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JP6069649B2 |
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JPWO2014102959A1 |
The bottom surface 5 of the engagement groove 4 into which the driver bit 13 is fitted is formed of a steep slope 6 and a gentle slope 7, and the contact area S1 and the area where the side wall 12 of the engagement groove 4 and the driv...
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JP3208283U |
[Subject] In a case where a member attached via a bolt nut is removed in the state where it moved from a mounted attitude, Also in a situation which can be stopped to this and it cannot be made to rotate, without the ability to carry out...
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JP2016223630A |
To prevent occurrence of a local stress generating weakening of a screw driver and early wear of the screw driver.A method and a device for an asymmetrical fastening system 100 includes a screw driver configured to be adapted for a surfa...
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JP6045244B2 |
A fixture for connecting rotors of a rotary machine includes: an axial member provided with a column-like fitting portion which is disposed inside of a first bolt hole and fits the first bolt hole; and a sleeve provided with a cylindrica...
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JP3206548U |
[Subject] A bolt nut in which Kaishime in which structure is simple and cheap is impossible is provided. [Means for Solution] Head 11 of a bolt serves as a truncated cone form, and an angle wrench hole into which a groove is cut in tip p...
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JP5985932B2 |
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JP2016526139A |
To provide an improved drive unit of a screw capable of facilitating insertion of a non-rotating tool. A screw drive (14) with a screw head comprises a cam (16), the cam is formed by a recess formed around it, and the cam (16) is used to...
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JP5980323B2 |
The invention relates to a screw and corresponding screw driver for driving the screw into a dental implant at an angle from the longitudinal axis of the implant. The screw has a polygonal interface and the screw driver has a matching in...
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JP3206005U |
[Subject] A possibility that it can adjust in a possessed limited tool increases, and it provides an adjustment screw of a pressure regulation machine and a pressure regulation machine it becomes unnecessary to arrange a new tool. [Means...
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JP5970587B2 |
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JP5953184B2 |
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JP2016080143A |
To provide a screw member capable of preventing a cap mounted to the head part of a bolt from loosening.A fastened member 2 is fastened by inserting a bolt 10 into an open hole penetrating the fastened member 2. A cap 20 is mounted to a ...
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JP2016080087A |
To provide a head part structure of a fastening body capable of surely using a spanner and a bar wrench.In a head structure 1 in a male screw body 10 having a head part 20 and a shaft part 40, the head part 20 includes: an outer peripher...
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JP5915858B2 |
A screwing device (13) includes a screw shaft and a knob (36). The screw shaft is provided at a screw center axis (34) as the center thereof. The knob (36) includes a knob body (38) having the screw shaft projecting therefrom and an oper...
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JP2016070477A |
To provide a bolt that is a round-shaped bolt in which a cylindrical shaft is used, a screw comprising one hole, a non-screw portion, a left screw and a 27° inclination, and a tool having an L shape.An L-shaped tool comprises (1) a roun...
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JP5903240B2 |
The unit has a threaded end portion, and an end face with a recess (10) and multilobed footprint. The recess is provided with a peripheral edge (12) in the form of multilobed continuous curved line. A lobe (L) is defined in a section by ...
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JP5902786B1 |
To prevent a come-out phenomenon and crushing of a screw groove portion which occur in a screwdriver which is a tightening tool when tightening a Phillips screw. In a screw 10 in which a head portion 11 is integrally formed with a leg po...
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JP2016041978A |
To provide an epoch-making bolt capable of enduring a stronger load, being rationally and simply handled and having one hole opened.A bolt capable of enduring a force against a load sufficiently, capable of having neither a corrosion nor...
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JP5890339B2 |
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JP2016033416A |
To provide a semicircular and semihexagonal head bolt capable of being easily handled in a speedier manner.A bolt capable of being made in a large or small size is very useful. The bolt can become a successful product capable of being wi...
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JP2016031147A |
To provide a one-hole type square bolt having one hole for a square bolt.A square bolt is characterized in that one hole is formed in the square bolt which is completely fixed with one hole in the rotor of the square bolt.SELECTED DRAWIN...
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JP3202814U |
To provide an anti-theft bolt and a bolt tightening tool which can reduce the manufacturing cost of an anti-theft bolt and a special tool and cannot be rotated by a conventional tool. A bolt head 1 for fitting and rotating a socket is pr...
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JP5870070B2 |
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JP5866572B1 |
To provide a wheel nut which does not loosen even under a large temperature change or load change, does not exceed the elastic limit, and does not deform even if it is frequently attached to or removed from the hub bolt 2 of an axle. Nut...
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JP2015224644A |
To use not only a bit having a serrated shape with a plurality of apex points and valley points equally spaced apart at its outer circumference but also a bit of regular hexagonal or regular square as seen from its top plan view.A washer...
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JP5830497B2 |
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JP2015218902A |
To provide a two-hole type bolt capable of rationally performing manual work without damaging and breaking the bolt.By boring a bolt at two places rather than one place, manual work can be performed surely and speedily without damaging a...
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JP5827062B2 |
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JP5813685B2 |
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JP5812278B2 |
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JP2015197161A |
To provide a screw-hole-provided screw that has an additional function which can fasten a fastening object by a sub screw which is screwed into a screw hole formed in a main screw, and is hard to give a main screw the influence by the op...
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JP5802772B2 |
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JP2015183560A |
To provide an oil filter capable of performing rotational operation without projecting from the top face of a filter case.In an oil filter 1, a filter 3 is stored in a filter case 2, and a female screw part 5 for engine block attachment ...
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JP5797718B2 |
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JP5788614B1 |
It provides bolts that can be tightened without the use of special tools and are extremely difficult to loosen (remove) after tightening. The bolts (A, B) of the present invention include a fastening bolt (1), a tightening bolt (2), and ...
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JP5780998B2 |
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JP2015152079A |
To enable a connected component to be fastened by prescribed force even if a poor fixing such as a slant fastening or the like occurs at a nut before setting on a seat when a bolt is fastened.This invention is constituted in such a way t...
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JP5766490B2 |
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JP5758921B2 |
Various embodiments described herein provide a fastener system having straight walled driving surfaces that provides a reliable stick fit feature, while also improving stability of engagement between the system components. A feature of t...
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JP3198935U |
To provide a coin screw capable of reliably loosening even a screw which is firmly fixed due to rust or the like. In a coin screw integrally including a head 1 and a female screw portion 2 having an outer diameter smaller than the head, ...
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JP5723551B2 |
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JP5722722B2 |
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JP2015078761A |
To provide a fastening member capable of reducing disadvantage that a hammer and nails have been used for house construction and the hammer and nails have generated high level noise and they have been weak against wind and rain.When a me...
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JP5682954B2 |
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JP2015040605A |
To provide a screw that does not produce burr at a recess fitted with a driver when fastening or loosening the screw.A screw 1 has a columnar shape without a screw head, and a recess 5 fitted with a driver when fastening is formed on the...
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JP5669872B2 |
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JP2015025509A |
To prevent burring of a base coat layer 1 during fastening work of a base-coated ALC board 2.In a self-boring screw for an ALC board, a head part 5 includes a truncated pyramid shape part 9 having an approximately truncated pyramid shape...
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JP2015021617A |
To provide a square bolt having more efficiency than conventional bolts.The square bolt surely prevents excessive fastening of a bolt by fastening the bolt manually and finally fastening it with a tool.
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JP5658150B2 |
An assembly improving, lower mass fastener head that is easier to handle and reduces the amount of material that is required in manufacturing the fastener comprises three lugs at multiples of 60 degrees around an axis of a threaded body....
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