WO2005111439A1 - ボルトあるいはナットの緩み止め金具 - Google Patents
ボルトあるいはナットの緩み止め金具 Download PDFInfo
- Publication number
- WO2005111439A1 WO2005111439A1 PCT/JP2005/008696 JP2005008696W WO2005111439A1 WO 2005111439 A1 WO2005111439 A1 WO 2005111439A1 JP 2005008696 W JP2005008696 W JP 2005008696W WO 2005111439 A1 WO2005111439 A1 WO 2005111439A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- claw
- washer
- bolt
- notch
- loosening
- Prior art date
Links
- 210000000078 claw Anatomy 0.000 claims abstract description 157
- 239000002184 metal Substances 0.000 claims description 52
- 230000002093 peripheral effect Effects 0.000 claims description 25
- 230000000694 effects Effects 0.000 description 5
- 238000004080 punching Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
Definitions
- the present invention relates to a metal fitting for preventing loosened bolts or nuts from being loosened.
- the panel washer which is used to prevent loosening of standard bolts or nuts, slightly increases the axial force due to the repulsive force at the time of fastening, but compared to the original axial force of the screw part The increase is small.
- panel washers were generally used in many cases because they had some loosening effect.
- Patent Document 1 Japanese Patent No. 84142
- Patent Document 2 Japanese Utility Model Publication No. 37-28125
- Patent Document 3 Japanese Patent Publication No. 40-14446
- the most important feature of the present invention is that a claw for stopping loosening of a bolt or a nut is incorporated in a part of a metal fitting.
- the anti-loosening fitting of the present invention has an advantage that the bolt or nut can be firmly prevented from being loosened by the pawl action of the claw without relying on the frictional force of the screw portion like a panel washer.
- FIG. 1 is a longitudinal sectional view of Embodiment 1 of a bolt locking stopper.
- FIG. 2 is a plan view of a metal fitting of Example 1.
- FIG. 3 is a partial cross-sectional view of a metal fitting of Example 1.
- FIG. 4 is a longitudinal sectional view of Example 2 of a bolt locking stopper.
- FIG. 5 is a partially detailed view of a metal fitting of Example 2.
- FIG. 6 is an exploded view of a metal fitting of Example 2.
- FIG. 7 is a longitudinal sectional view of Embodiment 3 of a bolt locking stopper.
- FIG. 8 is a plan view of FIG. 7.
- FIG. 9 is a partial detailed view of Example 3.
- FIG. 10 is a plan view of Embodiment 4 of a bolt locking stopper.
- FIG. 11 is a perspective view of a fitting according to a fourth embodiment.
- FIG. 12 is a longitudinal sectional view of Embodiment 5 of a bolt locking stopper.
- FIG. 13 is a development view of a metal fitting of Example 5.
- FIG. 14 is a longitudinal sectional view of Embodiment 6 of a bolt locking stopper.
- FIG. 15 is a plan view of a fitting according to a sixth embodiment.
- FIG. 16 is an exploded view of a fitting according to a sixth embodiment.
- FIG. 17 is a longitudinal sectional view of Embodiment 7 of a bolt locking stopper.
- FIG. 18 is a plan view of a fitting according to a seventh embodiment.
- FIG. 19 is an exploded view of a metal fitting of Example 7.
- FIG. 1 is a longitudinal sectional view of Embodiment 1 of the present invention.
- the workpiece 5 is fastened to the main body 6 with the bolts 4 using the locking metal fittings 1.
- the arrow on the head of the bolt 4 indicates the direction in which the bolt seat surface 4a moves during fastening, and indicates the case of a right-hand screw.
- the claw 2 of this embodiment acts in the longitudinal axis direction of the bolt 4.
- FIG. 2 is a plan view of the locking metal fitting 1 shown in FIG.
- the locking stopper 1 is made of a metal plate, has a bolt hole lb at the center, and a plurality of notches la are provided around the bolt hole lb. Mounted supported on body 3.
- FIG. 3 is a cross-sectional view taken along a line AA in FIG. 2, showing a state before fastening.
- the two ends of the claw 2 protrude from the seating surface of the locking device 1, and the claw 2 is attached to the seating surface of the locking device 1 in a substantially vertical direction. It is supported by.
- the claws 2 may be attached from the beginning with a slight inclination in the direction in which the bolts 4 are fastened, that is, with the upper edge of the claws 2 left and the lower edge of the claws 2 right as shown in FIG.
- the notch la is formed in a size that does not hinder the movement of the claw 2 when the bolt or the nut is fastened, when the fastening is completed, or when the bolt or the nut is loosened.
- the movement of the nail 2 will be described with reference to FIG.
- the tip force of the claw 2 protruding from the seating surface of the loosening fitting 1 comes into contact with any one or both of the seating surface 4a and the fastening surface 5a of the workpiece.
- the bolt 4 comes into contact with the bolt seating surface 4a or the fastening surface 5a of the work to be fastened.
- the bolt 4 moves in the longitudinal axis direction, so the claw 2 is pushed by the bolt seat surface 4a and is pushed into the notch la and tilts as shown in Fig. 1. The conclusion is complete.
- both ends of the claw 2 are configured to be always in contact with the bolt seating surface 4a and the fastening surface 5a of the work to be fastened. Both ends are constantly pressed against the bolt bearing surface 4a and the fastening surface 5a of the workpiece.
- the pawl 2 Prior to fastening, the pawl 2 is attached in the notch la in a direction perpendicular to the seat surface of the locking metal fitting 1 or inclined in the fastening direction.
- the size of the notch la is formed so that it does not hinder the inclination of the claw 2 when the bolt 4 is fastened, so that the bolt is fastened without opposing the movement of the bolt seat surface 4a. Can be concluded.
- the nail 2 is elastically supported even when the bolt is slightly expanded or contracted due to vibration or thermal expansion, so that the nail 2 moves following the vibration or the like, and the function of preventing the nail 2 from loosening is exhibited.
- the inclination angle a is the angle formed between the claw 2 and the bolt seating surface 4a or the normal of the fastening surface 5a of the workpiece in the completed fastening state.
- the shape of the tip of the claw 2 may be a round shape, a square shape, or the like, as long as the shape is such that the frictional resistance increases when the claw 2 comes into contact with the partner.
- the locking ability of the locking fitting 1 depends on the inclination angle ⁇ of the claw 2 and the elasticity. It is related to the restoring force of the body 3, the elasticity of the nail 2 itself, the shape of the nail 2, the number of the nails 2, the coefficient of friction of the tip of the nail 2, and the like. Actually, these specifications are determined in consideration of productivity and workability.
- FIG. 4 is a longitudinal sectional view in which the work 5 is fastened to the main body 6 by the bolt 4 using the locking metal fitting 7 of the second embodiment.
- washers 8 and washers 9 and 9 are shown in Figure 6, as shown in Figure 6, washers 8 and washers 9 and 9
- the upper claw 1 formed on the washer 10 with the claw in the longitudinal axis direction of the bolt.
- FIG. 5 is a partial detailed view of the locking metal fitting 7 of FIG. A major difference from the first embodiment is that the washer 10 with a claw itself is an elastic body.
- each claw is slightly inclined in the direction perpendicular to the surface of each washer or in the direction of the arrow, that is, in the fastening direction.
- the sheet metal washers 8 and 9 are provided with notches 8a and 9a at positions where the upper claws 10a and the lower claws 10b formed alternately can pass through.
- the notch 8a and the notch 9a secure a space that allows the upper nail 10a and the lower nail 10b to freely move.
- the tips of the upper and lower claws 10a and 10b have sharp angles and are hardened by heat treatment. As a result, the hooking force of the bolt seating surface 4a and the fastening object 5 on the fastening surface 5a is improved, and the tips of the upper claw 10a and the lower claw 10b are less likely to slip.
- the upper left arrow indicates the direction in which the bolt seat surface 4a moves during fastening.
- the upper claw 10a Due to the movement of the bolt seat surface 4a, the upper claw 10a is inclinedly pushed into the notch 8a. Also As the bolt seating surface 4a moves to the left, the locking metal 7 turns in the same direction as a whole, so that the lower claw 10b in contact with the fastening surface 5a of the workpiece is shown on the lower side. It is inclined in the direction of the right arrow, and is inclined and pushed into the notch 9a to complete the fastening.
- the inclination angles IS and ⁇ of the nail, the material and heat treatment related to the restoring force of the nail, the number and shape of the nail, and the like are related to the ability to prevent loosening, and are required.
- a specification that matches the locking performance is selected.
- the angle between the upper claw 10a and the normal of the bolt seating surface 4a is
- the angle between the lower claw 10b and the normal of the fastening surface 5a of the workpiece is ⁇ .
- the second embodiment is also an effective loosening stopper for the nut.
- FIG. 6 is an exploded view of the locking metal member 7 according to the second embodiment.
- the thin metal washer 10 with claws is provided with a plurality of upper claws 10a bent upward and lower claws 10b bent downward.
- 1 Oc is a bolt hole.
- the washer 8 and the washer 9 which also clamp the washer 10 with the claw also in the vertical direction are provided with notches 8a and 9a of a size that allows the upper claw 10a and the lower claw 10b to be inserted and that can move freely.
- Bolt holes 8b and 9b are provided at the center. These three washers are not welded to each other, such as V, and are welded or glued together to form one locking metal fitting 7.
- the washer 8 and the washer 9 constituting the loosening stopper 7 have the same shape, and the washer 8, the washer 9 and the washer 10 with the claw can be easily manufactured by using a press cap. Also, since it can be made entirely of metal, there is an advantage that there are few restrictions on the use environment.
- FIG. 7 is a longitudinal sectional view of the third embodiment.
- the locking pawls act in the longitudinal axis direction of the bolt, but in the third embodiment, the locking claws act in the radial direction of the bolt.
- the present invention can be applied to a case where a hexagonal bolt having a cylindrical head is fastened to a counterbore provided in a workpiece.
- a locking metal fitting 11 is provided between the outer peripheral surface of the bolt head 14a and the inner peripheral surface of the bolt counterbore 15a provided in the workpiece 15.
- the loosening stopper 11 includes a claw 12 and an elastic body 13.
- FIG. 8 is a plan view of FIG.
- the length of the claw 12 is set so that both end portions of the claw 12 abut against the outer peripheral surface of the bolt head 14a and the inner peripheral surface of the workpiece counterbore 15a.
- the plurality of claws 12 are supported by an elastic body 13 made of rubber or the like, and constitute a locking metal fitting 11 integrated with both.
- the arrow (FIG. 8) shown on the bolt 14 indicates the fastening direction in the case of a general right-handed screw.
- the claw 12 is inclined in the fastening direction of the bolt 14.
- FIG. 9 is a partial detailed view of the locking metal fitting 11.
- the locking metal fittings 11 are attached to the counterbore holes 15a of the workpiece in advance, and the bolts 14 are inserted and fastened. Therefore, in a free state before being mounted in the counterbore hole 15a, the diameter of the circumscribed circle formed by the tip of the claw 12 is slightly larger than the inner diameter of the counterbore hole 15a, so that a slight interference is provided. As a result, the locking metal 11 can be pressed into the counterbore 15a.
- the claw 12 is directed substantially toward the center of the bolt 14 as shown by a two-dot chain line in FIG. Alternatively, it may be slightly inclined in the fastening direction from the beginning.
- the diameter of the inscribed circle formed at the tip on the center side of the claw 12 is smaller than the outer diameter of the bolt head 14a.
- the bolt head rotates in the direction of the arrow, and the claw 12 is inclined as shown by the solid line to complete the fastening.
- both ends of the claw 12 collidingly hit the outer peripheral surface of the bolt head 14 a and the inner peripheral surface of the counterbore 15 a of the work to be fastened.
- the angle between the claw 12 and the normal to the outer peripheral surface of the bolt head 14a or the inner peripheral surface of the counterbore 15a is defined as ⁇ .
- the claw 12 is inclined in the fastening direction, so that there is no hindrance to fastening the bolt 4, but when the bolt 14 tries to loosen, that is, in the opposite direction to the arrow.
- the rest of the elastic body 13 causes the tip of the claw 12 to block its rotation due to friction between the outer peripheral surface of the bolt head 14a and the counterbore hole 15a of the workpiece. The bolt 14 is prevented from loosening.
- the function of the nail 12 is functionally the same as in the first and second embodiments described above. Therefore, the factors related to the restoring force of the elastic body 13, the inclination angle ⁇ of the claw 12, the shape of the claw 12, the number of the claw 12, and the like are appropriate so that the frictional force at the tip of the claw 12 is increased. Selected.
- outer peripheral surface of the bolt head 14a and the inner peripheral surface of the counterbore hole 15a of the fastener are also more effective if they are subjected to surface finishing to increase the frictional force.
- the locking stoppers 11 are driven in and installed as effective locking stoppers.
- the inclination of the claws 12 after mounting must be in the bolt fastening direction as shown in FIG.
- both ends of the claw 12 must abut naturally on the outer peripheral surface of the bolt head 14a and the inner peripheral surface of the counterbore 15a.
- the claw acts in the radial direction of the bolt axis, it is not affected by minute expansion and contraction of the bolt due to vibration and thermal expansion. Therefore, the effect of locking is not impaired.
- FIG. 10 shows a fourth embodiment.
- the loosening stopper 16 is arranged between the outer peripheral surface of the bolt head 14a and the inner peripheral surface of the counterbore hole 15a of the workpiece, and the functions are similar.
- the plurality of inner claws 16a and outer claws 16b abut against the outer peripheral surface of the bolt head 14a and the inner peripheral surface of the counterbore hole 15a of the object to be fastened while being inclined in the bolt fastening direction.
- the inner claws 16a and the outer claws 16b stop the bolt from loosening as in the third embodiment.
- the arrow indicates the direction of bolt tightening for a right-hand thread.
- the loosening stopper 16 itself is made of an elastic material, and the inner nail 16a and the outer nail 16b are both part thereof.
- the loosening stopper 16 has an inscribed circle diameter formed at the tip of the inner claw 16a, which is smaller than the cylindrical diameter of the bolt head 14a.
- the diameter of the circumscribed circle formed at the tip of the claw 16b is set to be larger than the inner diameter of the workpiece counterbore hole 15a.
- the angles ⁇ and ⁇ of the inner claws 16a and the outer claws 16b, the number of claws, the shapes of the claws, and the like are determined according to the required loosening prevention ability.
- ⁇ is the angle between the inner claw 16a and the normal to the outer peripheral surface of the bolt head 14a
- ⁇ is the distance between the outer claw 16b and the normal to the counterbore hole 15a.
- Angle is the angle.
- the loosening stopper 16 can be attached to the counterbore 15a before the bolt 14 is fastened, or can be driven between the bolt head 14a and the counterbore 15a after fastening.
- the inclination direction of the inner claws 16a and the outer claws 16b after the driving must be in the fastening direction of the bolt 14, as shown in the figure. Also, the tip of each claw must sexually hit the mating member! / ⁇ .
- FIG. 11 is a perspective view of the locking metal fitting 16 according to the fourth embodiment. A part of a thin metal plate is punched out to form an inner nail 16a and an outer nail 16b. In this case, it is conceivable to use the metal fittings 16 by press-fitting them into the counterbore holes 15a without using the inner claws 16a and the outer claws 16b.
- the inner claws 16a and the outer claws 16b are formed by punching from a thin metal plate cylinder, and the inner claws 16a and the outer claws 16b are formed by punching a flat thin metal plate, and then formed into a ring shape. Good.
- FIG. 12 is a cross-sectional view of the present embodiment, in which the object 15 is fastened to the main body 6 with the bolt 14 using the locking metal 17.
- the present embodiment is intended to prevent inconvenience of the locking metal fittings 11 and 16 of the third and fourth embodiments.
- the pawls 12 of the locking stoppers 11, 16 will be inclined when they are inserted into the counterbore 15a, and will come into contact with the inner peripheral surface of the workpiece counterbore 15a, and will not come off due to the frictional force! /.
- the locking stoppers 11 and 16 may come off.
- a part for passing a bolt is provided in the locking member 17, and the locking member 17 is fastened with the bolt 14 at the same time as the object 15 to prevent the locking member 17 from falling off.
- FIG. 13 is a development view of the locking metal member 17 according to the fifth embodiment.
- the locking metal 17 has a bolt hole 17c at the center, and forms a plurality of inner claws 17a and outer claws 17b.
- the three inner claws 17a and the outer claws 17b are shown in a developed view punched by a press.
- the inner claws 17a and the outer claws 17b are bent at folding curves 17x and 17y (two-dot chain line), and then bent. Fold at line 17z To form the inner nail 17a and the outer nail 17b.
- the inner nail 17a and the outer nail 17b in this embodiment are substantially S-shaped and formed parallel to the longitudinal direction of the bolt, and the inner nail 17a is
- the outer claw 17b is formed on the outer peripheral surface of the 14a so as to be able to contact the inner peripheral surface of the counterbore hole 15a for the bolt.
- FIG. 14 shows a cross section in which the workpiece 5 is fastened to the main body 6 with bolts 4 using a locking metal
- FIG. 15 shows a plan view of the washer
- FIG. 16 shows a configuration of the washer and the claw.
- This embodiment is the same as the second embodiment in the configuration of the thin metal plate washers 8 and 9 except that a metal thin plate washer 32 and a metal thin plate washer 33 are provided.
- an upwardly-facing upper claw 32a is formed by punching according to the number of the notches 8a formed in the washer 8.
- downward facing lower claws 33a are formed in the washer 33 with the claws by punching according to the number of the cutouts 9a formed in the washer 9.
- the upper claws 32a and the lower claws 33a are constituted by different washers, so that the strength of the washers can be maintained even if the number of the upper claws 32a and the lower claws 33a is increased. It can be done.
- FIG. 17 is a view showing a cross section in which the article 5 to be fastened in the present embodiment is fastened to the main body 6 with the bolt 4 using a locking metal.
- the operation is almost the same as that of the second embodiment, but the method of forming the upper nail 40a and the lower nail 40b is different. That is, in Example 2, as shown in FIG. 6, the upper claws and the lower claws are formed of a single plate material by a pressing force.
- the upper claws 40a and the lower claws 40b are formed of a thin metal plate, while the washer 41 having a bolt hole 41c formed in the center is provided with a slit 41a.
- the upper nail 40a and the lower nail 40b are inserted into these slits 41a.
- a bolt hole 8 b is formed in the center of the washer 8, and a notch 8 a into which the upper claw 40 a can be inserted is formed around the bolt hole 8 b.
- a bolt hole 9b is formed in the center of the washer 9 and a notch 9a is formed around the bolt hole 9b, into which the lower claw 40b can be inserted.
- the locking stopper is formed by inserting the washer 8, the washer 41 formed by inserting the upper claw 40a and the lower claw 40b, and the washer 9 therebetween.
- the upper nail 40a and the lower nail 40b are inserted into the slits 41a formed in the washer 41 to be configured.
- the washer 8 and the washer 41 and the washer 9 be welded or bonded to form a loosening fitting so that the positions thereof are not shifted after being superimposed.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004171912A JP2007255429A (ja) | 2004-05-13 | 2004-05-13 | ボルトあるいはナットのゆるみ止め金具 |
JP2004-171912 | 2004-05-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005111439A1 true WO2005111439A1 (ja) | 2005-11-24 |
Family
ID=35394231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/008696 WO2005111439A1 (ja) | 2004-05-13 | 2005-05-12 | ボルトあるいはナットの緩み止め金具 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP2007255429A (ja) |
WO (1) | WO2005111439A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2053292A1 (de) * | 2007-10-24 | 2009-04-29 | JRG Gunzenhauser AG | Sicherungsanordnung für eine Verschraubung |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5620358B2 (ja) * | 2011-11-02 | 2014-11-05 | 濱中ナット株式会社 | セルフロックナット |
JP6231807B2 (ja) * | 2013-08-08 | 2017-11-15 | 濱中ナット株式会社 | ボルトの弛み止め構造 |
SE2100164A1 (en) * | 2021-11-03 | 2023-05-04 | Saab Ab | A spring device for securing a threaded fastener of a bolted joint and a system for securing a bolted joint |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB150239A (en) * | 1919-07-17 | 1920-09-02 | Frederick Lewis Hemmer | Improvements in nut locks |
US1648347A (en) * | 1926-11-10 | 1927-11-08 | Shakeproof Lock Washer Co | Cylindrical lock washer |
US1885761A (en) * | 1931-01-16 | 1932-11-01 | Hubbard & Co | Lock washer |
US3133580A (en) * | 1961-02-07 | 1964-05-19 | David L Katz | Threaded fastener having resilient escutcheon encompassing the head thereof |
-
2004
- 2004-05-13 JP JP2004171912A patent/JP2007255429A/ja active Pending
-
2005
- 2005-05-12 WO PCT/JP2005/008696 patent/WO2005111439A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB150239A (en) * | 1919-07-17 | 1920-09-02 | Frederick Lewis Hemmer | Improvements in nut locks |
US1648347A (en) * | 1926-11-10 | 1927-11-08 | Shakeproof Lock Washer Co | Cylindrical lock washer |
US1885761A (en) * | 1931-01-16 | 1932-11-01 | Hubbard & Co | Lock washer |
US3133580A (en) * | 1961-02-07 | 1964-05-19 | David L Katz | Threaded fastener having resilient escutcheon encompassing the head thereof |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2053292A1 (de) * | 2007-10-24 | 2009-04-29 | JRG Gunzenhauser AG | Sicherungsanordnung für eine Verschraubung |
Also Published As
Publication number | Publication date |
---|---|
JP2007255429A (ja) | 2007-10-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5707193A (en) | Screw-fitting clip and object-engaging mechanism using the same | |
US4747202A (en) | Method of fastening panels using blind fasteners with deformable drive nuts | |
US6688826B2 (en) | Captive fastener system and retention member | |
US5302066A (en) | Locking fastener | |
JP2005517876A (ja) | 拡大可能のコレットアンカー装置、その構成要素並びにそれの製造方法及び使用方法 | |
WO2003093692A1 (fr) | Fixation a blocage | |
US5628599A (en) | Anchored fastener | |
JPH02118208A (ja) | 締付具と保持リングの組立体 | |
US20060042423A1 (en) | Holding socket for a washer nut | |
WO2005111439A1 (ja) | ボルトあるいはナットの緩み止め金具 | |
JP2004211753A (ja) | ナット及びこれとボルトとの組合せ | |
US20030159546A1 (en) | Anti-tamper nut | |
WO1998009086A1 (fr) | Contre-ecrou | |
JP7116595B2 (ja) | 締付トルク管理具及び締付トルク管理具と締結具との組み合わせ | |
WO1990007653A1 (en) | Drive-head lock washer | |
JP2007051734A (ja) | ボルト・ナットの緩み止め構造 | |
JPH0685918U (ja) | トルク・リミット付きねじ | |
AU581099B2 (en) | Locking fastener | |
JP3567173B2 (ja) | ボルトとナットから成る締結具におけるナットの脱落防止機構 | |
JPH10131976A (ja) | 回転体固定具 | |
JP2004011918A (ja) | 戻り止めボルト | |
TWI752227B (zh) | 鎖緊扭矩管理具及鎖緊扭矩管理具與緊固件之組合 | |
JP4668565B2 (ja) | バッテリーターミナル及びバッテリーターミナル用のスペーサ連結部品 | |
JP3125160U (ja) | ロックナット | |
JP4191410B2 (ja) | セルフタッピングねじ及び締結方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: DE |
|
122 | Ep: pct application non-entry in european phase | ||
NENP | Non-entry into the national phase |
Ref country code: JP |