| Document |
Document Title |
|
JP2000192933A |
To rationalize bolt installing work in a narrow place. A bolt 2 is inserted into a bolt hole 1b of a beam 1, an installing member 3 is inserted, and installing pieces 3a of the installing member 3 are made to enter between threads 2a to ...
|
|
JP2000192935A |
To prevent the coming-out of a bolt without using a plastic spacer as well as to prevent the occurrence of corotation of the bolt when fastening a screwed-in nut. Plural locking claws 3 for checking falling-out of a bolt by locking on a ...
|
|
JP2000192934A |
To provide a bolt holding structure capable of obtaining large displacement allowable quantity in the direction orthogonal to the axis of a fastening bolt and capable of relieving shape accuracy and arranging position accuracy of a fixin...
|
|
JP2000179527A |
To form a terminal bolt fall out preventive device which is thin in thickness, small in width, inexpensive and capable of being bent by a press.A terminal bolt drop-preventive device is provided with a fall out preventive tool of approxi...
|
|
JP2000179526A |
To easily prevent a screw from falling out while taking advantage of the screw of easy detachment.In a fixing structure in which a resin base 4 which is a first work to be fixed is connected to a terminal 2 which is a second work to be f...
|
|
JP3057318B2 |
|
|
JP2000170734A |
To reliably stop the removal of a nut by closely screwing a truncated conical protective nut having a small-diameter check bolt orthogonally penetrating a female screw to the back face of the fastening nut of an anchor bolt, fastening th...
|
|
JP2000145745A |
To fasten and unfasten a screw when necessary and prevent it from being easily unfastened by mischief. A one-way clutch mechanism 13 is stored in the inside of the head part 1a of a bolt 1, and an outside member 2 and an inside member 3 ...
|
|
JP2000145744A |
To prevent connection of flanges from being released or loosened, by covering a head part of a bolt or a nut with a cap, in a flange connecting structure for connecting flanges to each other by using a bolt and a nut. A first nut 7 is ti...
|
|
JP2000136816A |
To provide a fastening auxiliary part for carrying out an attaching operation of an object in a short time and easily. A fastening auxiliary part 1 which is used at the time of fastening an object into another member 13 by a bolt 11 and ...
|
|
JP2000120647A |
To hinder a first and a second nut of a double nut fastening part from being loosened unduly by any person.This release hindering fitting is formed from a cylinder 10 cut from an aluminum strip having a circular circumferential surface. ...
|
|
JP2000120643A |
To provide a fastening device impossible to be removed by providing a bolt for fastening a material to be fastened, a nut formed with at least one key groove to be fastened with the bolt in the axial direction inside thereof, and a key t...
|
|
JP2000120646A |
To make difficult for a bolt and nut to be removed by mounting a cap on the tip of the bolt.A large diameteric sleeve 4 is put on a nut 3 fastened to the tip of a bolt 2. A wrench is fitted on a ring member 7 put on a small diameteric sl...
|
|
JP3036627B2 |
To provide a sealing device for a bolt capable of rigid sealing whose sealing structure is hard to be recognized and whose release is difficult. After screwing a bolt 11 to the screw hole 36 of a pump housing 14 and tightening a first ti...
|
|
JP2000104721A |
To prevent tampering release of nuts.A tamperproof cover 1 for nuts uses a cover body 5 shaped into a frustum of a cone, which defines an internal nut holding space 2 and has a top projection 6 integrated via a constriction 7 and a tappe...
|
|
JP2000104719A |
To prevent tampering release of bolts or nuts.This tamperproof cover 1 comprises a fixing member 7 having a cylindrical outer form and an internal hexagon socket 2 fitting closely on a hexagonal bolt head or hexagonal nut 4 to cover it w...
|
|
JP2000104720A |
To prevent tampering release of bolts or nuts.This tamperproof cover 1 for bolts or nuts has a conic outer form and an internally hexagonal socket 2 fitting closely on a hexagonal bolt head or hexagonal nut 4 to cover it. When pressed on...
|
|
JP2000097222A |
To provide a cushioning effect to a collision from the outside and to prevent a bolt removal due to a harmful conduct by a person by covering a nut with a sleeve, and mounting a washer to the nut with contact and thread- engaging an auxi...
|
|
JP2000097221A |
To provide a rail fastening device which can inhibit a bolt or a nut for fixing a rail, from being rotated in a direction of loosening thereof, and which can additionally fasten the bolt or nut.A rail fastening device 10A comprises a rot...
|
|
JP2000074032A |
To connect together, fix, or detach from each other between parts without letting fall a screw into a device or the like by providing an opening part capable of inserting a tool for rotating a screw, and claw parts for fixing to a part t...
|
|
JP2000074033A |
To provide a removal preventing structure for a nut unit. This removal preventing structure for a nut unit comprises an embedded screw bar 2 formed by drilling a lock member insertion hole 21 and a wedge material driving vertical hole 22...
|
|
JP2000055029A |
To provide a bolt and nut type fastening tool which is not difficult to be loosened and removed after the nut is once tightened by a predetermined torque. This fastening tool is provided with a bolt and a nut capable of being threadly en...
|
|
JP2000046244A |
To eliminate the need for the work of preventing slip-off of a bolt by a nut through a method generally carried out to perform cantilever holding of a piping band by a turn buckle and to facilitate a piping work. Bolt slip-off preventing...
|
|
JP2000046032A |
To prevent a fastened nut from being loosened or removed by a burgler, etc., with a commercially available tool such as a wrench or torque wrench. On the periphery of a nut 4, a first cylindrical cap 8 is fitted rotatably round the axis ...
|
|
JP2000046027A |
To provide a bolt and nut which can be handled for fastening and loosening by only such a restricted operator as possessing a proprietary tool by introducing shapes of bolt and nut which do not allow use of any conventional tool. The fas...
|
|
JP2000039009A |
To prevent the dropping-out of a bolt by forming a through-hole having an irregular part slightly larger than the screw nominal diameters of the other member and the bolt on a member to be fastened by the bolt. A female screw 1 consistin...
|
|
JP2000039012A |
To prevent easy removal of a bolt and a nut from a fastening object by preventing the heads of a bolt and a nut from being grasped by a tool. By covering the heads of a bolt and a nut with a loose cover, the heads of a nut and a bolt are...
|
|
JP2000039010A |
To provide a protection cap to prevent removal of a bolt by fixing a nut at the flange coupling part of an iron tower for transmission line. A protection device comprises a pipe collar 6 fitted in a gap between a net 4 for fixing a flang...
|
|
JP2000035028A |
To improve a locking effect of a bolt/nut for mischief by providing a cover pipe covering a peripheral surface of a tightening nut screwed onto a tightening bolt such as a steel tower and a locking nut preventing the fall-off of the cove...
|
|
JP2000035027A |
To prevent the easy removal of an object after fastening the object once with surplus work eliminated. A head part 1a and nut 2 of a bolt 1 are formed into a truncated cone state having a large diameter on the seat surface side. Two wedg...
|
|
JP3004874B2 |
|
|
JP2000027839A |
To simplify a bolt for preventing slipping-off, and reduce cost load, since a method for preventing slipping-off of various kinds of bolts is developed, but its method is complex. A bolt 1 is so constituted that a groove part 3 is arrang...
|
|
JP2000027840A |
To prevent removal of a nut for fixing an automatic vending machine, a steel tower to an anchor bolt. In at device wherein a fastened member 4 is fixed to an anchor bolt 3 projected to a foundation part 2 by a nut 5, an anchor lock devic...
|
|
JP3001841B2 |
|
|
JP2000018231A |
To prevent the releasing of a screwing body such as a bolt and a nut after the screwing by a mischief or the like. This screwing body release preventive tool is composed of a container form cap 1 which can cover the outer side of a screw...
|
|
JP2000018224A |
To demount a bolt and a nut only by a special tool to prevent the tamper by providing the bolt having a dome-shaped head part and a truncated conical nut body with the approximately V-shaped notches in parallel with the axial direction. ...
|
|
JP2000018230A |
To prevent to release the fastening condition easily, by the third person. A pair of fastened members 21 get butted each other are fastened by a hexagonal bolt 11 and a hexagonal nut 12 screwed each other, and a special nut 13 is screwed...
|
|
JP2602385Y2 |
|
|
JP2000009127A |
To provide a fastener for facilitating locking and retaining, and a screw fastening part protection device, which prevents a screw fastening part from being intentionally loosened. A fastener 1 rises up almost obliquely, and has a riser ...
|
|
JP2000009125A |
To provide a protective cap for preventing a bolt and a nut from being easily loosened. This protective cap makes its upper part slim, forms its lower part in a thick cap shape, has a nut insertion hole 2 opened at the lower surface, and...
|
|
JP2000002225A |
To provide a screw locking fixture which can prevent a existing combination of a bolt and nuts from coming apart when the screw locking fixture is provided thereto. A slide nut 5 is rotatably accommodated within a cylindrical outer tube ...
|
|
JP2000002224A |
To prevent a bolt from being removed by providing a nut further fitted to a bolt where a fastening nut is previously fitted in such a manner that when the displacement on the shaft center line of the nut is taken to be X, and an outside ...
|
|
JPH11351230A |
To provide a nut detachment preventive tool to prevent a nut from being loosened or artificially detached. A nut detachment preventive piece comprises a bottomed cylindrical body 1 in which one end of a cylindrical body is closed, and a ...
|
|
JPH11351231A |
To provide a highly reliable tightening tool which is not intentionally loosened or detached. A tightening part protective device is provided with a body part having a connection nut 72 to be mounted on an object and a push metal fitting...
|
|
JPH11351229A |
To prevent a bolt from being easily loosened by an ordinary tool by separating the head part and the threaded part of a bolt, connecting together them by two small bolts respectively fastened them in the opposite directions, and transmit...
|
|
JPH11351228A |
To provide a bolt and a nut which are easy to screw-tighten, but difficult to easily loosen and remove a screw. In a nut or a bolt, a cut-in surface 3 is provided in each approximately center axial direction from each vertical line part ...
|
|
JPH11351227A |
To provide a cover fitting structure which is capable of effectively preventing a screw from being dropped from a cover, simple in structure and inexpensive. In a fitting structure in which a cover 3 is arranged outside a box 1 through a...
|
|
JPH11515074A |
A theft resistant valve cap including a liner adapted for threaded engagement with a standard pneumatic tire stem valve, a sleeve rotatably mounted with the liner to shroud it an interlocking feature to selectively prevent axial displace...
|
|
JP2993562B2 |
To prevent generation of looseness of bolts and nuts for tightening a base material due to mischief or the like by providing a means of preventing a contact from the outside with the nuts of the bolts and nuts from occurring easily. At t...
|
|
JP2992518B1 |
[wrap up] [Task] For example, the present invention relates to an anti-rotation tool for nuts used for power transmission or communication towers, and provides an anti-rotation tool capable of securely preventing and fixing the nut as de...
|
