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Patent Searching and Data


Matches 401 - 450 out of 1,537

Document Document Title
JP2012206662
To provide a lightning-resistant and explosion-proof fastener that exhibits sufficient arc control effect, reliable fastening force of a fastener member and a fastening member and excellent work stability.An insulation cover 50A is confi...  
JP2012202551
To suppress backlash and abnormal noise and to fasten an assembling member to a member to be fastened, while securing stable tightening torque.In a vehicle seat 10, a contact surface 52 is provided on a head part 44 of a bolt unit 40, an...  
JP2012197935
To provide a spring washer which is used for axially preloading anti-friction bearings, and which has an excellent spring effect and is manufactured easily.The spring washer 1 includes an outer ring 2 and an inner ring 3 that is coaxiall...  
JP2012193850
To eliminate a risk of deformation of a washer while ensuring the easiness of assembly with a double washer.The double washer includes: a master washer 3 having a flange part at the upper end of a skirt part which is inserted in an ancho...  
JP2012193801
To obtain a positioning mechanism which is capable of fixing a position between two parts by a simple adjusting mechanism and which can easily be disassembled and readjusted.The positioning mechanism is structured to fasten an end part 4...  
JP2012189144
To provide a screw that improves workability while having superior appearance when mounted, and to provide a method for mounting the screw.The screw 1 includes: a shaft 3 on which a thread 11 is formed; a head 5 formed on a base end side...  
JP2012184808
To provide a holder for fall prevention, which reliably holds a bolt, nut and washer without causing the bolt, nut and washer to fall and which can screw the bolt and nut to each other while holding them as it is.The holder for fall prev...  
JP2012177365
To provide a joint assembly for coupling a casing.The joint assembly 40 for tightly securing flanges 42 and 44 with each other includes a bolt 50, a collar 52 and a nut 54. The bolt 50 extends through an aperture in the flange 42 and an ...  
JP2012171015
To provide a method for manufacturing washers and ring shapes with a small output press or a plastic processor for rotation processing or the like by plastically processing a metal tube material in such a way that the material disposal c...  
JP2012167523
To solve the problem that it is unavoidable in a general method that an anchor bolt is shifted from a reference position which is a position on design where the anchor bolt should be installed originally due to vibrations and errors or t...  
JP2012141061
To provide a fixing device, which reliably provides a stable fixed state, for example, when an anchor bolt to be buried in a base is installed upright on a leveling concrete, and which facilitates adjustment of a horizontal position and ...  
JP2012140985
To provide an anchor mounting device for civil engineering configured to increase a water-stop effect in a joint portion between a nut and a washer, and prevent, in using resin-coated nut and washer, the resin in a joint portion between ...  
JP2012112404
To provide a washer having a structure that disperses and reduces a vertical compression load transmitted via a screw related to the corrugated board fixing washer so that the load may not be concentrated on the axis of the screw, and to...  
JP2012107711
To provide a method of joining steel materials while locally improving a corrosion resistance of a part where the steel materials are joined using a drill screw by a simple method, without reducing workability in screw fastening.In the m...  
JP2012104614
To provide a magnet with a mounting structure, and an assembly capable of mounting the magnet to a mounted part while preventing cracks of the magnet, and easily removing the magnet from the mounted part while preventing damage on a moun...  
JP2012102783
To provide a fastening tool of simple structure, allowing easy and inexpensive manufacture, available in the same manner as conventional ones, and preventing a slack reliably.The fastening tool to tighten and fasten a bolt using a spring...  
JP2012092921
To provide a bracket which is used for attaching the other article (for example, article supporting leg) containing a bolt formed with a male thread to one article (for example, supported article), among two articles, using the bolt, whe...  
JP2012092950
To easily and visually check, from a remote position, a loosened state of a fastening means that fastens a member by screwing.A looseness determining tool 20 is provided for visually checking a loosened state of a bolt 11 and nuts 12a, 1...  
JP2012087848
To provide a stud bolt and a structure having the same, easy in installation, and capable of easily adjusting a position of the stud bolt even when an installation position to an installation object member is dislocated.The stud bolt 10 ...  
JP2012082897
To provide a metal waterproof washer capable of resisting the water pressure of a predetermined level or higher.The metal waterproof washer is formed of a soft metal material, and includes a through-hole in the center. At least one plane...  
JP2012082939
To install easily even if position relatively disposed along horizontal direction of installation holes in respective upper structure and lower structure is different from design.In an aseismatic base isolation device 1 of which an elast...  
JP2012082855
To provide a chain tensioner easy to manage and capable of surely securing an air vent passage at the front end of a plunger.A screw hole 19 is formed in the front end of the plunger 13 which is slidably inserted into a cylinder chamber ...  
JP2012072885
To provide a washer, a bolt locking structure, and electric equipment that are superior in versatility and facilitate torque management.The washer is sandwiched by a head of a bolt or a nut and a fastening member. The washer includes: a ...  
JP2012067873
To provide a bolt hole protective member capable of fixing a fitting member, which is temporarily fitted, without generating looseness when fastening a bolt.A bolt hole protective member 6 formed of a pair of washers 8 and 10 is previous...  
JP2012060767
To obtain a rotary electric machine which reduces the manufacturing cost without impairing the efficiency of the rotary electric machine.A stator of a rotary electric machine includes an iron core 17 in which through holes 14a, 14b where...  
JP2012047215
To provide a securing implement relating to a washer or the combination of a screw and the washer capable of confirming and detecting the slack of the screw after securing.The washer 20 is formed of a metal spring material, a through-hol...  
JP2012047035
To inexpensively provide a vertical buffer anchor pin for buffering vibrations of a bridge during earthquakes, by facilitating manufacture and construction.A vertical buffer anchor pin 3 is inserted into an abutment from a hole 4a of a f...  
JP2012031919
To provide a washer which materializes the even surface contact in a washer surface and is not deformed because of inclination or deviation of the washer itself thereby exhibiting the even axial force buffering action around the axis.The...  
JP2012026522
To provide a bolt capable of surely fixing an under cover to a battery case and ensuring insulation, and a mounting structure of a battery using the bolt.The bolt includes a screw section 101, and a head 102 arranged at one end side of t...  
JP2012017812
To provide an elastic washer further improved to become high rigidity ion the vertical direction and low rigidity in a state of having no angular limitation in the horizontal direction, by applying a device for mainly blending reinforced...  
JP2012017814
To provide a loosening-prevention screwing structure that can be re-fastened after fastened once, can exert a function for surely preventing loosening at a degree not lower than a prescribed value, and can secure a holding property of a ...  
JP2012007732
To provide a screw which can be identified to support the automatic setting of torque.A reverse 8 of the screw 1 on the side opposite to a front end 4 of a screw head 2 includes marking patterns 10, and the reverse 8 is sectioned into at...  
JP2012007625
To provide a locking washer, which avoids the occurrence of looseness at a fastening part by a fastening member such as a bolt and a nut and obtains a more stable looseness preventive effect even when stronger vibration shock is applied....  
JP2011256938
To provide an anti-slip seat for a fastening member capable of preventing displacement or slip of a fastened member when fastening and fixing a plurality of fastened members.The anti-slip seat for a fastening member includes anti-slip fi...  
JP2011246026
To attain tight fixing superior in heat insulation performance while preventing breakage of a heat insulation panel and to improve fixing work efficiency in fixing an article to be fixed to the heat insulation panel.A headed bolt 22 made...  
JP2011241937
To improve bolt fastening between aluminum components such that a stable fastening state remains for a long period.A fastening structure is provided for bolt fastening between two aluminum components (10 and 24). An aluminum washer (30) ...  
JP2011231860
To provide a washer which can enhance a corotation preventing effect.The washer 10 is composed of a flat plate provided with a bolt inserted hole 11 in its center and has on surface coming into contact with a fastener a recessed portion ...  
JP2011226508
To improve a holding face against a fitting part of a metal collar.A bracket is provided with a fitting part 3 where an insert hole part 3h is formed, and a metal collar 10 attached to the through hole part 3h. The metal collar 10 includ...  
JP2011226180
To provide an installation structure and an installation method of a bolt for fixing a facility to a roof such as a roof floor on which a waterproof sheet is laid, the installation structure and the installation method of the bolt for su...  
JP2011220387
To provide a screw looseness preventive structure capable of surely preventing looseness of a screw, without increasing the number of part items, and without increasing cost in manufacture.A plurality of recessed grooves (20A and 30A) an...  
JP2011214618
To provide a tapping screw with a washer, effectively preventing leakage of cutting powder generated when screwing an object to be screwed such as a gypsum board from the periphery of a screw head to the outside, exposure of a split part...  
JP2011208654
To prevent a first member 2 and a second member 3 from being relatively dislocated in the length direction of a long hole 21a, when fastening both members by inserting a bolt 41 into the long hole 21a formed in the first member 2 and an ...  
JP2011202721
To provide a nut with a washer easily attaining nut fastening even if the diameter of the washer is large, easily coping with the difference of the projecting dimension of a bolt, excelling in appearance and reducing chipped parts of woo...  
JP2011185344
To provide an economical fastening structure without deteriorating machining accuracy.In this fastening structure, a quenched metal member 10 is fastened to meal base material 12 by screwing a bolt 14. A tapered through-hole 16 having a ...  
JP2011184936
To appropriately and homogeneously perform fastening operation of a bolt or nut of an isolator protection device by simple operation while securing the locking effect of the fastened bolt or nut.The isolator protection device 2 includes ...  
JP2011185367
To suppress enlargement of a diameter of a hole for inserting a bolt even when axial force generated in association with fastening of the bolt is increased.A member connecting structure includes: an end plate 34 formed with a first conne...  
JP2011177843
To provide a piping valve operating method capable of turning a piping valve by a ratchet wrench of a regular standard even when the outer shape of a torque receiving part of a shaft of the piping valve is special.The operating method of...  
JP2011140996
To provide an installation angle adjusting type washer for precisely joining an object to be installed and an installation object by a bolt, even if a normal of an abutting part of a bolt head part of the object to be installed or an abu...  
JP2011140963
To provide a joint endurable against severe use, with a simple and inexpensive constitution.A nut 2 constituted of a hose installing metal fitting 1, the nut 2, a nut 3, a nut 4, a spring washer 5 and a pipe 6 is inversely formed in the ...  
JP2011133016
To provide a ball screw device which prevents the decentering between a washer and a screw shaft, enhancing quality.This ball screw device includes the hollow screw shaft 4, a ball screw nut screwed in the screw shaft 4, a rod 10 having ...  

Matches 401 - 450 out of 1,537