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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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JP7023493B2 |
To provide a piston device enabling reduction in sealing characteristic, valve leakage and poor operation and the like to be hardly produced and further enabling a whirl stop of bolt to be carried out under a relative easy manner at a lo...
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JP7020877B2 |
An assembly comprising first (30) and second (32) structural elements having aligned holes, a fastener(34) that occupies at least respective portions of the holes without a surrounding sleeve, and a mating part (36) that is coupled to th...
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JP7014395B2 |
A relative rotation prevention structure for preventing relative rotation of a screw having a threaded section with respect to a counterpart member, the relative rotation prevention structure being equipped with: a counterpart-side displ...
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JP7017682B1 |
To provide a bolt which assists screwing and loosening prevention of a push-in bolt having a conical shape in a head portion and a lower neck portion. This bolt is fastened to an object with a left screw under the neck, a push-in bolt ha...
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JP7016204B2 |
To provide a locking fastening structure capable of reinforcing locking action through synergistic action with a washer even with simple, inexpensive constitution even if a bolt member or nut member is to rotate in a loosing direction ow...
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JP7011852B2 |
To make a female screw and a male screw of a looseness preventing ring closely adhere to each other in not only load side flanks but also loose side flanks, to exhibit large looseness preventing action stably.On the outer periphery of a ...
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JP7012035B2 |
To provide a fastening tool that makes a nut hard to be loosened from a bolt with a simple structure.A fastening tool includes: an LR bolt 10 that has a rod-shaped first screw portion 14 provided so as to extend from a head portion 12 an...
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JP7008320B2 |
To provide a member fixation mechanism capable of simply preventing looseness.A member fixation mechanism comprises: a shaft part 2 configured to be capable of being disposed in a member to be fixed 6; a movable member 4 capable of movin...
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JP7002051B2 |
To provide a mounting tool with coming-off prevention washer for preventing a fastening member from coming off.A coming-off prevention washer 30 includes a shaft hole 34 which is communicated with an insertion part 25 in a mounting body ...
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JP6998621B2 |
To provide a carrier and a caster slipping-off prevention structure which prevent slipping-out of a caster shaft from a carriage frame and enhance safety.A carrier comprises a carriage frame 12 and a caster 13 mounted on the carriage fra...
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JP2022013527A |
To satisfy a requirement that a mechanism and a necessary component which are adapted to the attachment of a bolt and a nut in all directions, and can cope with vibration from all the directions should be remodeled while solving a proble...
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JP2022506522A |
This application is intended to protect the applicant's HYTORC® Z system. The system includes tools with multi-speed / multi-torque modes with torque multiplication and vibration mechanisms that do not use outer reaction contacts and fo...
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JP6996747B2 |
A novel screw-fastening assembly having anti-loosening capabilities includes a first and a second screw elements 11,12 adapted to be screw-fastened; the element 12 includes a recess R, the recess being open toward the element 11; and the...
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JP2022007691A |
To provide a turning mechanism, a steering unit, and a caulking decision method for the turning mechanism capable of keeping quality at a certain level.An overlap part O where an opening part 43 of a housing and a retainer 70 overlap in ...
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JP6979362B2 |
To prevent looseness without generating any abrasion at a fastening screw and in addition, to enable a worker to confirm it easily that a sufficient fastening force is realized.A beam clamp 10 having a pair of arms 12a, 12b that can be o...
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JP2021183865A |
To provide a lock nut having an improved fastening effect of a nut when fastened to a bolt while reducing manufacturing cost with a simple configuration and facilitating operation.A lock nut 1 of the present invention includes: a first n...
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JP6974811B1 |
To provide a fastening member capable of preventing loosening of bolts and nuts. A bolt 1 having a head portion 11 and a screw shaft 12 and a locking fastener 3 for preventing loosening of a nut 2 screwed to the bolt are provided, and th...
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JP3235071U |
To provide a seismic isolation rubber washer in which a lock pin, a lock pin bolt and a lock pin nut are firmly tightened to prevent loosening and disengagement. A seismic isolation rubber washer 1 is mounted between a lock pin 4 and a l...
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JP6960171B2 |
To provide a looseness prevention structure of a fastening mechanism by a bolt capable of achieving looseness prevention.A looseness prevention structure of a fastening mechanism is composed of: a bolt body; a plate support part for pene...
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JP6960611B2 |
A locking device adapted to lock a shell to an installation body includes a thread connection member extending through a connecting hole in the shell and engaging a threaded hole in the installation body, a sealing ring sleeved on the th...
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JPWO2020129459A1 |
An object of the present invention is that no sagging occurs between application to the bolt and drying, and when the nut is tightened with water attached to the processed bolt after drying, the resin does not peel off from the interface...
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JP2021175909A |
To provide a nut attachment structure near a welding part which can inhibit deformation of a screw part by welding heat even if a distance from a welding part to a nut is short and minimize an attachment space in a nut height direction t...
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JP6956983B1 |
To provide a bolt / nut fastening structure which can be easily released and the bolts / nuts can be reused as much as possible when it becomes necessary to release the tightening. An external tooth wheel portion 20 having an external to...
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JP6957225B2 |
To surely fasten a fastening bolt to a fastening plate.A fastening bolt 10 has a head part 11, a screw part 12 and a cylindrical part 14 interposed between the head part 11 and the screw part 12. On a bottom surface 11a of the head part ...
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JP3234710U |
To prevent a situation in which a nut slips and shifts in position when the nut meshes, and to secure a maximum coaxiality when assembling an upper nut and a lower nut, satisfying from safety to vibration resistance effect. We provide a ...
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JP6954324B2 |
To provide a connection joint of steel pipes capable of exhibiting an enough function of preventing reverse rotation, and preventing rotation by having an adjusting allowance in the circumferential direction of a male joint and a female ...
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JP2021165587A |
To provide a double nut type looseness prevention nut in which a screw fastening body is prevented from being loosened and which is adaptable to any type of bolt and of which molding is facilitated.A looseness prevention nut is constitut...
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JP6949676B2 |
To provide an adhesive composition faster in drying time than an aqueous solvent, using ethanol lower in toxicity than methanol, and capable of using a vinyl acetate polymer large in cohesive energy of polymers each other and high in pol...
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JP6944913B2 |
To solve a problem of loosening between a bolt and a nut in a mortise used in a wooden building due to drying of wooden parts.A nut retightening device for a mortise includes a flat-spiral spring 9 that automatically tightens looseness o...
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JP6943363B2 |
To provide a technique for easily and stably mounting an exterior member to a side face of a building without being affected by a change with year of the building, when the exterior member is mounted to a fitted part on the side face of ...
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JP6938816B2 |
Thread profiles providing multi-point contact improving the vibration resistance of the threaded fastener, and thereby greatly reducing the need for fastener coatings, such as nylon patches. In various embodiments, the threaded faster ma...
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JP6934161B2 |
[Problems]To provide a fastening structure that does not loosen in a fastened state but can be easily loosened for maintenance, and allows reuse of bolts and nuts.[Solution]It is a fastening structure inserting a threaded rod of 11a a bo...
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JP6935679B2 |
To provide a screw fixing structure of a lid and a body.A first member, i.e., one of a lid or a body, has a nut housing part, and a second member, i.e., the other of the lid or the body, has a screw support part for supporting a screw. T...
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JP6931470B2 |
To provide a fastening member which is not easily loosened.A fastening member includes: a first bolt 100 in which a spiral thread for a nut threadedly engaging therewith is formed by a difference between an inner diameter and an outer di...
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JP2021120574A |
To provide a fastener which can be easily detached from an attached part during decomposition work for recycle, and a fastening structure configured using the fastener.The present invention includes: a fastening member 20 buried in a res...
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JP2021120591A |
To provide a loosening stopping device for nut such that a loosening stopper for a nut mounted onto a bolt can be easily formed with a simple structure.A loosening stopper 1 for fastening a nut comprises a coil part 3 of a coil spring 2 ...
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JP2021519403A |
To provide a nut which does not increase the piston volume and also does not require a change of a screw and a piston even when the geometric shape of the nut is changed. A vertical end of a nut forms at least one blocking surface that f...
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JP6912545B2 |
A pipe-fitting includes a plurality of pipe receiving portions, a hollow joint for connecting the plurality of pipe receiving portions to each other, a sealing member received in a sealing member-receiving groove, and a plurality of holl...
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JP6912643B1 |
To improve fastening strength and anti-loosening effect while simplifying a structure in a fastener for fixing a soft material such as a heat insulating material to a base material such as a deck plate. A fastener is composed of a screw ...
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JP6910211B2 |
[Problem] To provide a spring element that can be used repeatedly even in a high-temperature environment exceeding 1000°C, has high torsional rigidity that enables a large load to be supported, and can be used as a spring washer. [Solut...
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JP2021105444A |
To provide an anti-loosening device that exhibits an anti-loosening effect by eccentric interdigitation of convex parts 22 of a nut 2 and concave parts 32 of a nut 3, and reduces an amount of inclination of the nut 3 relative to the nut ...
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JP6907017B2 |
To efficiently manufacture construction hardware whose tip is sharpened and which improves digging efficiency, by a press.The present invention relates to construction hardware 50 comprising a nut shaft 7 matching a shaft core 5 on one f...
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JP6901516B2 |
In a suspension for a vehicle including a pre-load adjustment mechanism, the pre-load adjustment mechanism includes a pre-load controller and an intermediate member, the pre-load controller being arranged at one end portion and receiving...
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JP6901260B2 |
To provide a lock nut enabling two kinds of nuts to be integrally engaged in thread, facilitating management of the nuts and enabling their efficient work to be attained.A lock nut comprises two kinds of nuts having similar thread holes,...
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JP6903650B2 |
An anaerobically curable composition comprising an anaerobically curable component that is a combination of a solid resin component and a solid anaerobically curable monomer. A curing component for curing the anaerobically curable compon...
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JP6903906B2 |
To provide a coming-off prevention structure, a driving force transmission device, and a manufacturing method of the driving force transmission device capable of reducing assembling man-hour and the number of components.In a coming-off p...
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JP6898702B2 |
The invention relates to a screw element for the connection of tubes, preferably motor vehicle lines. A threading and at least one contact surface without threading are provided on the screw element. The screw element has an outer coatin...
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JP2021099156A |
To reduce the amount of inclination of a nut 20 with respect to a nut 10 in a fastened state in a loosening prevention device in which a loosening prevention effect is produced by eccentric fitting of a protruding part 12 of the nut 10 a...
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JP6894562B1 |
To provide a male screw member capable of supporting a plurality of types of fastened members having different thicknesses, and a method for manufacturing the male screw member. The male screw member is a male screw member screwed into a...
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