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7338241 |
Fastener receptacle
A receptacle for a fastener which is inserted into a receptacle receiving member. The receptacle is insertable and rotatable in a hole in the receptacle receiving member and includes at least one...
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6789989 |
Screw having a head with concave underside
An integrally formed screw, such as a wood screw has a threaded cylindric stem and a head (9). At least a part (25) of the head (9) is shallowly convexly curved (25) and is provided with a...
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6755601 |
Weld nut
An object of the present invention is to provide an excellent weld nut wherein the weld nut and an iron plate are closely fixed together by inserting extra metal materials upon welding into a...
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6709211 |
Girt or purlin retainer and method of using same
A girt retainer is described for temporarily securing one end of a girt to a column clip until a second girt has been secured to the first girt and the column clip. The girt retainer comprises a...
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6616390 |
Structural member having a nut with an extended flange
A nut includes an extended flange and a center hole. A shoulder is formed onto the edge of the center hole to achieve an easier and faster assembly. The shoulder has an essentially tubular shape...
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5927921 |
Enhanced fatigue nut
An enhanced fatigue nut for mating with a threaded mating component includes an exterior surface, a flanged mating end for insertion of a threaded mating component and an end opposing the flanged...
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5861557 |
Cable yield indicator for earthquake restrainer cables
An annularly configured device for use on each earthquake restrainer cable of a bridge, which device, will deform due to its internal configuration upon the occurrence of an earthquake, if the...
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5787794 |
Mounting bolt for brake actuator
An improved mounting bolt for attaching brake actuators to the frame of a vehicle includes a head having outermost portions which contact the service chamber housing, and inner portions which are...
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5509766 |
Fastening apparatus
The invention relates to a fastening system comprising a nut and a counterpart, wherein for protection against torsion of the nut at least two fastening elements are provided which interengage as a...
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5199838 |
Nut for use on roadways, runways, in reinforced concrete construction, and the like
A nut for use on roadways, runways, in reinforced concrete construction, and the like, possesses a generally circular shape, with spherical top and bottom surfaces connected by a cylindrical side...
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5090854 |
Self locking nut
A symmetric self locking nut with a deflecting annular flange that allows the nut to be installed from opposite ends. The nut has a shank with a threaded hole through the longitudinal axis of the...
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4793754 |
Process for locking two screwed elements and elements for carrying out this process
A process for mutually locking two elements screwed on one another, wherein it is provided that a portion of one of the elements covers a housing provided in the other element and overlaps an edge...
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4770584 |
Demountable pin, particularly suitable for the lever mechanisms of textile machines
A self-locking demountable pin consisting of a central stay bolt with an internal hexagonal through bore for its tightening by a key and comprising at its two ends two opposite-handed external...
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4764340 |
Fuel assembly stress relieving fastener
A device for relieving thermally induced stresses developed in a nuclear fuel assembly during reactor heatup is disclosed herein. The device generally comprises a stress relieving fastener capable...
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4741654 |
Spider washer head fasteners
A fastener having a body defining an axis of rotation extending downwardly from the body and formed integrally therewith is provided with a flange extending radially and downwardly from the body....
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4516893 |
Sheet metal screw
A rotary fastener for use in attaching sheet metal or attaching articles to sheet metal. The fastener has a serrated helical ramp forged in the undersurface of the head during the heading...
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4498825 |
Load indicating flange
A load indicating flange is provided either separately or on a nut or a bolt head. This load indicating flange has an axially directed face which has a wavy surface on which a plurality of crests...
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4350465 |
Spider washer head screw
A screw having a head and a body defining an axis of rotation extending downwardly from the head and formed integrally therewith is provided with a flange extending radially and downwardly from the...
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4293256 |
Load indicating fastener
An improved fastener indicates when a predetermined preload has been applied to the fastener. The fastener includes a body section which is connected with a thread convolution. A load transmitting...
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4269248 |
Fastener with flexible flange
A fastener such as a threaded nut, bolt or screw includes a body portion with a bearing surface at the workpiece engaging end defined at least in part by a flange. Segments of the bearing surface...
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3343580 |
Self-locking fastener device
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3056443 |
Threaded fastener having a resilient locking flange
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2959204 |
Threaded fastener with biting teeth and bearing platform
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