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JP2021095962A |
To solve the problem that although there are anti-loosening screws, all materials including female screws and male screws are made up of custom products, so their costs are extremely high and they are not convenient.An existing anti-loos...
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JP6892892B2 |
Provided in the context of a bolt is a method for achieving antiloosening capability such as will make it possible for tightening operations to be carried out easily and rapidly, and such as will make it possible to obtain antiloosening ...
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JP6892046B2 |
The invention provides a fastening member capable of preventing rotary loosening and non-rotary loosening. An external thread tooth (22) of the fastening member (1) are arranged at a top (221) side, the inclination angle of a ridge line ...
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JP6887290B2 |
To inhibit a tapping screw portion screwed into a mounting hole of a housing from rotating in a loosening direction in an on-vehicle part with a base end portion of a stud bolt buriedly fixed to the housing.With respect to a tapping scre...
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JP6888088B2 |
The present invention provides a bracket support structure capable of preventing a fixing bolt from being loosened over time to remove need for periodic inspection work on loosening of the fixing bolt or increase an interval for performi...
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JP6885552B1 |
To provide an elastic piece capable of preventing loosening of a fixture. In particular, with a fixture loosening prevention member provided with a gripping member that grips the rod-shaped support by tightening with bolts and nuts, such...
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JP6885625B2 |
To provide a screw capable of attaining improvement in fastening force to member to be fastened, without increasing the burden of a fastening work to the member to be fastened.A screw (1) comprises a screw head (4), a screw shaft (5) tha...
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JP3232253U |
To provide a grip nut which prevents an inner nut from falling off and obtains an effect of preventing loosening. An inner nut tapered surface 12 is provided on an outer peripheral surface of an inner nut 10, and the diameter is increase...
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JP2021085494A |
To provide a nut capable of being prevented from loosening in comparison to conventional nuts, with a single nut that can be fastened with the same work as conventional nuts and can be used anywhere.In a looseness prevention nut in which...
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JP2021080958A |
To provide a fixing structure suppressing creep deformation and the looseness of a fastening member to vibrations, and improving fixing holding force.A fixing structure 1 is equipped with a stator 2, a housing 3 having an opposite surfac...
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JP6877240B2 |
To provide a swing type check valve capable of forcibly regulating rotation of a disc relative to an arm even in any valve opening state from a valve closing state to a full valve opening state, without machining the disc and needing a n...
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JP6871595B2 |
To provide a double-screw structure in which a general specification first screw and a special second screw which is formed by deforming a multiple-thread screw at a thread of the first screw with a lead different from that of the first ...
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JP6870136B1 |
To provide a double nut which has excellent on-site workability in construction using a resin double nut, is lightweight without rusting, and can suppress the construction cost by good workability. To do. The resin double nut 1 is compos...
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JP2021067228A |
To provide a rotary compressor which can suppress loosening caused by vibration and settling, and has an inexpensive spring guide, and an attachment method of the spring guide.A rotary compressor 100 having a sealed vessel 10, an electri...
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JP6865478B1 |
To provide a fixture capable of preventing loosening of a nut after fastening and preventing rotation of a bolt and a nut at the time of fastening or loosening. The fixture is a fixture composed of a bolt 1, a nut 2a, and a pin 3a, and t...
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JP2021060064A |
To provide a washer, a nut and a member connecting structure which can fasten even a sharp instrument, a tool, an apparatus or the like having a structure whose connecting part is easily loosened.A shaft insertion hole 6 is formed at a w...
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JP6857897B2 |
To provide a plate material with a screw hole, capable of achieving an effective locking action while retaining a prescribed plate thickness in a fastening structure of directly forming a female screw on the plate material, and to provid...
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JP2021050818A |
To provide a nut which can prevent that a bolt and the nut are loosened while rotating due to a natural environment, vibration or the like.A nut is used as a double-nut. A nut part can be manufactured by punching four steel plates. Also,...
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JP2021050774A |
To provide a fixture which has durability under an environment where a large temperature difference occurs between use environments, in particular, a high temperature environment, prevents a nut from loosening from a bolt, and enables ea...
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JP6850147B2 |
To improve unfastening workability and threading workability of a lock nut.The present invention relates to an unlock member 1 that can be mounted in a lock nut 10 configured by disposing a coil spring 11 that can be threaded with a male...
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JP2021046939A |
To prevent a bolt and a nut from being loosened after being tightened.A pierced bolt and a nut include a pierced bolt head and a pierced nut so as to be driven with a nail, a screw or the like into them, thereby completely preventing the...
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JP2021046885A |
To make a fixing member hard to loosen, in a fixing structure.A fixing structure S has a first fixing member for fixing a component B of a vehicle to a member A of the vehicle, and a second fixing member 2 for regulating the movement of ...
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JP6846828B2 |
To provide a screw fastening body for fracture resistance using nuts and bolts with excellent fatigue strength, and provide a screw fastening body for fracture resistance that is hard to loosen with a simple mechanism and excellent in sa...
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JP6832662B6 |
To achieve proper fastening by suppressing a deterioration in beauty improved by a sheet, when a plate, on which the sheet is stuck, is fastened.A fastening kit for fastening a plate having a resin sheet stuck on a surface according to o...
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JP6842017B2 |
To simplify a constitution of a nut and improve easiness in use of the nut formed with an opening part at a thread part of a component to cause a threaded hole to be engaged from its side part.A nut 10 is a nut in which an opening part 1...
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JP3230995U |
To provide a medium bolt connecting structure for a steel structure building capable of enhancing the durability performance of a medium bolt in which a strong detent is realized by an optimum combination. The center bolt connecting stru...
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JP6838823B2 |
To provide a hole-in anchor instrument which can prevent pull-out of a body from a concrete skeleton and loosening of a bolt, can change a bolt length after a hole-in anchor has been placed, and is excellent in flexibility of constructio...
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JP6839168B2 |
An assembly includes a securing stud held by a locking key that rotates with the stud and is provided with bearing surfaces for sitting on an edge of one of the parts to be assembled.
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JP6832308B2 |
To perform loosening prevention for a nut member to a male screw part of a stationery side housing.A travel device 11 comprises: a stationery side housing 12; a hydraulic motor 14; a rotary side housing 17; bearings 19, 20 which are prov...
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JP6830601B2 |
To provide a seal structure of a high pressure container capable of maintaining perfect sealing without recharging gas over a long period, and capable of preventing a lid from being pushed out at a mouthpiece part by pressure for the atm...
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JP2021017966A |
To provide a nut looseness prevention structure that can be readily removed and changed after being fastened and prevent a nut from being loosened simply and inexpensively for a fastening part between existing screw and nut, and to provi...
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JP2021014910A |
To provide a fastening confirmation device which does not cause the lowering of a fastening force of a nut with respect to a bolt, can reliably prevent the forgetting of the fastening of the nut, is easy in manufacturing, and simple in f...
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JP2021008897A |
To provide an anti-loosening method capable of performing a clamping operation simply and quickly in nut and, moreover, providing a strong and reliable locking effect.A nut disclosed herein is composed of a first nut 11 and a third nut 1...
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JP6815967B2 |
To exert an inexpensive and high anti-loosening function in a fastener by providing a bolt and a nut.An anti-loosening structure 100 for preventing loosening in a fastened state in a fastener 7 including a bolt 1 having a through hole ex...
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JP6815482B2 |
A fastening member according to the present invention is a fastening member including a head portion and a shaft portion including a screw thread formed therein; the shaft portion includes a main body portion, and an outer peripheral por...
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JP6813890B2 |
It is made possible to give prevailing torque to an adjustment bolt in a simple manner without troublesome adjustment work. An anti-loosening adjustment bolt assembly includes: a cylindrical pipe (6) adapted to be fitted on the screw sha...
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JP6813821B2 |
To enable a nut fitted installing part 6a to be fitted and inserted and set in which an oscillating operation can be carried out from starting of insertion position to its finishing position in regard to a hanging bolt 2 under a state in...
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JP2021001692A |
To provide a metallic locking washer that can not only increase the friction force between contact faces, but also preserve opposing elements on which the contact faces bear.A metallic locking washer (10, 20, 20') is intended to be mount...
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JP6810705B2 |
A screw assembly includes a longitudinal component (10) having two opposite ends and a threaded part (12; 42; 66) so that it can be connected by screwing to one of two elements (34). An elastically deformable member (18, 20; 48; 82) is a...
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JP6809669B2 |
To provide a locking nut effectively suppressing variation of a prevailing torque, and having such high reliability as to obtain a demanded stable locking effect always and accurately.A locking nut comprises a hexagonal nut body 3 having...
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JP6810520B2 |
To surely prevent an idling phenomenon caused by crushing a female screw of a member even when threading a machine screw into a weak substrate like ALC with strong torque.A fastening device 5 consists of a metal fitting 6 and a machine s...
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JP2020202982A |
To change a thong of a wooden-clog simply and quickly, which has been a troublesome operation, because knotting or the like requires skill.An embedded nut 1 having a notch 2 on a side face, and a bolt 3 having a conical or round tip part...
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JP2020204343A |
To provide a screw fastener that is hard to loosen as compared with conventional screws, and rich in flexibility.A pair of recessed grooves 8a, 8b along a spiral line are formed in parallel between a mountain-side part and a valley-side ...
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JP6805466B1 |
To provide a locking nut which has good work efficiency when screwed into a bolt and is easy to manufacture in large quantities at low cost. A locking nut 1 has a female screw hole 4a screwed into a male screw portion 2a of a bolt 2 on a...
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JP6803632B1 |
To provide a seizure prevention fastener in particular, which belongs to the technical field of a fastener. The bolt 1 is composed of a nut 3 having a stopper and an accommodating groove, and two nuts of a nut 2 having a pressure receivi...
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JP6804387B2 |
To provide a fixing mechanism and a mechanical seal capable of suppressing separation of a screw member for fixing a sleeve to a rotating shaft.A first annular member 110 includes an annular body portion 110A, an annular projecting porti...
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JP2020197236A |
To provide a looseness prevention method capable of performing nut fastening work simply and promptly, and further capable of obtaining a firm and reliable looseness prevention effect.A loose-proof nut is composed of a first nut 11 and a...
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JP2020193654A |
To provide a washer for making the fastening of screws difficult to be loosened, and screws with washers which are attached with the washers prevented from falling off.Protrusions are formed at the outside of a shaft insertion hole being...
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JP2020189515A |
To provide nut loosening prevention means which is easily assembled in a bearing device for a wheel in which a hub unit and a constant velocity universal joint are coupled.A bearing device 80 for a wheel includes: an outer member 11 in w...
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JP3229100U |
To provide a bolt and nut for fastening which can be mainly used for a pipe clamp for temporary construction. A bolt 9 having a mounting portion 14 at one end of a screw shaft portion 15, a nut 12 screwed into the screw shaft portion 15,...
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