CN107143564A - Include the retention mechanism of plus thread and left-hand thread simultaneously - Google Patents
Include the retention mechanism of plus thread and left-hand thread simultaneously Download PDFInfo
- Publication number
- CN107143564A CN107143564A CN201610611853.8A CN201610611853A CN107143564A CN 107143564 A CN107143564 A CN 107143564A CN 201610611853 A CN201610611853 A CN 201610611853A CN 107143564 A CN107143564 A CN 107143564A
- Authority
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- China
- Prior art keywords
- nut
- thread
- screw nut
- twist
- counterclockwise
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000014759 maintenance of location Effects 0.000 title claims abstract description 20
- 230000003068 static effect Effects 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract 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
- F16B33/00—Features common to bolt and nut
- F16B33/02—Shape of thread; Special thread-forms
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
It is a kind of while include the retention mechanism of plus thread and left-hand thread, be related to mechanical field.It is an object of the invention to provide a kind of fastening performance more preferably retention mechanism, to achieve these goals, in the present invention：The plus thread may belong to clockwise screw thread, may be reversed；The left-hand thread may belong to screw thread counterclockwise, may be reversed；Including one section of bolt body；Also include being located on the bolt body one section twists thread segment counterclockwise；Also include being located on the bolt body one section twists thread segment clockwise；It is described to twist thread segment counterclockwise and described twist that thread segment is mutually compound on the bolt body both this to intersect clockwise；Also include nut A, same to screw nut, different screw nut, this three is fastened on the bolt body, three's arranged in series and be brought into close contact.The present invention has fastening performance more preferably beneficial effect.
Description
Technical field
The present invention relates to mechanical field, specifically, belong to a kind of retention mechanism.
Background technology
Threaded retention mechanism is many, in same retention mechanism, has no while one section of another section of plus thread occur is
Left-hand thread.
The content of the invention
It is an object of the invention to provide a kind of retention mechanism of fastening performance more preferably, to achieve these goals, this hair
Bright scheme includes：
1. it is a kind of while include the retention mechanism of plus thread and left-hand thread, it is characterized in that,
The plus thread may belong to clockwise screw thread, may be reversed；
The left-hand thread may belong to screw thread counterclockwise, may be reversed；
Including one section of bolt body；
Also include being located on the bolt body one section twists thread segment counterclockwise；
Also include being located on the bolt body one section twists thread segment clockwise；
It is described to twist thread segment counterclockwise and the thread segment of twisting clockwise is mutually combined on the bolt body both this
Intersect；
Also include nut A, same to screw nut, different screw nut, this three is fastened on the bolt body, three's series connection
Arrange and be brought into close contact；
The nut A, same to screw nut, the respectively left, center, right that put in order of different this three of screw nut, the spiral shell of this three
Line rotation direction be respectively " twist, twist counterclockwise clockwise, twisting clockwise " or be respectively " twist, twist clockwise counterclockwise,
Twist counterclockwise "；
The nut A, same to screw nut, this three of different screw nut are also common to include a three nuts interconnection unification mechanism, institute
State the nut A, same to screw nut, different screw thread spiral shell of the three nuts interconnection unification mechanism by arranged in series and after being brought into close contact
This female three is connected to become an entirety, prevents " one of nut rotation and two other is static " or prevents " therein
Two nut rotations and the 3rd it is static ", ensure that the nut A, same to screw nut, different screw nut this three must be simultaneously same
Direction is rotated or transfixion；
After contrary operation by interconnection unification, the three nuts interconnection unification mechanism will can have been connected into after an entirety
The nut A, same to screw nut, different screw nut this three be restored back to three individually individuals.
2nd, the retention mechanism of plus thread and left-hand thread is included simultaneously according to claim 1, it is characterized in that,
The plus thread belongs to clockwise screw thread；
The left-hand thread belongs to screw thread counterclockwise；
Including one section of bolt body；
Also include being located on the bolt body one section twists thread segment counterclockwise；
Also include being located on the bolt body one section twists thread segment clockwise；
It is described to twist thread segment counterclockwise and the thread segment of twisting clockwise is mutually combined on the bolt body both this
Intersect；
Also include nut A, same to screw nut, different screw nut, this three is fastened on the bolt body, three's series connection
Arrange and be brought into close contact；
The nut A, same to screw nut, the respectively left, center, right that put in order of different this three of screw nut, the spiral shell of this three
Line rotation direction be respectively " twist, twist counterclockwise clockwise, twisting clockwise " or be respectively " twist, twist clockwise counterclockwise,
Twist counterclockwise "；
The nut A, same to screw nut, this three of different screw nut are also common to include a three nuts interconnection unification mechanism, institute
State the nut A, same to screw nut, different screw thread spiral shell of the three nuts interconnection unification mechanism by arranged in series and after being brought into close contact
This female three is connected to become an entirety, prevents " one of nut rotation and two other is static " or prevents " therein
Two nut rotations and the 3rd it is static ", ensure that the nut A, same to screw nut, different screw nut this three must be simultaneously same
Direction is rotated or transfixion；
After contrary operation by interconnection unification, the three nuts interconnection unification mechanism will can have been connected into after an entirety
The nut A, same to screw nut, different screw nut this three be restored back to three individually individuals.
3rd, the retention mechanism of plus thread and left-hand thread is included simultaneously according to claim 1, it is characterized in that,
The plus thread belongs to screw thread counterclockwise,
The left-hand thread belongs to clockwise screw thread,
Including one section of bolt body；
Also include being located on the bolt body one section twists thread segment counterclockwise；
Also include being located on the bolt body one section twists thread segment clockwise；
It is described to twist thread segment counterclockwise and the thread segment of twisting clockwise is mutually combined on the bolt body both this
Intersect；
Also include nut A, same to screw nut, different screw nut, this three is fastened on the bolt body, three's series connection
Arrange and be brought into close contact；
The nut A, same to screw nut, the respectively left, center, right that put in order of different this three of screw nut, the spiral shell of this three
Line rotation direction be respectively " twist, twist counterclockwise clockwise, twisting clockwise " or be respectively " twist, twist clockwise counterclockwise,
Twist counterclockwise "；
The nut A, same to screw nut, this three of different screw nut are also common to include a three nuts interconnection unification mechanism, institute
State the nut A, same to screw nut, different screw thread spiral shell of the three nuts interconnection unification mechanism by arranged in series and after being brought into close contact
This female three is connected to become an entirety, prevents " one of nut rotation and two other is static " or prevents " therein
Two nut rotations and the 3rd it is static ", ensure that the nut A, same to screw nut, different screw nut this three must be simultaneously same
Direction is rotated or transfixion；
After contrary operation by interconnection unification, the three nuts interconnection unification mechanism will can have been connected into after an entirety
The nut A, same to screw nut, different screw nut this three be restored back to three individually individuals.
4th, the retention mechanism of plus thread and left-hand thread is included simultaneously according to claim 1, it is characterized in that,
The plus thread may belong to clockwise screw thread, may be reversed；
The left-hand thread may belong to screw thread counterclockwise, may be reversed；
Including one section of bolt body；
Also include being located on the bolt body one section twists thread segment counterclockwise；
Also include being located on the bolt body one section twists thread segment clockwise；
It is described to twist thread segment counterclockwise and the thread segment of twisting clockwise is mutually combined on the bolt body both this
Intersect；
Also include nut A, same to screw nut, different screw nut, this three is fastened on the bolt body, three's series connection
Arrange and be brought into close contact；
The nut A, same to screw nut, the respectively left, center, right that put in order of different this three of screw nut, the spiral shell of this three
Line rotation direction be respectively " twist, twist counterclockwise clockwise, twisting clockwise " or be respectively " twist, twist clockwise counterclockwise,
Twist counterclockwise "；
The nut A, same to screw nut, this three of different screw nut are also common to include a three nuts interconnection unification mechanism, institute
State the nut A, same to screw nut, different screw thread spiral shell of the three nuts interconnection unification mechanism by arranged in series and after being brought into close contact
This female three is connected to become an entirety, prevents " one of nut rotation and two other is static " or prevents " therein
Two nut rotations and the 3rd it is static ", ensure that the nut A, same to screw nut, different screw nut this three must be simultaneously same
Direction is rotated or transfixion；
After contrary operation by interconnection unification, the three nuts interconnection unification mechanism will can have been connected into after an entirety
The nut A, same to screw nut, different screw nut this three be restored back to three individually individuals；
The nut is made by stainless steel material.
In summary, the present invention is with the superior beneficial effect of fastening performance.
Embodiment
Three embodiments of the present invention are as follows：
1st, embodiment one belongs to a kind of while including the retention mechanism of plus thread and left-hand thread, it is characterized in that,
The plus thread may belong to clockwise screw thread, may be reversed；
The left-hand thread may belong to screw thread counterclockwise, may be reversed；
Including one section of bolt body；
Also include being located on the bolt body one section twists thread segment counterclockwise；
Also include being located on the bolt body one section twists thread segment clockwise；
It is described to twist thread segment counterclockwise and the thread segment of twisting clockwise is mutually combined on the bolt body both this
Intersect；
Also include nut A, same to screw nut, different screw nut, this three is fastened on the bolt body, three's series connection
Arrange and be brought into close contact；
The nut A, same to screw nut, the respectively left, center, right that put in order of different this three of screw nut, the spiral shell of this three
Line rotation direction be respectively " twist, twist counterclockwise clockwise, twisting clockwise " or be respectively " twist, twist clockwise counterclockwise,
Twist counterclockwise "；
The nut A, same to screw nut, this three of different screw nut are also common to include a three nuts interconnection unification mechanism, institute
State the nut A, same to screw nut, different screw thread spiral shell of the three nuts interconnection unification mechanism by arranged in series and after being brought into close contact
This female three is connected to become an entirety, prevents " one of nut rotation and two other is static " or prevents " therein
Two nut rotations and the 3rd it is static ", ensure that the nut A, same to screw nut, different screw nut this three must be simultaneously same
Direction is rotated or transfixion；
After contrary operation by interconnection unification, the three nuts interconnection unification mechanism will can have been connected into after an entirety
The nut A, same to screw nut, different screw nut this three be restored back to three individually individuals.
2nd, embodiment two belongs to a kind of while including the retention mechanism of plus thread and left-hand thread, it is characterized in that,
The plus thread belongs to clockwise screw thread；
The left-hand thread belongs to screw thread counterclockwise；
Including one section of bolt body；
Also include being located on the bolt body one section twists thread segment counterclockwise；
Also include being located on the bolt body one section twists thread segment clockwise；
It is described to twist thread segment counterclockwise and the thread segment of twisting clockwise is mutually combined on the bolt body both this
Intersect；
Also include nut A, same to screw nut, different screw nut, this three is fastened on the bolt body, three's series connection
Arrange and be brought into close contact；
The nut A, same to screw nut, the respectively left, center, right that put in order of different this three of screw nut, the spiral shell of this three
Line rotation direction be respectively " twist, twist counterclockwise clockwise, twisting clockwise " or be respectively " twist, twist clockwise counterclockwise,
Twist counterclockwise "；
The nut A, same to screw nut, this three of different screw nut are also common to include a three nuts interconnection unification mechanism, institute
State the nut A, same to screw nut, different screw thread spiral shell of the three nuts interconnection unification mechanism by arranged in series and after being brought into close contact
This female three is connected to become an entirety, prevents " one of nut rotation and two other is static " or prevents " therein
Two nut rotations and the 3rd it is static ", ensure that the nut A, same to screw nut, different screw nut this three must be simultaneously same
Direction is rotated or transfixion；
After contrary operation by interconnection unification, the three nuts interconnection unification mechanism will can have been connected into after an entirety
The nut A, same to screw nut, different screw nut this three be restored back to three individually individuals.
3rd, embodiment three belongs to a kind of while including the retention mechanism of plus thread and left-hand thread, it is characterized in that,
The plus thread belongs to screw thread counterclockwise,
The left-hand thread belongs to clockwise screw thread,
Including one section of bolt body；
Also include being located on the bolt body one section twists thread segment counterclockwise；
Also include being located on the bolt body one section twists thread segment clockwise；
It is described to twist thread segment counterclockwise and the thread segment of twisting clockwise is mutually combined on the bolt body both this
Intersect；
Also include nut A, same to screw nut, different screw nut, this three is fastened on the bolt body, three's series connection
Arrange and be brought into close contact；
The nut A, same to screw nut, the respectively left, center, right that put in order of different this three of screw nut, the spiral shell of this three
Line rotation direction be respectively " twist, twist counterclockwise clockwise, twisting clockwise " or be respectively " twist, twist clockwise counterclockwise,
Twist counterclockwise "；
The nut A, same to screw nut, this three of different screw nut are also common to include a three nuts interconnection unification mechanism, institute
State the nut A, same to screw nut, different screw thread spiral shell of the three nuts interconnection unification mechanism by arranged in series and after being brought into close contact
This female three is connected to become an entirety, prevents " one of nut rotation and two other is static " or prevents " therein
Two nut rotations and the 3rd it is static ", ensure that the nut A, same to screw nut, different screw nut this three must be simultaneously same
Direction is rotated or transfixion；
After contrary operation by interconnection unification, the three nuts interconnection unification mechanism will can have been connected into after an entirety
The nut A, same to screw nut, different screw nut this three be restored back to three individually individuals.
4th, the retention mechanism of plus thread and left-hand thread is included simultaneously according to claim 1, it is characterized in that,
The plus thread may belong to clockwise screw thread, may be reversed；
The left-hand thread may belong to screw thread counterclockwise, may be reversed；
Including one section of bolt body；
Also include being located on the bolt body one section twists thread segment counterclockwise；
Also include being located on the bolt body one section twists thread segment clockwise；
It is described to twist thread segment counterclockwise and the thread segment of twisting clockwise is mutually combined on the bolt body both this
Intersect；
Also include nut A, same to screw nut, different screw nut, this three is fastened on the bolt body, three's series connection
Arrange and be brought into close contact；
The nut A, same to screw nut, the respectively left, center, right that put in order of different this three of screw nut, the spiral shell of this three
Line rotation direction be respectively " twist, twist counterclockwise clockwise, twisting clockwise " or be respectively " twist, twist clockwise counterclockwise,
Twist counterclockwise "；
The nut A, same to screw nut, this three of different screw nut are also common to include a three nuts interconnection unification mechanism, institute
State the nut A, same to screw nut, different screw thread spiral shell of the three nuts interconnection unification mechanism by arranged in series and after being brought into close contact
This female three is connected to become an entirety, prevents " one of nut rotation and two other is static " or prevents " therein
Two nut rotations and the 3rd it is static ", ensure that the nut A, same to screw nut, different screw nut this three must be simultaneously same
Direction is rotated or transfixion；
After contrary operation by interconnection unification, the three nuts interconnection unification mechanism will can have been connected into after an entirety
The nut A, same to screw nut, different screw nut this three be restored back to three individually individuals；
The nut is made by stainless steel material.
Claims (4)
1. it is a kind of while include the retention mechanism of plus thread and left-hand thread, it is characterized in that,
The plus thread may belong to clockwise screw thread, may be reversed；
The left-hand thread may belong to screw thread counterclockwise, may be reversed；
Including one section of bolt body；
Also include being located on the bolt body one section twists thread segment counterclockwise；
Also include being located on the bolt body one section twists thread segment clockwise；
It is described to twist thread segment counterclockwise and the thread segment of twisting clockwise is mutually combined on the bolt body both this
Intersect；
Also include nut A, same to screw nut, different screw nut, this three is fastened on the bolt body, three's series connection
Arrange and be brought into close contact；
The nut A, same to screw nut, the respectively left, center, right that put in order of different this three of screw nut, the spiral shell of this three
Line rotation direction be respectively " twist, twist counterclockwise clockwise, twisting clockwise " or be respectively " twist, twist clockwise counterclockwise,
Twist counterclockwise "；
The nut A, same to screw nut, this three of different screw nut are also common to include a three nuts interconnection unification mechanism, institute
State the nut A, same to screw nut, different screw thread spiral shell of the three nuts interconnection unification mechanism by arranged in series and after being brought into close contact
This female three is connected to become an entirety, prevents " one of nut rotation and two other is static " or prevents " therein
Two nut rotations and the 3rd it is static ", ensure that the nut A, same to screw nut, different screw nut this three must be simultaneously same
Direction is rotated or transfixion；
After contrary operation by interconnection unification, the three nuts interconnection unification mechanism will can have been connected into after an entirety
The nut A, same to screw nut, different screw nut this three be restored back to three individually individuals.
2. include the retention mechanism of plus thread and left-hand thread simultaneously according to claim 1, it is characterized in that,
The plus thread belongs to clockwise screw thread；
The left-hand thread belongs to screw thread counterclockwise；
Including one section of bolt body；
Also include being located on the bolt body one section twists thread segment counterclockwise；
Also include being located on the bolt body one section twists thread segment clockwise；
It is described to twist thread segment counterclockwise and the thread segment of twisting clockwise is mutually combined on the bolt body both this
Intersect；
Also include nut A, same to screw nut, different screw nut, this three is fastened on the bolt body, three's series connection
Arrange and be brought into close contact；
The nut A, same to screw nut, the respectively left, center, right that put in order of different this three of screw nut, the spiral shell of this three
Line rotation direction be respectively " twist, twist counterclockwise clockwise, twisting clockwise " or be respectively " twist, twist clockwise counterclockwise,
Twist counterclockwise "；
The nut A, same to screw nut, this three of different screw nut are also common to include a three nuts interconnection unification mechanism, institute
State the nut A, same to screw nut, different screw thread spiral shell of the three nuts interconnection unification mechanism by arranged in series and after being brought into close contact
This female three is connected to become an entirety, prevents " one of nut rotation and two other is static " or prevents " therein
Two nut rotations and the 3rd it is static ", ensure that the nut A, same to screw nut, different screw nut this three must be simultaneously same
Direction is rotated or transfixion；
After contrary operation by interconnection unification, the three nuts interconnection unification mechanism will can have been connected into after an entirety
The nut A, same to screw nut, different screw nut this three be restored back to three individually individuals.
3. include the retention mechanism of plus thread and left-hand thread simultaneously according to claim 1, it is characterized in that,
The plus thread belongs to screw thread counterclockwise,
The left-hand thread belongs to clockwise screw thread,
Including one section of bolt body；
Also include being located on the bolt body one section twists thread segment counterclockwise；
Also include being located on the bolt body one section twists thread segment clockwise；
It is described to twist thread segment counterclockwise and the thread segment of twisting clockwise is mutually combined on the bolt body both this
Intersect；
Also include nut A, same to screw nut, different screw nut, this three is fastened on the bolt body, three's series connection
Arrange and be brought into close contact；
The nut A, same to screw nut, the respectively left, center, right that put in order of different this three of screw nut, the spiral shell of this three
Line rotation direction be respectively " twist, twist counterclockwise clockwise, twisting clockwise " or be respectively " twist, twist clockwise counterclockwise,
Twist counterclockwise "；
The nut A, same to screw nut, this three of different screw nut are also common to include a three nuts interconnection unification mechanism, institute
State the nut A, same to screw nut, different screw thread spiral shell of the three nuts interconnection unification mechanism by arranged in series and after being brought into close contact
This female three is connected to become an entirety, prevents " one of nut rotation and two other is static " or prevents " therein
Two nut rotations and the 3rd it is static ", ensure that the nut A, same to screw nut, different screw nut this three must be simultaneously same
Direction is rotated or transfixion；
After contrary operation by interconnection unification, the three nuts interconnection unification mechanism will can have been connected into after an entirety
The nut A, same to screw nut, different screw nut this three be restored back to three individually individuals.
4. include the retention mechanism of plus thread and left-hand thread simultaneously according to claim 1, it is characterized in that,
The plus thread may belong to clockwise screw thread, may be reversed；
The left-hand thread may belong to screw thread counterclockwise, may be reversed；
Including one section of bolt body；
Also include being located on the bolt body one section twists thread segment counterclockwise；
Also include being located on the bolt body one section twists thread segment clockwise；
It is described to twist thread segment counterclockwise and the thread segment of twisting clockwise is mutually combined on the bolt body both this
Intersect；
Also include nut A, same to screw nut, different screw nut, this three is fastened on the bolt body, three's series connection
Arrange and be brought into close contact；
The nut A, same to screw nut, the respectively left, center, right that put in order of different this three of screw nut, the spiral shell of this three
Line rotation direction be respectively " twist, twist counterclockwise clockwise, twisting clockwise " or be respectively " twist, twist clockwise counterclockwise,
Twist counterclockwise "；
The nut A, same to screw nut, this three of different screw nut are also common to include a three nuts interconnection unification mechanism, institute
State the nut A, same to screw nut, different screw thread spiral shell of the three nuts interconnection unification mechanism by arranged in series and after being brought into close contact
This female three is connected to become an entirety, prevents " one of nut rotation and two other is static " or prevents " therein
Two nut rotations and the 3rd it is static ", ensure that the nut A, same to screw nut, different screw nut this three must be simultaneously same
Direction is rotated or transfixion；
After contrary operation by interconnection unification, the three nuts interconnection unification mechanism will can have been connected into after an entirety
The nut A, same to screw nut, different screw nut this three be restored back to three individually individuals；
The nut is made by stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610611853.8A CN107143564A (en) | 2016-07-30 | 2016-07-30 | Include the retention mechanism of plus thread and left-hand thread simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610611853.8A CN107143564A (en) | 2016-07-30 | 2016-07-30 | Include the retention mechanism of plus thread and left-hand thread simultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107143564A true CN107143564A (en) | 2017-09-08 |
Family
ID=59783514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610611853.8A Pending CN107143564A (en) | 2016-07-30 | 2016-07-30 | Include the retention mechanism of plus thread and left-hand thread simultaneously |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107143564A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143568A (en) * | 2017-04-14 | 2017-09-08 | 廖华勇 | Many reciprocal retaining mechanisms of nut |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1867479A (en) * | 2003-09-17 | 2006-11-22 | 岩田螺丝株式会社 | Bolt-nut mechanism |
| CN2924125Y (en) * | 2006-05-24 | 2007-07-18 | 汕头市华泰轻钢结构有限公司 | Steel structure horizontal bracing unit |
| CN201606384U (en) * | 2010-02-10 | 2010-10-13 | 姚乐 | Reinforcing screw with forward and reverse screw threads |
| CN201650998U (en) * | 2010-01-21 | 2010-11-24 | 上海纳杰电气成套有限公司 | Tightening bolt with forward and reverse thread tops |
| US20150219144A1 (en) * | 2014-01-31 | 2015-08-06 | Kaoru Taneichi | Fastening device |
-
2016
- 2016-07-30 CN CN201610611853.8A patent/CN107143564A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1867479A (en) * | 2003-09-17 | 2006-11-22 | 岩田螺丝株式会社 | Bolt-nut mechanism |
| CN2924125Y (en) * | 2006-05-24 | 2007-07-18 | 汕头市华泰轻钢结构有限公司 | Steel structure horizontal bracing unit |
| CN201650998U (en) * | 2010-01-21 | 2010-11-24 | 上海纳杰电气成套有限公司 | Tightening bolt with forward and reverse thread tops |
| CN201606384U (en) * | 2010-02-10 | 2010-10-13 | 姚乐 | Reinforcing screw with forward and reverse screw threads |
| US20150219144A1 (en) * | 2014-01-31 | 2015-08-06 | Kaoru Taneichi | Fastening device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143568A (en) * | 2017-04-14 | 2017-09-08 | 廖华勇 | Many reciprocal retaining mechanisms of nut |
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Application publication date: 20170908 |