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JP7424687B2 |
[Problem] To provide an anti-loosening bolt having excellent fastening workability. [Solution] An anti-loosening bolt according to the present disclosure has a screw shaft 1 having an outer circumferential surface on which a male screw t...
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JP2024006484A |
An object of the present invention is to provide a clamping device that can reliably prevent loosening by preventing reverse rotation of a screw body, for example, by preventing rotation in a direction that loosens the screw body. [Solut...
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JP7413529B2 |
A disassembly-prevention nut assembly (100) and an air conditioning system are provided. The disassembly-prevention nut assembly (100) is used to fix a first connection pipe (201) and a second connection pipe (202). The disassembly-preve...
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JP7412206B2 |
A cylindrical part of a rack retainer accommodation part and an adjust screw are caulked such that a plastic deformation region by caulking straddles both a female screw part of the cylindrical part and a male screw part of the adjust sc...
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JP7411864B1 |
[summary] [Problem] The screw itself has a mechanism to prevent it from loosening, so there is a high possibility that it will loosen even without using a nut. Provide smaller screws. [Solution] A first male threaded portion 11 on the di...
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JP7411472B2 |
The present invention obtains an adequate shock absorption effect. The present invention is provided with a support part 5 that supports a shield member 2 and a securing part 50 that secures the shield member 2 to a structure 4 through t...
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JP7410384B2 |
To provide a double nut capable of connecting a component stably, and capable of being easily removed even in a case where fastening torque increases over time.A double nut that can be screwed into a bolt for connecting a component, comp...
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JP7406910B1 |
The present invention provides a bolt and nut set that does not loosen. [Solution] Notches and grooves are added in the axial direction of the nut 1 and washer 3, and the rotation of the nut and washer is synchronized by making them enga...
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JP7403804B2 |
To provide a harvesting machine which can achieve reduction of a burden of a worker.A harvesting machine includes a crawler 14 serving as a travel device at its lower part. The crawler 14 has: an idler 133 that is a rotary member which g...
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JP7403170B2 |
To provide a locking nut which can accurately position two nuts in a circumferential direction to prevent looseness of both nuts without fail, has a simple structure, and can achieve low manufacturing costs.A locking nut 1 according to t...
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JP7402512B2 |
To provide a lock nut capable of preventing a connection state of a pair of rod materials from being released in an undesired manner, and a lock structure of a joint rod using the lock nut.A lock nut 50 is composed of a first nut 52 havi...
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JP2023181155A |
To inhibit loosening of a nut threadedly engaged with a bolt.In the invention, at a fastener 1 comprising a bolt 2 and nuts 3, 4, a first screw part 9 for threadedly engaging with the first nut 3 is formed at a base end part (a head) sid...
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JP7399512B2 |
To provide a means which performs reverse rotation prevention of high screw fastening mechanism, that is, reliable locking of the screw fastening mechanism and, at the same time, makes a position engageable with the screw fastening mecha...
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JP7398298B2 |
Provided is a bolt that is unlikely to break, in a lockbolt with which tightening jobs can be carried out simply and quickly, and which yields a strong and reliable anti-loosening effect.　Provided is a non-loosening bolt comprising a f...
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JP3244958U |
[Problem] To provide an automatic fixing screw that does not require a steel pin. A self-fixing screw includes a screw body 1 with an internal threaded hole and at least two grooves, combined with a bolt 3, and includes a fixing screw 2....
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JP7397495B2 |
To provide a bolt structure with anti-fatigue and anti-loosening functions, which is unprecedentedly safe and reliable by applying a bolt having excellent fatigue strength with a characteristic of being hard to loosen with a simple mecha...
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JP2023175593A |
To provide a looseness prevention nut in which a tapered small-diameter part is formed by a biting part of a tap to improve insertion performance of a bolt, and that can secure a fastening force.A looseness prevention nut is a nut in whi...
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JP7395697B1 |
An object of the present invention is to provide a nut in which proper tightening torque and loosening prevention torque can be set separately, and the loosening prevention torque can be made equal to the proper tightening torque at the ...
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JP2023551574A |
The invention is an ornament having a system (7) for connecting two parts (5, 6) of at least one part (3, 4), passing through each part (5, 6), It relates to an ornament comprising a screw (8) and nut (9) assembly intended to press two p...
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JP2023172691A |
To provide a looseness prevention tool capable of stopping the looseness of a bolt which fixes a footstep of a passenger conveyor.A bracket includes a first surface fixed to a bearing with a bolt and a second surface vertically disposed ...
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JP2023170745A |
To provide a fastener capable of maintaining high fastening strength between a bolt and a nut over a long period of time and allowing easy release of the fastened state as needed.A fastener 1 comprises a nut member 3 and a bolt member 2....
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JP2023170746A |
To provide a fastener capable of maintaining high fastening strength between a bolt and a nut over a long period of time and allowing easy release of the fastened state as needed.A fastener 1 comprises a nut member 3 and a bolt member 2....
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JP7387055B2 |
The present application provides a quick-change lock assembly, comprising: a shell with a hollow cavity formed therein; a quick-change bolt which is arranged in the cavity, is capable of moving axially to protrude from the cavity or bein...
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JP2023167642A |
To provide a nut which is expanded in an inside diameter of a nut segment when moving a bolt in both directions of a bolt push-in direction and a bolt withdrawal direction without rotating the bolt and the nut.A nut includes: a pair of n...
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JP7385917B2 |
To provide a coupling which is superior in loosening stop effect.A coupling J comprises a ratchet mechanism R that consists of a first member J1 having a first connection part S1 and a second member J2 having a second connection part S2 ...
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JP7385656B2 |
A fastener includes a shank having a first end and a second end. The fastener also includes a thread provided on the shank, the thread including a first region having a first thread angle and a second region with a second thread angle, a...
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JP7381450B2 |
A lock device for a coupling part of a piping or valve of a raw-material container or the like, capable of preventing looseness and erroneous operation of a coupling, and having favorable stability because the device is fixed as a force ...
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JP7381025B1 |
The present invention provides a connection structure for steel pipe members and a method for connecting steel pipe members that eliminates the need for on-site welding work. [Solution] The first coupling member includes a first coupling...
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JP7378343B2 |
To provide a piston rod assembly which can stabilize the attachment quality of a bracket to a piston rod, a shock absorber, and a manufacturing method of the piston rod assembly.A piston rod assembly 20 for use in a shock absorber has: a...
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JP2023158747A |
To provide a fastener having no risk of collapsing threads, easily and properly bringing about a fastening state, and excellent in a loosening prevention function.A fastener comprises a bolt 10, an auxiliary member 20 and a nut body 30. ...
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JP7370855B2 |
To reduce cost and facilitate execution in a device that detects looseness of a rotating fastener when the rotating fasteners have different size.A looseness detection device comprises: a mediation member having an engagement part that i...
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JP2023155104A |
To reduce looseness under a strong vibration environment, and to improve a lock effect.A lock nut with a taper ring and a method of attaching/detaching a lock nut are disclosed. The lock nut with the taper ring includes a nut body, and a...
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JP7366134B2 |
The present invention relates to (meth)acrylate-functionalized waxes and curable compositions, such as anaerobic adhesive compositions, made therewith.
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JP7366039B2 |
A nut is prevented from turning during screwing by a body attached to one of the parts to be tightened by rivets. The body prevents the nut from rotating via a ring coupled without clearance with the nut and coupled with radial clearance...
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JP7360211B2 |
To provide a means which performs reverse rotation prevention of high screw fastening mechanism, that is, reliable locking of the screw fastening mechanism and, at the same time, makes a position engageable with the screw fastening mecha...
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JP2023145885A |
To provide a nut not loosened even in a wide range of temperatures.A nut 10 screwed with a male screw rod is configured to comprise (a) a body part 12 in which a female thread is formed, (b) a sleeve 16 that is integrally formed with the...
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JP7352927B2 |
To produce a screw that is less likely to loose while not significantly increasing cost more than ordinary screws at equivalent cost.A bolt is partially cut at a bolt lateral face to form a cut-shape clearance in the cut part. A tapping ...
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JP7353240B2 |
To create a screw less likely to loosen which does not cost more than a normal screw and resolves demerits because some conventional looseness preventing screws prevent loosening by performing special processing of a washer and a nut, si...
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JP2023131204A |
To provide a technique that can downsize a vehicle height adjustment structure.A vehicle height adjustment structure 40 comprises: a supporting member 50 comprising a cylindrical first cylinder part 53 supporting a lower end part 42 of a...
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JP2023130557A |
To provide a nut for a half-threaded bolt which has no risk of the collapse of threads, can easily and properly bring about a fastening state, and is high in a locking effect.A fastener is constituted of a half-threaded bolt, an auxiliar...
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JP2023130145A |
To provide a panel supporting device which is excellent in safety and suppressing a reduction of operation efficiency in construction.A panel supporting device used for a frame on which a panel is established has a rail 202 formed in a l...
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JP7346215B2 |
To provide a clamp device capable of preventing the lowering of fastening force after fastening.A clamp device 1 includes a gripping member 10 having a plurality of circular open/closed parts 20-22 which are wholly annular and turnably c...
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JP2023124746A |
To provide a fastening structure that has a simple structure, has no looseness and can be recycled when tightening or joining a bolt, a rod material and a pipe material formed by crossing right-handed screws and left-handed screws on the...
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JP7337376B2 |
To provide a double nut mechanism etc. that can obtain an extremely great locking force without decreasing an axial force of a bolt member.A double nut mechanism comprises: an inner nut member 14 screwed to a bolt shaft part 17 of a fast...
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JP2023120993A |
To provide a novel fall prevention tool.A fall prevention tool is composed of one coil wire, and has a coil spring part, first and second extension parts extending outward from both ends of the coil spring part, and first and second grip...
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JP2023119354A |
To realize a cargo chamber with high quality in which a resin-made board is used for an interior material of a side wall.In a side wall structure of a truck cargo chamber in an embodiment, an interior material, which forms an inner surfa...
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JP7332356B2 |
To provide a rolling tool which can streamline the work of mounting a die on a base.According to a rolling tool 1, engagement of a male thread part 21 and a female thread part 13b is used, so that when rotating a pin 20 (head 23) by the ...
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JP2023115658A |
To provide a nut for a half-threaded bolt that easily and appropriately creates a fastening state without risk of crushing the thread, and has high looseness prevention effect.A nut for a half-threaded bolt is configured such that a bolt...
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JP7329195B2 |
The present invention is configured so as to provide mutually different positions for: a plurality of through-holes 26 in a first engaged state in which a locking protrusion 25 engages with a first key groove 21 that is in a first overla...
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JP3243263U |
An object of the present invention is to provide a male threaded member that has a locking function and also has reduced resistance during tightening to improve workability. A male threaded member (10) having a screw thread (13), the mal...
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