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JP6682400B2 |
To provide a junction structure of a structural skeleton of a wooden building that has a second structural skeleton and a third structural skeleton coupled and fixed vertically to a floor panel 2 through joining metal fittings and that p...
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JP6681177B2 |
To provide an antivibration structure member capable of improving workability.A short plate 30 has a slot 32 that forms an opening along the longer direction of the short plate, and a long plate 40 has an insertion hole that forms an ope...
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JP2020056154A |
To provide a joint using an incomplete screw part of a male screw part which can satisfy both of requirements on tensile resistance strength and compression resistance strength, enhance versatility, and reduce cost by reducing the number...
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JP2020051522A |
To provide a smaller and lighter corotation prevention bolt than a prior one.A bolt 16 includes a shank 16s having a male thread formed on an outer circumference, a head 16b formed in a terminal end of the shank 16s and having a larger d...
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JP6673540B2 |
Provided are a structure of a nut and a feed screw mechanism capable of keeping a bolt tightening torque small. The nut 12b includes a cylindrical portion 19a and a slit 20a. The cylindrical portion 19a has a female screw portion 14b on ...
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JP6670501B2 |
To provide a fastening member capable of firmly connecting a male screw member screwed into a female screw member at an arbitrary position, and preventing excessive increase of resistance in screwing.A fastening member 1 is a fastening m...
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JP6666818B2 |
To provide a rotating shaft fastening structure which can reduce wobbling while securing easy assembling performance.A rotating shaft fastening structure has a tapered part 32 which is contracted in a diameter toward a screw part 30 arra...
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JP6666571B2 |
To facilitate fastening operation of a screw member, while preventing loosening thereof.An information processing unit includes an information processing unit body, a screw member removable from a first thread part of the information pro...
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JP6661632B2 |
The present invention relates to an anti-loosening bolt coupled to a bolt and a spring and, more specifically, to an anti-loosening bolt which can: prevent the bolt from being unintentionally loosened by a rotating object or by continuou...
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JP2020034092A |
To provide a falling prevention device that is easily attached to a bolt.A falling prevention device 1 includes a coil spring part 2 for a bolt, a first protrusion 3, a second protrusion 4, an extension part 5 and a curved body 6. The co...
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JP2020036398A |
To improve efficiency of solar panel installation work.The present invention relates to a solar panel fixing structure in which two or more solar panels are mounted on a pedestal while being spaced apart from each other, a top face of th...
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JP2020034106A |
To improve the fatigue strength of an attachment joining structure of a pin part.In an attachment joining structure 30 of a pin part, the pin part 18 has a flange part 34 at an intermediate portion in an axial direction, and has a male s...
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JP6653492B1 |
To provide a structure of a bolt and a nut capable of preventing loosening at a tightening position. A bolt having a head and a screw shaft and a spring washer through which the screw shaft is inserted and the head is not insertable are ...
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JP6652250B2 |
The invention relates to a panel holder for fastening a panel on a housing frame of a switchgear cabinet, wherein the panel holder is an open clip, which has two free push-in portions, which can be braced against one another for engageme...
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JP6651279B1 |
The bolt nut (1) has a substantially cylindrical nut body (4), a plurality of nut split bodies (4a), a substantially cylindrical cover body (5) that covers the nut body (4), and a cover body (5). ), And the nut side formed so that the ou...
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JP6651244B2 |
To provide a bolt capable of preventing loosening in a reliable manner after being screwed into an object of various kinds including an ordinary nut.A loosening prevention bolt 10 includes a screw hole 13 for a set screw, which skews fro...
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JP2020023991A |
To provide a lock washer capable preventing loosening of a bolt and a nut in a fastened state, and easily loosening them in maintenance.A lock washer 1 disposed between a nut 4 and a mounted object 2, is composed of first and second memb...
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JP2020024027A |
To provide a locking fastener excellent in loosening prevention function.A locking fastener 1 includes a bolt 10 which has a large-diameter shaft part 12 provided with a large-diameter male screw part 12a, and a small-diameter shaft part...
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JP6643419B2 |
To provide a component for a bicycle which inhibits rattling on a frame.A drive unit 10, which is one example of a component for a bicycle, includes: a housing 20 which rotatably supports a crank shaft; a first attachment part 28 which i...
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JP6640967B1 |
To provide a loosening prevention method which can easily and quickly perform a tightening operation on a bolt and can obtain a strong and reliable loosening prevention effect. A first bolt 11 having a head of a bolt and a second bolt 12...
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JP6640963B2 |
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JP6641424B2 |
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JP6638005B2 |
Provided is an insert member for an open end wheel nut, which is capable of improving the workability of dressing up the car in the case of mounting a wheel using the open end wheel nuts. An insert member 1 for an open end wheel nut incl...
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JP6638307B2 |
A member-installing structure 90 having a main shaft 11, a sun gear 61, a washer 92 and a nut 93, wherein: the main shaft 11 has a recessed section 11d on one portion of the circumference; the nut 93 has recessed sections 93b on the circ...
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JP6637713B2 |
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JP2020005842A |
To provide a mounting tool having a loosening prevention part for preventing fixation of members with each other by a screw from loosening.A mounting tool comprises: a plurality of mounting parts 111 and 112 on which a washing machine 20...
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JP2020008121A |
To provide a fall prevention metal fitting capable of safely and rapidly performing the work when attaching fall prevention metal fittings such as split pins and snap pins to the tip of other members such as bolts without the need of too...
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JP2020003057A |
To easily prevent loosening by using a flat washer.A pin hole is formed at a surface of a flat washer 1, the pin hole and a groove are formed into groove forms at a rear surface, and a pin 4 is inserted into the pin hole. A flat washer 2...
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JP6626546B2 |
Provided is a detachable washer for preventing loosening by preventing the bolt or the nut fastened to a fastening target from being easily rotated in a loosening direction, by using the magnetic force of a magnet (200) and structural fe...
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JP6621177B2 |
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JP2019203585A |
To provide a means which performs reverse rotation prevention of high screw fastening mechanism, that is, reliable locking of the screw fastening mechanism and, at the same time, makes a position engageable with the screw fastening mecha...
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JP2019534432A |
The present invention includes a leveling device, including a pillar 1 in which the upper end 3 can be mounted on a device such as a machine and the lower end is mounted in a leg 5, wherein the leveling device includes fastening means 2....
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JP2019534430A |
Multi-patch threaded fasteners include a shaft with a threaded portion and two or more polymer patches located on the shaft. Two or more polymer patches bite into the mating threaded component to prevent it from coming off the mating thr...
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JP2019203516A |
To provide a nut falling prevention tool capable of preventing a nut from falling by co-rotating with the nut, even in a case where the friction force with the nut becomes large.A nut falling prevention tool 1 is composed of an elastic w...
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JP2019534431A |
The screwed fastener having the composite type locking mechanism is arranged in the shaft portion having the threaded portion, the first locking mechanism arranged in the threaded portion, and the threaded portion, and covers the first l...
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JP6613045B2 |
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JP6609027B2 |
A tool arrangement with a screw-in tool and a tool receiver, the screw-in tool having a thread for engagement in a counter thread on the tool receiver. The counter thread and the thread have different thread contours and therefore, in th...
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JP2019196778A |
To obtain a screwing structure capable of preventing occurrence of screw looseness.In an elastic piece 21 having a second opening 21A into which an extension screw 3 is integrally rotated from a body 20, an end 21C protrudes in a directi...
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JP6606315B1 |
In a double threaded structure in which two types of threads are formed: a first thread (S1) with one or more threads on the thread shaft and a second thread (S2) having a lead larger than the lead of the first thread (S1). Provided is a...
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JP6605402B2 |
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JP6605403B2 |
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JP6605423B2 |
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JPWO2018155572A1 |
Provided is a bolt fastening structure that does not easily loosen even in a vibrating environment. The fastening structure 100 according to the present invention comprises a male screw 10 having a threaded portion 11 having a screw thre...
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JP6601777B2 |
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JP6601837B2 |
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JP6602582B2 |
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JP2019190647A |
To provide a compact support bolt fastener that can be attached to the support bolt easily and can be manufactured easily.This invention relates to a fastener 5 in which a cylinder 7 is provided with an upper part 7a on which a bolt inse...
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JP6600469B2 |
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JP6599971B2 |
A method for making a hollow screw, comprising the steps of- forming a shallow cup having a radially outwardly extending rough cut flange at one end thereof from a generally flat metal material;- extruding an elongated and hollow body fr...
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JP2019183907A |
To provide a spring lock screw hardly generating looseness due to vibration and the like when it is used as a temporary fixing means and further capable of facilitating its temporary fixing work.A spring lock screw 1 comprises a handle 2...
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