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WO/1990/007653A1 |
There is provided a flanged drive-head lock washer (24) for use in combination with a wedge-action-type fastener, wherein the fastener includes a bolt or screw member (17) having a cam nut (16) or cam head. The flanged drive-head washer ...
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WO/1990/005850A1 |
To ensure trouble-free operation of a motor vehicle by minimizing interference radiation, system-related interference radiation induced during operation must be dissipated near the site of origin. The interference radiation which occurs ...
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WO/1990/001969A1 |
A novel process for paving or sealing the interior surface of a tissue lumen by entering the interior of the tissue lumen and applying a polymer to the interior surface of the tissue lumen. This is accomplished using a catheter which del...
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WO/1989/011044A1 |
When force acts on a conventional screw in a direction opposite to a mutual surface pressure direction due to vibration or the like after tightening is completed, mutual surface shifting occurs and a drop in restriction force against the...
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WO/1989/009344A1 |
A locking nut assembly in which a dished washer (16) has a cylindrical bore (19) which is a close runner fit on the external cylindrical face (15) of a spigot (12) formed under the head (11) of the nut (10). In use the washer (16) is fla...
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WO/1989/008791A1 |
This invention relates to a fastener which is inserted into round holes (6, 7) bored on members (3, 4) to be fastened and fastens them (3, 4) together by clamping. A projection (2) to be inserted into the gap between the holes (6, 7) and...
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WO/1989/008207A1 |
A device for retaining a bolt (38) including a plate having a bore (34) therethrough for receiving the bolt (38), a retainer (42) movably mounted on the plate (31) and movable between a first position in engagement with a selected number...
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WO/1989/007718A1 |
A vacuum fixed adhesively secured fastener comprises a body member (24) having a vacuum cup (26) for flattening against a substrate (22) to temporarily hold the body member (24) against the substrate (22). A reservoir (32) is adapted to ...
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WO/1989/006756A1 |
A locking device for retaining two screw threaded members (1, 11) end to end. One member carries a coil spring (5) and a sleeve (6) for opening the coils of the spring, which normally clamp against a cylindrical surface (12) of the secon...
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WO/1989/005928A1 |
A rubber-metal bearing element (1) comprises two parallel washers (2, 3) interconnected by a rubber block (4), from which extend threaded bolts (5, 6) for screwing the bearing element to the parts (9, 10) to be joined. To prevent the thr...
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WO/1989/005920A1 |
A locking arrangement is provided for preventing relative rotation between a nut (14) and a rotatable member (12). The locking arrangement includes a lock plate (44) having a tang (56) which engages one of a plurality of slots (40) on th...
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WO/1989/003026A1 |
A clamp (50) for use in testing machines to prestress a joint between a driving shaft (30) and a driven shaft (20), both of which carry portions (22, 32) which are externally threaded with each shaft having a flat surface (36, 38) abutti...
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WO/1988/003232A1 |
To prevent relative turning between elements (1 and 2) which are to be in engagement by threads with each other one of the elements (1) is provided with a recess (5) and the other element (2) with a hole (6). The recess (5) is shaped so ...
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WO/1988/001024A1 |
A nut (1) has a longitudinal slit (6) through the annular wall of the nut (1) and is of resiliently expandable form, at least a major portion of the interior screw threaded bore in the nut (1) being shaped and dimensioned so that the nut...
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WO/1987/007928A1 |
Combi-nut (M) for nut/bolt connection where the main objective with the technique used is to enable easy removal of a nut from a severely corroded bolt, combined with the advantage of a supplementary securing of the nut/bolt connection o...
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WO/1987/006659A1 |
A simple, reliable, easily fitted and removed bolt securing system for a through-bolt (1) with a hexagonal (multiple-flat) nut (2) and with, at the end of its threaded shank, an additional smaller thread turning in the opposite direction...
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WO/1987/003942A2 |
A stud fastening assembly (10) including a stud (11) having a threaded end threadable into a hole (15) formed in a workpiece (16) and a plurality of serrated rings (21) and (22) for securing the stud in place. The serrated rings include ...
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WO/1987/002432A1 |
A lock nut (11) arrangement formed of a first and second generally C-shaped nut member (12 and 13) which are joined together in a manner allowing limited axial movement and free rotation relative to one another about the axis (19), the t...
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WO/1987/000592A1 |
Locking fastener comprising a threaded part such as a bolt (13) or nut (28) and a locking plate (18) which fits over the bolt or nut and is prevented from rotation by engagement with a stationary object such as protrusion on the part to ...
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WO/1986/007624A1 |
Locking nut for nut-and-bolt system, where the locking nut consists of two sections, a main nut and a lock nut. The lock nut is tightened on to the main nut and, due to the thread's conicity or the angle of the thread's profile, the fric...
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WO/1986/007419A1 |
A locking device or fastener as a lock washer, securing plate or similar, made in one piece, preferably of metal, which is designed to arrest, lock or prevent displacement, twisting or rotation of the device itself and/or between assembl...
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WO/1986/006449A1 |
Light gauge self-tapping sheet metal screw having a threaded shank (10, 12) and cap-type head (14), which head has a tool-engaging surface (19). Between the cupped recess (16) of the head and the shank are a plurality of pyramidal ribs (...
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WO/1986/002980A1 |
A loosening-proof screw in which a female screw (2) of a synthetic resin and a male screw (1) of a metal, or a female screw (2) of a synthetic resin and a male screw (1) of a synthetic resin are engaged with each other. The female screw ...
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WO/1983/004077A1 |
A bolt retainer (10, 110) for holding bolts (22, 23, 122, 123) against rotation consists of a flat plate (12, 112) having two or more bolt holes (18, 20, 118, 120) therethrough and an upstanding portion (14, 114). Specifically configured...
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WO/1982/003618A1 |
A locking intended in a locked position to prevent rotation of a rotatory object (1) in one direction and to permit rotation in the opposite direction, is provided with a locking part (7) of the rotatory object, in the form of a straight...
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WO/1982/000965A1 |
A laminated nut (18) composed of laminations of tapped conical spring washer segments (40, 42, 44, 46) in which at least one of the segments has a different load/deflection ratio than another segment, thereby to provide for more uniform ...
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WO/1982/000325A1 |
The fixing member is mainly intended for as an individual member, as a part of a larger element, or as an intermediate member to be clamped to a shaftlike element, such as a shaft, a trunnion, or a ring, secured against rotational as wel...
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WO/1981/000896A1 |
A multifaceted nut casing (20) has wedge fit threaded jam nut segments (50) (60) for compressing into engagement on the threads of a bolt as the nut is tightened into a locked position. Inclined interior surfaces (200, 210) allow the jam...
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WO/1980/002274A1 |
Spacers are used where added bolt length is advantageous. Such spacers are usually one piece and are formed from tubing having a solid cylindrical wall which often splits or yields when stressed by highly torqued bolts. An improved space...
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WO/1980/000270A1 |
An anti-backlash nut (50) having one or more longitudinal flexural members (64, 66) with one end fixed and one end free-floating is disclosed which undergoes translational movement along a shaft. This anti-backlash nut (50) is improved b...
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WO/1979/000280A1 |
A self-locking screw is provided with a slit (4) radially cut along the top portion of the screw thread (2). The flank angle (3) of the screw thread (2) is less than the flank angle (8) of the screw thread (7) of a cooperating screw (6),...
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JP2024048053A |
An object of the present invention is to provide a service cover that prevents bolts from rotating and has the function of preventing loosening. [Solution] A service cover 3 is attached to a structural member 4 so as to cover the head 6a...
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JP2024042742A |
[Problem] To suppress the rotation of a square washer with a simple structure. [Solution] It is used by being sandwiched between the mounting surface Sa of the mounting object S and the head of a nut 2 or bolt. The washer body 1A has a p...
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JP7458279B2 |
To provide a rotation stopper that can prevent the rotation of a fixing bolt that fixes a wheel guard device to a sleeper.A rotation stopper that prevents the rotation of a fixing bolt of a guard fastening device including a guard rail h...
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JP7448145B2 |
To provide means with a simple structure.A fastening structure for a fastening body including a male screw body and a female screw body includes a relative rotation prevention member that surrounds the male screw body and is inserted int...
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JP2024031345A |
The present invention provides a washer that can suppress loosening when fixing a fixing member with the washer. A washer 50 is a washer 50 that is tightened on a bolt 30 passing through a heat insulating material 20, and the center of g...
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JP7445339B1 |
An object of the present invention is to provide a connection mechanism that allows visual confirmation from the outside that the tightening work between a joint and a nut has been reliably completed in piping work in which steel pipes a...
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JP2024029855A |
An object of the present invention is to easily detect the occurrence of co-rotation with a nut using an image. A nut drop-off prevention device 10 includes a ring portion 20, a pair of leg portions 22, 22, and a pair of knob portions 24...
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JP7445662B2 |
In one aspect, a lock nut is provided that includes a washer, a threaded body, and an actuator that are distinct from one another. The washer is configured to form a non-rotatable connection with a vehicle spindle. The threaded body has ...
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JP7444831B2 |
To provide a leaf spring nut preventing a retaining effect from being lost by making the leaf spring nut hard to be rotated with respect to a rod body in which a spiral screw is formed, and a fastening structure employing the same.The pr...
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JP7444513B1 |
[Problem] In a structure in which a rotating body is attached to a hub using multiple hub bolts fixed to the hub and multiple nuts screwed onto these bolts, it is possible to not only prevent the nuts from loosening but also prevent loos...
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JP7442185B2 |
To provide a falling prevention tool which can prevent loosening of a nut attached to a bolt.A falling prevention tool 1 includes: a first coil spring part 2 having a first coil wire 2A which is wound around in a substantially circular s...
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JP2024027615A |
An object of the present invention is to realize a fixture with good workability when fixing a channel member and other members. [Solution] A fixture 10 includes an outer clamping member 40 that contacts a lip part 25 of a channel member...
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JP2024027616A |
An object of the present invention is to realize a fixture with good workability when fixing a channel member and other members. [Solution] A fixture 10 includes an outer clamping member 40 that contacts the lip of the channel member fro...
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JP7433137B2 |
To provide a looseness preventing screw member that is easy to manufacture, has stable screw thread strength, can give a good feeling of a threading condition upon screwing, and has less damage to a screw thread.A loosening preventing sc...
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JP2024022061A |
[Problem] To provide a double nut that prevents loosening for fixing an object. [Solution] In addition to the internal thread for inserting into the bolt, an internal thread into which the external thread of the restraining nut can be sc...
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JP7431657B2 |
To provide a nut holding member that enables more suitable connection upon performing connection using a bolt and a nut, and a connection structure.A holding member holds a nut 80. The holding member comprises a holding part 71 capable o...
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JP7429382B2 |
To properly expand and surely fix an expansion member to a concrete skeleton even if a locking nut is applied, and to perform nut locking.The present invention relates to a fastening anchor 1 in which an expansion member 3 in which an ex...
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JP2024018838A |
The present invention provides a process for manufacturing a paper nut at low cost by machining a female thread or a male thread on a paper tube. [Solution] A paper nut manufacturing process according to an embodiment includes Step 1 of ...
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JP2024013571A |
[Problem] To reliably prevent a nut from loosening and eventually falling off under conditions where shocks, vibrations, etc. continue intermittently. The present invention is a nut cap 20 that is fitted onto the outer periphery of each ...
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