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JP2005337485A |
To provide a connection means capable of sufficiently coping with the requests of high-rise buildings and antiseismic buildings and efficiently, safely, and easily fixable at low cost without requiring any skill, a bolt hardware, a nut f...
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JP3717391B2 |
To use force applied to a bolt as opposing holding power applied to a bolt member or a washer in an opposing direction when mutually coupling two parts. This device is provided with a screwing part 2, the bolt member 1, a friction washer...
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JP2005299814A |
To provide a bolt which is made not to be removable using an all-purpose machine tool after being screwed in so that an accident caused by mischievous removal thereof can be prevented.A half-spherical head 4 is provided on either edge of...
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JP2005290112A |
To obtain a torque coefficient stabilizing agent which is applied on a material member having a screwed part such as a fastened bolt to reduce an ambient temperature dependence of the axial force of the screwed part at the time of fasten...
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JP2005282846A |
To improve safety of equipment such as a bicycle by visualizing fastening status of a quick release and a bolt with a knob.By fastening the quick release 1 and the bolt 2 with the knob through a spring hole 12 and a base hole 13, the spr...
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JP2005280836A |
To prevent volatilization, leakage accidents or the like of content by fastening a screw or a stopper plug with proper torque.In the stopper plug, adjustment of fastening torque is carried out in reference to a bore and diameter of cam m...
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JP2005257013A |
To provide a mounting structure capable of releasing the mounted and connected state with a screw without deforming and damaging a mounting material and a mounted material and without loosening the screw by a simple structure.A screw pas...
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JP2005247222A |
To easily remove on-vehicle components from a vehicle body by property reflecting a state of a vehicle or an occupant in addition to the will of an operator.A safety checking device 11 determines drive permission of a separated actuator ...
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JP2005249087A |
To provide a fastening structure of a structural material using a high-strength bolt, controlled to high quality regardless of work environment, and advantageous to lowering the cost and labor-saving.A disc spring 24 has a nonlinear char...
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JP2005249058A |
To make the screw loosening difficult with easy designing for fracture by rotation torque and initial tightening torque even in the structure to connect a pulley and a rotating shaft with a screw.A male screw 34 formed in the rotating sh...
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JP2005244103A |
To provide a box-body airtight structure, in which the scattering of a part by an explosion is inhibited minimally by a simple structure and man-hours for a design are decreased, which is lightened, the space of which is diminished and t...
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JP2005233289A |
To provide a method to sense certainly a screw slacking and a slack sensor assuring simple mounting and an easy re-mounting and a slack detector.A nut is provided with a mark to show the position in the rotating direction, and a referenc...
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JP2005226789A |
To provide a nut with a torque limiter enabling the control of a tightening force with a constant torque.This nut comprises a nut body 4 threaded to a stud bolt 2 extending through a wheel 1, a cylindrical rotating cover 5 connected in t...
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JP3686185B2 |
To enhance measuring accuracy by eliminating the influence of dispersion in a friction coefficient. An axial force-rotation angle graph showing the relationship between an axial force and the rotation angle of a bolt during loosening of ...
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JP2005207563A |
To provide a building fastening means sufficiently adaptable to a high rise building or an earthquake resistant building for highly efficient, safe, easy and inexpensive fixture without requiring skills, and to provide a nut fitting, an ...
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JP3679442B2 |
PURPOSE: To provide a unique blind bolt structure having a high strength fastener over a wide fastening range by facilitating the use of a high strength material and providing a spline portion having a maximum diameter. CONSTITUTION: A b...
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JP2005522688A |
The invention relates to a control device for non-positive connections, especially screw connections. The device includes two force application elements and a measuring element arranged therebetween. The measuring element is at least par...
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JP2005180508A |
To provide a fastening method, exhibiting stable axial force.This fastening method comprises: a process of positioning a part 50 to be fastened between a thread groove 61 of a base body 60 as a first fastener and a bolt 40 as a second fa...
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JP2005517586A |
Safety device for opening a bearing, especially a pedal bolt bearing of a motor vehicle. The device comprises a unit for destroying the bearing bolt (2) to open the bearing and release the connection part or pedal body (1). The unit for ...
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JP2005140314A |
To solve a problem of causing countless disasters such as various falls, service interruption and crashes by the looseness of bolts and nuts due to insufficient fastening or a failure to fasten the bolt and nut in conventional washers wh...
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JP2005133889A |
To provide a shaft-shaped fastening tool capable of surely controlling fastening torque while visually confirming it, and being inexpensively manufactured.Male screw parts 3, 4 and a pin tail 5 are mounted on a round shaft body 2, and a ...
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JP2005127502A |
To provide a washer comprising two inner and outer annular bodies that are coaxially juxtaposed to each other and to make it possible to hold a mutually nonturning state and besides for one annular body to be displaced in its axial direc...
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JP3640466B2 |
To improve efficiency of press working in a factory for prepared holes for bolts, etc., and drastically improve its workability by providing a prepared hole for the bolt having the diameter larger than the tolerance and interposing reinf...
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JP2005509806A |
A fastening system is providing, the fastening system has a weld stud welded to a sheet metal surface at a weldment portion to form a weld joint. The system additionally has a fracturable nut coupled to the weld stud. The fracturable nut...
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JP2005091086A |
To provide a bolt axial force detector capable of simply detecting an axial force generated in a bolt at a low cost and controlling fastening of the bolt, without embedding strain gages into the whole of threaded parts.A setting hole 13 ...
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JP2005088104A |
To provide a torque control nut, a torque control method and a socket for a power wrench, dispensing with marking for torque controlled nut, and controlling torque cost-advantageously.This torque control nut 1 is circular in periphery an...
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JP2005069312A |
To provide a washer for detecting the slack of a versatile bolt that can detect the slack even for the structure that the detecting work in the field is difficult and the structure that the tremendous time for the detecting work, etc. is...
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JP2005069393A |
To connect a plurality of members 1 and 2 to be fastened with one connecting bolt 14, preventing turning of the members 1 and 2 to be fastened in relation to each other, at low cost.The members 1 and 2 to be fastened are provided with sq...
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JP3624399B2 |
To prevent fatigue and looseness of a fastening body by uniformizing the stress concentration for a bolt and a nut by solving the problem that large stress due to shear lag is concentrated in a screw bottom part of the bolt corresponding...
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JP2005042911A |
To tighten or loosen an object to/from a rotary base by axially moving the object without rotating a bolt.When the object such as a gear is mounted on the rotary base by the bolt, a nut and a washer by using a single power tool having a ...
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JP2005036962A |
To provide a fastener with a washer having excellent water leakage preventing effect when the fastener itself independently fixed to a base material is applied.This fastener includes the washer 1 made of a resin with a coating layer 12 h...
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JP2005009582A |
To prevent a flange coupling portion used at a low temperature from suffering from deterioration of hermeticity due to thermal contraction.In a fastening structure, a first flange 11 and a second flange 12a are superposed to be fastened ...
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JP3609417B2 |
PCT No. PCT/SE95/00362 Sec. 371 Date Mar. 10, 1997 Sec. 102(e) Date Mar. 10, 1997 PCT Filed Apr. 5, 1995 PCT Pub. No. WO95/29343 PCT Pub. Date Nov. 2, 1995A rotatable device, such as a screw, a bolt, etc., comprises a cylindrical clip (4...
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JP3606009B2 |
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JP2004332813A |
To provide a screw thread allowing to disassemble a screwed member in a short time.This screw thread is provided with a screw thread main body 5 having a first head part 52 provided with a recessed part to be engaged with a screwdriver, ...
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JP2004311310A |
To provide a coupling member, which is not easily bent by itself, capable of easily confirming the coupling state of itself by fixing a coupling part of themselves in a prescribed angle.In a coupling member 1, in order to connect a heate...
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JP2004286551A |
To provide a sensor bolt free from the anxiety of consuming up a battery, usable semi-permanently and reduced in a size.A strain sensor 11 detects a strain generated in a bolt main body 10 by tightening it to a tightened body, and output...
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JP2004286150A |
To provide a bolt with a screw leg seal having a highly accurate value in actual mounting axial force in fastening torque management and a limiting temperature in high temperature use increased to a high temperature region.The outer peri...
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JP2004286111A |
To provide a fastening member and a bolt capable of being easily checked that it is fastened to a predetermined axial force without generating a refuse.In the fastening member 1, a seat 4 of the fastening member 1 is seated on a seating ...
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JP3568168B2 |
PURPOSE: To perform execution capable of controlling introducing axial tension by tightening a nut simultaneously with extending its unscrewed part, generating a contact pressure between a nut spread bottom part and an end plate, and sec...
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JP2004245253A |
To provide a torque shear type screw fastener improved in corrosion resistance.A female screw part 1a of a nut 1 is screwed to a male screw part 2g of a metal torque shear type high-strength bolt 2. The nut 1 is formed from ceramics.
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JP2004232847A |
To provide a unit having a function to regulate the bolt fastening force and to increase the fatigue life of the bolt.This detecting seat is composed of a washer 1, a strike plate 2, an elastic body 3 and a ring 4. The deflection of the ...
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JP2004232757A |
To provide a high tensile bolt manufacturing method for improving delayed-fracture resistance, and preventing the deterioration in quality by a shot blast.A screw part nonexistent bolt of a desired bolt shape is provided by performing co...
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JP2004225872A |
To provide a metal member uniting structure in which a pair of metal members can be stably fastened to each other with appropriate fastening axial force and in which it is possible to surely prevent generation of clearance and deformatio...
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JP2004524493A |
The present invention relates to a screw nut (10) for limiting an acting torque and a method corresponding thereto. The screw nut (10) has a threaded section (1) and a tubular section (2), where a predetermined breaking point (3) is arra...
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JP2004211854A |
To easily achieve the visual checking performance of a fastening state by a bolt.A first projection 17 of a disc spring washer 16 and a second projection 19 of a flat washer 18 are combined in an engaged state, a shaft part of a bolt 13 ...
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JP3545786B2 |
PURPOSE: To enable rupture of a screw head from a screw shaft by tightening force which exceeds a fixed torque of the screw head by forming a driver tightening hole which reaches from the head to the screw shaft. CONSTITUTION: A cross dr...
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JP3545410B2 |
A device for measuring a load on a part such as a bolt, comprises a socket having walls defining an interior space wherein the socket engages the bolt for transmitting a load to the bolt. An electromagnetic acoustic transducer comprising...
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JP3542627B2 |
PURPOSE: To improve leakage of fluid by enhancing a sealing function between an annular cylinder and an annular piston in a hydraulically actuating tensioning device. CONSTITUTION: A hydraulically actuating nut 16 includes an annular cyl...
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JP2004190779A |
To provide a fastener for preventing removal capable of effectively preventing a member broken and fallen by tightening operation from being lost and uncollectable.This fastener 1 for preventing removal comprises a screw part 2 having a ...
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