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JP6791943B2 |
A threaded fastener (10) useful for fastening soft materials over an extended period of time includes a washer (16) having outwardly extending arms (46) received in axially extending channels (52) in an object (60) to be fastened, and a ...
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JP2020186735A |
To actualize easy assembly of a rotation preventing member for preventing the loosening of a nut which fixes a constant velocity universal joint to a wheel bearing device.The wheel bearing device includes an outward member 11 formed with...
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JP2020532684A |
The present invention relates to a vibration-resistant nut kit, which comprises an upper nut and a lower nut, and an elliptical columnar convex portion is installed on the end surface of the upper nut, and on the upper end surface of the...
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JP6784374B2 |
To provide a falling-out preventing tool which easily confirms a fastening degree.A falling-out preventing tool 1 comprises a first coil spring part 2, a second coil spring part 3, and a third coil spring part 4. The second coil spring p...
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JP2020180651A |
To provide a looseness prevention bolt and a member connection structure capable of easily fastening a bolt with no a tool locking part to a head part, preventing damage to a member in fastening, and preventing looseness after the fasten...
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JP2020169018A |
To improve a bracket assembly, and a method for attaching the bracket assembly, in particular, mounting a bracket unit to a vehicle component.An attachment portion (10) for attaching a bracket unit (1) is provided on an attachment zone o...
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JP6767010B2 |
To provide a falling prevention tool capable of restricting its excessive rotation when the falling prevention tool is installed at a bolt.A falling prevention tool 1 comprises a first coil spring part 2 having a coil element wire wound ...
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JP6765376B2 |
A wedge locking washer has a central axis, a central through hole defining an inner peripheral axial surface, an outer peripheral axial surface, a first side surface adapted to face and engage another wedge locking washer. The first side...
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JP2020159516A |
To provide a fixing structure of a resin member which can inhibit displacement and looseness of a resin member in a more reliable manner.A fixing structure 1 of a resin member 10 sandwiches the resin member 10 with a bolt 20 and a fasten...
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JP2020159363A |
To provide a further suitable screw loosening prevention structure.In a screw loosening prevention structure, a screw 1 comprises: communication grooves 12 which are formed so as to penetrate the screw 1 along an axial direction of the s...
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JP2020159362A |
To prevent the rotation of a screw member to a loosening direction caused by rotation, vibration or the like by a simple constitution.A whirl-stop member for whirl-stopping a screw member arranged at one end side of a first member when c...
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JP2020159524A |
To provide a looseness prevention device for a screw component capable of suppressing looseness of a screw component.A looseness prevention device for a screw component comprises: a rotation part that has a fitting part that can be fitte...
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JP6764162B2 |
To apply a sufficient axial force to a bolt by presenting a sufficient frictional force even in a state where a fastening force between members is a little, and preventing the members from being rotated together when fastening the bolt.A...
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JP6762591B1 |
To suppress an amount of inclination of a nut 20 with respect to a nut 10 in a fastened state in a loosening prevention device which exerts a loosening prevention effect by eccentric fitting of a convex portion 12 of the nut 10 and a con...
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JP2020153211A |
To provide a height adjustment floor support metal fitting capable of supporting a floor construction of a building on a foundation stably and restricting a looseness of a high nut for a height adjustment in a long term use without restr...
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JP6758007B1 |
To provide a connecting member which can greatly reduce a burden on an operator by making it possible to stably fix a tray floor and facilitate the work thereof. A connecting member for fixing a tray floor T of a distillation tower, whic...
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JP6757101B2 |
To provide a looseness prevention fastening structure capable of increasing looseness prevention effect because of synergistic effect with a washer, even with simple and inexpensive configuration, even in a case where a bolt member or a ...
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JP2020143781A |
To prevent loosening of a bolt and a nut in a fastening state, and to easily loosen them in maintenance.A lock washer 1 disposed between a nut 4 and a mounted object includes two washer members 11 of the same shape. Each washer member 11...
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JP2020139570A |
To provide a rolling bearing for an insert bearing unit which can exert a retention effect of a setscrew without increasing the number of part items, and also without causing the complication of processing by devising a setscrew engageme...
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JP2020133875A |
To provide a connection structure of a tubular member capable of performing fastening and fixing simply while adding axial force to the tubular member.A connection structure of a tubular member comprises: a steel pipe 10 in which mountin...
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JP2020133648A |
To provide a fixture capable of facilitating attachment/detachment with respect to a rail, and reducing the weight of a rotation prevention member.This fixture is attached to and detached from a groove, and comprises: a base member 10; a...
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JP2020125849A |
To prevent rotation of a screw body in a specific direction with a simple structure.In a male screw body, a male screw side cooperation area, which is non-circular in a cross section, seen from an axial direction, is formed. A washer (co...
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JP6744122B2 |
To cause screws or the like to be hardly loosened, protrusions to be easily formed and a die to be easily manufactured.One washer is set to a back surface of a head part of a screw so as not to be removed. There are provided several cont...
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JP6735658B2 |
To provide an identifiable clip capable of identifying the fact that a nut has been fastened to a bolt, capable of being used in a general-purpose product, and capable of properly preventing the nut from loosening.An identifiable clip 10...
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JP6735015B2 |
The invention provides a coat formation resin composition with little water for environment load and good adaptation, spiral conclusion feature and storage stability, and develop good effect when binding and locking. The formation of the...
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JP2020112263A |
To provide an anti-loosening fastening structure capable of enhancing anti-loosening effect by synergistic effect with a metal washer even when the structure is simple and a cheap price, and even if a bolt member or a nut member rotates ...
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JP6729427B2 |
To provide a technology that is effective for making a washer formed by a viscoelastic material less likely to be fallen from a screw body in a screw with the washer.A screw 1 with a washer includes: a screw body 10 having a cylindrical ...
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JP2020109312A |
To provide a fastening tool that becomes hard to be loosened from a screw portion with a simple structure, a fastening structure equipped with the fastening tool, and a fastening method using the fastening tool.A fastening tool in which ...
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JP6723539B2 |
To provide a dropout prevention tool capable of stably exhibiting a looseness prevention performance.A dropout prevention tool 1 comprises: a coil spring body 2; and a hexagon body 3. The coil spring body 2 includes: a first coil spring ...
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JP6724925B2 |
Provided is a mechanical joint in which packing is compressed and a seal is created between a body and a pipe by screwing a nut into the body, said mechanical joint comprising: teeth that are provided continuously in the circumferential ...
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JP6720831B2 |
To provide a bolt which is securely fixed even in a bolt hole in which shear force or a moment acts, and a fixing structure using the bolt.A bolt has a cylindrical thread portion on which a spiral groove is formed, a head portion formed ...
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JP6720679B2 |
To suppress the damage of a thread of a female screw part of a fastened component when the attachment and release of a screw component are repeated, in a fastening structure using the screw component.A fastening structure 100 comprises: ...
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JP6721000B2 |
To provide a washer with a whirl-stop function which can increase a fastening force while suppressing an increase of the number of members of a fastening structure, and a chain device with an attachment.A washer 47 with a whirl-stop func...
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JP2020101174A |
To obtain a structure having a retention function of a bolt, in a washer for pressing and fixing a second member to a first member.A washer 3 has a fastening part 9 fixed to a first member (compressor housing) 2 with bolts 8, and a press...
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JP6715455B2 |
In this male screw body, a male-screw-body-side coupling region is formed that has a non-circular shaped cross section when viewed from the axial direction. A washer (coupling member) has a through hole that is non-circular, and engages ...
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JP6715657B2 |
To prevent loosening of a bolt screwed into an insert.In a spring accommodating part 11b of a cap 11 forming an insert 3, a coil spring 12 is provided for preventing loosening of a hanging bolt 4 screwed into a female screw hole 10f2 of ...
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JP6705719B2 |
A washer-equipped screw is provided with a screw body, a flat washer, and a rubber washer. The screw body includes a cylindrical portion between a shaft portion on which a screw groove is formed and a head portion. A hole in the flat was...
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JP6704602B2 |
To provide a screw member capable of fitting an entire nut to a bolt and stably suppressing unfastening of the nut relative to the bolt.In a screw member 10 comprising a nut 11 and a bolt 12, a thread ridge pitch of the nut 11 is wider b...
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JP6702870B2 |
The present invention seeks to protect Applicant's HYTORC® Z® System which involves: tools having multi-speed/multi-torque modes with torque multiplication and vibration mechanisms without use of external reaction abutments; a force tr...
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JP6704212B2 |
To provide a post-construction anchor capable of preventing looseness of a screw and preventing slipping-out of a bolt at low cost.A post-construction anchor 1 is constituted of an interior body 2 having a female screw part 21 extending ...
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JP6705967B2 |
In order to achieve, with higher precision and reliability, a retaining effect as well as a rattling prevention effect in the axial direction on a shaft member (6), the present invention has a shaft receiving member (2) provided with a s...
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JP2020079625A |
To provide a fastening bolt for a resin member capable of suppressing looseness even in fastening to a resin member which generates only small fastening force.In a fastening bolt for a resin member which is fastened to a resin member, a ...
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JP6699086B2 |
To provide a bracket capable of preventing the deformation of a detent piece.A bracket comprises: a fastening part including a hole into which a bolt is inserted and a fastening surface in contact with a seating surface of the bolt; a de...
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JP6697143B1 |
To provide a knob screw loosening prevention mechanism capable of preventing loosening of a knob screw due to the action of vibration or an external force, easily setting / releasing a loosening stopper by a human hand, and easily manufa...
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JP6694616B2 |
To provide a nut fastening device for cross bolt and a nut fastening device for cross bolt capable of preventing a looseness of a nut when one nut is fastened against one cross bolt.A side surface 31 that is one of outer side surfaces of...
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JP2020070923A |
To provide a pressing-type screw capable of simplifying a fixing process in using a screw by utilizing a pressing-fixing method, as a result, working efficiency in the fixing process can be effectively improved.A pressing-type screw incl...
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JP2020070810A |
To provide a looseness prevention nut which enables fastening work to be performed easily and securely regardless of an extra length of a bolt.A looseness prevention nut 1 includes: a hollow cylindrical body 10 in which a female screw pa...
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JP6689250B2 |
A panel fastener includes a screw that is captivated to a ferrule and urged toward a retracted position by a spring which operates between the screw head and the ferrule. When the screw is in the retracted position, a collar of enlarged ...
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JP6683454B2 |
To suppress occurrence of looseness of an attached object in attachment of the object such as a screw, and further improve accuracy of an attachment position.A fixing instrument includes an annular support part having a predetermined sym...
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JP6684312B2 |
[Problem] The purpose of the present invention is to provide an anti-loosening metallic male screw that can exhibit a sufficient anti-loosening effect by forming a flat part and a short slope in a part of the thread bottom of the male sc...
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