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Patent Searching and Data


Matches 601 - 650 out of 1,523

Document Document Title
JP2007046765
To provide a washer allowing a fastening method wherein work can be safely performed with one hand in bolt fastening at a construction site.The washer is provided with two protrusions 2 of about 2 mm in the head width of the bolt on both...  
JP3916085
To provide a fastening component for allowing easy disassembly of equipment without removing the fastening component from a structure, and to provide the equipment having fastening construction. The fastening component comprises a head p...  
JP2007039007
To provide a mounting structure and a mounting method for a resin vehicle panel capable of preventing fall of a member of a nut or the like for mounting the resin vehicle panel on a car body, avoiding peel-off of a coating film from the ...  
JP2007040505
To provide a fastening structure improving close contact properties of a fastened member to a curved surface by equally dispersing fastening force in a wide range of the fastened member fastened to the curved surface.A flare washer 10 of...  
JP2007024299
To provide a spring washer for ensuring fastening of a nut and a bolt and preventing looseness.The spring washer made of a steel plate is formed to fully utilize resiliency of steel by further providing upward camber parts and downward c...  
JP2007021339
To provide the disassembling method of articles which can be fastened with a screw and assembled by an easily disassembling fastening part in which fastening by the screw becomes ineffective when heated to a prescribed temperature or hig...  
JP2007024280
To provide a waterproof washer prevented from corrosion by preventing water from being poured on a rigid washer of metal or the like constituting a part of the waterproof washer.The waterproof washer comprises an elastic body washer 1 co...  
JP2007016882
To provide an automatic tightening means which can surely prevent the generation of a clearance corresponding to the degree of change with time even if performing rotation-preventing treatment such as applying rust-preventing coating on ...  
JP2007016864
To prevent the loosening of a screw for holding and fixing a waterproof sheet and a heat insulating material for a roof of a building.The fastener comprises the screw 1 having a drill part 5 and the disk-like washer 2. A seat face of a h...  
JP3905497
To provide a wheel nut which does not require the adjustment for the precision of the fitting (contact) between the outer peripheral surface of the cylindrical section of the nut body and the inner peripheral surface of the cylindrical s...  
JP3902708
To provide one function in relation to a wheel nut for restricting the magnitude of deformation of a wheel sheet, and for restricting a torque angle in the case of assembly. A wheel nut 10 includes a main body 12 having a vertical shaft ...  
JP3896179
To execute easily steel material integrated joining work without demanding for troublesome work and contrive to definite stress transmission even when the relative positions of the mutually joined steel pipes are deviated. Penetration ho...  
JP2006336809
To provide fastening technology with a flat head bolt for restricting the rotation of the flat head bolt in the loosening direction while permitting the rotation thereof in the joining direction and for preventing the associative rotatio...  
JP2006336855
To provide a method of easily fastening and unfastening a bolt or a nut to a fastened portion by using a socket wrench.A recess for inserting a washer with a spring having a saw-tooth projection, is formed on a surface of the fastened po...  
JP2006329402
To provide easy and simple confirmation of a fastened state of a fastener for a connector, to prevent omission of fastening, and to positively carry out electric connection of connectors.An annular main washer 120a formed with a section ...  
JP2006329415
To obtain high axial force from low fastening torque by reducing resistance between a bolt head and an object to be tightened.The washer is formed with a protruding part in at least a face sliding on the bolt head and the object to be ti...  
JP2006322469
To provide a waterproof structure of a member tightening part by a screw capable of allowing repetitive use without damaging a member and preventing a required space from becoming large.In this waterproof structure of the tightening part...  
JP2006316830
To provide a compacter fastening structure capable of easily cancelling fastening between fastened members while securing sufficient force of fastening the fastened members to each other.In the fastening structure 10, a split stopper 31 ...  
JP3882325
To maintain an initial vibration damping force even if slide surfaces of a sliding plate and a friction plate which constitute a friction damper, are worn. By supressing the reduction of friction force between them. with simple structure...  
JP2006316831
To provide a washer which can be inserted sideways into a bolt or the like without falling off when loosely fastened, and to provide its inserting and mounting method.The washer with an open/closed piece comprises the open/closed pieces ...  
JP3878780
To provide an indicating device that prevents troubles such as leaking of liquid after piping work caused by forgetting to tighten bolts and nuts or not tightening them insufficiently. A flat washer 6a that has a flat part 6b on the oute...  
JP2006308040
To provide a construction tool for quickly constructing a fastener device to be constructed at its single side in a well workable manner while preventing the corotation of the device.A tool mounting part 12 is provided on an open leg sle...  
JP2006300226
To provide an taper washer capable of properly tightening an article even when a bolt is not vertical to a tightening face of the article, and being properly tightened to a tightened face of the bolt at all times even when an angle to th...  
JP2006300299
To easily and surely prevent a bolt from missing due to looseness of the bolt.Several projections 2 are provided in an outer collar of a washer and notches 1 are provided by cutting in the direction from an inner collar to the outer coll...  
JP2006292017
To provide a supporting arm for a pulley arm achieving easy assembly, in which the dispersion of a collar can be prevented.A collar 13 fixed to an engine block 5 by fastening a bolt 15 is inserted in a shaft hole 11 formed in a pulley ar...  
JP2006275796
To measure the fixing forces of various types of fasteners in real time.A washer 1 is provided with a stress luminescent body 2 which indicates emission intensity according to the magnitude of given mechanical distortion. By measuring em...  
JP2006268047
To provide an engineered flexure component which is made satisfactorily flexible so that it may be curved, but not slide when the engaged surfaces of boundary surfaces coupled by a bolt relatively move.A member with an elastic mechanism ...  
JP2006258292
To provide a washer comprising two annular parts inner and outer and capable of being displaced in an axial direction without rotating the inner part relative to the outer part and being completely separated.In the washer provided with a...  
JP2006258278
To provide a washer which is superior in effect of inhibiting loosening of a bolt, a screw or the like and furthermore can maintain the superior effect.In the washer 1, rebound resilience elastic body 4 and a pair of thin wall rigid plat...  
JP2006258275
To provide a loosening prevention function of a nut in forming outer shape of a washer in order to prevent relaxing of the nut.Propping effect is given to a loosening direction side of a side surface of the nut by forming a cut and raise...  
JP2006242283
To provide a bolt-nut locking structure for a railroad vehicle capable of keeping maintainability while suppressing increase of the number of components.This bolt-nut locking structure 1 for a railroad vehicle comprises members 4 and 5 t...  
JP2006242324
To solve problems wherein molding of a conventional washer with a crest for locking is difficult and requires time and labor and high cost.This locking washer can be set or mounted on rear surface sides of respective head parts of screws...  
JP2006234154
To provide a washer member capable of obtaining stable caulking force by lowering a caulked part.The washer member 20 is used for fastening objects to be fastened 10, 12 with a rivet 1. In the washer member 20, a loosely inserted hole 21...  
JP3844237
To provide a gasket having a drop preventing structure capable of simplifying a structure by utilizing a screw part of a screw component sealed by a gasket, reducing the cost, preventing the deformation of a seal part, and easily determi...  
JP3840285
To enable speedy and easy operation, dispense with a special tool, provide a simple structure and low unit price, enable fastening after temporary fastening, and secure transmission of stress. A head 7a has a diameter which can be insert...  
JP3839987
To insulate a plastic cover from heat and to reduce cost by forming an assembly by including a nut main body, a cap having side wall ending on the intermediate part of the end part, a washer constituted out of low thermal conductive mate...  
JP2006207212
To provide a mounting structure through an anchor and a mounting method of a structure utilizing the mounting structure allowing a base of a new structure to be mounted to an existing skeleton without lowering its yield strength, with si...  
JP2006194362
To provide a cover member mounting structure for a construction machine, low in component cost, easy to install and free of deterioration and damage while removing problems with the looseness of a bolt from a cover member mounting part a...  
JP2006175446
To elongate the life of the tie bolt of the main clutch drum in a cold Pilger mill by easily carrying out the reuse of the tie bolt even if the tie bolt has been broken.In the tie rod for fixing the main clutch drum to the brake drum in ...  
JP2006177438
To prevent slipping of a tapping screw and obtain a sufficient tightening force without breakage of a screw thread of a screw hole formed in a metal plate when a tapping screw is screwed in the metal plate to be tightened.The tapping scr...  
JP3822355
To provide a conical washer which is small in material loss, and stable in strength and shape without changing the plate thickness of an inclined surface, and its manufacturing method. A manufacturing method of a conical washer includes ...  
JP2006170266
To provide a spacer for screw fall prevention and a screw fall preventive structure capable of holding a screw with head so as not to fall on a main member even if the screw with head is loosened or coming off the screw hole of an auxili...  
JP3816919
To provide joining hardware capable of tightening a joining part of framework without causing play and rickety motion in a joining method for the wooden framework. A bolt having a hexagonal head using a lag screw as a shaft and creating ...  
JP2006153061
To provide a fixing device for an anchor bolt capable of firmly fixing a structure at a correct position even if the anchor bolt is at any position in an anchor bolt insertion hole of a pedestal.This fixing device P for the anchor bolt i...  
JP2006153119
To provide a nut for foundation bolts capable of keeping fixed state without getting loose after the nut is fastened when fixing a fixing member that is fixed to a foundation bolt by fastening the nut.The nut is screwed on a foundation b...  
JP3814316
To uniformly distribute the pressing force generated on a structural component by a fastening element by providing two projections extending into the widening sections of the opening of the structural component, and making the outside co...  
JP2006144838
To provide a safe fixed axial force bolt device easily assembled and capable of preventing component parts from being loosened and falling in those construction works at a high place such as the installation of a tower for overhead trans...  
JP3811514
To prevent an attachment from slanted installation in a foundation material and the foundation material from being damaged by providing the attachment easily and surely installable in the foundation material by using an explosive powder ...  
JP3810978
To provide a flange tightening structure of a gas-insulated switch device, that can prevent arc discharge generated between washer or nut and flange used to tighten the flanges, when a grounding surge is generated in switching of a disco...  
JP2006138350
To provide a manhole connector connecting an upper cylindrical body and a lower cylindrical body by screwing a fastening nut to a bolt with a predetermined torque.This manhole connector A includes: a manhole cylindrical body 3 provided w...  

Matches 601 - 650 out of 1,523