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JP2022141539A |
To provide a bolt fastening structure of a resin member capable of suppressing deterioration in shaft force of a bolt with a flange without using a metal collar.In a bolt fastening structure 10, a bolt 20 with a flange has a trunk 26 bet...
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JP7137814B2 |
To provide a novel implant tool which can provide a strong anti-loosening effect by an eccentric fitting while allowing easy screwing operation of a tapping screw.The present invention includes: a tapping screw 2 having a spherical head;...
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JP3239026U |
A bolt and nut system having a strong anti-loosening effect over a longer period of time than ever before is provided. A bolt nut system having an anti-loosening effect has a bolt 2 and a shank portion 4 whose central axis is aligned wit...
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JP7132596B2 |
To provide a locking tool having no necessity of forming a particular shape lock at a tip part of a bolt, also having versatility, and capable of locking the bolt even if the bolt is loosened from a fastened state, and a locking structur...
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JP7131430B2 |
To provide a bolt fall prevention structure which hardly receives damage caused by flying objects, and can prevent a fall of a bolt without being constricted in design and a space, and a sensor attachment structure.Bolts 5 have shaft par...
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JP7130101B1 |
A washer capable of suppressing the occurrence of damage to a projecting portion is obtained. A washer (2) has an annular portion (201) and a protruding portion (202) provided on the annular portion (201). , a first direction D31 and a s...
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JP7122913B2 |
To provide a speed reduction mechanism which can prevent looseness of a screw member fastened to a shaft reliably, and to provide a motor with a speed reducer.A speed reduction mechanism 3 includes: a worm support shaft 24 in which a bas...
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JP2022122222A |
To manufacture a screw which avoids a cost increase greater than that of a normal screw, hardly loosens by a nut in as the same level as that of the normal screw, and is easily removed.A clearance is formed in a portion having a cut shap...
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JP2022536750A |
The nut comprises locking jaws (14) whose floating ends are actuated by a cam profile inside a rotary actuating ring (19). The jaws are manufactured by removing material from the body (11) of the nut and transition from locked to release...
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JP7118537B2 |
To reduce the load required to press-fit a nut into a plate material, the nut includes a base part 2 provided with a female screw 18, a cylindrical protrusion part 3 protruding from one surface of the base part and a plurality of foot pa...
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JP7116899B1 |
A combination nut having a locking function that prevents loosening of a screw connection that accompanies return rotation achieves strong fastening of a member to be fastened and strong locking of the screw connection with a low tighten...
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JP7115713B1 |
An object of the present invention is to reliably prevent a nut from loosening and eventually falling off under conditions where impact, vibration, or the like continues intermittently. A nut locking device (5) of the present invention c...
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JP2022113536A |
To provide a bar type and threaded lock pin that provides a crime-prevention function against attachment/detachment, etc., since the prevention function for falling and attachment/detachment, etc., is not available with a lock pin insert...
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JP2022112264A |
To provide a vehicular transfer device which can inhibit swinging of a joint part of a propeller shaft relative to an output shaft for a front wheel and inhibit loosening of a bolt member threadedly engaged with the joint part.In a vehic...
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JP3238532U |
A lock nut with a tapered ring that reduces the likelihood of the lock nut loosening in a high vibration environment. A lock nut with a tapered ring includes a nut body 1, and an internal thread is provided on the inner surface of the nu...
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JP7107744B2 |
To decrease a screw-in amount of a male screw included in a hanging bolt, etc., that is mounted in an insert, while comprising a loosening prevention function.An insert 101 is configured to fix a screw part 131 like a nut comprising a lo...
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JP3238459U |
To provide a guardrail fastener and a guardrail connection structure for preventing loosening and falling off of bolts and nuts, shortening construction time and reducing work load. A guardrail fastener used for connecting and fixing a g...
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JP7103677B2 |
To improve fastening rigidity and a retention effect while simplifying a structure, in a drill screw for fixing a workpiece to a thin metal plate member (structure material) such as a deck plate.A drill screw is composed of a shaft 1, a ...
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JP7101364B2 |
To provide a screw member capable of performing management of fixation strength without complicating a structure of the screw member.A screw member unit 10 includes a main body male screw part 13 which is provided on the shaft direction ...
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JP7099761B2 |
The present invention relates to bolt and nut loosening prevention assemblies for preventing a bolt and a nut adapted to fix a first member and a second member to each other from loosening, including: loosening prevention members fitted ...
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JP7094577B2 |
To provide a screw loosening prevention method capable of removing a connection portion at the time of removal without any damage, and a protective cover.A bolting method comprises: a step of forming a female screw on a square rod 13; a ...
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JP7090962B1 |
To provide a bolt fastening structure capable of reliably preventing loosening after fastening. A washer 4 is interposed between a member to be fastened 31, 32 and a nut 2, and the nut 2 and the washer 4 have a first engaging portion 10 ...
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JP7089614B1 |
To easily prevent a ring nut of a speed reducer from loosening. A speed reducer 100 includes a fixed housing 10 having a male screw portion 17 on an outer peripheral surface, a rotary housing 20 that rotates by transmitting the output ro...
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JP7089215B2 |
To provide a fastening device superior in fixing strength of a soft material and excessive screwing prevention function.Four engagement projections 12 are formed on a seating face 10 of a countersunk head 8 of a machine screw 6. A disc 5...
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JP7087008B2 |
A nipple (1) for spoked wheels includes a head (2) and a rod (3) which are coaxial and through which a through-hole (4) extends, a manoeuvring key (5) in the head and an insert (11) of plastics material which is inserted in the hole in o...
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JP7079921B2 |
To provide a locking washer which provides a sufficient locking effect with a simple configuration, can be used for general purpose, and is resistant in repeated use without damaging a fastening material and a counterpart member.A lockin...
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JP2022527543A |
The fastener assembly includes a threaded member, including a threaded body and head. The fastener assembly also includes a first locking member that includes a plurality of axially extending ratchet teeth and defines an opening extendin...
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JP2022075946A |
To provide a looseness prevention washer of a hexagon nut capable of preventing looseness of a hexagon nut.When a hexagon nut 2 is fitted to a looseness prevention washer 1 of the hexagon nut and screwed into a male screw 3 to tighten th...
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JP7066555B2 |
A radome assembly of an aircraft includes a shell having an elongated shape wherein the shell defines a first opening having a diameter of a first dimension and is positioned within a first end portion of the shell. The shell defines a s...
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JP2022070080A |
To provide a joint structure that is less likely to loose.A joint structure includes: a connection member 20 for connecting a first member (member 12) and a second member (member 14) which are disposed while having a space V1 therebetwee...
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JP7063786B2 |
A spring device (4) comprises a plurality of disc springs (42) accommodated in a cylindrical body (41), and a washer (43) that is urged by the plurality of disc springs (42). The washer (43) has a bottom-end part (43b) that withdraws int...
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JP7060189B2 |
To provide a bolt that can positively prevent looseness.Telescopic motion bolts (1, 2, 3, 4) comprise a movable part 1 having threads 1a to 1g at a cylindrical surface of a first slant-cut column having a first opposing surface S1 as a c...
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JP7059090B2 |
To provide a stopper member for axial component capable of preventing a shank part of an axial member such as a bolt and the like from being pulled out of a hole of the axial member arranging member having this axial member arranged ther...
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JP7058229B2 |
To provide a fastening tool that becomes hard to be loosened with a simple structure, and a fastening structure equipped with the fastening tool.A fastening tool attached to a screw portion 14 formed with a male screw part 14a winding in...
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JP7054490B2 |
To solve problems in many nut loosening prevention technology capable of reliably performing a loosening prevention function of a nut, in which the screwing initial operation for integrating the nut in a bolt is complicated and various p...
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JP2022052215A |
To provide a rotating shaft fastening structure which is easy in assembling irrespective of a manufacturing variation of a shape of an elemental component of the rotating shaft fastening structure, and can reduce wobbling in a radial dir...
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JP7046427B2 |
The staking bolt of the present invention includes a head 10 and a shank 11 having an external thread 12. At the upper end of the shank 11, a ring-shaped protrusion 20 and a ring groove 21 located closer to the head relative to the ring-...
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JP7045065B2 |
To provide a fall-off preventing tool capable of preventing a nut which is attached to a bolt, from being unfastened.A fall-off preventing tool 1 comprises a first coil spring part 2, a second coil spring part 3, a third coil spring part...
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JP7043995B2 |
To provide an electrical component capable of obtaining a stable effect for stopping looseness to a panel.A switch 10 includes: a main body 14 having a screw part 14f passing through an attachment hole 13 and projected to a back surface ...
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JP7043431B2 |
To provide a fastening tool that makes a nut hard to be loosened from a bolt with a simple structure.A fastening tool includes: a head portion 12; a bolt 10 that has a rod-shaped first screw portion 14 provided so as to extend from the h...
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JP7043432B2 |
To provide a fastening tool that becomes hard to be loosened from a screw portion with a simple structure, and a fastening structure equipped with the fastening tool.A fastening tool attached to a screw portion 14 formed with a male scre...
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JP7042748B2 |
Provided are a male thread and a thread-fastening structure with high resistance to loosening and with which further improvement of fatigue strength is possible. The present invention is configured so that: the angle near the crest of th...
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JP3236896U |
To provide a technique excellent in fastening strength, anti-stripping effect and loosening suppressing effect in a drill screw for a thin metal plate used for a thin metal plate having, for example, about 0.4 to 1.0 mm. A drill screw ha...
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JP7041493B2 |
[Problem] To enable, during the affixation of a member using a bolt and a nut, the fastening to be easily and efficiently performed. [Solution] An insert nut 10 is provided with: a nut body section 11 having a hole which extends in the d...
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JP7040142B2 |
To provide a looseness prevention nut high in looseness prevention effect in a simple structure.A nut 1 comprises a locking member 3 fixed to an end surface in an axial direction of a nut body 2. The locking member 3 has an annular base ...
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JP7032870B2 |
A method, a composite joint, and a composite tank are presented. The composite tank comprises a curved wall, a plurality of shear fittings, and a plurality of bolts. The curved wall has an opening. The plurality of shear fittings is thre...
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JP7032854B2 |
To provide a device with an adjustment bolt capable of preventing illegal extraction of a cover for preventing alteration of an adjustment position of the adjustment bolt.In a device with an adjustment bolt including a bolt attachment wa...
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JP7028321B2 |
A variable flow rate valve mechanism includes a valve including a valve body and a valve shaft projecting from the valve body, a lock member fixed to the valve shaft at a position axially spaced from the valve body, an attachment member ...
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JP7028614B2 |
A fastener system (100) includes a fastener (102) including a fastener first end (108) and a longitudinally opposed fastener second end (110), and an anchor (104) configured to receive and capture the fastener (102) upon rotation of the ...
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JP7025295B2 |
To provide a fixing device capable of preventing loosening while obtaining axial force.A fixing device 16 includes a first nut 21, a second nut 22, a washer 24, twelve locking bolts 25, and three axial force bolts 26. The first nut 21 is...
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