US20060096070A1 - Magnetic clasp for personal ornaments - Google Patents
Magnetic clasp for personal ornaments Download PDFInfo
- Publication number
- US20060096070A1 US20060096070A1 US10/984,290 US98429004A US2006096070A1 US 20060096070 A1 US20060096070 A1 US 20060096070A1 US 98429004 A US98429004 A US 98429004A US 2006096070 A1 US2006096070 A1 US 2006096070A1
- Authority
- US
- United States
- Prior art keywords
- top surface
- connecting means
- magnetic
- magnetic clasp
- fitting
- 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.)
- Abandoned
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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
- A44C5/2076—Fasteners for straps, chains or the like for open straps, chains or the like with the two ends of the strap or chain abutting each other or sliding in the main plane or a plane parallel to the main plane of these two ends
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0231—Magnetic circuits with PM for power or force generation
- H01F7/0252—PM holding devices
- H01F7/0263—Closures, bags, bands, engagement devices with male and female parts
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44D—INDEXING SCHEME RELATING TO BUTTONS, PINS, BUCKLES OR SLIDE FASTENERS, AND TO JEWELLERY, BRACELETS OR OTHER PERSONAL ADORNMENTS
- A44D2203/00—Fastening by use of magnets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/32—Buckles, buttons, clasps, etc. having magnetic fastener
Definitions
- the present invention relates to a magnetic clasp or a magnetic connecting device for jewelry, jewelry accessories or personal ornaments such as necklaces, bracelets, or the like and, in particular, to a magnetic clasp to be used to detachably fit or connect the ends of the above-described jewelry or jewelry accessory together.
- connecting devices that connect the ends of ornamental accessories such as a necklace, a pendant, or the like which is to be put to actual use in the form of an endless chain
- a wide and highly used variety of connecting devices uses a construction in which a hook is engaged into a ring.
- Another variety is one in which a fitting device provided on both ends is engaged by means of a spring force.
- the handling for connection or engagement of split ends thereof should preferably be simple seeing that such connecting or engaging operation must be performed at the rear portion of the wearer's neck with his or her hands wound there around.
- the fitting device made up of a hook and a ring is relatively simple in the connecting and disconnecting operation, but has a disadvantage in that the engagement is likely to be released or come out of engagement without the wearer's knowledge. Many pieces of jewelry or jewelry accessories have been lost due to this defect.
- the fitting device to be connected by means of a spring force is relatively simple and handy, but it is accompanied with the trouble of having to release the spring force at the time of disengagement thereof. The spring release is often a tricky procedure which causes the wearer a loss of time and patience.
- the present invention has an objective of providing a connecting device for jewelry or jewelry accessories that easily engages and disengages at the rear of the wearer's neck and is not likely to easily come out of engagement during wearing.
- a fitting device for a magnetic clasp for securing a piece of jewelry comprising: first connecting means including a first cylindrical magnet having a first top surface, said first cylindrical magnet having a hollow cylindrical section located in the center of said first top surface, and said first top surface is split into at least two opposite magnetic poles; second connecting means including a second cylindrical magnet having a second top surface, said second cylindrical magnet having a cylindrical protruding member located in the center of said second top surface, said second top surface is split into at least two opposite magnetic poles, and wherein said protruding member of said second connecting means fits into said hollow section of said first connecting means.
- the invention further comprises a locking means for connecting said first and second connecting means, wherein said first and second connecting means are brought together allowing opposite magnetic poles to face each other, thereby creating a magnetic force which locks the first and second connecting means together.
- the invention further comprises unlocking means for disconnecting said first and second connecting means, wherein said first and second connecting means are rotatably turned allowing like magnetic poles to face each other, thereby creating a magnetic force which forces the first and second connecting means apart.
- the top surfaces on each end of the jewelry to be fitted together are aligned so that the protruding section of the second connecting means aligns with the hollow section of the first connecting means. Once these sections are aligned the magnets will naturally lock the magnetic clasp in place.
- the magnet pieces on the magnetized surfaces are arranged such that, at the time of engagement of the connecting members, the opposite poles of the top surfaces face each other. Therefore, when both connecting members are mounted together in this condition, the magnet pieces on both connecting members attract to each other causing the opposite poles of the magnets to face each other. As a consequence, the mounting operation becomes easy.
- the magnet pieces when the projection is rotated 180°, the magnet pieces will be in a position in which the same magnetic poles face each other. It follows that the connecting members are urged against each other through the repelling forces of the magnet pieces. The connecting devices will then disengage. Since the connecting members are connected together through these engaging movements, an external force, if any, to work on the connecting members mainly operates to separate the connecting members apart to release their engagement.
- the fitting device of the present invention can be used without failure by a simple operation. Namely, at the time of engagement, the connecting members may connected by aligning the protruding member with the hollow section and, at the time of disengagement, the connecting members may be rotated 180° relative to each other allowing the protruding member to be pulled out from the hollow section.
- FIG. 1 is a perspective view of a necklace as an example in which the fitting device of the present invention is used.
- FIG. 2 is a perspective view showing the fitting ends of connecting members.
- FIGS. 3 ( a ) and 3 ( b ) are views showing the preferred magnetic arrangement for the fitting ends of the connecting members.
- FIG. 4 show a modified embodiment of the fitting end portions of the connecting members.
- FIG. 10 is showing the connecting members fitted with swivel portions.
- Attaching the ends of a necklace together can be a difficult task for most.
- the difficulty increases for the disabled, the young, the elderly or anyone that has diminished dexterity.
- the present invention overcomes these disadvantages by allowing a user to attach the two ends of a necklace together with relative ease.
- a user only has to bring the two ends of the necklace within a certain proximity with respect to each other, then using a protruding portion on one end of the necklace, align the ends together and let nature take care of the rest. That is, once the ends are aligned, a magnetic force that is placed on both ends of the necklace will attract the two ends of the chain together and securely lock the necklace in place.
- FIG. 1 denotes an ornamental accessory, such as, a bracelet, a necklace or the like, utilizing a magnetic clasp.
- the magnetic clasp as shown, consists of two connecting members 1 , 2 that are mounted on the ends of the ornamental accessory. These connecting members or fitting devices 1 , 2 are fitted or engaged together through the use of magnets 3 , 4 . That is, the fitting ends 3 , 4 of the connecting members 1 , 2 are magnets. The arrangements of these magnets are discussed below.
- the fitting or connecting ends 3 , 4 of the connecting members 1 , 2 both being formed into the shape of cylinders allows the connecting ends 3 , 4 to be fitted or engaged together in a rotatable manner.
- the connecting members 1 , 2 when placed opposite each other lock into place and form a large rotatable cylinder.
- the fitting ends 3 , 4 are cylindrical in shapes but may be arbitrarily made into squares, polygons or the like, as long as the fitting ends 3 , 4 can be placed in a rotatable manner relative to each other.
- FIG. 2 illustrates in more detail the fitting ends 3 , 4 .
- the fitting ends 3 , 4 shall be made into cylindrical form. This allows for their rotation relative to each other.
- a hollow section 10 placed on one cylindrical fitting end 3 is a hollow section 10 and on the other fitting end 4 is a protruding member 11 .
- the hollow section 10 is formed such that the protruding member 11 will fit securely into the hollow section 10 .
- This arrangement aligns the connecting devices 1 , 2 perfectly together before engagement of the locking mechanism. Once the connecting devices 1 , 2 are properly aligned the magnetic properties of the fitting ends 3 , 4 will naturally attract each fitting end 3 , 4 to each other allowing the connecting devices 1 , 2 to lock into place.
- FIGS. 3 ( a ) and 3 ( b ) display the placement of the magnetic properties on the fitting ends 31 , 32 .
- the magnets are arranged so that each fitting end has at least two magnetic poles.
- Fitting end 31 has magnetic poles + 33 and ⁇ 34 while fitting end 32 has magnetic poles + 35 and ⁇ 36 .
- These magnetic poles 33 - 36 are set in the peripheral direction.
- each fitting end consist of a set of + poles and ⁇ poles.
- the amount of rotation about the center requires a rotational length equivalent to 180°. This provides sufficient repelling forces due to opposing magnetic poles at the time of engagement ensuring a secure locking of the connecting members.
- FIG. 2 when a pair of connecting members 1 , 2 are fitted together, magnetically opposite poles 33 and 35 , 34 and 36 of magnet pieces are caused to face each other such that their attracting forces are advantageously utilized to facilitate the engagement.
- the clasp is automatically brought into engagement due to the magnetic forces of the opposite magnetic poles.
- the engagement of the connecting members is easily made simply by thrusting the fitting ends 3 , 4 together and inserting the protruding member 11 into the hollow section 10 . Because the fitting ends are in a cylindrical shape the rotating operations of the magnetic clasp are simple.
- the magnetic clasp is easily disengaged by repelling forces of the magnets. That is when disengaging the two fitting ends 3 , 4 the connecting members are turned 180° aligning the like poles. Specifically, the like poles 33 and 36 will be facing each other and like poles 34 and 35 will face each other. This aligning of like poles will separate the fitting ends 31 and 32 .
- the fitting ends are caused to be connected or fixed together by means of the operating forces of the magnet to magnetically repel or separate them apart. Therefore, there is no possibility that the engagement is released by an external force while the ornamental accessory is in use.
- This invention has an advantage that a safe use of the accessory can be secured and that a simple and cheap construction thereof becomes possible.
- FIG. 2 shows that the fitting ends 3 , 4 are flat but this is not always the case.
- FIG. 4 shows another embodiment wherein the fitting ends 61 and 62 are concave 61 and convex 62 .
- This modification allows protruding member 63 to easily slide in the hollow portion 64 . Since the hollow section 64 is located on the concave surface 61 when a wearer tries to engage the connecting devices the protruding member 63 will press against the concave surface 61 . This force will utilize the curve of the concave surface 61 and will guide the protruding member 63 into the hollow portion 64 .
- FIG. 5 shows a locked magnetic clasp 100 with each connecting device 103 , 104 having at a swivel portion 101 , 102 attached to its side.
- the swivel portion allows the chain to spin without getting tangled.
- the advantage of placing the swivel portion on the side is that it allows a user to easily hold the connecting devices and the swivel portion at the same time. This gives a user better control when aligning the connecting members 103 , 104 together.
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Adornments (AREA)
Abstract
A magnetic clasp for securing a piece of jewelry that includes a first connecting device having a first cylindrical magnet with a top surface. The first cylindrical magnet has a hollow cylindrical section located at the center of the first top surface. Additionally, a second connecting device has a second cylindrical magnet with a second top surface. The second cylindrical magnet has a cylindrical protruding member located at the center of the second top surface. The protruding section of the second connecting device fits into the hollow section of the first connecting device. The magnetic clasp locks when the first and second connecting devices are brought together allowing opposite magnetic poles to face each other. To unlock the magnetic clasp the first and second connecting devices are rotatably turned allowing like poles to face each other.
Description
- The present invention relates to a magnetic clasp or a magnetic connecting device for jewelry, jewelry accessories or personal ornaments such as necklaces, bracelets, or the like and, in particular, to a magnetic clasp to be used to detachably fit or connect the ends of the above-described jewelry or jewelry accessory together.
- As for connecting devices that connect the ends of ornamental accessories such as a necklace, a pendant, or the like which is to be put to actual use in the form of an endless chain, there have been disclosed many ideas. A wide and highly used variety of connecting devices uses a construction in which a hook is engaged into a ring. Another variety is one in which a fitting device provided on both ends is engaged by means of a spring force. In wearing the above-described ornamental accessories, the handling for connection or engagement of split ends thereof should preferably be simple seeing that such connecting or engaging operation must be performed at the rear portion of the wearer's neck with his or her hands wound there around.
- The fitting device made up of a hook and a ring is relatively simple in the connecting and disconnecting operation, but has a disadvantage in that the engagement is likely to be released or come out of engagement without the wearer's knowledge. Many pieces of jewelry or jewelry accessories have been lost due to this defect. The fitting device to be connected by means of a spring force, on the other hand, is relatively simple and handy, but it is accompanied with the trouble of having to release the spring force at the time of disengagement thereof. The spring release is often a tricky procedure which causes the wearer a loss of time and patience.
- In view of the foregoing disadvantages, the present invention has an objective of providing a connecting device for jewelry or jewelry accessories that easily engages and disengages at the rear of the wearer's neck and is not likely to easily come out of engagement during wearing.
- According to the present invention, the foregoing and other objects are attained by a fitting device for a magnetic clasp for securing a piece of jewelry, comprising: first connecting means including a first cylindrical magnet having a first top surface, said first cylindrical magnet having a hollow cylindrical section located in the center of said first top surface, and said first top surface is split into at least two opposite magnetic poles; second connecting means including a second cylindrical magnet having a second top surface, said second cylindrical magnet having a cylindrical protruding member located in the center of said second top surface, said second top surface is split into at least two opposite magnetic poles, and wherein said protruding member of said second connecting means fits into said hollow section of said first connecting means.
- The invention further comprises a locking means for connecting said first and second connecting means, wherein said first and second connecting means are brought together allowing opposite magnetic poles to face each other, thereby creating a magnetic force which locks the first and second connecting means together.
- The invention further comprises unlocking means for disconnecting said first and second connecting means, wherein said first and second connecting means are rotatably turned allowing like magnetic poles to face each other, thereby creating a magnetic force which forces the first and second connecting means apart.
- According to the above-described fitting device, the top surfaces on each end of the jewelry to be fitted together are aligned so that the protruding section of the second connecting means aligns with the hollow section of the first connecting means. Once these sections are aligned the magnets will naturally lock the magnetic clasp in place. The magnet pieces on the magnetized surfaces are arranged such that, at the time of engagement of the connecting members, the opposite poles of the top surfaces face each other. Therefore, when both connecting members are mounted together in this condition, the magnet pieces on both connecting members attract to each other causing the opposite poles of the magnets to face each other. As a consequence, the mounting operation becomes easy.
- In one preferred embodiment, when the projection is rotated 180°, the magnet pieces will be in a position in which the same magnetic poles face each other. It follows that the connecting members are urged against each other through the repelling forces of the magnet pieces. The connecting devices will then disengage. Since the connecting members are connected together through these engaging movements, an external force, if any, to work on the connecting members mainly operates to separate the connecting members apart to release their engagement.
- It follows that the fitting device of the present invention can be used without failure by a simple operation. Namely, at the time of engagement, the connecting members may connected by aligning the protruding member with the hollow section and, at the time of disengagement, the connecting members may be rotated 180° relative to each other allowing the protruding member to be pulled out from the hollow section.
- The above and other objects and the attendant advantages will become readily apparent by reference to the following detailed description when considered in conjunction with the accompanying drawings wherein:
-
FIG. 1 is a perspective view of a necklace as an example in which the fitting device of the present invention is used. -
FIG. 2 is a perspective view showing the fitting ends of connecting members. - FIGS. 3(a) and 3(b) are views showing the preferred magnetic arrangement for the fitting ends of the connecting members.
-
FIG. 4 show a modified embodiment of the fitting end portions of the connecting members. -
FIG. 10 is showing the connecting members fitted with swivel portions. - Attaching the ends of a necklace together can be a difficult task for most. The difficulty increases for the disabled, the young, the elderly or anyone that has diminished dexterity. The present invention overcomes these disadvantages by allowing a user to attach the two ends of a necklace together with relative ease.
- A user only has to bring the two ends of the necklace within a certain proximity with respect to each other, then using a protruding portion on one end of the necklace, align the ends together and let nature take care of the rest. That is, once the ends are aligned, a magnetic force that is placed on both ends of the necklace will attract the two ends of the chain together and securely lock the necklace in place. A detailed explanation is described below.
-
FIG. 1 denotes an ornamental accessory, such as, a bracelet, a necklace or the like, utilizing a magnetic clasp. The magnetic clasp, as shown, consists of two connectingmembers fitting devices magnets members - Specifically, the fitting or connecting
ends members ends members fitting ends fitting ends -
FIG. 2 illustrates in more detail thefitting ends fitting ends cylindrical fitting end 3 is ahollow section 10 and on the otherfitting end 4 is a protruding member 11. Thehollow section 10 is formed such that the protruding member 11 will fit securely into thehollow section 10. This arrangement aligns the connectingdevices devices fitting ends fitting end devices - FIGS. 3(a) and 3(b) display the placement of the magnetic properties on the
fitting ends end 31 has magnetic poles +33 and − 34 while fittingend 32 has magnetic poles +35 and −36. These magnetic poles 33-36 are set in the peripheral direction. - In the preferred embodiment, shown in FIGS. 3(a) and 3(b) the magnetic properties of each fitting end consist of a set of + poles and − poles. The amount of rotation about the center requires a rotational length equivalent to 180°. This provides sufficient repelling forces due to opposing magnetic poles at the time of engagement ensuring a secure locking of the connecting members.
- According to the present invention as shown in
FIG. 2 , when a pair of connectingmembers opposite poles member 2 has been thrusted or engaged into the other connecting member, the clasp is automatically brought into engagement due to the magnetic forces of the opposite magnetic poles. The engagement of the connecting members is easily made simply by thrusting the fitting ends 3, 4 together and inserting the protruding member 11 into thehollow section 10. Because the fitting ends are in a cylindrical shape the rotating operations of the magnetic clasp are simple. - The magnetic clasp is easily disengaged by repelling forces of the magnets. That is when disengaging the two fitting ends 3, 4 the connecting members are turned 180° aligning the like poles. Specifically, the
like poles poles - In this invention, the fitting ends are caused to be connected or fixed together by means of the operating forces of the magnet to magnetically repel or separate them apart. Therefore, there is no possibility that the engagement is released by an external force while the ornamental accessory is in use. This invention has an advantage that a safe use of the accessory can be secured and that a simple and cheap construction thereof becomes possible.
- The embodiment of
FIG. 2 shows that the fitting ends 3, 4 are flat but this is not always the case. FIG. 4 shows another embodiment wherein the fitting ends 61 and 62 are concave 61 and convex 62. This modification allows protrudingmember 63 to easily slide in thehollow portion 64. Since thehollow section 64 is located on theconcave surface 61 when a wearer tries to engage the connecting devices the protrudingmember 63 will press against theconcave surface 61. This force will utilize the curve of theconcave surface 61 and will guide the protrudingmember 63 into thehollow portion 64. -
FIG. 5 shows a lockedmagnetic clasp 100 with each connectingdevice 103, 104 having at aswivel portion - The advantage of placing the swivel portion on the side is that it allows a user to easily hold the connecting devices and the swivel portion at the same time. This gives a user better control when aligning the connecting
members 103, 104 together. - It is readily apparent that the above-described fitting device meets all of the objects mentioned above and has the advantage of wide commercial utility. It should be understood that the specific form of the invention hereinabove described is intended to be representative only, as certain modifications within the scope of these teaching will be apparent to those skilled in the art.
- Accordingly, reference should be made to the following claims in determining the full scope of the invention.
Claims (6)
1. A magnetic clasp for securing a piece of jewelry, comprising:
first connecting means including a first magnet having a first top surface, said first magnet having a hollow section located in the center of said first top surface, and said first top surface being divided into at least two opposite magnetic poles; and
second connecting means including a second magnet having a second top surface, said second magnet having a protruding member located in the center of said second top surface, said second top surface being divided into at least two opposite magnetic poles, and wherein said protruding member of said second connecting means fits into said hollow section of said first connecting means.
2. The magnetic clasp as claimed in claim 1 , further comprising:
locking means for connecting said first and second connecting means together, wherein said protruding member is aligned with said hollow section allowing the opposite magnetic poles of the first and second top surfaces to face each other, thereby locking the first and second connecting means together.
3. The magnetic clasp as claimed in claim 2 , further comprising:
unlocking means for disconnecting said first and second connecting means, wherein said first and second connecting means are rotatably turned allowing like magnetic poles on the first and second top surfaces to face each other, thereby forcing the first and second connecting means away from each other.
4. The magnetic clasp as claimed in claim 1 wherein said first top surface and said second top surface are flat.
5. The magnetic clasp as claimed in claim 1 wherein the first top surface is concave and the second top surface is convex.
6. The magnetic clasp as claimed in claim 1 , further comprising:
swivel means for allowing said first connecting means and said second connecting means to spin.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/984,290 US20060096070A1 (en) | 2004-11-09 | 2004-11-09 | Magnetic clasp for personal ornaments |
PCT/US2005/038124 WO2006052428A2 (en) | 2004-11-09 | 2005-10-20 | Magnetic clasp for personal ornaments |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/984,290 US20060096070A1 (en) | 2004-11-09 | 2004-11-09 | Magnetic clasp for personal ornaments |
Publications (1)
Publication Number | Publication Date |
---|---|
US20060096070A1 true US20060096070A1 (en) | 2006-05-11 |
Family
ID=36314793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/984,290 Abandoned US20060096070A1 (en) | 2004-11-09 | 2004-11-09 | Magnetic clasp for personal ornaments |
Country Status (2)
Country | Link |
---|---|
US (1) | US20060096070A1 (en) |
WO (1) | WO2006052428A2 (en) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070028429A1 (en) * | 2005-08-04 | 2007-02-08 | Mitsugi Ishida | Magnetic clasp for purse |
US20080164267A1 (en) * | 2007-01-09 | 2008-07-10 | Alissa Huber | Apparatuses, systems and methods for holding portable devices or instruments |
US20100220841A1 (en) * | 2009-02-18 | 2010-09-02 | Oticon A/S | Neckloop for teleloop hearing aid system |
US20120086530A1 (en) * | 2010-10-12 | 2012-04-12 | Donald Pateman Rathbun | Multipole magnet for holding items to clothing |
US8206459B1 (en) * | 2009-03-18 | 2012-06-26 | Rehabilitation Institute Of Chicago | Prosthetic-to-liner attachment mechanism |
US20130000084A1 (en) * | 2011-06-29 | 2013-01-03 | Nassar Xavier Abou | Self-actuating magnetic locking system |
US8752252B2 (en) | 2010-06-01 | 2014-06-17 | Mitsugi Ishida | Magnetic jewelry clasp |
US9125460B2 (en) | 2013-08-12 | 2015-09-08 | Timex Group Usa, Inc. | Wristworn device with a releasable locking arrangement |
US9141086B1 (en) * | 2014-08-11 | 2015-09-22 | Apple Inc. | Magnetic actuated attachment mechanisms for wearable devices |
US9717293B2 (en) | 2015-06-11 | 2017-08-01 | Michelle P. LIM | Magnetic fastener for a garment |
US9744056B2 (en) | 2014-08-06 | 2017-08-29 | Rehabilitation Institute Of Chicago | Magnetic electrical connector for assistive devices |
US20180368541A1 (en) * | 2015-10-12 | 2018-12-27 | Deborah Burr | Interchangeable Jewelry Components |
CN111520688A (en) * | 2019-02-02 | 2020-08-11 | 松下知识产权经营株式会社 | Lamp fixing device |
US10795185B1 (en) * | 2019-06-13 | 2020-10-06 | NextVPU (Shanghai) Co., Ltd. | Connector, assistive device and wearable device |
CN112610570A (en) * | 2020-11-30 | 2021-04-06 | 中国汽车工程研究院股份有限公司 | Mechanical magnetic type quick-release structure of material friction abnormal sound test bed |
US20220265004A1 (en) * | 2018-09-19 | 2022-08-25 | Fidlock Gmbh | Closure Device with Closure Parts Which Can Be Placed Against Each Other |
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2005
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US5050276A (en) * | 1990-06-13 | 1991-09-24 | Pemberton J C | Magnetic necklace clasp |
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US5572887A (en) * | 1995-06-09 | 1996-11-12 | Ultimate Trading Corporation | Magnetic jewelry chain closure |
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US5722126A (en) * | 1996-05-22 | 1998-03-03 | Romag Fasteners Inc. | Magnetic snap fasteners |
US5933926A (en) * | 1996-05-22 | 1999-08-10 | Romag Fasteners Inc | Magnetic snap fasteners |
US5722260A (en) * | 1996-12-10 | 1998-03-03 | Mangano; Joy | Reversible jewelry clasp for necklaces and/or bracelets and interchangeable jewelry assembly employing same |
US6282760B1 (en) * | 1997-03-26 | 2001-09-04 | Mary Kay Mars | Magnetic attachment device |
US6505385B2 (en) * | 1997-12-22 | 2003-01-14 | Sama S.P.A. | Magnetic closure with mutual interlock for bags, knapsacks, items of clothing and the like |
US6145341A (en) * | 1999-04-28 | 2000-11-14 | Leong; Henry | Uniquely mating jewelry items made from gems |
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US6598272B2 (en) * | 2001-01-01 | 2003-07-29 | Yamato Trading Nire Co., Ltd. | Clasp |
US6481065B2 (en) * | 2001-02-15 | 2002-11-19 | Jolita Cogdill | Jewelry closure |
US20030154576A1 (en) * | 2002-02-20 | 2003-08-21 | Eddia Mirharooni | Eddia cuff link |
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US9125460B2 (en) | 2013-08-12 | 2015-09-08 | Timex Group Usa, Inc. | Wristworn device with a releasable locking arrangement |
US9744056B2 (en) | 2014-08-06 | 2017-08-29 | Rehabilitation Institute Of Chicago | Magnetic electrical connector for assistive devices |
US10609990B2 (en) * | 2014-08-11 | 2020-04-07 | Apple Inc. | Magnetic actuated attachment mechanisms for electronic devices |
US9693609B2 (en) | 2014-08-11 | 2017-07-04 | Apple Inc. | Magnetic actuated attachment mechanisms for wearable devices |
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US20180368541A1 (en) * | 2015-10-12 | 2018-12-27 | Deborah Burr | Interchangeable Jewelry Components |
US20220265004A1 (en) * | 2018-09-19 | 2022-08-25 | Fidlock Gmbh | Closure Device with Closure Parts Which Can Be Placed Against Each Other |
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