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Patent Searching and Data


Matches 401 - 450 out of 1,507

Document Document Title
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 ...  
JP2011133088
To provide a fixing structure for enabling a reduction in fastening force to be prevented even when a composite plate, which is fastened by a bolt as a cover for preventing heat transfer and vibration propagation from a member generating...  
JP2011112218
To provide sure fastening of a bolt (4) according to thinning of a wood building material (5) of a wooden frame, even when the wood building material (5) is thinned by drying, by a high resiliency extension washer (1) which is deformed i...  
JP2011105276
To provide a structure capable of sufficiently separating a handlebar from a top bridge, and as a result, capable of improving flexibility in design.A recessed part 67 allowing deflection of a washer 31 is provided adjacent to a first co...  
JP2011088552
To provide a fastening method achieving a target resonance frequency of a vehicle body in a fastening operation at a specified torque by interposing the automobile subframe rigid collar.In the fastening method, after inserting from the t...  
JP2011086720
To reduce the distortion of a circuit board when a thermal load is applied on the circuit board and a case body, in an electronic device.A first legged washer 140 is used for screwing the circuit board 110 to the case body 120. The first...  
JP2011075085
To provide a bolt coming-off prevention structure capable of preventing coming-off of the bolt certainly and facilitating to attach and detach the bolt.The coming-off prevention structure for the bolt 16 that fastens a rotating object gu...  
JP2011069439
To provide a fastening structure for fastening a screw having a screw slack preventing function in a screw mounting section in which a screw fastening implement is mounted.A first plate section 7 with a first through hole 7a for fastenin...  
JP2011068950
To provide a method for producing a spring washer-fitted high tensile strength bolt by various steel kinds, where the use of raw material not quenched as the material for a bolt is facilitated, and the production cost of the spring washe...  
JP2011058528
To provide a fulcrum bearing device of a pulley arm which can surely prevent the intrusion of a foreign matter into a fulcrum bearing, and can prevent the damage and the defect of a tight-sealing elastic seal at assembling.A boss 7 is fo...  
JP2011052487
To provide a fixing device which surely obtains a stable fixed state when erecting an anchor bolt embedded in a foundation or the like, on leveling concrete, and easily attains horizontal position adjustment and leveling if necessary.Thi...  
JP2011052787
To prevent a great Barkhousen effect from being attenuated, when fastening a fastening member with a magnetic member having the great Barkhousen effect.This fastening member 10 includes the magnetic member 30 having the great Barkhousen ...  
JP2011052777
To prevent a recess from being generated in a welded portion, even when welding both end parts of a band material by beam welding, in a manufacturing method of manufacturing a belleville spring from the band material.The band material 10...  
JP2011052585
To provide head cover fixing structure achieving both of a centering function and good sealing performance, even in a type in which a center position in a width direction of a head cover is fastened with a bolt.In the head cover fixing s...  
JP2011033167
To provide an anchor instrument and an anchor member used for the anchor instrument surely preventing the anchor member from falling off a screw shaft.The anchor member 30 mounted to a nut 20 screwed with the screw shaft 10, and insertab...  
JP2011027143
To provide a small chain tensioner releasing excessive pressure in a pressure chamber.In the chain tensioner 1, a plunger 10 is slidably inserted in a cylinder 9, an oil supply passage 21 guiding hydraulic fluid in the pressure chamber 2...  
JP2011012733
To provide a structure for preventing coming off of a bolt, protecting a bolt head while preventing coming off of the bolt.This structure for preventing the coming off of the bolt 16 tightening a rotating object guard 7 to a stay 13 incl...  
JP2011012771
To provide a washer capable of being used for bolt-joining of a different metal member, especially for fastening of a magnesium alloy member by an iron-based bolt, and exhibiting excellent electric corrosion resistance and durability (ad...  
JP2011006778
To provide a linear object comprising a magnesium alloy which has excellent heat resistance and excellent plastic workability.Specifically disclosed is a linear object comprising a magnesium alloy, which contains 0.1 to 6% by mass of Y a...  
JP2011007301
To provide a fastening omission preventing confirmation member capable of confirming prevention of fastening omission even when fastening is loosened after fastening is carried out once in an electrical connector.The fastening omission p...  
JP2011007290
To provide a structure provided having a frictional force reducing part to thereby suppress loosening of a bolt.The structure 1 includes the bolt 30 having a bolt head 32 and a screw part extending from the bolt head 32, a bracket 20 hav...  
JP2011007332
To provide a fixture assembly with a novel structure having a fixture for fixing an attachment tool to a workpiece without requiring the use of an adapter or any other special attachment tool relative to a nosepiece of a fastener-driving...  
JP2011008939
To provide a crimping terminal connection structure in which a crimp terminal having a size, such that it protrudes slightly from a washer body part for a terminal can be connected, despite having detent protrusion pieces.In the washer 1...  
JP2010288356
To provide a washer that enables prevention of skidding when installed and can be easily installed and a locking device with which the operation of fixing a first member and a second member to each other is facilitated and the strong joi...  
JP2010281450
To provide a disc spring storage case which assures a high bolt loosening preventive effect, allows easy mounting of a disc spring while reducing a risk of dropping the disc spring, allowing checking the disc spring from outside, and red...  
JP2010276124
To provide a tightening tool capable of obtaining an axial force required when tightening with a predetermined tightening torque in tightening a tightened body formed of thermal spraying coatings for rust prevention.In the tightening too...  
JP2010270853
To obtain a fender mounting structure improving the ease of work in fastening and fixing a fender panel to a vehicle body structure by using cylindrical or ring-shaped collars.In a state that an engaging part 72 enters inside an elongate...  
JP2010270805
To surely prevent looseness by singly using a hexagon socket bolt.The shape of a conventional hexagon socket bolt is changed and divided into two parts of a cylindrical cap with a conical hole and a hexagon socket conical head male threa...  
JP2010248769
To provide a technique of filling the whole interior of a communicating through-hole with a filler, facilitating inhibition of the ingress of air bubbles into the filler, and ensuring workability in nut tightening work in execution of at...  
JP2010230148
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...  
JP2010223363
To provide a magnesium alloy member fastening structure for fastening a member formed of a magnesium alloy and a member formed dominantly of dissimilar metal more precious than magnesium to each other while inexpensively insulating both ...  

Matches 401 - 450 out of 1,507