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6309132 |
Fastening assembly for fastening a first member to a second member
A fastening assembly for fastening a first member to a second member comprising at least one threaded fastener having a head at one end thereof, the head having engagement surfaces for a tool, a...
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6283973 |
Strength fixation device
The present invention relates to a screw comprising a screw body including a tip portion having a front face, an end portion having a rear face and being positioned to lie in spaced-apart relation...
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6264414 |
Fastener for connecting components including a shank having a threaded portion and elongated portion and a fitting portion
A fastener (1) for connecting at least two components includes a shank (4) having an axis. At least one threaded portion (7) is arranged at the shank (4), and it has a stressed cross section. At...
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6261040 |
Self-tapping fastener
A self-tapping fastener is provided. The fastener is formed from a blank having an odd number of lobes along a cross section taken perpendicular to its axis of rotation. The lobes define a...
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6254326 |
Screw having a tapered thread
In a screw (1) for mutual fastening of two components (2 and 3) there is provided a shank (4) with a thread (6), an unthreaded shank portion (7) and a screw head (5). The end region (8) of the...
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6239737 |
Method and apparatus for attaching a radio frequency transponder to an object
A method and apparatus for attaching a RF/ID transponder to an object is described. The transponder is integrated within an attaching device to protect the transponder from damage, hazardous...
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6185896 |
Screw threaded fastener and fastening system
A screw threaded fastener (103) has an elongate shank (122) with a drilling tip (104) at one end and a head (123) at the other end. A screw thread extends along at least a part of the length of the...
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6162001 |
Anti-cross threading fastener
A self-aligning, anti-cross threading fastener having first and/or second members with lead threads having a curved surface feature from the minor diameter to the major diameter which allows the...
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6149363 |
Lightweight threaded fastener and thread rolling die
The present invention is to a lightweight threaded bolt type fastener having a shank with a large diameter portion and small diameter portion connected by a transition portion; a thread is roll...
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6113331 |
Self tapping screw for screwing into thermoplastics and the like
A retaining screw produced by cold rolling includes a self tapping thread designed to be screwed into thermoplastic material or the like. The screw has a virtually end-to-end cylindrical thread as...
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6109851 |
Screws having selected heat treatment and hardening
A carbon steel screw has one or more portions which have been selectively hardened by selective heat treatment and quenching. In one embodiment, an upper portion of the screw head is selectively...
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6109850 |
Screw fastener in metal connector to wood structure shear connection
A wood screw for holding a wood structural member to another member such as a sheet metal member a heavy metal member or another wood member wherein the screw includes a shank having a threaded...
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6089806 |
Blank for self-tapping fastener
A blank for a self tapping fastener, and corresponding fastener is provided. The blank defines an odd number of lobes along a cross section taken perpendicular to its axis of rotation. The lobes...
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6042315 |
Fastener
A fastener body comprises a head and a shank fabricated from a composite material. The head has at least one side which extends beyond the side of the shank and has two other sides coplanar with...
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5964766 |
Buttress thread implant
A buttress-thread dental implant constitutes a rigid body including axially symmetric and radially uniform circumferential spiral pitch surfaces in the range or about 22 to about 28 of such pitch...
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5921735 |
Lobular fastener with rectilinear pitch profile
A fastener is constructed having four thread zones constructed over the length of the fastener, from the head to the tip, namely a ridged cylindrical holding zone, a ridged cylindrical transition...
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5897280 |
Self perforating and thread forming connecting element
A self perforating (punching) and thread forming connecting element such as a screw having a screw shaft 2 and screw tip 6 which tapers to a pointed end 4 as well as a single or multiple thread 8...
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5897279 |
Fastener screw with spacer for installing gutters
A gutter fastener screw is provided including a body having a cylindrical configuration with a first length and a first predetermined diameter. A tip is included having a second length less than...
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5882162 |
Driving screw
A drive screw comprises: a head portion; a shank; and a helical thread portion extending along almost all the length of the shank, wherein an outside diameter of the drive screw including the...
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5882160 |
Loosening and dislodging preventing screw
The present invention relates to a male and female screw set wherein the male screw comprises at least a projecting part pressing against the flank plane of the female screw when the male and...
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5876168 |
Thread forms for preventing disengagement between male and female screwheads
The present invention provides a male screwthread that does not loosen. In a male screwthread that has a thread ridge formed on an outer peripheral surface of an axial portion and a head portion...
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5871475 |
Catheter system
Apparatus and methods using rotational advancement and emplacement of various devices for catheterization, dilation and occlusion of mammalian genito-urinary and gastro-intestinal passages and...
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5865584 |
Plywood fastener for affixing plywood to light gauge sheet metal
A fastener and method for securing plywood to sheet metal comprises a head, and a shank with three distinct segments. The first segment is a threaded tip segment with a pierce point tip; the second...
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5839866 |
Mechanical overload protection device
A new overload protection device has been invented of the type in which components are fixed mutually by means of a safety member adapted to be cut or broken when the components are subjected to an...
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5827030 |
Thread forming joining elements
The present invention pertains to a thread-forming joining element, in particular, a screw, which comprises a single or multiple thread that extends over at least part of the screw shaft (1), a...
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5788441 |
Lightweight, compact, threaded fastener and thread rolling die for making same
The present invention provides an improved, lightweight, compact threaded fastener that has a relatively shortened transition thread rollout zone between the grip of the fastener and the threaded...
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5779416 |
Bolt/stud and nut for enhanced high-cycle fatigue capability
The bolt or stud shaft and nut combination includes an undercut of the first thread of the shaft adjacent the load face of the nut, the undercut having a compound fillet with the smaller radius...
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5759003 |
Combined screw and clearance drill
A combination screw and clearance drill is provided that in one mode of operation is able to drill a pilot hole for the screw threads through a top piece of material and then screw into a lower...
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5738472 |
Modified locking thread form for fastener
A threaded fastener has a standard part with a standard thread form characterized by thread walls with a standard included angle, and a modified part complementary to the standard part having a...
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5722808 |
Threaded fastener system
A fastener system capable of clamping a workpiece that provides for enhanced distribution of the internal forces that are generated in the components as a result of the assembly of the system. The...
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5704750 |
Multiple use screw with tapered threads
A threaded screw has a first segment adjacent the screw head (10) with nontapered sides for engaging metal automotive fastener clip nuts (30) and a second segment with tapered sides for engaging...
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5704749 |
Panel aligning fastening system
A fastener assembly having a receptacle attached to the underside of a substructure and extending through a hole within the substructure which are both generally aligned with a panel with a hole...
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5700120 |
Threaded fastener and method of improving the fatigue life thereof
A threaded fastener and a method by which the fastener exhibits sufficiently enhanced fatigue strength so as to be suitable for use in gas compressors and turbines operating at relatively high...
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5685680 |
Coated threaded fasteners with coating-free crests
A method for fabricating a threaded fastener having a discontinuous coating of a contaminant-inhibiting coating material. In a preferred embodiment, the threaded fastener is formed so as to provide...
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5676406 |
Multiple synchronized thread fluid connector
A screw-threaded connection incorporates multiple synchronized threads, that is, one connection element has a set of external threads that mates with a corresponding set of internal threads on the...
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5674035 |
Thread forming screw
A thread forming screw for concrete, masonry, rock, or similar material. The size ratios of various portions of the screw are defined to reduce thread engagement which, in turn, reduces screw-in...
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5669199 |
Member for insertion into a borehole in a receiving material
A member (1) for insertion into a borehole (9) in a receiving material (10) has an axially extending generally cylindrical hollow body (2) closed at its leading end (4) and open at its trailing end...
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5645386 |
Force fit connecting element especially wheel stud
A force fit connecting element (1), particularly a wheel stud, which may be force fit into in a drilled hole (3) through the exertion of an axial force, having a shank (5) and a stop (4) in the...
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5639195 |
Helical panel fastener
Wall panels are fastened to walls or to one another with pairs of identical elically-wound fastener rods which engage each other by turning. Spacer tubes are provided to maintain the desired...
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5636549 |
Wire wound threaded elements including lead screws, roller not assemblies and process
Producing novel threaded members such as lead screws (10, 20) by winding and anchoring a hardened tempered spring wire (14, 16) around a support body such as a screw shaft (11, 15) to form a hard,...
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5624219 |
High-strength bolt and high-strength nut
A high-strength bolt and a high-strength nut is suited for use in combination with a standardized nut and a standardized bolt, respectively. The high-strength bolt and the high-strength nut have an...
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5609455 |
Anticross-threading male fastener
An externally threaded male fastener has a right circular cylinder at one end that is slidably engageable with the internal threads of a female element, a pair diametrically opposed...
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5603661 |
Bolt-nut assembly for railroad crossing frogs
An improved railroad frog bolt-nut assembly is disclosed. The bolt has a square head and a shank. The shank has an unthreaded portion adjacent the head and a threaded portion at its terminal end....
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5570983 |
Reduced-friction screw
A reduced-friction screw is described. The screw requires less turning torque than a conventional screw to drive it into a workpiece. The shaft of the screw has a reduced-thickness thread that...
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5562379 |
Vibration resistant pin and collar fastener
A vibration resistant fastener comprising a pin and a collar. The pin is threaded or peripherally grooved. At a central location, the major diameter of the thread or groove is reduced to a diameter...
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5544993 |
Threaded fastener
A fastener which can be utilized with advantage as a bone screw or another osteosynthetic force transmitting member, instrument or accessory has a thread with two flanks each having a first section...
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5536126 |
Assembly with solid state, phase transformable locking fastener
A locking assembly is formed of a first article (40), a second article (44), and a locking fastener (46) positioned between the two articles and made of a shape memory alloy material. The locking...
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5531553 |
Masonry fixing
A masonry fixing device 1 comprises a steel shank 2 which in the form of the blank is right circular cylindrical form. A ridge-groove-ridge configuration extends helically along the lower portion 4...
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5503187 |
Multiple synchronized thread connector
A screw-threaded connection incorporates multiple synchronized threads, that is, one connection element has one or more sets of male threads that mates with one or more corresponding sets of female...
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5492442 |
Bone screw with improved threads
A bone screw having a helical thread with a constant outside diameter and curling around a tapered core. The fine screw tip and thread at the tip of the screw can be inserted into a bone with...
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