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7406777 |
Method and apparatus employing eccentric bushing
An alignment assembly comprises an outer bushing received in an aperture of a work piece, and an eccentric bushing received in a passage of the inner bushing and rotated to align a passage of the...
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7401766 |
Change of direction device for hazardous items
The invention provides a “change of direction” device for use by a law enforcement technician. The device can be readily and easily attached to a building element and will allow the technician...
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7357363 |
Expansion bolt
An expansion bolt. A first chock has first and second outer ramping surfaces. A second chock has an inner ramping surface complementarily corresponding to the first outer ramping surface. A spring...
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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,...
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7114900 |
Push-type rivetless nut plate and method and apparatus for installing same
A rivetless nut plate has a nut, a holding bracket, a member and a nut retainer. The nut is provided with an aperture therethrough and is secured within a bracket portion of the holding bracket by...
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7065855 |
Installation tool for setting anchors
The invention provides an installation tool for use with a battery operated drill or a corded electric drill for repetitive installation of caulk-in anchors. The installation tool utilizes the...
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6874984 |
Expansion bolt having internal spherical member and rear driving bolt
An expansion bolt includes a sleeve in which a central bore is defined, comprising a rear inner-threaded section and a front tapering section. Radial slits are defined in a front end portion of the...
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6827535 |
Dowel bolt with expansion control
A dowel bolt is formed of a bolt ( 1 ) and has at the trailing end an outer thread ( 2 ) and on the leading end an expansion head ( 3 ) expanding in the setting direction (S) and an expansion...
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6817076 |
Securing plug in over-sized holes
A method of securing a screw-receiving plug in an over-sized hole preformed in a fixture comprises the steps of: (a) providing at least one piece of a loosely-woven fabric carrying consolidated...
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6672810 |
Fitting for connecting two structural components
A fitting for connecting two structural components, particularly plates, includes a clamping device mounted in the first structural component and an expanding sleeve which can be secured to the...
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6634840 |
Obturator for an opening produced in a metal sheet
An obturator ( 1 ) for an opening has a collar ( 2 ) having a peripheral lip ( 3 ) adapted to come into abutment on a face of the opening. The obturator also has teeth ( 6 ) pivotally mounted on...
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6599059 |
Three-prong shell
An expansion assembly configured to be attached to a mine roof bolt, wherein the expansion assembly may include a plug defining an interior cavity and an outer surface and an expansion shell having...
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6122815 |
Circuit board stiffener and method of attachment to a circuit board
A rigid bar of material is fastened to a circuit board to increase its stiffness. The bar is preferably a high modulus plastic such as liquid crystal polymer. Flexible fingers which surround a...
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5984562 |
Arrangement and method for fixing tubular element in a hole in a plate element
An arrangement for fixing a tubular element, such as a shaft, that is provided with a bore and a flange in position with respect to plate element involves the use of a ball that pressed into the...
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5980174 |
System for reinforcing a sandwich panel
A system for reinforcing a sandwich panel, the panel having a first exterior skin, an intermediate skin and a second exterior skin, the skins being separated by first and second cores and having a...
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5740651 |
Anchoring sleeve
An anchoring sleeve for receiving a screw in a concrete building element, consists of a tubular body (1) made of synthetic material and surrounded by a metal shell (8) which only partially covers...
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5727355 |
Stone facing section anchor mounting system
A stone facing section anchor mounting system has a special hole configuration, in facing stone, that will not rotate while being installed, and because of its installed angularity and pressure...
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5655864 |
Expansible fixing plug
In an expansible fixing plug having an internal bore passing right through the plug body into which an expansion bolt in the form of a nail or screw is to be driven, the internal bore is arranged...
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5584372 |
Friction clutch, such as for a motor vehicle, the friction clutch having a clutch disc and a pressure plate, the pressure plate having a blind hole fastening arrangement
A friction clutch having tangential leaf springs which are fastened by means of blind hole rivets, on one hand to the pressure plate, and on the other hand to the clutch housing, whereby the blind...
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5568675 |
Two-piece clip
A clip includes a female member having a cylindrical body having a hole with an expanded engaging portion around an inner surface at an upper end opening of the hole, spreadable legs formed by...
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5447005 |
Reverse wedge truss-forming wall anchor
A dagger-like anchor drivable into a hollow wall and adapted to receive a fastener screw to hold an object adjacent the wall. The anchor is fabricated from a sheet metal blank, shaped, folded and...
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5397206 |
Vibration isolating fastener
A multi-part fastener assembly for attaching a first apertured member such as a valve cover to a second member such as a cylinder head, comprising an elongated threaded fastener, a tubular sleeve...
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5341599 |
Replacement vehicle window attachment
This invention is directed to a new and simplified method of installing a vehicle window glass in the glass carrier or regulator of a vehicle. By this method the glass can be mounted more securely...
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5314277 |
Expansible plug having an expander body
The expansible plug has an expander body at one end of a plug shank and an expansible sleeve which slids over the expander plug in operation. A sliding ring is often provided between the expander...
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5259689 |
Component connecting means especially flange connecting means
The invention relates to component connecting fastener especially flange connecting fasteners for the propeller shaft in a motor vehicle. The two flanges 4, 5 contain bores 8, 9 which align with...
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5256016 |
Swedge anchoring assembly
An anchoring assembly for use in a hole bored inwardly from the surface of a receiving material. The anchoring assembly includes, in general, an anchoring component or swedge anchor having a...
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5228815 |
Detachable device for joining together objects which each have a hole
Detachable device for joining together objects having holes intended to come into alignment, comprising: a tubular member made of an elastically deformable material and capable of passing...
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5222852 |
Quick release clip-in-grommet fastener permitting limited sliding movement between objects fastened thereby
A fastening system is provided which includes an elongate grommet affixable into a correspondingly shaped aperture in a first object to be retained therein, and a clip passed through an aperture in...
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5205689 |
Expansible plug
An expansible plug for anchoring in conical inwardly expanding drilled holes comprises multi-slotted expansion anchor having an inner opening with a cylindrical part, and an expander body having a...
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5193961 |
Pin and grommet
A pin and grommet assembly includes a push-pin and a grommet of unique construction which is capable of absorbing variations in the relative positions of a supporting panel and a mating panel to be...
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5175911 |
Snap fastener
A replacement fastener for use with a female snap member to provide a snap fastener. The male snap member is formed of an acetal resin which is tough and resilient and has its own self-lubricating...
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5147167 |
Two part grommet for soft panels
The disclosure relates to a grommet for relatively soft panels comprising male and female elements that mechanically interlock with one another. The male and female elements having complementary...
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5137395 |
Dynamic earth anchor, and a sleeve therefor
An apparatus comprising a sleeve insertable into a borehole, the borehole having a first diameter. A roof pin is inserted into the sleeve, the roof pin having a second outer diameter which is less...
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5080543 |
Fastening sleeves and fastening systems employing same
An anchor assembly capable of being inserted in a hole in a substrate. The assembly includes a sleeve and a screw. The sleeve includes a top end, a body portion, and a bottom end. The sleeve...
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5078547 |
Expansion assembly for mine roof bolts
An improved expansion assembly for a mine roof bolt adapted for use in a 11/2" diameter bore hole with a 1" roof bolt. The expansion assembly has a plug with tapered surfaces, an expansion shell...
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5076746 |
Fixing element for anchoring in a hole drilled in a concrete part
The fixing element for anchoring in a hole drilled in a concrete part includes a threaded bolt, an expansible body with an expander cone and an expansible sleeve having an internal bore. The...
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5044851 |
Fastening element assembly and method of setting fastening elements
A fastening element is set in a receiving material, such as concrete, stone and the like, by driving it through the base of a blind borehole previously formed in the receiving material. When the...
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5042888 |
Anchor bolt having a spring
An anchor bolt having a spring member is provided, with the anchor bolt comprising a fastening sleeve, an expansion sleeve and an expansion body. The spring member is interposed between the...
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4986709 |
Fastening element assembly
A fastening element assembly for use in a hard receiving material, such as concrete, masonry and the like, includes a sleeve and a fastening element or bolt. The sleeve forms a blind bore in the...
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4936726 |
Clip for pinning sheet metal plates or the like together, incorporating a protecting tube
A clip for pinning an assembly of sheet metal plates or the like together including a bearing face adapted to come into contact with the outer face of one of said outer plates of said assembly of...
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4934885 |
Tack fastener
A tack fastener comprising an elongate, tubular body (51), a stem (53) slidable in the body and a compression nut (91) is disclosed. The body (51) has an enlarged threaded hub (55) at one end,...
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4930963 |
Driven tubular wall-plug anchoring element for light and porous concrete
A wall plug anchor assembly is provided including a sleeve, a spherical body for flaring anchoring ends of the sleeve which body is inserted from a head end of the sleeve into an unslotted portion...
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4906148 |
Fixing assembly for a flat roof structure and fixing device for use therein
A fixing device for use in fixing insulating boards and waterproof sheeting, if required, to be fixed with the insulating boards on a sheet panel forming a cover plate for a flat roof, includes a...
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4881860 |
Cover plate retaining structure
A fixing structure in which screw engagement members are applied to mating thread portions formed in a fixed member through mounting holes provided in a mounting member and having a larger diameter...
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4861197 |
Roof bolt system
A mechanical anchor including an expansion shell and an expansion plug positioned in the shell is engaged with the end of a bar having helically extending rib segments formed on the outer surface...
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4859128 |
Sheathed composite blind rivet
A composite blind rivet wherein a ductile metallic sheath fully covers the blind head forming portion of the rivet before and after deformation thereof so as to preclude protrustion of said fibers...
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4840522 |
Synthetic resin rivet
A synthetic resin rivet comprises a rivet body having a hollow cylindrical portion and an integral flange portion extending radially outwardly from the upper end of the cylindrical portion and a...
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4818163 |
Anchor bolt assembly including a bolt and an expanding sleeve
An anchor bolt assembly includes an axially elongated bolt and an axially elongated expanding sleeve laterally encircling the bolt. The sleeve is axially slotted from its leading end. The bolt...
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4806053 |
Expansion dowel with two different expansion members
An expansion dowel assembly includes an axially elongated anchor bolt and a pair of serially arranged expansion elements or shells into which the anchor bolt is drawn. The anchor bolt has axially...
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4770583 |
Fastening means for fixing of a screw or the like in a hole preferably made in a plaster board
Fastening device for fixing a screw or the like in a hole or opening in plaster board, or the like. It comprises a sleeve with a flange placed at one side of the board and a nut fixable against the...
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