|
Match
|
Document |
Document Title |
|
|
7326014 |
Interactive fit screw thread
A threaded fastener includes a curved-line path thread provided in a helical pattern along a shank of the fastener. The curved-line path can be provided on either side of the standard straight-line...
|
|
|
7044702 |
Screw with a plurality of screwing angles and mold device for forming the same
The screw with a plurality of helix angles comprises a first section having a first thread with a first helix angle, at least one third section having a third thread with a third helix angle; and a...
|
|
|
7025550 |
Pull type swage fasteners with removable mandrel
A pull type swage fastener including a pin and a collar adapted to be swaged into a locking portion on the pin shank and with a removable mandrel being threadably securable in a pull cavity at the...
|
|
|
6843508 |
Hydraulic device
A hydraulic device having a nut part with a threaded hole which has an internal screw thread with a defined nominal diameter and with a defined, uniform pitch, and having a screw part which has an...
|
|
|
6811552 |
Device for securing bits of bone together
Device for securing bits of bone together, particularly small-sized bats of bone, for example bits of metatarsal head, in the form of a spindle including an elongate shank ( 1 ) followed, after a...
|
|
|
6736576 |
Nut disengagement prevention structure and battery terminal incorporating same
In a nut disengagement prevention structure, a bolt has an external thread. A nut which is thread on the bolt has an internal thread. A thread portion which is the closest to a leading end of the...
|
|
|
6572315 |
Threaded fastener having a thread crest greater than its thread root
A progressive (variable) pitch, interlocking thread with a tooth cross-section that is wider at its crest than at its root which creates radial clamping action when tightened into a tapped hole...
|
|
|
6261292 |
Threaded pin
The invention relates to a threaded pin for holding together pieces of a fractured bone. The pin comprises a body having a distal end and a proximal end. The distal end has a first thread...
|
|
|
6120865 |
Method for producing molding die for synthetic resin lens barrel having a helicoid and for producing the lens barrel
An inner barrel includes a male helicoid, and an outer barrel includes a female helicoid which can engage with the male helicoid of the inner barrel. The included angle of trapezoidal threads of...
|
|
|
6079921 |
Anchor bolt for friable material
The anchor bolt comprises a generally hollow body (1) with a drilling end (4), a supporting collar (5) at the other end and an external screw thread (6). The collar (5) forms two openings (10, 11),...
|
|
|
6059500 |
Arrangement and method for detecting a fatigue fracture of a bolted connection caused by overstressing
An arrangement for detecting a fatigue fracture caused by overstressing of a bolted connection including a bolt and an internal-thread-bearing hollow section which is alternately stressed by an...
|
|
|
5964768 |
Tapered bone screw with continuously varying pitch
A bone screw having a continuously varying pitch includes a tapered root portion having a relatively small diameter on a leading end of the screw and a larger trailing diameter. The pitch of the...
|
|
|
5938383 |
Connector assembly and method of forming same
A connector assembly that is subjected to alternating loads by an axial flow of force between zero and various maximum values, with an outer assembly component designed as a hollow section and an...
|
|
|
5908276 |
Annular engagement lock nut
A prevailing torque type lock nut for assembly onto a threaded bolt that affords a substantially 360 degree break loose torque engagement resistance against the standard bolt threads and is...
|
|
|
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...
|
|
|
5569009 |
Loosening prevention screw
The screw of this invention can be used for fastening members of a variety of materials and reliably prevent loosening of the screw. The screw shank is formed with two threads, a main thread for...
|
|
|
5490190 |
Alignment pin and method for aligning a nuclear fuel assembly with respect to a core plate disposed in a nuclear reactor pressure vessel
Self-locking alignment pin and method for aligning a nuclear fuel assembly with respect to a core plate disposed in a nuclear reactor pressure vessel. The fuel assembly has a top nozzle having a...
|
|
|
4854794 |
Connector of the nut-and-bolt type
A connector of the nut-and-bolt type with a bolt that has an external thread and/or a nut that has an internal thread. The connector has a locking device that provides a moment of friction that...
|
|
|
4846614 |
Differential thread for transfer of screw thread forces
A fastening apparatus is provided wherein the length of a mating threaded connection between two members is limited as a function of an effective differential pitch to the uniform pitch of the...
|
|
|
4842464 |
Equalization of load in threaded connections
A threaded connection in which the axial load between a screw and nut in a tightened condition of the connection is distributed more uniformly between different turns of the engaged threads than in...
|
|
|
4840526 |
Gripping device for tensioning screwing elements
A gripping device for tensioning a screwing element (2) which, at its free end, has an outer profile matching the inner profile of an engaging member (4). The screwing element (2) has an outer...
|
|
|
4802805 |
Fatigue resistant fasteners and related methods
A fatigue resistant threaded connection includes a nut having two threads which are aligned axially but turned relative to one another about their common axis through an angle great enough to cause...
|
|
|
4662806 |
Metal lock system and method
Apparatus for repairing a casting having a crack therein comprising a metal lock to extend across the crack and a lacing plug to fit in the crack, the metal lock formed as a rigid elongate member...
|
|
|
4661031 |
Fatigue resistant fastener assembly
A fastener assembly, having a threaded male and female member, is disclosed. One of the members has substantially conventional threads and the other member has two threaded portions rotationally...
|
|
|
4476987 |
Bottle caps
A plastic cap for glass or plastic carbonated beverage bottles is shaped so that in use pressure is exerted around the edges of a gasket to give enhanced sealing. A single cap can fit the different...
|
|
|
4364136 |
Formation of threaded elements having a self-locking action
A fatigue resistant self-locking fastener is formed by screwing two threaded elements into engagement with a part having a thread which is slightly off-size with respect to the threads of those...
|
|
|
4266590 |
Prevailing torque nut
A threaded fastener assembly comprises a bolt with standard 30° flank V-threads and a nut with 30° flank V-threads modified to have wedge ramps between adjacent top and bottom flanks and...
|
|
|
4237948 |
Screw threaded members and their manufacture
An externally screw threaded member of the self-locking, prevailing torque type has a series of convolutions of a standard thread form, and a locking series of convolutions of the same thread pitch...
|
|
|
4071067 |
Self-locking screw threads
A screw threaded member having a thread with at least two portions of different form, one portion being of standard form and the other portion, a locking portion, having its root and crest offset...
|
|
|
4060116 |
Method for producing self-locking fasteners
An improved method for producing a threaded, metallic, self-locking fastener having a metallic patch flame sprayed thereon. The improved method includes a heat-treating operation which densifies...
|
|
|
4013110 |
Locking thread
Threads for a fastener of a type having an opening in one member with internal helically-shaped threads around the inner periphery thereof, and another member having helical threads around the...
|
|
|
3813718 |
METHOD OF MANUFACTURING ROLL THREADED SCREWS HAVING ELASTICITY
A method of manufacturing roll threaded screws having elasticity by forming a helical groove in a screw workpiece in conformity to the pitch or lead of the screw to be produced, and then urging a...
|
|
|
3799229 |
LOCKING THREAD FASTENER
A locking thread fastener for use in a mating part having a conventional internal thread where the thread of the fastener has a varying pitch distance along the length of the screw so that...
|
|
|
3687183 |
SELF-LOCKING SCREW THREADED FASTENER
A self-locking fastener in which a portion of less than 180° circumferential extent of the screw thread of the fastener is changed in pitch diameter to achieve an interference fit. If it is an...
|
|
|
3601830 |
SELF-LOCKING BOLT AND MANUFACTURE THEREOF
A thread is rolled on the bolt blank around a predetermined length thereof, and during the thread-rolling operation the bolt is indented at diametrically opposed parts of its threaded length, to...
|
|
|
3537288 |
METHOD OF MANUFACTURING SELF-TAPPING SCREWS
|
|
|
3476163 |
CONSTANT TORQUE SHEET METAL FASTENER
|
|
|
3454070 |
DIFFERENTIAL PITCH FASTENER DEVICE
|
|
|
3454071 |
SHEET METAL FASTENER
|
|
|
3435870 |
LOCK KEY FASTENER UTILIZING DEFORMED THREAD AS STOP SHOULDER
|
|
|
3405751 |
Element having continuous thread, portion of thread being longitudinally variable inlength
|
|
|
3346278 |
Tapered pipe thread
|
|
|
3302150 |
Adjusting and locking arrangement for variable impedance devices
|
|
|
3238985 |
Threaded devices with antirotational means
|
|
|
3227199 |
Self-locking threaded fasteners having uninterrupted threads with a pitch deviation therein
|
|
|
3118479 |
Self locking fastener having deformed threaded portion
|
|
|
3079181 |
Box-and-pin-type threaded joint having different pitches and pitch diameters
|
|
|
2842180 |
Self-locking threads with locking interference fit
|