WO2019216856A2 - Self locking flush nut enabling the continuity of connection in high pulling forces - Google Patents

Self locking flush nut enabling the continuity of connection in high pulling forces Download PDF

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Publication number
WO2019216856A2
WO2019216856A2 PCT/TR2019/050205 TR2019050205W WO2019216856A2 WO 2019216856 A2 WO2019216856 A2 WO 2019216856A2 TR 2019050205 W TR2019050205 W TR 2019050205W WO 2019216856 A2 WO2019216856 A2 WO 2019216856A2
Authority
WO
WIPO (PCT)
Prior art keywords
enables
locking element
flush nut
main body
connection
Prior art date
Application number
PCT/TR2019/050205
Other languages
French (fr)
Other versions
WO2019216856A3 (en
Inventor
Hasan Basri Bozkurt
Ahmet Ergün
Yalçin KUMRAL
Original Assignee
Hi̇dromek-Hi̇droli̇k Ve Mekani̇k Maki̇na İmalat Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hi̇dromek-Hi̇droli̇k Ve Mekani̇k Maki̇na İmalat Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ filed Critical Hi̇dromek-Hi̇droli̇k Ve Mekani̇k Maki̇na İmalat Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇
Priority to EP19800507.6A priority Critical patent/EP3775586A4/en
Publication of WO2019216856A2 publication Critical patent/WO2019216856A2/en
Publication of WO2019216856A3 publication Critical patent/WO2019216856A3/en

Links

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
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/001—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with means for preventing rotation of the dowel
    • 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
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
    • F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
    • 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
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/08—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation
    • F16B13/0891—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation with a locking element, e.g. wedge, key or ball moving along an inclined surface of the dowel body
    • 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
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/12—Separate metal or non-separate or non-metal dowel sleeves fastened by inserting the screw, nail or the like

Definitions

  • the invention is related to flush nuts that are used in automotive industry, construction of factories and equipment, in the production of household appliances and office machines, in electric and laboratory equipments, sports equipments and various areas.
  • the invention is particularly related to self locking flush nuts that are proofed against high pulling forces, used in wooden and plastic materials in which the bolt teeth cannot open or in materials in which the bolt teeth opens, however; endurance cannot be achieved.
  • flush nuts insert nut, hammering nut
  • Flush nuts are especially preferred in wooden and plastic materials in which the bolt teeth cannot open or in materials in which the bolt teeth opens, however; endurance cannot be achieved.
  • the flush nuts in the prior art can firmly be inserted to the hole opened in the part, however; they can go out of the part when exposed to a high force in the direction of pulling. Due to this mentioned problem, accidents can occur and safety can be threatened.
  • the technical content of the beneficial model is related to hammered nuts of the invention, which are mounted onto the materials containing a surface such as particle board or air-ply wood and which also enable other components to be added upon, after the mounting process.
  • the invention specifically relates to enhancement of adherence force of the said hammering nuts onto the surface they are hammered.
  • the present invention is related to a flush nut which fulfills the necessities that are mentioned above and eliminates all the disadvantages and in addition provides some additional advantages.
  • the main purpose of the invention is to provide a self locking embedded connection which is proofed against the high pulling forces in wooden and plastic materials in which the bolt teeth cannot open or in materials in which the bolt teeth opens, however; endurance cannot be achieved.
  • One aim of the invention is to enable the continuity of the connection by preventing the dislodging of the nut in the presence of high pulling forces.
  • Another aim of the invention is to prevent the possible accidents, by the virtue of preventing the dislodging of the nut in the presence of high pulling forces.
  • Another aim of the invention is to reduce the loss of time and labor force as well as to prevent financial losses, by eliminating the possible problems by the virtue of preventing the dislodging of the nut in the presence of high pulling forces.
  • the present invention is a self locking flush nut which is embedded into the medium it is being used in and enables the mounting of the parts to each other due to the bolt which is attached in it and also enables the continuity of the connection even under high pulling forces; wherein it includes a main body, a locking element which is located inside the main body in order to enable the structure be locked mechanically, a settling volume which enables a locating medium to the lock element by opening into the main body, a Compression volume which enables a connection as a result of compression in the end part of the flush nut by being opened inside the main body with a diameter which is smaller than the diameter of the locking element, a Connection pawl which is located on the outer surface of the compression volume and which enables the connection as a result of compression and fixing threads which prevent the axial rotation of the flush nut when located inside the part.
  • Figure-1 is a demounted perspective view of the flush nut of the invention.
  • Figure-2 is a cross-sectional demounted perspective view of the flush nut of the invention.
  • Figure-3 is a cross-sectional perspective view of the flush nut of the invention to be mounted onto the part.
  • Figure-4 is a cross-sectional perspective view of the flush nut of the invention which is mounted onto the part.
  • Figure-5 is a perspective view of the flush nut of the invention.
  • Demounted perspective view of a flush nut (100) of the invention is shown in Figure 1 and demounted cross-sectional perspective view of the flush nut (100) of the invention is shown in Figure 2.
  • the invention enables a self locking embedded connection which is proofed against high pulling forces in wooden and plastic materials in which a bolt (200) teeth cannot open or in materials in which the bolt (200) teeth opens, however; endurance cannot be achieved.
  • FIG. 5 depicts a perspective view of the flush nut (100) of the invention.
  • the present invention relates to the self locking flush nut (100) which is embedded into the medium it is being used in and enables the mounting of the parts (D) to each other due to the bolt (200) which is attached in it and also enables the continuity of the connection even under high pulling forces wherein it includes a main body (101 ), a locking element (109) which is located inside the main body (101 ) in order to enable the structure be locked mechanically, a settling volume which enables a locating medium to the lock element by opening into the main body, a compression volume (108) which enables a connection as a result of compression in the end part of the flush nut (100) by being opened inside the main body (101 ) with a diameter which is smaller than the diameter of the locking element, a connection pawl which is located on the outer surface of the compression volume (108) and which enables the connection as a result of compression and fixing threads (103) which prevent the axial rotation of the
  • the locking element (109) is located inside the main body (101 ) and enables the structure being locked mechanically.
  • the said locking element is in sphere form.
  • the diameter of the said settling volume (107) is at least equal to the diameter of the locking element (109).
  • There is a compression volume (108) in the main body (101 ) which is opened with a diameter smaller than the diameter of the locking element (109) and enables a connection as a result of compression in the end of flush nut (100).
  • the compression volume (108) has a diameter which is smaller than the diameter of the said settling volume (107) and of the locking element (109).
  • a connection pawl (104) is located on the outer surface of the compression volume (108) and which enables the connection as a result of compression.
  • There is a flexibility leg (105) which enables the force to be applied onto the surface of the hole onto which it is mounted, in the instant that the locking element (109) which is located inside the Settling volume (107) is pushed to the compression volume (108) by the bolt (200).
  • the of the flush nut of the invention is as follows;
  • FIG. 3 depicts a cross-sectional perspective view of the flush nut (100) of the invention to be mounted onto the part (D). While bolt (200) is mounted to the flush nut (100) which is located into the part (D), due to the force that is applied to the bolt (200) in the screwing direction (A), the bolt (200) moves forward in the moving direction (B) inside the flush nut (100).
  • FIG. 4 depicts a cross-sectional perspective view of the flush nut (100) of the invention which is mounted onto the part (D).

Abstract

The present invention is a self locking flush nut (100) which is embedded into the medium it is being used in and enables the mounting of the parts (D) to each other due to the bolt (200) which is attached in it and also enables the continuity of the connection even under high pulling forces; wherein it includes a main body (101), a locking element (109) which is located inside the main body (101) in order to enable the structure be locked mechanically, a settling volume (107) which enables a locating medium to the lock element (109) by opening into the main body (101), a compression volume (108) which enables a connection as a result of compression in the end part of the flush nut (100) by being opened inside the main body (101) with a diameter which is smaller than the diameter of the locking element (109), a connection pawl (104) which is located on the outer surface of the compression volume (108) and which enables the connection as a result of compression and fixing threads (103) which prevent the axial rotation of the flush nut (100) when located inside the part (D).

Description

SELF LOCKING FLUSH NUT ENABLING THE CONTINUITY OF CONNECTION IN HIGH
PULLING FORCES
Technical Field
In general, the invention is related to flush nuts that are used in automotive industry, construction of factories and equipment, in the production of household appliances and office machines, in electric and laboratory equipments, sports equipments and various areas.
The invention is particularly related to self locking flush nuts that are proofed against high pulling forces, used in wooden and plastic materials in which the bolt teeth cannot open or in materials in which the bolt teeth opens, however; endurance cannot be achieved.
Prior Art
Today, flush nuts (insert nut, hammering nut) are used in various areas. Flush nuts are especially preferred in wooden and plastic materials in which the bolt teeth cannot open or in materials in which the bolt teeth opens, however; endurance cannot be achieved.
As an example, they are used in automotive industry; in spare parts of wide variety such as passenger cars and commercial vehicles, engines, transmissions, rear windows, radiators and bumpers; in constructions of factories and equipments, flange sealings, construction equipments, oil burners; in the production of household appliances and office machines, vacuum cleaners, cameras, sun lamps, drills; in electric and laboratory equipments, capacitors, high current, radio and telecommunication systems, in dentistry technology equipments; in sports equipments, tennis rackets and ski bindings.
The flush nuts in the prior art can firmly be inserted to the hole opened in the part, however; they can go out of the part when exposed to a high force in the direction of pulling. Due to this mentioned problem, accidents can occur and safety can be threatened.
This problem existent in the prior art not being solved causes losses in time and labor force and financial losses.
In the patent research with application number TR2006/05646 in prior art; the technical content of the beneficial model is related to hammered nuts of the invention, which are mounted onto the materials containing a surface such as particle board or air-ply wood and which also enable other components to be added upon, after the mounting process.
The invention specifically relates to enhancement of adherence force of the said hammering nuts onto the surface they are hammered.
As a result, a development is required in the said flush nuts and therefore novel structuring are needed to eliminate the disadvantages which are mentioned above and also provide a solution to existing systems.
Description of the Invention
The present invention is related to a flush nut which fulfills the necessities that are mentioned above and eliminates all the disadvantages and in addition provides some additional advantages.
The main purpose of the invention is to provide a self locking embedded connection which is proofed against the high pulling forces in wooden and plastic materials in which the bolt teeth cannot open or in materials in which the bolt teeth opens, however; endurance cannot be achieved.
One aim of the invention is to enable the continuity of the connection by preventing the dislodging of the nut in the presence of high pulling forces.
Another aim of the invention is to prevent the possible accidents, by the virtue of preventing the dislodging of the nut in the presence of high pulling forces.
Another aim of the invention is to reduce the loss of time and labor force as well as to prevent financial losses, by eliminating the possible problems by the virtue of preventing the dislodging of the nut in the presence of high pulling forces.
In order to realize all the advantages that are mentioned above and shall be understood by the detailed description below, the present invention; is a self locking flush nut which is embedded into the medium it is being used in and enables the mounting of the parts to each other due to the bolt which is attached in it and also enables the continuity of the connection even under high pulling forces; wherein it includes a main body, a locking element which is located inside the main body in order to enable the structure be locked mechanically, a settling volume which enables a locating medium to the lock element by opening into the main body, a Compression volume which enables a connection as a result of compression in the end part of the flush nut by being opened inside the main body with a diameter which is smaller than the diameter of the locking element, a Connection pawl which is located on the outer surface of the compression volume and which enables the connection as a result of compression and fixing threads which prevent the axial rotation of the flush nut when located inside the part.
Structural and characteristical features of the invention, along with its all advantages, shall be better understood in detail by the figures provided below and the detailed description which gives references to these figures; therefore, an evaluation shall be made by taking these figures and detailed description into the account.
Description of the Figures
In order for the structure of the present invention to be understood in the best manner, along with extra elements and with all of its advantages; it shall be evaluated with regards to the figures described below.
Figure-1 ; is a demounted perspective view of the flush nut of the invention.
Figure-2; is a cross-sectional demounted perspective view of the flush nut of the invention.
Figure-3; is a cross-sectional perspective view of the flush nut of the invention to be mounted onto the part.
Figure-4; is a cross-sectional perspective view of the flush nut of the invention which is mounted onto the part.
Figure-5; is a perspective view of the flush nut of the invention.
Part References
100- Flush nut
101 - Main body
102- Seating surface
103- Fixing threads
104- Connection pawl
105- Flexibility leg
106- Flexibility slit
107- Settling volume
108- Compression volume
109- Locking element
109.1 - Locking element space 200- Bolt
A: Screwing direction
B: Moving direction
C: Tightening direction
D: Part
Detailed Description of the Invention
Demounted perspective view of a flush nut (100) of the invention is shown in Figure 1 and demounted cross-sectional perspective view of the flush nut (100) of the invention is shown in Figure 2.
The invention enables a self locking embedded connection which is proofed against high pulling forces in wooden and plastic materials in which a bolt (200) teeth cannot open or in materials in which the bolt (200) teeth opens, however; endurance cannot be achieved.
Figure 5 depicts a perspective view of the flush nut (100) of the invention. The present invention relates to the self locking flush nut (100) which is embedded into the medium it is being used in and enables the mounting of the parts (D) to each other due to the bolt (200) which is attached in it and also enables the continuity of the connection even under high pulling forces wherein it includes a main body (101 ), a locking element (109) which is located inside the main body (101 ) in order to enable the structure be locked mechanically, a settling volume which enables a locating medium to the lock element by opening into the main body, a compression volume (108) which enables a connection as a result of compression in the end part of the flush nut (100) by being opened inside the main body (101 ) with a diameter which is smaller than the diameter of the locking element, a connection pawl which is located on the outer surface of the compression volume (108) and which enables the connection as a result of compression and fixing threads (103) which prevent the axial rotation of the flush nut (100) when located inside the part. There is a main body (101 ) in the present invention. The locking element (109) is located inside the main body (101 ) and enables the structure being locked mechanically. The said locking element is in sphere form. There is a locking element space (109.1 ) inside the said locking element (109). There is a settling volume (107) which provides a location medium to the locking element by being opened into the main body (101 ). The diameter of the said settling volume (107) is at least equal to the diameter of the locking element (109). There is a compression volume (108) in the main body (101 ) which is opened with a diameter smaller than the diameter of the locking element (109) and enables a connection as a result of compression in the end of flush nut (100). The compression volume (108) has a diameter which is smaller than the diameter of the said settling volume (107) and of the locking element (109). A connection pawl (104) is located on the outer surface of the compression volume (108) and which enables the connection as a result of compression. There are also fixing threads (103) which prevent the axial rotation of the flush nut (100) when located inside the part (D). There is a flexibility leg (105) which enables the force to be applied onto the surface of the hole onto which it is mounted, in the instant that the locking element (109) which is located inside the Settling volume (107) is pushed to the compression volume (108) by the bolt (200). There is a Flexibility slit (106) which enables an outward opening in the instant that the locking element (109) which is located inside the main body (101 ) is pushed to the compression volume (108) by the bolt (200). There is a seating surface (102) which enables the flush nut (100), which is located in the part (D), be completely seated onto the part (D).
The
Figure imgf000007_0001
of the flush nut
Figure imgf000007_0002
of the invention is as follows;
The flush nut (100) is located into the mounting hole which is opened on the part (D). Fixing threads (103) prevent axial rotation after the mounting. The locking element (109) in sphere form is located in the settling volume (107) which is opened inside the main body (101 ) of the flush nut (100). Figure 3 depicts a cross-sectional perspective view of the flush nut (100) of the invention to be mounted onto the part (D). While bolt (200) is mounted to the flush nut (100) which is located into the part (D), due to the force that is applied to the bolt (200) in the screwing direction (A), the bolt (200) moves forward in the moving direction (B) inside the flush nut (100). Since the moment the end of bolt (200) touches the locking element (109), it pushes the locking element (109) from the settling volume in the moving direction (B). the locking element (109) moves forward to the compression volume (108) which has a diameter that is smaller than the diameter of the settling volume (107) and of the locking element (109). The locking element (109) which moves towards the compression volume, applied force to the flexibility leg (105) in the tightening direction (C). The flexibility legs (105) open outwards due to the applied force and the flexibility slits (106) and apply force to the surface of the hole, onto which they are mounted. The connection pawl (104) on the flexibility legs (105) are inserted to the surface of the hole, onto which it is mounted, and a connection is formed. Therefore; the connection is maintained without being dislodged due to the high pulling force. Figure 4 depicts a cross-sectional perspective view of the flush nut (100) of the invention which is mounted onto the part (D).

Claims

1. Self locking a flush nut (100) which is embedded into the medium it is being used in and enables the mounting of parts (D) to each other due to a bolt (200) which is attached in it and also enables the continuity of the connection even under high pulling forces, characterized by comprising;
A Main body (101 ),
a locking element (109) which is located inside the main body (101 ) in order to enable the structure be locked mechanically
a settling volume (107) which enables a locating medium to the lock element (109) by opening into the main body (101 ),
a compression volume (108) which enables a connection as a result of compression in the end part of the flush nut (100) by being opened inside the main body (101 ) with a diameter which is smaller than the diameter of the locking element (109)
a connection pawl (104) which is located on the outer surface of the compression volume (108) and which enables the connection as a result of compression fixing threads (103) which prevent the axial rotation of the flush nut (100) when located inside the part (D).
2. The flush nut (100) according to Claim 1 , characterized by comprising; a flexibility leg (105) which enables the force to be applied onto the surface of the hole onto which it is mounted, in the instant that the locking element (109) which is located inside the settling volume (107) is pushed to the compression volume (108) by the bolt (200).
3. The flush nut (100) according to Claim 1 , characterized by comprising; a flexibility slit (106) which enables an outward opening in the instant that the locking element (109) which is located inside the main body (101 ) is pushed to the compression volume (108) by the bolt (200).
4. The flush nut (100) according to Claim 1 , characterized by comprising; the diameter of the said settling volume (107) is at least equal to the diameter of the locking element (109).
5. The flush nut (100) according to Claim 1 , characterized by comprising; a compression volume (108) with a diameter which is smaller than the diameter of the said settling volume (107) and the diameter of the locking element (109).
6. The flush nut (100) according to Claim 1 , characterized by comprising; the said locking element (109) is in sphere form.
7. The flush nut (100) according to Claim 1 , characterized by comprising; a seating surface (102) which enables the flush nut (100), which is located in the part (D), be completely seated onto the part (D).
8. The flush nut (100) according to Claim 1 , characterized by comprising; a locking element space (109.1 ) which opens into the said locking element (109).
PCT/TR2019/050205 2018-04-09 2019-03-29 Self locking flush nut enabling the continuity of connection in high pulling forces WO2019216856A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19800507.6A EP3775586A4 (en) 2018-04-09 2019-03-29 Self locking flush nut enabling the continuity of connection in high pulling forces

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2018/04978 2018-04-09
TR201804978 2018-04-09

Publications (2)

Publication Number Publication Date
WO2019216856A2 true WO2019216856A2 (en) 2019-11-14
WO2019216856A3 WO2019216856A3 (en) 2020-01-23

Family

ID=68468230

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (2)

Country Link
EP (1) EP3775586A4 (en)
WO (1) WO2019216856A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115306978A (en) * 2022-10-11 2022-11-08 江苏鸿承机电设备有限公司 Spring antidetonation gallows based on direction is adjusted

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Publication number Priority date Publication date Assignee Title
GB1048548A (en) * 1964-09-10 1966-11-16 Malou Mfg Engineering Company Anchoring device adapted to be anchored in a hole in a rigid material
DE2205624A1 (en) * 1971-03-24 1972-10-05 Phillips Drill Co Cylindrical expansion anchor with a set core
DE3102708A1 (en) * 1981-01-28 1982-08-19 Artur Dr.H.C. 7244 Waldachtal Fischer FLAG ANCHOR
DE4305381A1 (en) * 1993-02-22 1994-08-25 Hilti Ag Expansion dowel with sleeve and expansion body
JP2010014266A (en) * 2008-07-01 2010-01-21 Yutaka Tanaka Stud and bolt having rolled up end
CN105065418A (en) * 2015-09-02 2015-11-18 徐州工业职业技术学院 Fastening screw device of vernier measuring tool
CN205401394U (en) * 2016-03-08 2016-07-27 燕山大学里仁学院 Thread connection with locking function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115306978A (en) * 2022-10-11 2022-11-08 江苏鸿承机电设备有限公司 Spring antidetonation gallows based on direction is adjusted

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WO2019216856A3 (en) 2020-01-23
EP3775586A4 (en) 2021-05-19

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