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JP2011148030A |
To provide a bolt tightening apparatus that structurally simply micro-vibrates a bolt at right angles to the bolt axis when tightening the bolt.A reducing eccentric cam 16 directly coupled to an input rotary shaft 14 fits peripheral exte...
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JP4733887B2 |
A blind bolt for securing a plurality of workpieces at a desired clamping force includes a pin having an elongated shank terminating at one end in an enlarged pin head and a generally elongated tubular sleeve adapted to receive said pin ...
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JP2011521188A |
The invention relates to hand tools and to threaded fasteners, and comprises a screw and corresponding screwdriver. The screw comprises a head and a threaded working end. The head slot for inserting the screwdriver is made in the form of...
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JP4731054B2 |
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JP4730721B1 |
To sufficiently fulfill a role as an anti-theft device, perform work without trouble, handle easily, remove a bolt head body from a connecting screw body, and attach a second jig to a first locking portion for a jig. Provided is an anti-...
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JP4717540B2 |
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JP4711206B2 |
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JP4711429B2 |
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JP4704497B2 |
To provide a screw fastening device that, when performing a screw tightening operation, can substantially reduce the running torque directly applied by external force 5 to a screw driving device. A characteristic constitution is adopted ...
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JP2011104669A |
To provide a driver bit used also for detecting screw floating capable of deciding quality as to whether a head seat surface of a screw is surely seated on a workpiece or a part, etc when the screw is fastened.In the driver bit, a stoppe...
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JP4678786B2 |
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JP2011075078A |
To provide a cutting blade fixing bolt making it easier to remove crushed matters got stuck in a tool hole of the fixing bolt for fixing the cutting blade.The cutting blade fixing bolt 1 for fixing a plurality of split type cutting blade...
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JP2011057099A |
To provide a steering wheel mounting structure of a vehicle which can lighten a fastening bolt and easily ensure a space above a steering wheel.In the steering wheel mounting structure 10 of the vehicle, the steering wheel 16 is attached...
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JP2011047484A |
To provide a cross hole shape for a screw component, which can be commonly used between mutually adjacent cross hole numbers defined by JIS standard.In the screw component composed of a leg part 3 integrated with a head part 2 including ...
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JP4625072B2 |
A nut member for a coaxial cable connector is disclosed herein which is capable of being tightened by hand or by a tool. A connector incorporating the nut member is also disclosed. The combination of a connector incorporating the nut mem...
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JP4621074B2 |
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JP2011012788A |
To provide an antitheft screw which hardly gives rise to an axial deflection and eases fastening in addition to provision of the ability to prevent a screw from being cut while axially depressing the screw, and further provide fastening ...
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JP4611707B2 |
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JP2011001967A |
To provide a bolt tightening and loosening method and a bolt which realize high general versatility and easy tightening and loosening.A bolt 10 comprises a shaft part 12 containing a male screw part 13 and a head part 11 provided to one ...
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JP4591911B2 |
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JP3164405U |
To improve a conventional tightening tool engaging portion (bolt head / nut) of a fastening member and a socket wrench used therefor to prevent the fastening member from being removed or loosened due to mischief, and to attach / detach t...
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JP2010535993A |
The invention relates to a hand-held screw (10) adapted to be easily manipulated by a user during insertion into an intended screw hole (100). The screw comprises an elongated stem (11) having a threaded and non-threaded portion (20, 30)...
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JP2010265928A |
To provide a screw for grounding capable of increasing a contact area by increasing adhesion between a soldering part and a head seat surface, and capable of reducing a variation of ground resistance. In the screw for grounding, a screw ...
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JP3164217U |
To provide an assembly in which a spacer of a wheel shaft maintains the strength without using an outer hexagon nut while avoiding a decrease in the strength of the spacer of the wheel shaft. This is a combination of a nut 3 and a socket...
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JP2010261576A |
To provide a hexagon socket head cap screw furnished with a water draining hole which can perform an operation to blow off, the rust due to water, machining oil, and ordinary oil stagnating in the screw head socket by using a compressed ...
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JP2010249321A |
To provide a fastener fitted with threads having a recess to admit engagement of a driver, easily manufacturable, excellent in the strength, and with the recess being shaped so as to allow easy mounting and removal.The fastener 10 with t...
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JP4568012B2 |
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JP4565268B2 |
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JP2010230148A |
To provide fastening structure, facilitating fastening work, without causing deterioration in ease of workability in bolt replacement.The fastening structure 1 has a fastening auxiliary member 4, a bolt 3, and a nut 2. The fastening auxi...
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JP2010532453A |
A fastener which includes a recess that includes a plurality of alternating lobes and recesses, where each of the flutes and lobes is twisted or angled. The fastener can be driven using a conventional multi-lobular driver. Alternatively,...
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JP4555786B2 |
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JP4550052B2 |
A screw characterized by having a screw body having a male screw portion to be screw fastened into a corresponding screw hole and a top hat portion that is integrally formed to be conjoined to one end of the male screw portion and having...
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JP4531834B2 |
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JP4531249B2 |
Recessed head fasteners are provided with a configuration by which the force applied by the blades of the driver to the recessed wings is applied at the radially outer regions of the wings. The wings of the fastener recess may be provide...
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JP4524197B2 |
An axial-force-detective fastening tool fastens a nut to a bolt, and at the same time, detects an axial force acting on the bolt. This tool has improved durability and workability. The tool has a socket body (5) rotatably supported w...
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JP4523837B2 |
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JP4519672B2 |
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JP2010526260A |
A fastener with a recess head wherein the drive head has four lobular recess channels. Each channel comprises a first wall, a second wall, a bottom surface and a recess sidewall. The first and second walls have portions opposing each oth...
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JP4505996B2 |
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JP4510032B2 |
A convex spinal fusion interbody space device includes spaced apart superior and inferior abutment surfaces which are effectively medially convex. The peak of such convexity is displaced anteriorly of a central plane through the device. ...
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JP2010151287A |
To provide a nut body and a bolt capable of easily mounting a component to a mounted member having a bag structure etc. and a back side difficult to reach. The nut body includes: an oval back face side plate 3 arranged on the back face s...
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JP4495849B2 |
An anti-loosening nut assembly is composed of an upper nut 3 and a lower nut 2 that engage with each other in an eccentric manner to afford the so-called "wedging' effect of surely inhibiting them from loosening themselves. The upper nut...
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JP4493135B2 |
A combination of a screw and a screw driver bit and a header punch for its manufacture capable of effectively preventing a come-out phenomenon of the screw driver bit by improving the structure of a groove part in a cross groove of a scr...
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JP2010139011A |
To allow a smooth screw tightening operation, without generating axial inclination of a screw, even when a slight deviation exists between axes of a screw driving hole and a tip part of a driver bit, when engaging those. This screw 1 is ...
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JP3159957U |
To provide a highly versatile fastener which can be applied not only to a dedicated wrench or a spanner but also to a hexagon wrench or a hexagon spanner. In a passive portion 100 of an outer peripheral wall 10 that receives a rotational...
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JP2010091102A |
To solve a problem wherein a time is required for inserting a wrench in a narrow place, a place difficult to be reached by hand, or in case incapable of viewing an inside of a top part of a hexagon socket cap screw, although a hexagon wr...
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JP3158953U |
To provide a bolt which functions as theft prevention of a license plate and can maintain decorativeness for a long period of time even in a harsh environment. A bolt head 1 is formed in a circular shape. An inclined surface 2 is formed ...
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JP2010084931A |
To provide the screw which can get the condition being hard to separate the screw driver part of a screw driver from the screw driver engaging recessed part of the screw top part and control the production cost comparatively at low and t...
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JP2010078145A |
To provide a sealing screw which exerts a nearly perfect sealing function.A rotation handling member 4 is provided in a periphery of a rotating member 2 with a threaded part 1. This rotation handling member 4 includes a cylindrical part ...
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JP4447558B2 |
To provide a screw fastening device that, when performing a screw tightening operation, can substantially reduce the running torque directly applied by external force 5 to a screw driving device. A characteristic constitution is adopted ...
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