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| Number | Title | Issue Date |
| 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 |
| 7207757 | Panel fastener An elongate fastener is provided for securing a pair of panels together wherein the panels includes respective bores therein. Each end of the fastener includes an expansible end portion thereon which is arranged to be received within the respective bore. A wedge mem... | 04/24/2007 |
| 7179036 | Fastening arrangement employing thread-forming screw A fastening arrangement comprising a thread-forming lobular screw and a member defining a non-tapped pilot hole therein. The screw has a shaft and a head joined to a proximal end of the shaft, the shaft defining a plurality N of lobes circumferentially spaced about ... | 02/20/2007 |
| 7147420 | Self-locking pin A self-locking pin having a shaft, a headed end, and detent means biased in a bore in the pin. The portion of the detent or plunger that extends outwardly from the bore is wedge-shaped, while the portion of the plunger disposed inside the bore is cylindrical. A tran... | 12/12/2006 |
| 7083370 | Fastening devices A device for fastening panels to tubular frames comprises a dowel element (10) and a sleeve element (11). An expander region (15) of the dowel element, comprising a plain cylindrical section (16) and a conically tapering section (17 | 08/01/2006 |
| 7063299 | Suspending equipment A mechanism for suspending equipment from an overhead structural member includes a suspension strand, e.g. of wire or wire rope, provided at one end with a screwthreaded portion, together with a locking device having in bores each preferably associated with a wedgin... | 06/20/2006 |
| 7048052 | Apparatus comprising expandable bistable tubulars and methods for their use in wellbores At least a first expandable tubular and a second expandable tubular are connected to each other by a connector system. The connector system is expandable and utilizes a plurality of extensions that may be used to create an interlocking engagement. The system design ... | 05/23/2006 |
| 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 |
| 6688822 | Plastic injection anchoring sleeve In a plastic injection anchoring sleeve having an essentially cylindrical sleeve body with a closed front end and an open opposite end for the insertion of an anchoring bolt, the sleeve wall has a plurality of openings closed by flaps which are formed int... | 02/10/2004 |
| 6499267 | Rods secured in anchorage by at least one of organic and inorganic mortar composition A tie rod, for insertion into an anchorage where it is secured by at least one of an organic and inorganic mortar composition has an axially extending shaft (2) with an axially extending connection section (3) and an axially extending anchoring section (4... | 12/31/2002 |
| 6491486 | Straddling dowel The invention relates to an expansible fixing plug (10) having an expansion region. To achieve a high anchoring force, the invention proposes constructing the expansible fixing plug (10) in the expansion region with two circumferential wall portions (18) ... | 12/10/2002 |
| 6302627 | Multipart dowel for a removable anchor A multi-component dowel for a removable anchor comprises an outer dowel sleeve and an expander with a collar gripping over an end of the dowel sleeve. The expander is movable within the dowel sleeve. There is at least one dowel sleeve ring bead arranged o... | 10/16/2001 |
| 6299397 | Double ended expansion fastener An elongate fastener is provided for securing a pair of panels together wherein the panels includes respective bores therein. Each end of the fastener includes an expansible end portion thereon which is arranged to be received within the respective bore. ... | 10/09/2001 |
| 6296430 | Push-in plug The invention relates to a push-in plug (1) made from plastics and having at least one shank (2) to be introduced into a drilled hole, on which shank (2) there are located expansion segments (4) lying opposite one another in pairs, which are braced agains... | 10/02/2001 |
| 6004086 | Breakable-stem blind rivet and apparatus for setting the same A breakable-stem blind rivet (5) is having a mandrel (10) with an enlarged head (12) which is positioned in a shell (20). Before the beginning of the setting operation, the shell (20) is having an exterior diameter which at all points is smaller than the ... | 12/21/1999 |
| 5944486 | Interchangeable fan blade system An interchangeable fan blade system for a ceiling fan, made up of a set of adapters having a plurality of elongated attachment apertures that allow the adapter to be threadably fitted to virtually any type of fan support arm, and a complimentary set of in... | 08/31/1999 |
| 5816759 | Expansion anchor and method therefor An expansion anchor installable in a pre-drilled hole formed in a base material. The expansion anchor includes a bolt having a shaft with a head portion, an opposing end portion, and a threaded portion. A shoulder is disposed on the shaft intermediate the... | 10/06/1998 |
| 5813808 | Expansion screw having overlapping expanding elements A forward and reverse expanding type expansion screw has a bolt, a nut, a forward expanding plug, a retaining tapered ring, and a backward expanding plug. By inserting the bolt through the forward expanding plug, the retaining tapered ring and the reverse... | 09/29/1998 |
| 5779410 | Fastening device for mounting hardware especially cabinet hardware on cabinets A fastening plug for mounting furniture hardware having an expandable sleeve into which an elongated shaft of an expander enters, the shaft having a head for rotating the expander relative to the sleeve. The elongated shaft of the expander has multiple ex... | 07/14/1998 |
| 5743061 | Wall anchor A wall anchor having a first inclined plane secured to a second inclined plane by a connector. The connector is resilient to allow the inclined planes to move relative to one another. The inclined planes are oriented opposite one another, in a manner whic... | 04/28/1998 |
| 5725342 | Spreader dowel Spreading dowel, consisting of a dowel component (15) and a non circular spreader screw (1); whereby, the inner notch (17) of the dowel component (15) is fitted in its form for the outer contour of the spreader screw (1); whereby, the spreader screw (1) h... | 03/10/1998 |
| 5685677 | Mechanically adjustable wedge assembly A mechanically adjustable wedge assembly including a cruciform-shaped driver and mating idlers applies force in multiple directions simultaneously thereby achieving the effect of several wedges in a single unit.... | 11/11/1997 |
| 5634750 | Expansible anchor An expansible anchor for anchoring in a hole drilled in a component has a shank having a rear end provided with a structure for fixing an article and a front end provided with at least two portions of reduced cross-section with adjoining expander cones, e... | 06/03/1997 |
| 5536122 | Expansible anchor and method of making the same An expansible anchor of metal for anchoring in a hole drilled in masonry has a bolt with several connected expander cones forming a thread and an expansible sleeve provided with an internal thread matching the expanding cones. To achieve high holding fore... | 07/16/1996 |
| 5501551 | Mine roof expansion anchor, expansible shell element used therein and method of installation A mechanical expansion anchor and radially expansible shell for use therein having particular application in combination with resin grouting materials. The anchor includes a conventional, tapered camming plug moveable axially upon a mine roof bolt to move... | 03/26/1996 |
| 5458448 | Expansion bolt structure An expansion bolt includes an elongated bolt body having a threaded section formed on one end and an expanded shoulder portion formed on an opposite end. An expansion cylinder slidably fits over the bolt body has a flat end supported by the shoulder and s... | 10/17/1995 |
| 5357776 | Method of forming bushing rings A method of forming adjustable bushing rings comprising the steps of drawing wire of round cross-section and predetermined diameter through a die forming said drawn wire in a wire having a generally trapezoidally-shaped cross-section. The drawn wire is cu... | 10/25/1994 |
| 5284408 | Adjustable diameter bolt assembly A self-retaining adjustable diameter bolt assembly including a bolt having a head, a shank, and a threaded end adapted to be inserted into aligned holes in a pair of abutting panels for subsequent coupling to a nut on the blind side of the panels. The bol... | 02/08/1994 |
| 5232322 | Fastener A plurality of anchoring members are threaded onto the shaft of the fastener. These anchoring members include an annular body and a spacer. The anchoring members are held between an abutment of the shaft and a locking section thereof fixed against an axia... | 08/03/1993 |
| 5224806 | Adjustable diameter bolt assembly A self-retaining adjustable diameter bolt assembly including a bolt having a head, a shank, and a threaded end adapted to be inserted into aligned holes in a pair of abutting panels for subsequent coupling to a nut on the blind side of the panels. The bol... | 07/06/1993 |
| 5211512 | Expansion anchor An expansion anchor for insertion into a cylindrical hole of a mounting substrate possesses two expansion cones with coordinated expansion rings. The expansion rings are provided with radially protruding beads extending from the rear rim up into the cente... | 05/18/1993 |
| 5203647 | Roof bolt anchor An anchor for securing a mine roof bolt within a hole preformed within a rock strata. The anchor comprises a plurality of transversely bent plastic leaves, each having an aperture through which the roof bolt is received, a support nut threadably connected... | 04/20/1993 |
| 5193956 | Adjustable diameter bolt with adjustable nut A self-retaining adjustable diameter bolt with an adjustable nut including a bolt having a head, a shank, and a threaded end adapted to be inserted into a hole in an installation for subsequent coupling to an nut assembly. The bolt includes a pawl with a ... | 03/16/1993 |
| 5184922 | Roof bolt anchor An anchor for securing a mine roof bolt within a hole preformed within a rock strata. The anchor comprises a plurality of transversely bent plastic leaves, each having an aperture through which the roof bolt is received, a support nut threadably connected... | 02/09/1993 |
| 5143497 | Expansible plug for fixing to a solid or hollow building material The expansible plug for fixing an element or frame member on solid or hollow building material, has a plug shank (1) having a plurality of expansion discs (3,4) arranged one after the other along the plug shank (1). The expansion discs (3,4) are provided ... | 09/01/1992 |
| 5116176 | Expansion anchor An expansion anchor capable of being expanded by thrusting a lock plug into a contacted portion to spread a clamp member having acutely angular peripheral edges. When the anchor is expanded within a hole in a rigid material such as concrete, the angular e... | 05/26/1992 |
| 5085544 | Expanding plug and a method to manufacture same An expanding plug comprises an expanding sleeve made in one piece and provided with a continuous longitudinal slot, an expanding body arranged in the expanding sleeve, and a screw engaging with a thread in the expanding body and bearing with its head agai... | 02/04/1992 |
| 5060447 | Tie rod A tie rod with a fastening section presenting several spreading cones is provided with a cage which divides the hardenable mortar composition used for the fastening in a cylindrical bore hole into segments. On the occurrence of a crack through the fasteni... | 10/29/1991 |
| 5018919 | Combined rigid profile and stretching roof bolt with expansion element In rock or roof bolts, in particular combined rigid profile and stretch or strain roof bolts, the bolt bar, except for the bar tip is surrounding by a sheathing tube and the end thereof projecting out of the drillhole mouth is made tensionable with respec... | 05/28/1991 |
| 4902179 | Drywall fastener A drive-in expansion fastener is provided having a generally cylindrical, hollow body with a tapered end formed from an angular truncation of the body. The body is reinforced by at least one longitudinal rib so as to permit drive-in penetration from the t... | 02/20/1990 |
