EP1525817A1 - Elément de fixation pour bijoux - Google Patents
Elément de fixation pour bijoux Download PDFInfo
- Publication number
- EP1525817A1 EP1525817A1 EP04078505A EP04078505A EP1525817A1 EP 1525817 A1 EP1525817 A1 EP 1525817A1 EP 04078505 A EP04078505 A EP 04078505A EP 04078505 A EP04078505 A EP 04078505A EP 1525817 A1 EP1525817 A1 EP 1525817A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- closing body
- rotational opening
- terminus
- opening
- main body
- 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.)
- Granted
Links
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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
- A44C5/2019—Hooks
- A44C5/2033—Hooks provided with pivoting closure means
- A44C5/2038—Swivels
Definitions
- the present invention relates to types of joint member for use in accessories such as necklaces, bracelets, and watches.
- Fig. 1 shows a prior art example of a joint member J of a necklace.
- This joint member J comprises a linking section 1 being linked to one end of the necklace N and a receiving link section 2 being linked to the other end of the necklace N and linked to the linking section 1.
- the linking section 1 comprises a C-shaped portion 3 and an I-shaped portion 4, these being formed by bending a bar of precious metal, and an engage/disengage portion 5 between the terminus of the I-shaped portion 4 and the terminus of the C-shaped portion 3. This engage/disengage portion 5 is ordinarily held in the closed position.
- the receiving link section 2 is also made out of precious metal and includes a receiving hook portion 6 for being hooked onto the linking section 1.
- the I-shaped portion 4 of the linking section 1 is pressed down as shown in fig. 1 to disengage the engage/disengage portion 5, and after inserting the receiving hook portion 6 of the receiving link section 2 through the engage/disengage portion 5, the engage/disengage portion 5 is closed by the elastic recovery force of the I-shaped portion 4.
- the I-shaped portion 4 is pressed down in the same manner as above to disengage the engage/disengage portion 5.
- the engage/disengage portion 5 is disengaged by elastically deforming the I-shaped portion 4, which is an integrally formed part of the linking section 1, but since the linking section 1 is made of a high grade precious metal, the metal is very soft and does not have adequate elasticity. Therefore, after disengaging the engage/disengage portion 5 by pressing the I-shaped portion 4, this I-shaped portion 4 does not elastically recover completely to its closed position. This partially opened engage/disengage portion 5 prevents proper opening or closing operation. In order to provide adequate elasticity to the linking section 1, it becomes necessary to make the portion out of a low grade precious metal or an alloy of hard metallic material. Thus, there is a problem in that a joint member for use in an accessory cannot be manufactured with a high class material.
- the receiving hook portion 6 may move from the left end, as seen in fig. 1, to the right end to align with the linking section 1, and the right end and left end sides of the necklace N may overlap to become tangled, and therefore, there is a problem of untangling the necklace N in this instance.
- the present invention is provided in consideration of the above mentioned problems.
- the purpose of the present invention is to provide a joint member for use in an accessory that has the necessary elasticity, that is, an adequate spring force for appropriately opening or closing the engage/disengage portion, to provide a joint member made of flexible precious metal, that is, a precious metal of very high grade such as pure gold, and to make it possible to manufacture a joint member of very high class for use in an accessory.
- Another purpose of the present invention is to provide a joint member that will not become tangled by preventing the linking section from inconveniently moving over to the receiving link section when put away or stored with the linking section and the receiving link section being linked.
- the present invention is a joint member for use in an accessory comprising: a linking section for linking to one end of an accessory such as a bracelet or a necklace and a receiving link section being linked to the linking section and linked to the other end of the accessory, wherein the linking section comprises a main body; a hooking portion formed to have approximately a "C" shape cross-sectionally and attached integrally and inwardly to one end of the main body; a rotational opening/closing body pivotally attached onto the main body for opening or closing an engaging/disengaging portion by confronting the front terminus portion of the rotational opening/closing body with the C-shaped hooking portion or separating the front terminus portion of the rotational opening/closing body from the C-shaped hooking portion; a spring for imparting an separating spring force away from the main body on the front terminus of the rotational opening/closing body; and a rotational limiting means for fixing the front terminus of the rotational opening/closing body at the closed position of the engaging/d
- the main body of the linking section and the rotational opening/closing body as described above are each made approximately into a "U" shape, where the opening of "U" is inwardly disposed.
- the rotational limiting means provided on the pivotally attached end side of the rotational opening/closing body, has a stopper surface portion for preventing the rotation of the terminus portion of the rotational opening/closing body in the direction separating the rotational opening/closing body from the main body when the terminus portion of the rotational opening/closing body is at the closed position of the engaging/disengaging portion by being in level with the flat surface portion of the main body.
- the present invention is also a joint member for use in an accessory comprising: a linking section for linking to one end of an accessory such as a bracelet or a necklace and a receiving link section being linked to the linking section and linked to the other end of the accessory, wherein the linking section comprises a main body having two ends; a hooking portion formed to have approximately a "C" shape cross-sectionally and attached integrally and inwardly to one end of the main body; a rotational opening/closing body pivotally attached onto the main body for opening or closing an engaging/disengaging portion by confronting the front terminus portion of the rotational opening/closing body with the C-shaped hooking portion or separating the front terminus portion of the rotational opening/closing body from the C-shaped hooking portion; a first spring for imparting an separating spring force away from the main body on the front terminus of the rotational opening/closing body; a stopper body pivotally attached at the side opposite the side of the C-shaped hooking portion; an engaging step portion for engaging with
- the main body of the linking section and the rotational opening/closing body as described above are each made approximately into a "U" shape, where the opening of "U" is inwardly disposed.
- the present invention preferably further comprises a limiting space portion which is formed by an inner perimeter portion of the C-shaped hooking portion, a wall protrusion portion protruding toward the side of the main body from the front terminus of the rotational opening/closing body, and the front terminus of the main body, formed cross-sectionally into a "U" shape.
- a concave surface portion is formed on the front terminus outer surface of the rotational opening/closing body and a protrusion, provided on the rotational opening/closing body for opening or closing the rotational opening/closing body.
- the outer surface of the rotational opening/closing body, from the front terminus to the rear terminus, is formed into a gentle convex surface.
- Fig. 2 shows the present invention directed to a joint member J1 for use in an accessory and figs. 3 and 4 show longitudinal cross-sectional views and fig. 11 show a lateral cross-sectional view of the joint member.
- This joint member J1 comprises a linking section 11 linked to one end of a necklace N and a receiving link section 12 linked to the other end of the necklace N and linked to the linking section 11.
- the linking section 11 comprises a main body 13; a hooking portion 14 connected to one end of this main body 13 in one continuous body and having approximately a "C" shape from a cross-sectional view; a rotational opening/closing body 16 pivotally attached for rotation to the main body 13 for opening and closing an engaging/disengaging portion 15; a terminus part of the C-shaped hooking portion 14, in coordination with a terminus portion 16a; a helical spring 17 where the force of the spring is in the direction which the rotational opening/closing body 16 separates away from the main body 13, that is in the upward direction in fig.
- the receiving link section 12 has a receiving hook portion 19 being hooked to a part of the C-shaped hooking portion 14 of the linking section 11.
- the main body 13 of the linking section 11 and the rotational opening/closing body 16 are, as shown in fig. 4, shaped roughly in a "U" shape viewed cross-sectionally, each has the open part of the U-shape directed inward for engagement, and at the lower portion of the main body 13 there is a pin 20 pivotally attached.
- the bottom portion of "U” may be somewhat indented upwards, or more precisely, indented upwards to form an upside down "M” shape.
- the spring 17 is wound around the pin 20 and disposed between the main body 13 and the rotational opening/closing body 16 such that the terminus side of the rotational opening/closing body 16 faces upward with respect to the main body 13.
- the rotational opening/closing body 16 is able to rotate stably with respect to the main body 13.
- the rotational limiting means is provided on the pivotally attached terminus side of the rotational opening/closing body 16 and is made of a stopper surface portion 18 for stopping the upward rotation of the rotational opening/closing body 16 beyond the closed position of the engaging/disengaging portion by contacting this stopper surface portion 18 with an upper surface 13a (flat surface part) of the main body 13 when the terminus portion 16a of the rotational opening/closing body 16 is at the closed position of the engaging/disengaging portion, as shown in fig. 3, and hence, it is seen that this rotational limiting means is structurally made very simply.
- the rotational opening/closing body 16 of the linking section 11 has a concave surface portion 21 at the body's outer front terminus surface, and a protrusion portion 22 for use in opening the opening/closing body is integrally provided at the rear terminus of this concave surface portion 21.
- a limiting space portion 23 is provided for limiting the movement of the receiving link section 12 hooked onto a part of the C-shaped hooking portion of the main body 13.
- this limiting space portion 23 is formed by an inner perimeter portion 14a of the C-shaped hooking portion, a protruding wall portion 24 integrally and downwardly provided on the front terminus of the rotational opening/closing body 16, and front terminus slanted surface portions 25 and 25 of both side surfaces 13b and 13b of the main body 13 formed in a "U" shape cross-sectionally.
- an attaching portion 26 is integrally formed on the main body 13 of the linking section 11 for attaching a ring n1 of one end of the necklace N to the main body 13 of the linking section 11 at the rear terminus.
- the receiving link section 12 is made of a simple small oval structure and has an attachment hole 27 provided on its one end for attaching the ring n2 of the other end of the necklace N, and an opening portion 28 of rectangular shape is provided on the other end, and the outer perimeter portion forms the receiving hook portion 19.
- fig. 3 shows the state of the receiving hook portion 19 of the receiving link section 12 being hooked to the C-shaped hooking portion of the linking section 11, and the state of the terminus portion 16a of the rotational opening/closing body 16 being proximal to the terminus of the C-shaped hooking portion 14 to close the engaging/disengaging portion 15.
- the protrusion 22 is pressed downwardly against the spring force of the spring 17 to rotate the terminus side of the rotational opening/closing body 16 and to separate downwardly the terminus portion 16a of the rotational opening/closing body 16 from the terminus of the C-shaped hooking portion 14, the engaging/disengaging portion 15 is opened, and the receiving hook portion 19 of the receiving link section 12 is pulled out from the C-shaped hooking portion 14.
- the terminus portion 16a of the rotational opening/closing body 16 may be pressed down, but operationally, pressing the protrusion 22 would be easier.
- the protrusion 22 may be pushed down as in the unlinking process, but as shown in fig. 4, by pressing the terminus (receiving hook portion 19) of the receiving link section 12 against the concave surface portion 21 of the rotational opening/closing body 16 and sliding the receiving hook portion 19 toward the terminus side of the rotational opening/closing body 16, the terminus side of the rotational opening/closing body 16 moves to open the engaging/disengaging portion 15, and the receiving hook portion 19 of the receiving link section 12 is hooked automatically onto the C-shaped hooking portion 14 to make the hooking operation simple and easy.
- Fig. 5 shows another joint member (joint member J2) of the present invention for use in an accessory
- figs. 6 and 7 are the longitudinal cross-sectional drawings
- fig. 12 is the lateral cross-sectional drawing.
- the difference of this joint member J2 from the joint member J1, as shown in figs. 2 to 4, is the gentle convex surface formed from the front terminus 16a to the rear terminus at the outer surface 29 of the rotational opening/closing body 16. Since the other components are essentially the same between the two joint members, explanation is given with the same reference numbers in this instance.
- the joint member J2 since the joint member J2, as can be seen from figs. 5 to 7, has the gentle convex surface formed from the front terminus portion 16a to the rear terminus at the outer surface 29 of the rotational opening/closing body 16, when the opening/closing operation of the engaging/disengaging portion 15 is executed by pressing the rotational opening/closing body 16, there is an advantageous merit in that the rotational opening/closing body 16 can be pressed easily, and further, since there is no unevenness but only a gentle convex slope at the outer surface of the rotational opening/closing body 16, as shown in the figure, the appearance of the joint member J2 is improved.
- Fig. 8 shows still another joint member (joint member J3) of the present invention for use in an accessory
- figs. 9 and 10 are the longitudinal cross-sectional drawings
- fig. 13 is the lateral cross-sectional drawing.
- the linking section 11 of this joint member J3 comprises a main body 13, a C-shaped hooking portion integrally connected to one terminus of this main body 13, a rotational opening/closing body 16 pivotally attached for rotation to the middle of the length of the main body 13, a spring 17 for imparting upward force to the terminus of this rotational opening/closing body 16, and a rotational limiting means for fixing the engaging/disengaging portion at its closed position and limiting the upward rotation of the terminus portion 16a of the rotational opening/closing body 16 beyond the closed position of the engaging/disengaging portion, as shown in fig. 3.
- this rotational limiting means of the joint member J3 is different from those of the joint member J1 and joint member J2.
- the rotational limiting means of the joint member J3 comprises, as shown in fig. 9, a stopper body 30 pinching the rotational opening/closing body 16 with respect to the main body 13 and being pivotally attached to a terminus opposite to the C-shaped hooking portion 14, an engaging step portion 31 provided on this stopper body 30 for engaging with the rear terminus portion 16b of the rotational opening/closing body 16 when the engaging/disengaging portion in conjunction with the front terminus 16a of the rotational opening/closing body 16 is in the closed position, and a helical spring 32 for imparting upward spring force and fixing the position of the front terminus portion 16a of the rotational opening/closing body 16 by engaging the engaging step portion 31 of the stopper body 30 with the rear terminus portion 16b of the rotational opening/closing body 16.
- the above stopper body 30, as shown in (A) of fig. 13, is formed into a "U” shape, snapped into place at the rear terminus side of the main body 13, which also has a "U” shape, and pivotally attached by a pin 33. Then, the spring 32 wound around the pin 33 is disposed between the stopper body 30 and the main body 13, and, as shown in fig. 9, the engaging step portion 31 of the stopper body 30 is engaged with the rear terminus portion 16b of the rotational opening/closing body 16 and the front terminus portion 16a of the rotational opening/closing body 16 is held in the closed position of the engaging/disengaging portion.
- the joint member J3 with the rotational limiting means as described above by releasing the engagement between the rear terminus portion 16b of the rotational opening/closing body 16 and the engaging step portion 31 of the stopper body 30, the opened position of the engaging/disengaging portion can be fixed for the rotational opening/closing body 16, as shown in fig. 10, and therefore, the engaging/disengaging operation of the receiving hook portion 19 with respect to the C-shaped hooking portion 14 is facilitated.
- the linking section 11 comprises the main body 13, the C-shaped hooking portion integrally connected to one terminus of this main body 13, the rotational opening/closing body 16 pivotally attached for opening or closing the engaging/disengaging portion 15, a spring 17 for imparting upward force to separate from the main body the front terminus portion 16a of the rotational opening/closing body 16, and a rotational limiting means for fixing the engaging/disengaging portion at its closed position and limiting the upward rotation of the terminus portion 16a of the rotational opening/closing body 16 away from the main body beyond the closed position of the engaging/disengaging portion, and since the spring 17 is a separate structure from the main body 13, the hooking portion 14, the rotational opening/closing body 16, and the rotational limiting means, it becomes possible to make almost all of the structures except for the spring 17 out of a precious metal of very high purity.
- the spring 17 most often used is a helical spring but since this is very small and because it is disposed between the main body 13 and the rotational opening/closing body 16, it cannot be seen from the outside, and hence, the appearance is not impaired.
- the situation is the same for the rotational limiting means of the joint member J3 in that the stopper body 30 and the engaging step portion 31 can also be made out of a flexible precious metal such as pure gold.
- the limiting space portion 23 for limiting the movement of the receiving link section 12 being hooked onto the C-shaped hooking portion of the main body 13 is provided on the front terminus side of the linking section 11, and this limiting space portion 23 comprises an inner perimeter portion 14a of the C-shaped hooking portion 14, a wall protrusion 24 protruding toward the main body side from the terminus of the rotational opening/closing body 16, and a front terminus portion 25 of the main body 13 formed in a "U" shape viewed cross-sectionally, and therefore, as shown on figs. 3, 6, and 9, the receiving hook portion 19 engaged with the C-shaped hooking portion 14 at the closed position of the engaging/disengaging portion 15 is fixed within the limiting space portion 23 of the front terminus side of the linking section.
- the necklace N is put away or stored with the receiving link section 12 and the linking section 11 linked together, the ends of the necklace N do not overlap and become tangled.
- a linking section linked to a receiving link section comprises a body, a C-shaped hooking portion integrally provided on one end of the main body, a rotational opening/closing body pivotally attached to the body, a spring for imparting spring force in the direction separating the front terminus of the rotational opening/closing body from the main body, a rotational limiting means for holding the front terminus of the rotational opening/closing body at the closed position of an engaging/disengaging portion and for limiting the rotation in the direction separating the front terminus of the rotational opening/closing body from the main body, and since the spring is a separate part from the main body, the hooking portion, the rotational opening/closing body, and the rotational limiting means, it is possible to make the other components besides the spring out of a flexible precious metal such as pure gold, and therefore, a very high class joint member for use in an accessory can be manufactured.
- a helical spring can be used for the spring, but since this spring is disposed between the main body and the rotational opening/closing body and is practically not visible, the appearance is not impaired. Further, since the rotational opening/closing body of the linking section is held not to rotate in the direction separating from the main body beyond the closed position of the engaging/disengaging portion, the hooking operation of the receiving hook portion to the C-shaped hooking portion of the linking section is facilitated, and there is no need to be concerned about the receiving hook portion coming off from the C-shaped hooking portion once it is hooked.
- the rotational opening/closing body when the main body of the linking section and the rotational opening/closing body are each made into a "U" shape cross-sectionally and are disposed inwardly, the rotational opening/closing body is securely attached with respect to the main body and can be stably opened or closed.
- the rotational opening/closing body by releasing the engaging step portion of the stopper body from the rear terminus portion of the rotational opening/closing body, the rotational opening/closing body can be held at the opened position of the engaging/disengaging body, and therefore, hooking the receiving hook portion onto the C-shaped hooking portion is facilitated when linking the receiving link section to the linking section.
- the receiving hook portion engaged with the C-shaped hooking portion at the closed position of the engaging/disengaging portion is held within the limiting space portion of the front terminus side of the lining section, and therefore, when the accessory is stored with the receiving link section linked with the linking section, the ends of the accessory are prevented from overlapping and becoming tangled.
- a concave surface portion is formed on the front terminus outer surface of the rotational opening/closing body and a protrusion for opening the rotational opening/closing body is provided on the rear terminus of the concave surface portion, by pressing on the protrusion to open the rotational opening/closing body, the opening process of the rotational opening/closing body is facilitated.
- the front terminus side of the rotational opening/closing body is downwardly rotated to open the engaging/disengaging portion and the receiving hook portion is automatically hooked to the C-shaped hooking portion to facilitate the hooking process.
Landscapes
- Adornments (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8287996 | 1996-04-04 | ||
JP08287996A JP3829158B2 (ja) | 1996-04-04 | 1996-04-04 | 装身具用ジョイント |
EP96306785A EP0799586B1 (fr) | 1996-04-04 | 1996-09-18 | Elément de fixation pour bijoux |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96306785A Division EP0799586B1 (fr) | 1996-04-04 | 1996-09-18 | Elément de fixation pour bijoux |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1525817A1 true EP1525817A1 (fr) | 2005-04-27 |
EP1525817B1 EP1525817B1 (fr) | 2007-02-07 |
Family
ID=34401494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04078505A Expired - Lifetime EP1525817B1 (fr) | 1996-04-04 | 1996-09-18 | Elément de fixation pour bijoux |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1525817B1 (fr) |
CN (1) | CN1195433C (fr) |
DE (2) | DE69634531T2 (fr) |
HK (2) | HK1001953A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2630887A1 (fr) * | 2012-02-23 | 2013-08-28 | CK Montres & Bijoux Co., S.A. | Montre-bracelet munie d'un fermoir |
CN103498861A (zh) * | 2013-09-30 | 2014-01-08 | 西安达刚路面机械股份有限公司 | 一种挂钩 |
TWI670424B (zh) * | 2018-04-03 | 2019-09-01 | 鈞成金屬股份有限公司 | 鉤具結構改良 |
CN111263599A (zh) * | 2018-10-03 | 2020-06-09 | 株式会社歌思福 | 饰物用紧固件 |
US11297908B2 (en) | 2018-10-03 | 2022-04-12 | Crossfor Co., Ltd. | Clasp member for accessory, clasp for accessory, and accessory |
CN111642868A (zh) * | 2020-06-29 | 2020-09-11 | 维沃移动通信有限公司 | 一种穿戴设备 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US172355A (en) * | 1876-01-18 | Improvement in snap-hooks | ||
US4679280A (en) * | 1983-11-21 | 1987-07-14 | Roland Krahenbuhl | Fasteners for chains, necklaces, bangles, and similar pieces of jewelry |
US5117539A (en) * | 1991-09-03 | 1992-06-02 | Shrader James P | Clasp mechanism |
-
1996
- 1996-09-18 EP EP04078505A patent/EP1525817B1/fr not_active Expired - Lifetime
- 1996-09-18 DE DE69634531T patent/DE69634531T2/de not_active Expired - Fee Related
- 1996-09-18 DE DE69636894T patent/DE69636894T2/de not_active Expired - Fee Related
- 1996-10-24 CN CNB961220325A patent/CN1195433C/zh not_active Expired - Fee Related
-
1998
- 1998-02-11 HK HK98101051A patent/HK1001953A1/xx not_active IP Right Cessation
-
2005
- 2005-10-26 HK HK05109506A patent/HK1076690A1/xx not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US172355A (en) * | 1876-01-18 | Improvement in snap-hooks | ||
US4679280A (en) * | 1983-11-21 | 1987-07-14 | Roland Krahenbuhl | Fasteners for chains, necklaces, bangles, and similar pieces of jewelry |
US5117539A (en) * | 1991-09-03 | 1992-06-02 | Shrader James P | Clasp mechanism |
Also Published As
Publication number | Publication date |
---|---|
EP1525817B1 (fr) | 2007-02-07 |
DE69636894T2 (de) | 2007-10-18 |
HK1076690A1 (en) | 2006-01-27 |
DE69634531D1 (de) | 2005-05-04 |
DE69636894D1 (de) | 2007-03-22 |
HK1001953A1 (en) | 1998-07-24 |
DE69634531T2 (de) | 2006-03-30 |
CN1161185A (zh) | 1997-10-08 |
CN1195433C (zh) | 2005-04-06 |
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