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JP2015004429A |
To provide a bolt and a tool useful for manufacturing industries, a Sunday carpentry section, and the like.A bolt and a tool are described in a figure.
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JP2015001231A |
To provide a screw capable of performing a fastening operation easily.A projection 5 is formed in a hole formed in the upper face of the head 3 of a bolt 1. When a hexagonal bar spanner is inserted into a hole 4, therefore, the hexagonal...
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JP2015001241A |
To provide a screw for preventing the painting of the head of a screw from being scraped, when a driver bit is brought into engagement with the head of a screw.A screw 1 has a head 2 formed on the surface with an engagement part 10 or a ...
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JP5637762B2 |
A building (2) is mounted on a base (15), a stationary member (43) is disposed on an end section of the building (2), and a bolt (45) is screwed into the stationary member (43) so as to penetrate therethrough and is tightened. Then, the ...
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JP3194633U |
To provide a bolt having an anti-theft function, which does not surely loosen even when used in a place where a temperature difference is large and a place where vibration is severe. The bolt body is composed of a bolt body 10, a nut 20,...
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JP2014196760A |
To provide a fastener including fumble-proof drive hole capable of smoothly releasing a drive tool from the drive hole upon receiving a driving force in a releasing direction.This invention is made such that a head part 2 has a drive hol...
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JP2014163498A |
To provide a screw with a hexagon socket that has simple constitution and also can have a flat contact surface of a spherical part arranged always toward a screw tip.A screw 1 with a hexagon socket includes: a screw part body 2 which has...
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JP5584221B2 |
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JP5580820B2 |
The invention relates to a stud (10) for stud welding, having a shank (12), having an axially adjoining flange (14) which projects radially relative to the shank (12) and whose outer circumference is of polygonal design in order to be ab...
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JP2014154182A |
To provide an opening cover attachment mechanism capable of suppressing loss of bolts (screws) as much as possible, and a disk surface inspection device using the same.An opening cover attachment mechanism includes: an opening cover whic...
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JP2014152803A |
To provide a seal structure of a screw capable of easily sealing a screw for fixing a member and allowing easy discrimination whether or not seal of a screw is opened by a third party.A cap 50 having outer shape approximately identical t...
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JP5558966B2 |
The planetary gear coaxially driven screw and nut structure of the present invention is to install the inner ring gear (102) in the nut (101) and install at least one of the radial arm structures of the planetary gear (131) in the bolt; ...
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JP5536163B2 |
A spiral drive system for threaded fasteners includes driver-engageable surfaces on the head end of the fastener in which at least some of the driver-engageable surfaces are defined by a spiral segment configured to maximize torque trans...
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JP2014119037A |
To achieve easy guide of the blade of a flathead screw driver into a slot in the head of a slotted-head screw while, when guiding the same, achieving alignment of the rotation axis of the blade of the flathead screw driver with the rotat...
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JP3191168U |
To provide a hexagon socket head cap screw in which hexagon socket head bolts having adjacent bolt diameters have the same hexagonal hole size to standardize a hexagonal wrench for tightening. In a hexagon socket head cap screw 1 provide...
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JP3190972U |
To not only improve the structure of a screw head and maintain the original function, but also to use each improved screw as a driver to tighten a screw, and at the same time, improve the space and size by improving the screw head. To pr...
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JP5475968B2 |
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JP5465956B2 |
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JP2014507610A |
Rotationally symmetrical force-application means with, as viewed axially, a star-shaped outer contour or inner contour, for connecting elements, wherein the individual arms of the star are designed as pointed arcs, of which the outer poi...
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JP5450856B1 |
To prevent an obstruction such as chips from entering a hexagonal hole so that a hexagonal wrench can be smoothly fitted into the hexagonal hole, and improve workability at the time of fixing work by screwing. Provide a hexagon socket he...
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JP5427651B2 |
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JP5425615B2 |
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JP5406699B2 |
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JP3188632U |
To provide a D-shaped screwing member for furniture coupling. A wooden member and a member are stereotactically connected to each other, and a fitting member 3 is stereotactically coupled to a recessed space of the one member, and corres...
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JP2014015990A |
To provide a new anti-theft double nut-type fastening tool having both of anti-theft function and a locking function, a new exclusive tool for rotating and operating the anti-theft double nut-type fastening tool, a new anti-theft fasteni...
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JP5391306B2 |
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JP5383656B2 |
An adjusting screw configured to be adjustable by multiple different tools is described. An example adjusting screw includes a cylindrical body portion having a first end, a second end, and an outer curved surface. The example adjusting ...
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JP2013253703A |
To provide a stud bolt which can facilitate a torque test and can prevent defective products as much as possible.A stud bolt 10 includes a bolt body 11 with a male screw formed thereon and a projection 12 for discharge arranged on a bott...
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JP3187830U |
To provide bolts and nuts which are hard to loosen. The shapes of a bolt head 11 and a nut 2 are semi-elliptical, and a hole into which a tightening jig of the bolt head 11 is fitted is a pentagon. Further, the structure is such that con...
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JP3187710U |
To provide a fastener having a simple structure and which can easily detect an abnormality in a fastening state. A main body portion 3 in which bottomed holes 5 and 7 which are recesses are engraved on a side surface 13 and a notifying m...
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JP5342433B2 |
To obtain an automatic screwing machine having a screw floating detection device with a simple configuration enabling determination as to whether or not a head seat surface of a screw is securely seated to a workpiece, a part or the like...
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JP2013537604A |
A head (101) of a bolt for securing timber (A) to any other material (B), with a series of spiked teeth (102) on its underside. In use a user drills a hole through pieces of timber to be secured together, and hammers the bolt through the...
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JP5303080B2 |
Provided are a screw (11) which can significantly reduce the cam-out if a dedicated driver bit is (14) used, and which also allows the use of a driver (6) bit for a standard cross recess and can reduce the cam-out to some extent, and a d...
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JP2013194881A |
To provide a fastening component set which can favorably prevent fastening between a male screw component and a female screw component from being weakened or released by a disturbance such as vibration or a temperature change.A body male...
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JP5300069B2 |
To provide a tamper preventing bolt and a fastening method using the tamper preventing bolt that is fastened with predetermined torque but is not loosened after the completion of fastening and has the same fastening work efficiency as or...
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JP3185814U |
To provide an eyebolt having an improved attachment and detachment work while maintaining strength with a simple structure. An eyebolt in which a bolt shaft portion 2, a ring-shaped head portion 3, and a hexagonal convex portion 4 for so...
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JP5281840B2 |
To provide a screw fastening mechanism capable of generating a predetermined pull force in the axial direction without using a rod-like member for fastening such as a bolt having a diameter greater than necessary, without a great torsion...
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JP2013170657A |
To provide a nut having a torque confirmation function, in which it can be surely determined whether or not a tightening state of a bolt with a nut is good, by visual confirmation, in tightening work using a general tool without using a ...
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JP3185628U |
To transmit a tightening force and a loosening force of a wrench to a hexagon socket head cap screw and a hexagon socket head set screw without breaking a hole for inserting a wrench in a bolt head and a hexagonal apex of a hexagonal bar...
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JP5260771B1 |
To provide a cross hole structure capable of preventing a come-out while ensuring an effective length of a wing groove and effectively transmitting a rotational force even when a driver bit becomes thin due to wear. Four fins 22 of a cro...
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JP5255688B2 |
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JP5251595B2 |
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JP5236128B1 |
To provide a fastener which can surely hold a fastened state when it is desired to be fastened and can be easily loosened when it is desired to loosen it. A nut stopper 43 is pushed in with a hammer or the like. The protrusion 55 of the ...
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JP5238076B2 |
Outer peripheral ends of torque transmitting section (20) of fitting projections (16) are made to contact with the side wall surfaces of torque transmitting sections (18) of recesses (12), and tightening torque is transmitted to a screw ...
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JP5231656B2 |
Disclosed is a bolt that can be tightened without using a specialized tool, cannot be loosened after being tightened, and yet can be removed in emergencies. The theft-prevention bolt comprises: a fastening bolt comprising a first locking...
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JP2013522560A |
A drive formation for a rotary drive, for example a depression in the end face of a screw, has two regions with different cross-sections, but with a cross-sectional form having a certain similarity, arranged axially in succession. Due to...
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JP5204887B2 |
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JP3183741U |
To provide a nut whose standard can be identified from its appearance without undergoing secondary processing. A ring-shaped body 1 having an outer peripheral surface 14 formed by surrounding an axial center in a predetermined direction ...
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JP3183572U |
To provide a fastening screw and a fastening tool configured so as to be able to secure strength (breaking torque) at the time of screw tightening and to effectively transmit rotation torque by a tool to a screw head. .. A fastening scre...
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JP5190409B2 |
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