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JP4096994B1 |
To prevent a bolt previously held in a bolt hole from rotating together when tightening a nut. The dimension in the axial direction is set to be slightly smaller than the sum of the thicknesses of the bottom steel plate 1 and the splicin...
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JP2008121734A |
To provide a screw having the improved decorative property as well as functionality, and capable of preventing damage on a head portion or a decorative portion.A male screw 10 is provided with a screw body 16, and a protecting member 18 ...
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JP2008121712A |
To prevent the accumulation of paint on a screw portion of a bolt and damage to the screw portion of the bolt.The clamp device is provided with a base 11 having a pipe receiving portion 11a for receiving a pipe, at least one cover part 1...
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JP4092010B2 |
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JP2008116031A |
To provide a cover variable in a removal difficulty level in accordance with the site of use and the purpose for use by attaching a cover on heads of a cross slot head screw and hexagon socket head screw to inhibit the removal of the scr...
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JP4087386B2 |
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JP4086560B2 |
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JP3141566U |
To provide a shackle having excellent safety in which a connecting shaft and a nut can be prevented from falling. Insertion holes 5 and 7 are provided at the tip portions of a pair of shaft portions 3 facing each other of a shackle 1, an...
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JPWO2006022103A1 |
A screw insertion hole 12 is formed to penetrate the main body fixing bolt 10 in order to provide a bolt dropout prevention structure and a holding ring that are used in semiconductor manufacturing equipment and that are easy to insert a...
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JP2008095827A |
To provide a bolt cap having improved water-proofness, loss prevention and workability.The bolt cap comprises a recessed portion 91 to be mounted on head portion 81a, 81b of bolts 65a, 65b inserted through the front ends of pipes 64a, 64...
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JP4079304B2 |
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JP4077762B2 |
The fastener (9) is held in the subassembly by a snap-in connection.
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JP2008089106A |
To prevent the loss of a bolt when loosening the bolt to cancel the fastening of two members.This fastening structure is provided for passing the bolt 23 through a hole portion 221 of a cover 22 and then threading it to a case 21 to fast...
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JPWO2005121570A1 |
To provide a fall-prevention tool and a loosening prevention nut capable of preventing a nut from falling off or a nut from loosening by fitting a wire of a coil spring having an open lower end into a bolt thread groove. The purpose is t...
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JP4071350B2 |
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JP3140389U |
To provide a lock device R for a bolt B having a high anti-theft effect. In a lock device R for preventing an unauthorized operation on a bolt B, the bolt head B1 is covered around the bolt head B1 in a fastened state, and the bolt head ...
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JP4068368B2 |
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JP2008064299A |
To provide a bolt protector to be used as a bolt anti-loosening installation for protecting the head of a bolt while preventing not only injury but also malpractice, having duplicated security effects of precluding the removal of the bol...
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JP2008064234A |
To provide fastening auxiliary equipment for preventing the fall-down of cut debris during machine-screw fastening.The fastening auxiliary equipment comprises a covering member for covering the protruded front end of a machine screw thre...
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JP3140150U |
To suppress removal of a screw. A head cover member 2 that rotatably engages with a screw head without detaching from a screw head 11 and a screw head and a head cover member do not rotate with each other. It is equipped with an integrat...
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JP4052727B2 |
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JP4045386B2 |
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JP2008502857A |
The present invention has a mounting box (10) that is connected to structural members (4, 5) to form a cage (20), with mounting nuts (40) idle in the cage (20). The movable nut (40), which is mounted with the parts, can cooperate with th...
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JP4038936B2 |
To enhance the manufacturing efficiency of a fuel cell by efficiently conducting leak test. In the manufacture of a fuel cell 10 having a built-in manifold, the specified number of separators and electrolyte membranes for constituting th...
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JP2008014469A |
To provide a fastening joint device which prevents looseness and separation due to mischief, and also to provide a fastening joint method.A body 1a of a bolt 1 is passed through holes 6a, 7a formed in fastened joint members 6, 7. A femal...
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JP2008008344A |
To provide an axial force managing nut assembly for making all components of the nut assembly into an assembled form without depending on caulking.The axial force managing nut assembly 10 comprises a seat member 11, a fastening nut 12, a...
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JP3138476U |
A special shape inner peripheral surface (14) connected to a base end side of a female thread (11) and set to be rotatable only by a first special purpose tool is formed in a nut main body (2). A cap (4) is constituted by a shaft portion...
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JP2008002676A |
To provide a crime prevention screw mechanism which surely fixes an attachment cover to a hexagon bolt head and a nut by a blind rivet or a drive rivet, and is prevented from being removed by a working tool.A hole into which an end of th...
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JP3138499U |
To provide a detachable security device for a pair of fixing bolts and nuts which can be attached to a head of a bolt and a fixing nut regardless of the length of the bolt exposed from the fixing nut. Locking claws 24, 25 for peripheral ...
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JP3138498U |
To provide a detachable security device for a fixing nut which can be attached regardless of the length of a bolt exposed from the fixing nut when the object to be fixed is fixed by the fixing nut. Locking claws 24, 25 for peripheral wal...
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JP4029368B2 |
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JP2007327555A |
To provide an electronic apparatus casing which prevents a nonexpert from operating the inside of the apparatus by containing a protection mechanism requiring a special tool to open the cover of an apparatus. An electronic apparatus casi...
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JP4014783B2 |
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JP3999980B2 |
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JP2007529691A |
The invention provides a fastener (212) for use in a network of fasteners (220). The fastener (212) has address means which serve to distinguish. the fastener (212) from the other fasteners in the network (220). The fastener (212) is ada...
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JP2007278413A |
To positively perform fastening work even when there is no allowance of space for performing screw fastening work without a space larger than the whole length of a screw around a member mounted by the screw fastening work, as a space for...
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JP2007529690A |
The invention provides a fastening system ( 40 ) which includes a plurality of fasteners ( 12 ). Each fastener ( 12 ) is adapted to be locked or unlocked upon receipt of a suitable signal, such as an electric, magnetic or infrared signal...
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JP2007278488A |
To provide a shackle fitting with a pin bolt fall preventing function for use in slinging work. This shackle fitting is formed by mounting a stopper plate 4 to a pin bolt thread part in a U-nut 2, and providing rotation stop recessed par...
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JP2007270889A |
To screw a bolt in a hole of an object to be fastened by using a fastening tool so as to fix the bolt to the object to be fastened. The bolt 1 is provided with a projection part 7 projected from an inclined face 6b of a ridge 6 at a term...
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JP3987353B2 |
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JP2007247745A |
To provide a looseness and release preventing tool for not only preventing the looseness of a nut but also preventing the intentional looseness and release of the fastened nut due to a practical joke. The looseness and release preventing...
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JP3981827B2 |
A wheel nut assembly includes a stud ( 1 ), a main wheel nut ( 4 ) mountable on threads ( 3 ) provided on the stud, and a retaining nut ( 6 ) engageable with threads ( 5 ) provided on the stud to prevent accidental loosening of the wheel...
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JP3976698B2 |
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JP3974999B2 |
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JP3976093B2 |
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JP2007224994A |
To solve the problem that fastening two parts by a screw causes a fall in static electricity resistance owing to the unstable fastening since resin washers are held and jointed between the parts so as to prevent the screw from slipping o...
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JP2007211864A |
To surely prevent drop out of a nut, even when installing a head part of a bolt and the nut in an immersed state. This fastening structure to a wheel 2 by the bolt 3 and the nut 4 of a brake disc 11, has a fastening part in a sliding par...
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JP2007205404A |
To provide new screw dropout preventive technology which can prevent the unexpected dropout of a screw mounted at the tip of a screwdriver and execute screwing/unscrewing operation without trouble if the space through which the outside d...
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JP3956372B2 |
To provide a fastening part protection device capable of improving a security function further. This fastening part protection device is cmposed of a holder screw-fitted into a fastened object, a skirt surrounding the holder, a ball guid...
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JP2007170518A |
To provide a cap for a nut capable of performing adjustment by a washer so that shearing action is performed in a straight part of a bolt when fastening the bolt with the nut.In this cap 1 for the nut covering a part of a side surface an...
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