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JP2004293775 |
To provide an economical removal-prevented fastener not easily removed by only pinching with a general wrench and a pair of pliers on the market but relatively easily removable when necessary.This removal-prevented fastener is formed of ...
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JP3604763 |
PURPOSE: To prevent the following rotation and the loss of parts, and to easily perform the connection and change of a fuse and a non-connected conductor plate by covering a head of a fixing bolt with a rotation preventing body, and prov...
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JP2004278796 |
To provide a loss preventive device for a wheel brake disk 2 which is disposed on both sides of a rail wheel body 1 and fixed by through screws 3 in which the operational reliability of the rail wheel is totally enhanced by improving a k...
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JP2004270855 |
To provide structure of preventing the nut of a drive shaft from falling off which can easily assemble without increasing the number of component and simultaneously can easily prevent the nut from falling off.The structure prevents the n...
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JP2004263830 |
To provide a bolt of such a structure that a nut will not fall even when the nut is released from a worker's finger when the nut is installed or removed.The bolt 1 is provided with a male thread part 2, and an unthreaded part 3 provided ...
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JP2004257406 |
To provide a method and a device for joining steel plates in which drop-off of a bolt inserted to a bolt hole at a joining part of the steel plates can be efficiently and securely prevented by only using a low-cost part having a very sim...
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JP2004257546 |
To actualize a nut fall-off preventing mechanism only by using a tightening method with usual nut turning operation.This bolt 2 comprises a movable spring 6 formed of an elastic material and mounted in a slit 4 of a screw portion or on a...
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JP2004251433 |
To protect an mounted object against deliberate mischief and prevent the malfunction and theft thereof.A nut is provided at the center of the head of a bolt, and another thread-off bolt is screwed and fixed to an object to be screwed and...
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JP2004232797 |
To provide a temporarily locking device for a pipe support band capable of preventing deterioration and achieving safety for the pipe support band and peripheral devices of it after tightening construction.This temporarily locking device...
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JP2004232798 |
To provide a temporarily locking device for a pipe support band capable of improving safety of the temporarily locking device after bolt-nut tightening work.This temporarily locking device is composed of an installation base 50 to be set...
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JP2004225738 |
To provide a concealing cap in which a head plate is applied to an inner circumferential wall of a recessed hole along the whole circumference to achieve favorable appearance that can be easily removed.This concealing cap 1A is provided ...
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JP2004218758 |
To increase the efficiency of screwing in a structure assembled by screwing using a plurality of screws.A screw laying device has a plurality of support holes 5 in which the screws 10 are supported so as to be positioned in the upright s...
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JP2004218811 |
To provide a fixing hardware capable of preventing theft of an installation object.When the installation object 3 is fixed on an object 4 to be installed with a male member 1 and a female member 2 and a lock member 14 is inserted from th...
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JP2004211762 |
To provide a nut, a bolt and a fastening member capable of adding sufficient fastening force, not being easily demounted by a commonly used tool after fastening, and being manufactured at a comparatively low cost, and to provide a fasten...
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JP3573173 |
To provide a sealing device of a bolt provided with a structure in which the strength of a cap is improved, an O-ring is eliminated, and two functions, i.e., prevention of coming-off of the cap and reduction of play are available. A coll...
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JP2004190779 |
To provide a fastener for preventing removal capable of effectively preventing a member broken and fallen by tightening operation from being lost and uncollectable.This fastener 1 for preventing removal comprises a screw part 2 having a ...
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JP2004190789 |
To provide a shackle that a shackle bolt does not fall off easily from a shackle main body.It is composed of a U-shaped shackle main body 20 that forms the female screw 21, 21 in both ends and a shackle bolt 30 intercepting an opening pa...
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JP2004194000 |
To provide an antenna attaching device capable of temporarily but surely fixing a nut 26 through a claw washer 18 to the attaching screw 12 of an antenna base 10.The attaching screw 12 is provided with a slit 14 in a screw shaft directio...
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JP2004193999 |
To provide an antenna attaching device capable of temporarily but surely fixing a nut 26 through a pawl washer 18 to the attaching screw 12 of an antenna base 10.The attaching screw 12 projected downwards from the antenna base 10 is prov...
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JP2004181581 |
To provide a structurally simple clamping device for quickly changing a clamping width, and reducing the number of part items.A guide hole 24 of a lower part 21a of a body 21 does not form a female screw part, and a screw bar 28 is movab...
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JP2004174638 |
To easily rotate a thumbscrew 5 screwed onto a long size bolt 2.When rotating the thumbscrew 5, the long size bolt 2 is inserted into a hole 12 of a body 14 and a locking part 16 formed at an end of the body 14 is locked on an outside fa...
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JP2004176929 |
To provide a screwing structure for equipment superior in crime preventing performance without causing fall-off of screws during removing the screws.In the screwing structure for screwing a rear cover 6 on a cabinet from its inside, a pl...
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JP2004159878 |
To assemble a rack using panels with the same shape as much as possible, assemble them stably in strength by dispensing with a device such as a driver and prevent screws used for assembling from being detached therefrom to be not lost.Pa...
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JP2004162750 |
To prevent a washer and a hinge using it from deviating from predetermined positions when mounting them and to prevent them from dropping to facilitate assembly.This hinge is provided with a movable member 22 provided with an engaging pa...
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JP3553291 |
To fix an external thread member to be screwed without supporting by a hand and screw an internal screw member thereto easily. After inserting and fixing a bolt B to the bolt holding part by using a cap C1 for preventing the falling-off ...
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JP3553290 |
To fix an internal thread member without supporting it by hand, so that an external thread member can be easily screwed to this internal thread member. A coming-off preventing cap C1 integrally having a nut holding part fitting a nut N a...
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JP3553141 |
PURPOSE: To detect the presence of a transport vis used for transport by providing a detecting circuit and electrically connecting at least one end of the detecting circuit to the conduction pattern of a fixing part electrically connecte...
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JP3546869 |
To provide a wheel mounting device for an automobile capable of not only preventing abnormality favorably in manufacturing performance but also firmly carrying out fitting and engagement of a wheel with no problem of accidental detachmen...
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JP2004108437 |
To provide a metal fitting for preventing breakage due to a maintenance screw, adapted to hold down intrusion of the maintenance screw within a predetermined range by a small-sized member.This metal fitting is formed by a first plane par...
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JP3538778 |
To provide a fall-off prevention device for preventing the fall-off of an approximately 'U-shaped' metal fixture to be fitted to a flange of a shaped steel. In the cases where the flange 2 is tapered and becomes gradually thinner in the ...
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JP3535487 |
To prevent detachment both on the head part side and the tip side of a bolt without providing a component part projecting externally. Detachment can be prevented by covering caps 6, 16 on a fastening part of a bolt 2 and a nut 3. Grooves...
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JP2004073597 |
To provide a game machine equipped with a board box device in which a sealing screw is prevented from being unexpectedly removed.Joints for sealing 52 and 62 are respectively provided on a base body 50 which houses a circuit board 41, an...
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JP3530132 |
To provide an assembling means enabling quick fixation to a place hard of access or a place having a poor space to be used. This assembling means to assemble a piece on the wall is composed of a bolt 1 and nut 2 to form two fastener part...
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JP2004068870 |
To provide a sealing device capable of performing the sealing works without skillfulness and requiring only a short time for the works.The sealing device is structured so that a bolt accommodation part 8 of a main cylindrical member 5 is...
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JP3525334 |
To develop a steel tower maintenance nut which is unnecessary for any special tools, capable of shortening the working time, and usable also for an existing steel tower. A maintenance nut is provided with one or a plurality of cylindrica...
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JP2004044696 |
To provide a sealing screw member making it impossible to release after fastening once, with simple operation same as conventional screwing.The sealing screw member is formed by a first member 10 having a head portion 12 in a first end s...
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JP2004036764 |
To provide a fastening device capable of increasing a workability by saving a labor for searching and picking up the device even if the device is erroneously dropped.This fastening device S comprises a nut member 1 fastened to a bolt mem...
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JP3516773 |
PURPOSE: To easily operate a metal fitting for cable connection by a screw terminal by forming a screw thread for holding in the inside part of a cylindrical hole of a cap and making the length of the outside part of the cylindrical hole...
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JP2004028251 |
To provide a pipe supporting metal fitting preventing a bolt from being fallen off from a through hole, exhibiting superior working efficiency, and having superior practicability.This pipe supporting metal fitting is so constituted that ...
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JP2004028249 |
To provide a temporary fixing structure of a screw dispensing with setting of the screw in a screw hole for every time in an assembling work of a fixing object and quickly and surely performing the assembling work.The fixing object 1 tem...
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JP2004003619 |
To provide metal fittings for supporting piping which can easily and quickly be mounted and dismounted by giving simple modification to a bolt, which can surely prevent falling-off of the bolt from the metal fittings, and which can easil...
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JP2004003658 |
To simplify the mounting of a mounting element on a pre-assembled body.In the structure for connecting the mounting element to the pre-assembled body, the mounting element is mounted on the pre-assembled body via a latch shape engagement...
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JP2003343536 |
To provide a removal prevention device which surely prevents a bolt from being removed from a fastened object. A coil spring 2 to be screwed in a screw of a bolt is accommodated in a hex head nut 1. One end of the coil spring 2 is locked...
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JP2003343537 |
To provide a bolt extremely effective in preventing theft of a number plate or the like of an automobile. A umbrella like flange 2 is provided to the top of a screw shaft 1. A head 4 equipped with a turning operation part to which an ord...
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JP2003343535 |
To provide a double turning preventive cap by which either of a bolt or a nut can be fixed in a countersink hole, even when tolls such as a wrench cannot be used in fastening of a bolt and nut. The double turning preventive cap 10 is pro...
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JP2003340125 |
To prevent illicit opening of a base board case. This illicit opening preventive mechanism comprises a case engaging part 50 having a case side threadedly engaging hole 53 and connected to a main base board case 20, a cover engaging part...
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JP2003336613 |
To provide a tinker prevention screw capable of preventing connection by a conventional general screw driver to certainly prevent the bolting work, to provide a screw driver bit capable of easily and rapidly accomplishing connection to t...
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JP2003329025 |
To provide a holder to receive a screw having a shaft and a head, facilitate manufacture, firmly hold a screw, and enable easy insertion and removal of the screw.A holder 1 for a screw 17 having a slender shaft 18 and a head 19 has a rec...
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JP2003322134 |
To provide a drop-off preventive bolt and a manufacturing method thereof, capable of preventing a bolt from dropping off when a plurality of adjacent fixed articles having a plurality of bolt holes are fixed, and preventing the co-rotati...
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JP2003322133 |
To provide a door stopping screw member certainly preventing slip-off while keeping a function.In this door stopping screw member, a non-screw portion 6 thinner than the root diameter of a thread and having a specified length is formed b...
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