use in anchoring covering sheets to a roof deck has a pre-assembled configuration. The assembled configuration is maintained by projections on an upper portion of the fastener shank. The projections engage against a received ...	11/17/1992
5100273	Expansion fastening system with quick lock and release A vibration-resistant two-member fastening device characterized by quick lock and release. The first of the two members has an engagement edge which is adaptable to apply pressure on the second member. The second member has either a recessed surface or a ...	03/31/1992
5037257	Wall plug and anchor assembly Disclosed is an anchor assembly especially for use in a plastic wall-panel which comprises a plug formed of a forward section comprising a tapering plastic board-piercing part and an integral ram head, and of a hollow cylindrical section pivotably connect...	08/06/1991
4906149	Wall plug anchor assembly for mounting in a preformed hole The wall plug anchor assembly is applicable to heavy-duty and reinforced concrete and the like, of a construction component such as a wall and the like environments. The wall plug anchor assembly includes a metallic sleeve having a head of a respectively ...	03/06/1990
4901961	Carpet engaging support device Carpet engaging support devices for anchoring tippable or slidable objects in desired position on a carpeted floor, the devices having one or more sharpened prongs engagable through and under the carpet, with the prongs being arranged to hold the devices ...	02/20/1990
4813832	Fixing element keyable in a hole in a solid base A fixing element which can be keyed in a hole in a solid base has a tie bolt and a key which is movably mounted on a key surface slanting relative to the central longitudinal axis of the tie bolt. There is furthermore provided a power store which is suppo...	03/21/1989
4797046	Fastening unit with nail anchorage A fastening unit with nail anchorage, is provided including a cylindrical body with a head and a support leg. The body includes a surface parallel to its axis for guiding an anchorage nail. The leg includes an expansion surface, slanted in one direction w...	01/10/1989
4746240	Self crimping connection for inner and outer members and method of assembling the same A self crimping connection for inner and outer members and the method of making the same includes providing the inner member with stepped cylindrical exterior walls defining an outboard wall of reduced diameter relative to an inboard wall with an annular ...	05/24/1988
4708552	Expansible mounting assembly A mounting assembly for mounting an object to a plasterboard wall includes a molded plastic bracket formed with a hollow barrel at one end and a clip at the other end to support an object. An anchor having a pointed stem portion and a head at the other en...	11/24/1987
4655659	Roofing fastener A fastener for securing two pieces of roofing material includes an elongated member having a pointed tip end and a flange like head end. The elongated member includes an internal channel that extends substantially the entire length of the member and termi...	04/07/1987
4641472	Fastener for securing roofing material to cementitious roof decks having removable tab A fastener for securing built-up roofing membranes used to waterproof cementitious roof decks combines the conventional nail used for this purpose having a head and a shank portion designed to resist withdrawal of the fastener from the deck, with a non-in...	02/10/1987
4641471	Fastener for securing roofing material to cementitious roof decks A sheet metal nail of the type for securing built-up roofing membranes used to waterproof cementitious roof decks has a head and a hollow shank portion integral therewith and designed to resist withdrawal of the nail from the deck in a conventional manner...	02/10/1987
4533288	Drive fastener A drive fastener designed to be hammered into penetrable material. One end of the drive fastener is split. The opposite end of the drive fastener contains threads. A pair of nuts are threaded together on the threaded end of the drive fastener to receive t...	08/06/1985
4454986	Railroad spike An improved rail fastening assembly composed of a new rail spike and a contact plate member for maintaining a rail in the preset contact with a cross-tie. The assembly of the present invention maintains rail gauge in spite of long and heavy trains....	06/19/1984
4372013	Grommet A novel grommet with improved fabric-engaging retaining means. Said grommet includes a pair of like annular washers arranged at opposite surfaces of the fabric structure, about an opening therein; and a central coupling sleeve engaged through said opening...	02/08/1983
4272938	Sheet metal clip for assembly of building components A clip for attaching together planar wooden or like members comprising a one-piece sheet metal element having a flat base adapted to be seated on one of the members and provided along one edge with an outwardly open socket-like formation above a surface o...	06/16/1981
4263830	Fastening device The disclosure relates to a fastening device for driving into building material, the device consisting of one or more elongate V profiles whose shanks, in the vicinity of the forward, penetrating end of the profiles are outwardly relieved or bevelled such...	04/28/1981
4213373	Sheet metal nail with lockable legs A sheet metal nail of the type used to fasten a covering material to a lightweight base material in which a pair of interfitting generally U-shaped legs are connected to an enlarged head and such legs have means for spreading the legs apart when driven an...	07/22/1980
4179975	Anchoring nail A self anchoring nail that is characterized by a springstat nail shaft having a longitudinal split therein and a collar therearound that prevents premature expansion of the nail shaft into two sides....	12/25/1979
3958411	Shackle In a shackle the shackle arms are bored to receive a pin and the pin and the bore through which the pin first enters, are shaped so that a plate, initially convex toward the pin may be flattened over the end of the pin and anchor itself in recesses in the...	05/25/1976

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Class 411/448 - Expansible on impact