WO2004100698A1 - 留め具 - Google Patents
留め具 Download PDFInfo
- Publication number
- WO2004100698A1 WO2004100698A1 PCT/JP2003/006163 JP0306163W WO2004100698A1 WO 2004100698 A1 WO2004100698 A1 WO 2004100698A1 JP 0306163 W JP0306163 W JP 0306163W WO 2004100698 A1 WO2004100698 A1 WO 2004100698A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stopper member
- main body
- coil spring
- pin
- opening
- Prior art date
Links
Classifications
-
- 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
- A44C5/2052—Fasteners provided with at least one push-button acting parallel to the main plane of the fastener and perpendicularly to the direction of the fastening
Definitions
- the present invention relates to a fastener used for a necklace, for example.
- Technical background As a fastener used for neckless, for example, a fastener described in Japanese Patent Application Laid-Open No. Hei 8-89320 has been known.
- this conventional fastener comprises a main body a and a pin p.
- the pin p By inserting the pin p into the main body a , these two parts can be connected. More specifically, as shown in FIG. 18, the main body a has an assembling hole 1 and an insertion hole 2 formed therein.
- the stopper member 7 is inserted into the assembling hole 1 at its own position, and the pin p is inserted into the insertion hole 2.
- the stopper member 7 is provided with an engagement projection 9. Then, the engaging projection 9 is hooked on the concave portion 6 formed in the inserted pin p.
- a spring 8 is incorporated in the bottom of the mounting hole 1, and the elastic force of the spring 8 acts on the lower end of the stopper member 7.
- a retaining member 5 is provided in the opening 1a of the mounting hole 1, and the stopper member 5 prevents the stopper member 7 from falling out of the mounting hole 1. After the stopper member 5 is inserted into the mounting hole 1, the stopper member 5 is fixed to the main body a by caulking or the like.
- the main body a is provided with a ring portion 3 for connecting one end of the necklace.
- the pin p is provided with a ring 4 for connecting the other end of the necklace.
- the stopper member 7 when removing the pin p from the main body a, the stopper member 7 is pressed down against the spring 8. By doing so, the engaging projection 9 of the stopper member 7 comes off the concave portion 6 of the pin p, so that the pin p can be pulled out from the insertion hole 2.
- the stopper member 5 In the conventional example described above, the stopper member 5 must be fixed to the main body a in order to prevent the stopper member 7 from coming off from the mounting hole 1. Therefore, there is a problem that the number of parts is increased by the amount of the retaining portion 5, and the cost of parts and assembling work is increased.
- the retaining member 5 comes off from the main body a when used for a long time. There was also a fear. If the retaining member 5 comes off from the main body a, the stopper member 7 and the spring 8 also come off from the main body a, so that there is a problem that the stopper member 7 and the spring 8 are lost.
- An object of the present invention is to provide an inexpensive fastener in which the stopper member 7 and the spring 8 do not come off even if the retaining member 5 is not provided. Disclosure of the invention
- the present invention has the following features.
- a fastener for connecting a main body and a pin by hooking a claw portion of a stopper member assembled to the main body to a pin which can be freely inserted into the main body.
- the guide member has a guide surface and a support protrusion provided on the guide surface, while the stopper member has a shaft hole provided on one side thereof, a storage recess provided on the other side, and a storage recess provided on the other side.
- a coil spring is mounted around the rod, one end of the coil spring is pressed against a holding portion provided on the stopper member, and the other end is attached to the main body.
- the elastic force in the rotating direction of the coil spring is applied to the stopper member, and With the elastic force in the direction of extension of the spring, the side of the stopper member is pressed against the guide surface of the main body, and the support projection provided on the guide surface is inserted into the shaft hole provided on the stopper member. It is characterized in that it is maintained in a state in which
- the main body has an opening for inserting the stopper member, and has an escape recess formed on the other side surface of the stopper member to open the stopper member.
- a gap is formed by the escape recess between the other side surface of the stopper member and the opening when the stopper member is inserted into the portion.
- FIG. 1 is an overall view of the embodiment.
- FIG. 2 is a cross-sectional view of the embodiment showing a state before the pin P is connected to the main body A.
- FIG. 3 is a cross-sectional view of the embodiment showing a state where the pin P is connected to the main body A.
- FIG. 4 is a cross-sectional view showing one inner surface of the main body A.
- FIG. 5 is a sectional view taken along line VV of FIG.
- FIG. 6 is a cross-sectional view showing a state where the stopper member S is assembled to the main body A.
- FIG. 7 is a cross-sectional view showing the other inner surface of the main body A.
- FIG. 8 is a plan view of the stopper member S as viewed from one side.
- FIG. 9 is a plan view of the stopper member S viewed from the other side.
- FIG. 10 is a plan view of the stopper member S to which the coil spring 20 is assembled.
- FIG. 11 is an explanatory view showing a state before the stopper member S is inserted into the main body A.
- FIG. 12 is an explanatory diagram showing a relationship between the opening 21 and the stopper member S.
- FIG. 13 is a cross-sectional view showing the relationship between the opening 21 and the stopper member S.
- FIG. 14 is an explanatory view showing a state where the stopper member S is being inserted into the main body A.
- FIG. 15 is an explanatory view showing a state where the stopper member S is being inserted into the main body A.
- FIG. 16 is an explanatory view showing a state where the stopper member S is assembled to the main body A.
- FIG. 17 is an overall view of the conventional example.
- FIG. 18 is a cross-sectional view of a conventional example. BEST MODE FOR CARRYING OUT THE INVENTION
- 1 to 16 show an embodiment of the present invention.
- the fastener of this embodiment includes a main body A and a pin P.
- the main body A has a space e formed therein as shown in FIG.
- An insertion hole 10 communicating with the hole is formed. Then, the pin P is inserted into the space e through the insertion hole 10.
- the body A incorporates a stopper member S.
- the assembling structure of the stopper member 3 to the main body A will be described in detail later.
- the stopper member S is inserted into the annular recess 12 formed in the pin P,
- the provided claw part 1 1 is to be hooked.
- the claw portion 11 is hooked on the annular concave portion 12 as described above, the pin P does not come off from the insertion hole 10 and the main body A and the pin P are connected.
- a ring member 13 is fixed to the pin P, and a ring member 14 is fixed to the main body A. Then, one end of the necklace is attached to the ring member 13 provided on the pin P side, and the other end of the neckless is attached to the ring member 14 provided on the main body A side.
- the body A has a guide surface 15 provided therein.
- the guide surface 15 is flat as shown in FIG. 5, and a support protrusion 16 is provided on a part thereof. The function of the support projection 16 will be described later.
- a recess 17 is formed on the inner surface on the opposite side of the main body A facing the guide surface 15. As shown in FIG. 6, this recess 17 is for fitting the other end 20 b side of the coil spring 20, and a guide projection 18 is provided at the bottom of the recess 17. Has formed. As shown in FIG. 7, a plate-like holding portion 19 is formed below the depression 17. Then, as shown in FIG. 6, the other end 20 b of the coil spring 20 fitted in the recess 17 is pressed against the holding portion 19.
- an opening 21 is formed in the main body A as shown in FIG.
- the opening 21 is a hole for incorporating the stopper member S into the space e.
- the hole is also a hole for projecting a part 22 of the stopper member S incorporated in the main body A to the outside.
- a shaft hole 23 is formed in one side surface 30 (see FIG. 6) of the stopper member S as shown in FIG. Then, as shown in FIG. 6, when the stopper member S is incorporated into the main body A, the support projection 16 provided on the guide surface 15 is inserted into the shaft hole 23 of the stopper member S. ing. When the support protrusion 16 enters the shaft hole 23 in this way, the stopper member S rotates around the support protrusion 16.
- a storage recess 24 is formed on the other side 31 of the stopper member S (see FIG. 6), and a rod 25 is erected from the bottom of the storage recess 24. Let me. Then, as shown in FIG. 10, a coil spring 20 is mounted on the outer periphery of the rod 25.
- an escape recess 28 is formed as shown in FIG. The function of the escape portion 28 will be described later.
- a guide plate 29 for holding the position of the inserted pin P is provided in the body A.
- the spiral part of the coil spring 20 is mounted on the rod 25 of the stopper member S. Then, one end 20a of the coil spring 20 is brought into contact with the wall surface 24a of the storage recess 24, while the other end 20b is kept in a free state.
- the wall surface 24 a of the storage recess 24 to which the one end 20 a of the coil spring 20 comes in contact corresponds to the holding portion of the present invention.
- the stopper member S After the coil spring 20 is mounted on the stopper member S, the stopper member S is inserted into the opening 21 of the main body A from the claw portion 11 side as it is. However, as shown in FIG. 12, the width W 1 from one side surface 30 of the stopper member S to the other end 20 b of the coil spring 20 is larger than the width W 2 of the force opening 21. , Then In this state, the stopper member S cannot be inserted into the opening 21. Then, as shown in FIG. 13, the coil spring 20 is contracted in the width direction, and the stopper member S is inserted into the opening 21 in this state.
- the other end 20 b side of the coil spring 20 hits the edge of the opening 21, as shown in FIG.
- the stopper member S is further pushed in from the state where it hits the edge, the other end 20 b side of the coil spring 20 is pushed by the edge of the opening 21, and the coil spring 20 is warped. I do. That is, when the coil spring 20 is allowed to pass through the opening 21, the coil spring 20 is contracted in both the width direction and the radial direction.
- the stopper member S is further pushed in, the other end 20 b of the coil spring 20 passes through the opening 21, and as shown in FIG. 15, the other end of the coil spring 20 is elastically driven. 20b returns to its original state.
- the coil spring 20 which has contracted in the width direction expands, and as shown in FIG. The 20 b side fits into the recess 17.
- the coil spring 20 is prevented from extending to its natural length. That is, the dimensions of each component are set so that the coil spring 20 exerts the elasticity in the width direction when assembled in the main body A. Therefore, the elastic force in the extension direction of the coil spring 20 acts on the stopper member S, and the one side surface 30 of the stopper member 20 is pressed against the guide surface 15 by the elastic force.
- the support projection 16 provided on the guide surface 15 is inserted into the shaft hole 23 provided in the stopper member S.
- the state in which the support protrusion 16 is inserted into the shaft hole 23 is held by the elastic force of the coil spring 20. Therefore, the stopper member S is supported rotatably about the support protrusion 16. As described above, the stopper member S is rotatably supported around the support protrusion 16. As described above, the stopper member S is provided with the rotation of the reduced coil spring 20. Direction elastic force is acting. Therefore, as shown in FIG. 2, the rotation of the stopper member S is regulated in a state where the head 22 is pressed against the opening 21.
- the claw portion 11 is pushed up by the tip of the pin P.
- the stopper member S rotates around the support protrusion 16.
- the stopper member S is provided with the elastic force in the rotational direction by the coil spring 20 as described above, when the annular concave portion 12 reaches the position facing the claw portion 11, The claw part 11 enters the annular concave part 12.
- the pin P and the main body A are connected.
- the elastic force in the rotation direction and the elastic force in the extension direction of the coil spring 20 are applied to the stopper member S. It does not work in the direction coming out of part 21. Therefore, the stopper The stopper member S does not come off from the opening 21 even if a member for restricting the removal of the member S is not specially provided.
- the manufacturing cost can be reduced because the stopper structure of the stopper member S is not required.
- the stopper member S ⁇ coil spring 20 remains in the main body even after long-term use. There is no departure. Therefore, the stopper member S and the coil spring 20 are not lost.
- the stopper member S to which the coil spring 20 is attached is simply inserted through the opening 21, and the stopper member S and the coil spring 20 are attached to the main body A. And can be assembled at once. As a result, the number of work steps can be reduced as compared with the conventional case, and the manufacturing cost can be further reduced.
- the fastener of the necklace has been described.
- the fastener of the present invention can be used for other purposes as long as two articles are connected. Therefore, the fastener of the present invention is not limited to the one used for a necklace.
- the elastic force in the rotation direction and the elastic force in the extension direction of the coil spring are applied to the stopper member, but the elastic force in either direction is the direction in which one stopper member is pushed out of the main body. Not acting on. Therefore, the stopper member does not come off from the main body without specially providing a retaining member. Therefore, the cost for parts and the cost for assembling work can be reduced because the retaining structure is not required.
- the stopper member and the coil spring can be assembled from the opening at one time.
Landscapes
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003234814A AU2003234814A1 (en) | 2003-05-16 | 2003-05-16 | Latch |
PCT/JP2003/006163 WO2004100698A1 (ja) | 2003-05-16 | 2003-05-16 | 留め具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/006163 WO2004100698A1 (ja) | 2003-05-16 | 2003-05-16 | 留め具 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004100698A1 true WO2004100698A1 (ja) | 2004-11-25 |
Family
ID=33446560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/006163 WO2004100698A1 (ja) | 2003-05-16 | 2003-05-16 | 留め具 |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU2003234814A1 (ja) |
WO (1) | WO2004100698A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITTO20080663A1 (it) * | 2008-09-10 | 2010-03-11 | Anteo S R L | Fermaglio di chiusura per prodotti di gioielleria. |
CN110101175A (zh) * | 2019-06-12 | 2019-08-09 | 蔡汉荣 | 一种按压锁扣 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111631489A (zh) * | 2020-06-17 | 2020-09-08 | 利隆科技有限公司 | 一种智能手环防丢失追踪系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63120912U (ja) * | 1987-01-31 | 1988-08-05 | ||
JPH0730730U (ja) * | 1993-11-26 | 1995-06-13 | 雅弘 星野 | 環状装身具の留め金具 |
JPH0889320A (ja) * | 1994-09-26 | 1996-04-09 | Masao Wakaizumi | ネックレス等の止め金具 |
-
2003
- 2003-05-16 AU AU2003234814A patent/AU2003234814A1/en not_active Abandoned
- 2003-05-16 WO PCT/JP2003/006163 patent/WO2004100698A1/ja not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63120912U (ja) * | 1987-01-31 | 1988-08-05 | ||
JPH0730730U (ja) * | 1993-11-26 | 1995-06-13 | 雅弘 星野 | 環状装身具の留め金具 |
JPH0889320A (ja) * | 1994-09-26 | 1996-04-09 | Masao Wakaizumi | ネックレス等の止め金具 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITTO20080663A1 (it) * | 2008-09-10 | 2010-03-11 | Anteo S R L | Fermaglio di chiusura per prodotti di gioielleria. |
CN110101175A (zh) * | 2019-06-12 | 2019-08-09 | 蔡汉荣 | 一种按压锁扣 |
Also Published As
Publication number | Publication date |
---|---|
AU2003234814A1 (en) | 2004-12-03 |
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