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JP3341695B2 |
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JP3327516B2 |
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JP3327615B2 |
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JP2002266828A |
To provide a bolt fastening method capable of introducing the proper elastic force of a disc spring as bolt axial force and easily and efficiently fastening a bolt.The bolt-rotating directional phase difference between a fastening state ...
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JP2002242916A |
To eliminate the inconvenience that a shim is possibly slipped out and that an adjustment of butting, i.e., an object inherent to the shim becomes difficult in a butting surface adjustment mounting structure using a conventional shim.The...
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JP3318296B2 |
To provide a screwed type connector of simple constitution obtained by making new, useful improvement on a conventional one. This screwed type connector for connecting two parts to each other comprises a bolt member 1 having an axis, a t...
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JP2002236064A |
To provide a strain sensor and a bolt having the strain sensor capable of catching stress change with high sensitivity by shortening the distance from a stress concentrated point, embedding a stain gauge in an arbitrary depth according t...
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JP2002235716A |
To provide a screw member capable of preventing threads from being damaged even if excessively screwed.This screw member comprises a bar member having a head part at an end and subsequently having a shaft part without threads and a bar m...
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JP3312196B2 |
To easily confirm the fastening of a bolt and to detect even its looseness by attaching a cap to detachably fit on a polygonal bolt head or a nut and an indicator set with the cap in one or another body. A cap 5 has a recessed part to de...
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JP3309789B2 |
To suppress lowering of durability in a part where the stress of a connecting rod is increased. A screw hole 29 extended coaxially with a passing hole 27 formed in a cap 23 is formed in the rod main body 21 of a connecting rod. A bolt 28...
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JP3305615B2 |
To provide stable shaft force of a bolt and prevent lowering of shaft force according to external force load by reversing the bolt by an angle which is more than the angle corresponding to shaft direction external force applied to the bo...
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JP2002202213A |
To provide a detection method capable of visually confirming a tightening pressure on the whole when mounting equipment is mounted on an installation face.A pressure detection sheet 1 in which a pressure sensitive sheet 2 changing its co...
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JP3301435B1 |
To provide a bolted structure enabling the work of joining steel members to be performed with accuracy in a power-saving fashion without causing a decrease in strength of steel pipes, and a bolt component used therefor. A fixed component...
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JP2002519598A |
A threaded fastener for securing workpieces with a determinable desired clamp load and including a nut assembly and a bolt with the nut assembly including a nut member with a lock base having a load ring portion and a boss portion with t...
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JP2002181019A |
To provide a shaft force visual confirmation device capable of visually observing a degree of shaft force to recognize it precisely.This shaft force visual confirmation device is constituted such that a ringlike elastic body 30 is arrang...
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JP2002181026A |
To provide a tightening bolt set capable of preventing a washer and a nut from turning together, preventing a bolt from turning when tightening them and controlling a torque to a predetermined value.This tightening bolt set is constitute...
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JP2002178702A |
To provide a nut assembly capable of controlling axial force for pressing down a wheel, and a nut assembly with an axial force display device.This nut assembly is composed of a nut A11 for threadedly engaging with a bolt on the inner per...
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JP2002168219A |
To perform a weight saving and a critical design, etc., by controlling the dispersion of an axial force when a screw is tightened.This screw tightening method tightens and loosens when the screw is tightened. The axial force is calculate...
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JP3289108B2 |
PCT No. PCT/GB93/02175 Sec. 371 Date Apr. 20, 1995 Sec. 102(e) Date Apr. 20, 1995 PCT Filed Oct. 21, 1993 PCT Pub. No. WO94/11718 PCT Pub. Date May 26, 1994.A joint which comprises a first joint component having an axial aperture and a s...
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JP3280715B2 |
PURPOSE: To prevent over-tightening of a screw member beyond a set value and make its removal easy by providing a torque transmitting member between a screw member and an operating ring, and also providing an one-side torque limitter whi...
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JP2002122120A |
To provide a general purpose screw fastening body allowing visual observation and confirmation of fastening axial force.This fastening body is constituted of a bolt 13 with a head part 13a, a nut 14 screwed and fastened on a screw shaft ...
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JP2002120163A |
To provide a tightening confirmation display method capable of dispensing with a tightening confirmation process and managing the tightening torque by simply visually confirming the sure execution of tightening in fastening, and a confir...
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JP3273313B2 |
To prevent wear and breakage of a monitor cap fixing screw hole of a casing of electronic equipment for a CATV. A seat part 12 of a monitor cap 9 fits loosely on a head 21 of a monitor cap acceptor 7 screwed to a casing 1 and to which th...
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JP2002098119A |
To provide a fuse bolt which is designed to break at a specified location under a predetermined value of an external force in case when an excessive external force is applied to equipment.The fuse bolt wherein a necking part 7 is formed ...
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JP2002089534A |
To provide a novel screwed type tightener.The screwed type tightener has: a bolt; a nut with at least one sleeve screwed and fitted onto the bolt; a supporting face disposed at a lower portion of the tightener so that the supporting face...
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JP2002070829A |
To provide a fastening control spring washer, a nut with the fastening control spring washer, a bolt with the fastening control spring washer and a fastening control method for bolt-nut in which cost reduction can be attained and fasteni...
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JP3260142B2 |
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JP3259164B2 |
To prevent a bolt and nut from being loosened by following a change in shrinkage of wood or load by a rebounding force and restoring force of a contracting and rebounding rubber part. This washer comprises a washer body 1A and a rubber r...
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JP3252961B2 |
To provide a fixing part and a bolt part used for a joining structure of a steel pipe column capable of accurately performing joining work of the steel pipe column with reduced labor without reducing strength of the steel pipe column. In...
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JP3252039B2 |
PURPOSE: To execute bolt loosening work easily and rapidly by means of small loosening torque by screwing an auxiliary bolt to an insertion hole penetrating the center portion of a bolt body. CONSTITUTION: An auxiliary bolt 12 is screwed...
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JP3252037B2 |
PURPOSE: To conduct bolt loosening work easily and rapidly by means of small loosening torque. CONSTITUTION: A blind hole 10 which makes its outer end open at one end of a bolt B1 and extends axially and at the same time makes its inner ...
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JP3252038B2 |
PURPOSE: To conduct bolt loosening work easily and rapidly by means of small loosening torque. CONSTITUTION: To a bolt B1 screwed to a fitting body 5 with a coupled matter 4 pinch-held between the fitting body 5 and the bolt B1, an auxil...
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JP2002013514A |
To provide a nut with a tightening torque managing function that can increase workability by preventing surely the nut from loosening, and can easily check the completion of a tightening work by finding a given tightening torque in one p...
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JP3246266B2 |
PURPOSE: To produce a high strength steel for bolts excellent in cold workability and delayed fracture resistance by specifying the compsn. of a Cr-Mo low alloy steel. CONSTITUTION: The compsn. of a steel is constituted of the one contg....
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JP2002005142A |
To provide a checking tool playing a role of eliminating forgetfulness of fastening and lack of fastening and capable of reducing labor because of recent enforcement of a house quality security promoting raw in April, 2000 by an increase...
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JP2002005141A |
To provide a setting method of fastening torque capable of setting proper fastening torque from the relationship of contact resistance between connecting terminals and a nut for constituting an electric connecting part.In this setting me...
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JP2002500752A |
A load-indicating device including a load-bearing member adapted to deform when stressed. Ultrasonic waves are directed into one end of the load-bearing member and ultrasonic echoes are received at the same end by ultrasonic wave transmi...
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JP2001353457A |
To provide a marking work utensil for bolt head or nut, which is capable of applying and forming a mark ranging in a uniform width through the bolt head, the upper surface of the nut, the side surface, a washer and the upper surface of a...
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JP3238127B2 |
To provide a device for bolting without substantially lowering strength of nuts. This bolting device comprises a first bolt 322 and a second bolt 324 which have screw cut end parts respectively engaging with a first nut 320 and a second ...
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JP3237847B2 |
PCT No. PCT/SE92/00519 Sec. 371 Date May 16, 1995 Sec. 102(e) Date May 16, 1995 PCT Filed Jul. 15, 1992 PCT Pub. No. WO94/02749 PCT Pub. Date Feb. 3, 1994A torque nut or screw that allows the nut to be tightened to a preset maximum torqu...
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JP3226458B2 |
To dissolve a defect in fitting a stay bolt of a large crosshead engine to the upper part of a bed plate. A stay bolt of a large two-stroke crosshead engine passes through a stay bolt tube 14 and is fitted to the upper part of a bed plat...
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JP3225398B2 |
To provide a one side bolt which can ensure a large axial force and which can be manufactured at a low cost. A one side bolt is composed of a pin 2 having a pin head part 2a, a sleeve 3 fitted onto the outer periphery of the pin 2, and a...
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JP2001309529A |
To attain positive protection of a cable passing through the through- hole of a moving member with a simple structure.Arms are connected to each other in a robot in such a manner that an arm connecting part 19 formed at the front end of ...
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JP2001295819A |
To eliminate the disadvantages that the efficiency of whole inspection work for checking for fastening and fixation of bolts and nuts is reduced and personnel expenses required for the inspection are increased because there are sections ...
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JP2001289228A |
To provide an anchor bolt capable of improving earthquake resistance through the improvement of retention yield strength of a column by enlarging the effective/shank cross-sectional area ratio of the anchor bolt to increase the elongatio...
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JP2001515218A |
A fastener system (1) employs a portable sensing device (13) such as one or more reactance capacitors (15,16), which removably attaches adjacent to the fastener to detect and measure the change in a gap or specialized form of the bolt he...
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JP2001241421A |
To provide a screws suitable for disassembly of a product and provide a method to simply disassemble the product fastened by means of these screws.A screw blank 2 is formed out of a metal material in which a hydrogen absorping substance ...
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JP2001227519A |
To provide a double nut type looseness preventive nut capable of easily working a small cross-sectional rupture part having the uniform cross-sectional area, making shear fracture force constant and capable of obtaining prescribed fasten...
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JP3199581B2 |
PURPOSE: To provide a high tension bolt enabling bolt fastening work only from the outside in the case of jointing a beam or the like directly to the outer side face of a closed cross section type column or the like by a bolt and obtaini...
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JP2001208024A |
To provide a joint which does not cause fatigue destruction.Stopper part 8 of receiving block 1 has a pressure receiving curved surface 8a and pressure receiving plane surface 8b continued in diametric, and bolting portion 10 in head 7 o...
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