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JP6499677B2 |
A lockbolt for installation into apertured workpiece members, comprising a pin having a head and a tail end provided with locking grooves and a single pull groove, wherein an installation tool having a collet with a corresponding shape t...
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JP2019027582A |
To solve the problems that an airplane, an automobile or the like is desired to reduce its weight, and also a bolt is desired to reduce its weight, and that it is difficult only for a bolt and a nut to prevent looseness resulting from vi...
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JP6468557B2 |
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JP6467184B2 |
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JP6459010B2 |
The present invention relates to a torque transmission driver comprising: a main body having a first end portion and a second end portion; the first end portion adapted to receive and transmit torque from a torque generation source; the ...
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JP6440266B2 |
A fastening system comprising a driver tool bit and a complementary fastener head is provided. The coupling between the driving end of the driver tool bit and the fastener head occurs via at least one protruding ledge located on the driv...
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JP6432246B2 |
To provide a screw member which enables improvement of the work efficiency of work using a fastener, and to provide a manufacturing apparatus of an electrode assembly.A bolt 57 used in a manufacturing apparatus of an electrode assembly i...
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JP6433308B2 |
To provide a detection device which can suppress reduction in detection accuracy of an axial force.A detection device which detects an axial force of a bolt member having a head formed with a recess comprises: a bearing member at least a...
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JP2018185043A |
To improve fasteners to reduce weight while maintaining durability and functionality.Fasteners are disclosed having reducing mass while being configured for use with standard torque delivery tools. The fasteners include non-torque bearin...
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JP2018179032A |
To fasten a member to be fastened, to make it impossible to easily adjust a length of the member to be fastened.A fastening structure includes: a member to be fastened where a first screw part is formed on an end part side; a first nut h...
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JP6422497B2 |
Screw elements are provided which include a shank having a thread and a head connected to the shank, the head having a tool engagement portion which comprises six corner domes arranged evenly distributed in the peripheral direction of th...
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JP2018155252A |
To provide a bolt capable of reliably sharpening a corner part of a bolt head of a bolt manufactured with cold forging.A bolt 1 is manufactured by cold forging, and configured such that a bolt shaft part 3 extends from a polygonal bolt h...
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JP2018155366A |
To provide a screw capable of being fit to a bit fitting groove smoothly and promptly, and being prevented from providing concentrated stress onto a bit fitting groove portion during screw fastening work so that generation of a burr-like...
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JP2018151055A |
PURPOSE: To provide a rotary square bolt which is easily fixed to a bolt hole of a member, can be adjusted, and is not easily removed once the rotary square bolt is set.CONSTITUTION: A rotary square bolt penetrates through a bolt hole of...
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JP6391972B2 |
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JP2018128131A |
To provide a bolt that hardly causes a head to be slipped even when a bolt head has a low-height, and to provide a method for fastening a bolt.A bolt is constituted of: a head part 1 including a hexagonal prism part 11 (outer peripheral ...
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JP2018119611A |
To simplify a fixing work without spoiling an appearance in a fixed state of a panel.When a panel fixing screw 10 is screwed into a panel 50, the panel 50 is cut by a cutting part 18 provided on an opposite surface 14a to the panel of a ...
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JP6358870B2 |
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JP6347810B2 |
A semi-left-hand-thread-removal screw, comprising a screw end head and a bolt, wherein a sink hole is provided on the screw end head, a lower portion of the sink hole is an inscribed polygon structure or an I-shaped structure, a thread w...
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JP6336472B2 |
A twist-drivable pin assembly includes first and second drivers, each having a driving end which can be received in a bore in the end of a twist-drivable pin, and an opposite end at which torque can be applied. The cross-sectional shape ...
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JP2018059566A |
To provide a hexagonal wrench hole structure of a recoverable rotation stationary member capable of solving problems on conventional arts, and facilitating recovery work for the rotation stationary member to be recovered from an object.A...
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JP2018048656A |
To provide a theft prevention bolt that can be tightened by using a general tool without generating a waste without impairing appearance.A theft prevention bolt includes: a shank 2 formed with a body male screw part 4; and a head part 3 ...
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JP6292714B2 |
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JP3214888U |
[Subject] Quick work is enabled and a bolt which has durability is provided. [Means for Solution] Iron plus reinforced plastic is used for an axial part of a bolt, and it has a screw thread of 24 degrees - 27 degrees of crank angles. If ...
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JP2018025204A |
To provide lock means, which cannot rotate by other than a dedicated key adaptor, in which a key adaptor does not idle, and which cannot be taken out even by using a special tool.A lock nut 100 according to one mode of lock means of the ...
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JP3214889U |
[Subject] A 2 hole type round shape bolt which can work effectively and rationally is provided by providing two holes and a nut in a main part of a bolt. [Means for Solution] In order to use a tool for main part head 4 of a bolt, a circl...
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JP6279075B2 |
A fastening system including a pin member and a key for engaging the pin member. The pin member includes a shank portion and a recess formed within an end face of the shank portion. The recess includes a plurality of splines and recesses...
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JP6280053B2 |
In order to optimize a nut and a method for the production of a nut, comprising a nut body which is provided or can be provided with an internal thread and has a polygonal section with a polygonal outer contour which has, on the one hand...
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JP6267749B2 |
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JP2017227319A |
To provide a screw that does not drop off from a screw driver whatever material quality may be used in the screw and additionally the screw can be easily fastened with one hand even if the working location is narrow to eliminate inconven...
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JP2017222005A |
To provide a bolt/nut fastener which can loosen or fasten bolts from one side while preventing the co-rotation of the bolts which are different in diameters as far as a grooved bolt is used, and the grooved bolt.The bolt/nut fastener com...
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JP2017215042A |
To provide a fastener system having straight walled driving surfaces that provides a reliable stick fit while improving stability of engagement between system components.A fastener is configured to have a projection 211 extending axially...
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JP6240357B1 |
[Subject] When a socket with magnet is fitted in, it can be made to enlarge magnetism. [Means for Solution] A male screw is formed in axis part 2, and it has hexagon head 3 at the end of axial part 2, and a paint is applied to at least 6...
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JP2017207077A |
To provide a bolt capable of preventing the breakage of a bolt bundle at a fastening work time so that it does not need a tool exchange by the shape of a bolt head part, a bolt fastening tool, and a fastening method using the bolt.A forc...
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JP6226344B1 |
[Subject] While enabling cheap manufacture by cold-forging and holding the conclusion power by high axial tension, The security nut which uses for raising an effect stop slackening, without discarding the hexagon head part made to fractu...
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JP3213223U |
[Subject] While being able to perform screw fastening speedily, even if it does not carry out an increase bundle, a firmly fixable one hole type two-step type bolt is provided. [Means for Solution] While establishing one hole 13a in mino...
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JP6213325B2 |
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JPWO2016103751A1 |
To provide a fastening kit 1 including at least one of a male screw 2 with a head and a female screw 4 and a socket 3 which is a dedicated tool that can be used only for the screw (2, 4). Increase the rate at which screws (2,4) are preve...
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JP3212517U |
[Subject] A screw which fabricates a drive concave on a screw head, and a corresponding punch are provided. [Means for Solution] Including head 24 by which a screw was formed in a upper end of rod object 22 and the rod object 22, drive c...
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JP6170521B2 |
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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JP6167500B2 |
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JP6169597B2 |
A bone fixation device comprises an elongated body extending from a head at a proximal end to a shaft at a distal end along a central longitudinal axis. A slotted opening extends distally into the head by a predetermined distance, the op...
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JP6157010B2 |
A torque transmission driver has a main body having a first end portion adapted to receive and transmit torque from a torque generation source and a second end portion opposite the first end portion having a series of four, five or six l...
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JP6151124B2 |
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JP6151252B2 |
The present invention relates to a torque transmission driver comprising: a main body having a first end portion and a second end portion; the first end portion adapted to receive and transmit torque from a torque generation source; the ...
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JP2017106610A |
To provide a fastener having a superior durability against shearing load and a fastening structure for metal plate using the fastener.This invention discloses a fastener 10 for use in fastening two or more metallic plates 1, 2 having fas...
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JP2017075690A |
To solve a problem in a conventional phillips screw that it requires vertical strong force when being used.A tip of a driver is formed into the plate-like circular shape by forming a cross-section of a groove of a screw into the semi-cir...
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JP6118852B2 |
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JP6106655B2 |
A locking system includes a casing, a covering component, a locking component, and a locking release component. The casing is to house a device in the casing having an opening. The covering component is to cover the opening of the casing...
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JP2017057962A |
To provide a screw capable of attaining a smooth and fast fitting of the screw to a bit fitting groove and capable of performing an effective and positive prevention of occurrence of burr-shaped deformation protrusions at a crossing edge...
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