EP0698355A1 - Quick fastener - Google Patents
Quick fastener Download PDFInfo
- Publication number
- EP0698355A1 EP0698355A1 EP95113248A EP95113248A EP0698355A1 EP 0698355 A1 EP0698355 A1 EP 0698355A1 EP 95113248 A EP95113248 A EP 95113248A EP 95113248 A EP95113248 A EP 95113248A EP 0698355 A1 EP0698355 A1 EP 0698355A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pin
- locknut
- fastener
- spring
- bore diameter
- 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.)
- Withdrawn
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C25/00—Miscellaneous fancy ware for personal wear, e.g. pendants, crosses, crucifixes, charms
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
- A44C5/18—Fasteners for straps, chains or the like
- A44C5/20—Fasteners for straps, chains or the like for open straps, chains or the like
- A44C5/2057—Fasteners locked by sliding or rotating of the male element of the fastener; Turn-button fasteners
- A44C5/2061—Fasteners locked by sliding or rotating of the male element of the fastener; Turn-button fasteners combined with spring means
Definitions
- This invention relates to a quick fastener, particularly to a fastener suitable for joining necklace quickly.
- the present invention provides a fastener which is characterized in that the fastener consists of a locknut, a pin and a spring; the shape of said locknut appears as a barrel with bore surface being a flight of one-step, on the portion of smaller bore diameter there are at least one slot extending outwards in the radial direction and axially passing through the whole portion of smaller bore diameter, said slot has such a depth that the radius of the bottom portion of the slot must be less than or equal to the radius of the larger bore, and at least one positioning groove extending axially and occupying only a part length of the portion of smaller bore diameter, said positioning groove has the width approximate to that of the slots, while the number of said positioning grooves is equal to that of the slots; said pin is a cylinder at whose end there is at least one convex segment extending outwards in the radial direction, the number, the position relative to each other, the width and the height of the convex segments just match the number, the position relative
- the said spring can be mounted on the spring base of the locknut, and is propped with its free end against the butt end of the pin; the said spring can also be mounted on the spring base of the pin, and is propped with its free end against the butt end of the locknut.
- the fastener in accordance with the present invention can be either joined or separated conveniently, its joining strength is high, its manufacturing technology is simple and its cost is low.
- the fastener can be made from metal or polymeric material by one of the following processing methods, such as injection molding, die casting, machining and impact forming.
- the first embodiment of the fastener in accordance with the invention is shown from Fig. 1 to Fig. 11, where Fig. 1 shows an assembly view of the fastener and indicates the fastener in a joined state.
- the fastener includes a locknut set 18, a pin set 1 and a spring 5.
- Said locknut set 18 consists of a locknut 6 (Figs. 10 and 11) and an auxiliary part 4' (Figs. 6 and 7) secured to the end of the locknut 6.
- the shape of said locknut 6 appears as a barrel with its bore surface being a flight of one step. On the bore surface of the portion of smaller bore diameter there are at least two slots 63 oppositely positioned in the radial direction.
- the depths of these two said slots 63 are radially extending outwards and their longitudinal lengths axially pass through the portion of smaller bore diameter.
- the longitudinal lengths of these positioning grooves 61 occupy only a part length of the portion of smaller bore diameter and their widths are preferably equal to those of the slots 63.
- the auxiliary part 4' is welded on the end with larger bore diameter of the locknut 6.
- the said pin set 1 includes a pin 2 (Figs. 2 and 3), a pin sleeve 3 (Fig. 4 and 5) and an auxiliary part 4 (Figs. 8 and 9).
- the shape of said pin 2 is just a cylinder with a flight of two steps, in which the maximum diameter, i.e. the outer diameter of the auxiliary base 24 matches the inner diameter of the pin sleeve 3, the medium diameter, i.e. the outer diameter of the spring base 23 matches the inner diameter of the spring 5, and the minimum diameter of the portion 22 matches the inner diameter of the smaller bore 62 on the locknut 6.
- the maximum diameter i.e. the outer diameter of the auxiliary base 24 matches the inner diameter of the pin sleeve 3
- the medium diameter, i.e. the outer diameter of the spring base 23 matches the inner diameter of the spring 5
- the minimum diameter of the portion 22 matches the inner diameter of the smaller bore 62 on the locknut 6.
- At the end of the portion 22 of minimum diameter there are two convex segments 21 oppositely positioned in the radial direction and radially extended outwards. Both the widths and the heights of these convex segments 21 match the corresponding ones of the positioning grooves 61 of the locknut
- the pin 2 Inside the pin sleeve 3 is located the pin 2, whose auxiliary base 24 is welded onto the end of the pin sleeve 3.
- the spring 5 is mounted on the spring base 23 of the pin 2, pressing onto the butt end 66 of the locknut 6 with its free end.
- the auxiliary part 4 is welded onto the butt end of the auxiliary base 24.
- All parts of the present embodiment can be produced without any difficulties from metal or polymeric material by one of the following processing methods, such as injection molding, die casting, machining and impact forming.
- the second embodiment of the fastener in accordance with the invention is illustrated in the Figs. from 12 to 19.
- the locknut and the pin in the present embodiment are the same as in the first embodiment, the main differences lie in that the spring 5 is located inside the portion of larger bore diameter of the locknut 8, and is pressed onto the butt end of the pin 7 with its free end, meanwhile, the pin 7 possesses an integral structure having a rod-shaped auxiliary part 72 with a flange71 (Figs. 14 and 15), and the auxiliary part 9 also possesses a spring base 91 with an auxiliary base 94, a rod-shaped part 92 and a flange 93 (Figs. 18 and 19).
- the auxiliary base 94 of the auxiliary part 9 is welded to the locknut 8 at the end of the portion of larger bore diameter.
- This embodiment can be used, such as for shoelaces, in this case, the only thing needed is to join the shoelaces 11 to auxiliary parts by coverings 10.
- Fig. 20 The third embodiment of the fastener in accordance with the invention is illustrated in Fig. 20.
- This embodiment is basically the same as the first embodiment, the only difference lies in that the pin 12 is an integral structure having a pin sleeve and a auxiliary part, moreover, the auxiliary part 14 is a ring hooked to the lock nut 13.
- FIGs. 21 and 22 The fourth embodiment of the fastener in accordance with the invention is illustrated in Figs. 21 and 22.
- This embodiment is basically the same as the second embodiment, the only difference lies in that the locknut 19 possessing the slots and the positioning grooves is at first fabricated independently, and then fixed to the core of the barrel 20 with larger bore diameter by using the screws 17.
- the fifth embodiment of the fastener in accordance with the invention is illustrated in Fig. 23, its difference lies in that said fastener can be used to join two parts 102, 102' propped against each other. Said joined parts 102,102' possess the through hole 103.
- One end of the pin 2 is shaped like a head of an usual bolt (Figs. 28 and 29); the locknut 6 (Figs. 26 and 27) has only one smaller bore diameter; there are two concave notches 104 positioned oppositely in the radial direction of the inner hole of the ring gasket 101, these concave notches allow the convex segments of the pin 2 to be passed through.
- the ring gasket 101 can be omitted; or alternatively, if in the inner surface of the through hole 103 the axial slots are shaped to position oppositely in the radial direction, and to extend axially through the through hole 103 and outwards radially, the ring gasket can also be omitted.
Landscapes
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Connection Of Plates (AREA)
Abstract
A fastener which is characterized in that the fastener consists of a locknut (6), a pin (2) and a spring (5); the shape of said locknut appears as a barrel with bore surface being a flight of one step, on the portion of smaller bore diameter there are at least one slot (63) extending outwards in the radial direction and axially passing through the whole portion of smaller bore diameter, and at least one positioning groove extending axially and occupying only a part length of the portion of smaller bore diameter; the width and the number of said positioning grooves (61) are equal to those of said slots (63); the said pin is a cylinder (22) at whose end there is at least one convex segment (21) extending outwards in the radial direction, the number, the position relative to each other, the width and the height of the convex segment just match the number, the position relative to each other, the width and the depth of the locknut correspondingly; said locknut (6) is coupled to said pin (2) by way of rotary and sliding housed joint, and said spring (5) is located between said lock nut and said pin.
Description
- This invention relates to a quick fastener, particularly to a fastener suitable for joining necklace quickly.
- In general, there are two types of usual fastener for necklace, e.g. the threaded fastener and the fastener using a spring button. In these prior-art fasteners, the joining strength is low, their separating and joining are inconvenient, the manufacturing technology is complicated and the cost is rather high, hence, it is unsatisfied for application.
- Accordingly, it is an object of the present invention to provide a new quick fastener for quickly separating and joining things like necklace, cord, belt and so on, which has the advantages of high joining strength, convenient and quick separation and joining, simple manufacturing technology and lower cost.
- With the above-mentioned aim, the present invention provides a fastener which is characterized in that the fastener consists of a locknut, a pin and a spring; the shape of said locknut appears as a barrel with bore surface being a flight of one-step, on the portion of smaller bore diameter there are at least one slot extending outwards in the radial direction and axially passing through the whole portion of smaller bore diameter, said slot has such a depth that the radius of the bottom portion of the slot must be less than or equal to the radius of the larger bore, and at least one positioning groove extending axially and occupying only a part length of the portion of smaller bore diameter, said positioning groove has the width approximate to that of the slots, while the number of said positioning grooves is equal to that of the slots; said pin is a cylinder at whose end there is at least one convex segment extending outwards in the radial direction, the number, the position relative to each other, the width and the height of the convex segments just match the number, the position relative to each other, the width and the depth of the slots and the positioning grooves of the locknut correspondingly; said locknut is coupled to said pin by way of rotary and sliding housed joint, and said spring is located between said locknut and said pin.
- The said spring can be mounted on the spring base of the locknut, and is propped with its free end against the butt end of the pin; the said spring can also be mounted on the spring base of the pin, and is propped with its free end against the butt end of the locknut.
- For fastening it, aim the convex segments of the pin against the slots of the locknut at first, then insert the pin into the locknut while the spring located on the spring base is being pressed, finally, after the convex segments have passed through the slots, rotate the pin and the locknut relatively to each other until the convex segments are aimed at the positioning grooves. Under the action of recovery force of spring, the convex segments are inserted into the positioning grooves and pressed onto their bottom, hence a joining is performed. Just performing the above mentioned operations in opposite sequence, the joining can be separated.
- Therefore, the fastener in accordance with the present invention can be either joined or separated conveniently, its joining strength is high, its manufacturing technology is simple and its cost is low. The fastener can be made from metal or polymeric material by one of the following processing methods, such as injection molding, die casting, machining and impact forming.
- The invention on the fastener will now be described in detail by means of embodiments with reference to the accompanying diagrammatical drawings, where
- Fig. 1 is an assembly view of the first embodiment of the fastener in accordance with the invention;
- Fig. 2 is a front view of the pin of the fastener illustrated in Fig. 1;
- Fig. 3 is a side view of Fig. 2;
- Fig. 4 is a half sectional view of the pin sleeve of the fastener illustrated in Fig. 1;
- Fig. 5 is a side view of Fig. 4;
- Fig. 6 and Fig. 7 show correspondingly a front and a side views of an auxiliary part of the fastener illustrated in Fig. 1;
- Fig. 8 and Fig. 9 show correspondingly a front and a side views of another auxiliary part of the fastener illustrated in Fig.1 and are similar to Fig. 6 and fig. 7;
- Fig. 10 is a front view of the locknut of the fastener illustrated in Fig. 1;
- Fig.11 is a side view of Fig. 10;
- Fig. 12 is an assembly view of the second embodiment of the fastener in accordance with the invention;
- Fig. 13 shows an assembly view similar to Fig. 12, where the shoelaces have been fixed, and is in a reduced scale;
- Fig. 14 and Fig. 15 are respectively a front view and a side view of the pin of the fastener illustrated in Fig. 12;
- Fig. 16 and Fig. 17 are respectively a front view and a side view of the locknut of the fastener illustrated in Fig. 12;
- Fig. 18 and Fig. 19 are respectively a front view and a side view of the auxiliary part of the fastener illustrated in Fig. 12;
- Fig. 20 is an assembly view of the third embodiment of the fastener in accordance with the invention;
- Fig. 21 is an assembly view of the fourth embodiment of the fastener in accordance with the invention;
- Fig. 22 is a sectional view of Fig. 21 along the line A-A, where the
pin 16 has been dismounted; - Fig. 23 is an assembly view of the fifth embodiment of the fastener in the joined state according to the invention, the fastener is used to join two matters such as two plates propped against each other;
- Figs. 24 and 25 are respectively a right side view and a left side view of Fig. 23;
- Figs. 26 and 27 are respectively a sectional view and a side view of the locknut of the fastener illustrated in Fig. 23;
- Figs. 28 and 29 are respectively a front view and a side view of the pin of the fastener illustrated in Fig. 23;
- Figs. 30 and 31 are respectively a sectional view and a side view of the ring gasket of the fastener illustrated in Fig. 23.
- The first embodiment of the fastener in accordance with the invention is shown from Fig. 1 to Fig. 11, where Fig. 1 shows an assembly view of the fastener and indicates the fastener in a joined state. The fastener includes a locknut set 18, a pin set 1 and a
spring 5. Saidlocknut set 18 consists of a locknut 6 (Figs. 10 and 11) and an auxiliary part 4' (Figs. 6 and 7) secured to the end of thelocknut 6. The shape of saidlocknut 6 appears as a barrel with its bore surface being a flight of one step. On the bore surface of the portion of smaller bore diameter there are at least twoslots 63 oppositely positioned in the radial direction. The depths of these two saidslots 63 are radially extending outwards and their longitudinal lengths axially pass through the portion of smaller bore diameter. Besides, on the bore surface of the portion of smaller bore diameter, there are twopositioning grooves 61 too, making an angle of 90° withsaid slots 63 along the periphery. The longitudinal lengths of thesepositioning grooves 61 occupy only a part length of the portion of smaller bore diameter and their widths are preferably equal to those of theslots 63. The auxiliary part 4' is welded on the end with larger bore diameter of thelocknut 6. The saidpin set 1 includes a pin 2 (Figs. 2 and 3), a pin sleeve 3 (Fig. 4 and 5) and an auxiliary part 4 (Figs. 8 and 9). The shape of saidpin 2 is just a cylinder with a flight of two steps, in which the maximum diameter, i.e. the outer diameter of theauxiliary base 24 matches the inner diameter of thepin sleeve 3, the medium diameter, i.e. the outer diameter of thespring base 23 matches the inner diameter of thespring 5, and the minimum diameter of theportion 22 matches the inner diameter of thesmaller bore 62 on thelocknut 6. At the end of theportion 22 of minimum diameter there are twoconvex segments 21 oppositely positioned in the radial direction and radially extended outwards. Both the widths and the heights of theseconvex segments 21 match the corresponding ones of thepositioning grooves 61 of thelocknut 6. Inside thepin sleeve 3 is located thepin 2, whoseauxiliary base 24 is welded onto the end of thepin sleeve 3. Thespring 5 is mounted on thespring base 23 of thepin 2, pressing onto the butt end 66 of thelocknut 6 with its free end. Theauxiliary part 4 is welded onto the butt end of theauxiliary base 24. - During application, insert the locknut set 18 into the pin set 1 through the opening end of the
pin sleeve 3. In this course, theconvex segments 21 of thepin 2 are sliding along theslots 63 of thelocknut 6 while the spring is being pressed. After theconvex segments 21 have passed through theslots 63, rotate locknut set 18 to aim thegrooves 61 of thelocknut 6 at theconvex segments 21. Under the action of the recovery force of thespring 5, thebutt end 25 of theconvex segment 21 presses on thebottom 65 of thepositioning groove 61, the joining is then performed. Just performing the above mentioned operations in opposite sequence, the joining can be separated easily. - All parts of the present embodiment can be produced without any difficulties from metal or polymeric material by one of the following processing methods, such as injection molding, die casting, machining and impact forming.
- The second embodiment of the fastener in accordance with the invention is illustrated in the Figs. from 12 to 19. The locknut and the pin in the present embodiment are the same as in the first embodiment, the main differences lie in that the
spring 5 is located inside the portion of larger bore diameter of thelocknut 8, and is pressed onto the butt end of thepin 7 with its free end, meanwhile, thepin 7 possesses an integral structure having a rod-shapedauxiliary part 72 with a flange71 (Figs. 14 and 15), and theauxiliary part 9 also possesses aspring base 91 with anauxiliary base 94, a rod-shaped part 92 and a flange 93 (Figs. 18 and 19). Theauxiliary base 94 of theauxiliary part 9 is welded to thelocknut 8 at the end of the portion of larger bore diameter. This embodiment can be used, such as for shoelaces, in this case, the only thing needed is to join theshoelaces 11 to auxiliary parts bycoverings 10. - The third embodiment of the fastener in accordance with the invention is illustrated in Fig. 20. This embodiment is basically the same as the first embodiment, the only difference lies in that the
pin 12 is an integral structure having a pin sleeve and a auxiliary part, moreover, theauxiliary part 14 is a ring hooked to thelock nut 13. - The fourth embodiment of the fastener in accordance with the invention is illustrated in Figs. 21 and 22. This embodiment is basically the same as the second embodiment, the only difference lies in that the
locknut 19 possessing the slots and the positioning grooves is at first fabricated independently, and then fixed to the core of thebarrel 20 with larger bore diameter by using thescrews 17. - The fifth embodiment of the fastener in accordance with the invention is illustrated in Fig. 23, its difference lies in that said fastener can be used to join two
parts 102, 102' propped against each other. Said joined parts 102,102' possess the throughhole 103. One end of thepin 2 is shaped like a head of an usual bolt (Figs. 28 and 29); the locknut 6 (Figs. 26 and 27) has only one smaller bore diameter; there are twoconcave notches 104 positioned oppositely in the radial direction of the inner hole of thering gasket 101, these concave notches allow the convex segments of thepin 2 to be passed through. During joining, at first mount thespring 5 on the pin between thering gasket 101 and the end of thepin 2, which is shaped like a head of an usual bolt, then pass thepin 2 through the throughhole 103 of the joinedparts 102, 102', fix thelocknut 6 on the end possessing the convex segments of thepin 2. - Obviously, in the present embodiment, if the inner diameter of the
spring 5 is larger than that of the throughhole 103, thering gasket 101 can be omitted; or alternatively, if in the inner surface of the throughhole 103 the axial slots are shaped to position oppositely in the radial direction, and to extend axially through the throughhole 103 and outwards radially, the ring gasket can also be omitted.
Claims (5)
- a fastener which is characterized in that the fastener consists of a locknut, a pin and a spring; the shape of said locknut appears as a barrel with bore surface being a flight of one step, on the portion of smaller bore diameter there are at least one slot extending outwards in the radial direction and axially passing through the whole portion of smaller bore diameter, said slot has such a depth that the radius of the bottom position of the slot must be less than or equal to the radius of the larger bore, and at least one positioning groove extending axially and occupying only a part length of th portion of smaller bore diameter, the positioning grooves have the width approximate to that of the slots, while the number of said positioning grooves is equal to that of the slots; said pin is a cylinder at whose end there is at least one convex segment extending outwards in the radial direction, the number, the position relative to each other, the width and the height of the convex segment just match the number, the position relative to each other, the width and the depth of the slots and the positioning grooves on the locknut correspondingly; said locknut is coupled to said pin by way of a rotary and sliding housed joint and said spring is located between said locknut and said pin.
- A fastener as claimed in claim 1, which is characterized in that said spring can be mounted on the spring base of the pin and is propped with its free end against the butt and of the locknut;
- A fastener as claimed in claim 1, which is characterized in that said spring can be mounted on the spring base of the locknut and is propped with its free end against the butt end of the pin.
- A fastener as claimed in claim 1, which is characterized in that said locknut can have only one portion of said smaller bore diameter, said pin is a cylinder at whose end there are the convex segments extending outwards in the radial direction, said spring is jacketed on the pin, the joined matters are clamped between the locknut through which the pin is passed and the other end of the pin.
- A fastener as claimed in claim 4, which is characterized in that said locknut can be integrated with one from the joined matters.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN94219521U CN2219613Y (en) | 1994-08-25 | 1994-08-25 | Quick fastening device for necklace or belt |
CN94219521 | 1994-08-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0698355A1 true EP0698355A1 (en) | 1996-02-28 |
Family
ID=5053671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95113248A Withdrawn EP0698355A1 (en) | 1994-08-25 | 1995-08-23 | Quick fastener |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0698355A1 (en) |
JP (1) | JP3023092U (en) |
KR (1) | KR960006872U (en) |
CN (1) | CN2219613Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2241337A1 (en) | 2007-06-07 | 2010-10-20 | Zobele Holding SpA | Volatile substances diffuser |
US11583018B2 (en) | 2014-08-09 | 2023-02-21 | Apple Inc. | Milanese band |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5660489B2 (en) * | 2010-07-14 | 2015-01-28 | 株式会社パールスペンサー | Jewelry fastener and jewelry using the same |
KR101854774B1 (en) * | 2017-07-21 | 2018-06-20 | (주) 렉스다이아몬드 | connecting apparatus of accessories |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR505837A (en) * | 1919-07-12 | 1920-08-07 | Fritz Zurbuchen | Clasp for jewelry pieces |
FR696020A (en) * | 1930-05-23 | 1930-12-24 | Closing device for chains, bracelets, bag clasps or other similar applications | |
US3286316A (en) * | 1964-05-22 | 1966-11-22 | Nathan Roth | Coupling |
-
1994
- 1994-08-25 CN CN94219521U patent/CN2219613Y/en not_active Expired - Fee Related
-
1995
- 1995-08-23 EP EP95113248A patent/EP0698355A1/en not_active Withdrawn
- 1995-08-24 KR KR2019950022056U patent/KR960006872U/en not_active Application Discontinuation
- 1995-08-25 JP JP1995008967U patent/JP3023092U/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR505837A (en) * | 1919-07-12 | 1920-08-07 | Fritz Zurbuchen | Clasp for jewelry pieces |
FR696020A (en) * | 1930-05-23 | 1930-12-24 | Closing device for chains, bracelets, bag clasps or other similar applications | |
US3286316A (en) * | 1964-05-22 | 1966-11-22 | Nathan Roth | Coupling |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2241337A1 (en) | 2007-06-07 | 2010-10-20 | Zobele Holding SpA | Volatile substances diffuser |
US11583018B2 (en) | 2014-08-09 | 2023-02-21 | Apple Inc. | Milanese band |
Also Published As
Publication number | Publication date |
---|---|
KR960006872U (en) | 1996-03-13 |
CN2219613Y (en) | 1996-02-14 |
JP3023092U (en) | 1996-04-12 |
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Effective date: 19960829 |