The present invention relates in general to a necklace keeper or clasp. More particularly, the present invention relates to a necklace keeper or clasp that is simple in construction and easy to operate. Furthermore, the present invention relates to a necklace keeper or clasp that can be used for securing ends of the necklace as well as for receiving one or more charms.
There are a variety of different clasps used with necklaces. One example is shown in U.S. Pat. No. 5,050,276 to Pemberton. One form of clasp is referred to as a “lobster claw” clasp.
It has been found difficult to manipulate the conventional clasp and thus it is an object of the present invention to provide an improved keeper or clasp that is used with necklaces and that is simple in construction and easy to operate.
To accomplish the foregoing and other objects of the present invention there is provided a necklace clasp for securing a jewelry item that is comprised of: a support member that includes a support ring that extends less than a full circle so as to define a support ring gap in the support ring, and a top head piece that extends upwardly from the support ring; a sliding lock pad that engages with the top head piece, and that is biased to an extended position; and a guide ring having a channel for receiving the support ring, and extending less than a full circle so as to define a guide ring gap in the guide ring; said sliding lock pad having a locked position in which the sliding lock pad engages the support ring to inhibit relative rotation between the support ring and guide ring, and a released position in which there is relative rotation between the support ring and guide ring so that the respective support ring gap and guide ring gap align.
In accordance with other aspects of the present invention including a spring that is disposed between the top head piece and the sliding lock pad; wherein the spring is a coil spring and the top head piece includes a post for supporting one end of the coil spring; further including a holder for supporting an opposite end of the coil spring; wherein the guide ring has a U-shaped cross-section defining the channel in the guide ring; wherein the top head piece has a passage in which the coil spring resides; wherein the sliding lock pad is comprised of a pair of spaced apart walls with the spring being disposed between the spaced apart walls; wherein the top head piece has a passage in which the coil spring resides, and in the locked position the sliding locking pad is disposed to extend below the top head piece; and wherein the guide ring has a U-shaped cross-section defining the channel in the guide ring.
In accordance with another version of the present invention there is provided a necklace clasp for securing one or more charms to the necklace, comprising: a support member that includes a support ring that extends less than a full circumference so as to define a support ring gap in the support ring, and a top head piece that extends upwardly from the support ring; a spring supported by the top head piece; a sliding lock pad that engages with a passage in the top head piece, and that is biased, by the spring, to an extended position; and a guide ring having a circumferential channel for receiving the support ring, and extending less than a full circumference so as to define a guide ring gap in the guide ring; said sliding lock pad having a locked position in which the sliding lock pad engages the support ring to inhibit relative rotation between the support ring and guide ring, and a released position in which there is relative rotation between the support ring and guide ring so that the respective support ring gap and guide ring gap align; said sliding locking pad, in the released position, allowing said rotation so that said sliding lock pad extends away from the top head piece.
In accordance with still other aspects of the present invention the spring is a coil spring and the top head piece includes a post for supporting one end of the coil spring; further including a holder for supporting an opposite end of the coil spring; wherein the guide ring has a U-shaped cross-section defining the circumferential channel in the guide ring; wherein the top head piece has a passage in which the coil spring resides; wherein the sliding lock pad is comprised of a pair of spaced apart walls with the spring being disposed between the spaced apart walls; wherein the top head piece has a passage in which the coil spring resides, and in the locked position the sliding locking pad is disposed to extend below the top head piece; and wherein the guide ring has a U-shaped cross-section defining the circumferential channel in the guide ring.
In accordance with still another version of the present invention there is provided a necklace clasp for securing one or more charms to the necklace using the clasp, said necklace clasp comprising: a support member that includes a support ring that extends less than a full circumference so as to define a support ring gap in the support ring, and a top head piece that extends upwardly from the support ring; the support ring gap extending less than 180 degrees of the complete circumference of the support ring; a sliding lock pad that engages with a passage in the top head piece; a coil spring supported between spaced apart walls of the sliding lock pad; a guide ring having a circumferential channel for receiving the support ring, and extending less than a full circumference so as to define a guide ring gap in the guide ring; the guide ring gap extending less than 180 degrees of the complete circumference of the guide ring; said sliding lock pad having a locked position in which the sliding lock pad engages the support ring to inhibit relative rotation between the support ring and guide ring, and a released position in which there is relative rotation between the support ring and guide ring so that the respective support ring gap and guide ring gap align; said sliding locking pad, in the released position, allowing said rotation so that said sliding lock pad extends toward the top head piece.
In accordance with still other aspects of the present invention the top head piece has a passage in which the sliding locking pad resides, and in the locked position the sliding locking pad is disposed to extend below and a way from the top bead piece; and the guide ring has a U-shaped cross-section defining the circumferential channel in the guide ring.
In accordance with another version of the present invention there is provided a necklace clasp for securing a jewelry item comprising:
In accordance with other aspects of the present invention the spring is a coil spring and the top head piece includes a post for supporting one end of the coil spring: further including a holder for supporting an opposite end of the coil spring; the guide ring has a U-shaped cross-section defining the channel in the guide ring; the top head piece has a passage in which the coil spring resides; the sliding lock pad is comprised of a pair of spaced apart walls with the spring being disposed between the spaced apart walls; the top bead piece has a passage in which the coil spring resides, and in the locked position the sliding locking pad is disposed to extend below the top head piece; the guide ring has a U-shaped cross-section defining the channel in the guide ring; and the shorter arcuate leg terminates at a location that is less than 45 degrees of a center point of the clasp.
In accordance with another version of the present invention there is provided a necklace clasp for securing one or more charms to the necklace, comprising:
In accordance with still other aspects of the present invention the spring is a coil spring and the top head piece includes a post for supporting one end of the coil spring: a holder for supporting an opposite end of the coil spring; the guide ring has a U-shaped cross-section defining the circumferential channel in the guide ring; the top head piece has a passage in which the coil spring resides; and the shorter arcuate leg terminates at a location that is less than 45 degrees of a center point of the clasp.
In accordance with another version of the present invention there is provided a method of assembling a necklace clasp for securing a jewelry item in which the necklace clasp is comprised of: a support member that includes a support ring that extends less than a full circle so as to define a support ring gap in the support ring, and a top head piece that extends upwardly from the support ring; a sliding lock pad that engages with the top head piece, and that is biased to an extended position; a guide ring having a channel for receiving the support ring, and extending less than a full circle so as to define a guide ring gap in the guide ring; and a spring that is disposed between the top head piece and the sliding lock pad; said method including the steps of: engaging the spring with a slot in the sliding lock pad;
In accordance with still other aspects of the present invention the spring is a coil spring and providing the top head piece with a post for supporting one end of the coil spring; wherein the step of engaging the support ring with an annular channel of the guide ring includes rotationally moving the support ring into the guide ring; wherein both the support ring and guide ring have an opening and aligning the openings by rotation of the top head piece in order to provide the slot to receive a charm; and wherein the sliding lock pad has a locked position in which the sliding lock pad engages the support ring to inhibit relative rotation between the support ring and guide ring, and a released position in which there is relative rotation between the support ring and guide ring so that the respective support ring gap and guide ring gap align.
It should be understood that the drawings are provided for the purpose of illustration only and are not intended to define the limits of the disclosure. The foregoing and other objects and advantages of the embodiments described herein will become apparent with reference to the following detailed description when taken in conjunction with the accompanying drawings in which:
The present clasp or keeper is shown at 10 in the drawings and can be used for supporting ends of a necklace 11. The keeper or clasp of the present invention is also usable for supporting one or more charms schematically illustrated in the drawings at 25.
Reference may now be made to
In according with the present invention, there is provided a necklace keeper or clasp for securing one or more charms with the necklace. This necklace keeper or clasp is comprised of a support member 12 that is comprised of a support ring 14 that extends less than a full circumference so as to define a support ring gap in the support ring. The support member also includes a top head piece 15 that extends upwardly from the support ring 14. Reference may be made, for example, to
The necklace keeper or clasp of the present invention also includes a spring 22 which in the illustrated embodiment is a coil spring. This is supported by the sliding lock pad 18 that engages with the passage 17 in the top head piece 15. For example, refer to
Between the lock pad 18 and the head piece 15 there may be provided engagement surfaces so that the lock pad 18 can easily slide relative to the head piece 15. Indentations may also be provided between the lock pad 18 and the head piece 18 so that the movement is smooth.
The necklace keeper or clasp of the present invention also includes a guide ring 20 having a circumferential channel or slot 21. The slot 21 has a U-shaped cross-section. Refer, for example, to
The sliding lock pad 18 has a lock position in which the sliding lock pad 18 engages the support ring 14 to inhibit relative rotation between the support ring 14 and the guide ring 20. This lock position is illustrated, for example, in
The sliding lock pad 18 also has a release position so that there can be relative rotation between the support ring 14 and the guide ring 20. In that position the respective support and guide ring gaps S and G are aligned.
Reference may now be made to the cross-sectional view of
Reference is now made to an alternate embodiment of the present invention illustrated in
In accordance with the present invention, there is provided a method of assembling a necklace clasp for securing a jewelry item in which the necklace clasp is comprised of a support member 12 that includes a support ring 14 that extends less than a full circle so as to define a support ring gap in the support ring, and a top head piece 15 that extends upwardly from the support ring; a sliding lock pad 18 that engages with the top head piece, and that is biased to an extended position; a guide ring 20 having a channel 24 for receiving the support ring, and extending less than a full circle so as to define a guide ring gap in the guide ring; and a spring 22 that is disposed between the top head piece 15 and the sliding lock pad 18.
In
In accordance with the present invention, the method steps are as follow. The spring 22 is first engaged with a slot in the sliding lock pad 18. This is illustrated in
The sliding lock pad is engaged in an opening of the top head piece of the support ring so that the sliding lock piece is free to slide in the support ring. As indicated previously, the support ring is then engaged within an annular channel in the guide ring. Once assembled this enables rotation of the top head piece relative to the support ring in order to provide a slot between the support ring and the guide ring to receive a charm piece. In this regard,
Having now described a limited number of embodiments of the present invention, it should now be apparent to those skilled in the art that numerous other embodiments and modifications thereof are contemplated as falling within the scope of the present invention, as defined by the appended claims.
This application is a continuation-in-part (CIP) of U.S. Ser. No. 17/392,636 filed on Aug. 3, 2021 and which is incorporated by reference herein in its entirety.
Number | Name | Date | Kind |
---|---|---|---|
1052802 | Dean | Feb 1913 | A |
1626987 | Venegas | May 1927 | A |
2184319 | Schoeninger | Dec 1939 | A |
2206052 | Schoeninger | Jul 1940 | A |
2224073 | Augenstein | Dec 1940 | A |
2435152 | Morse | Jan 1948 | A |
2604775 | Le Blanc | Jul 1952 | A |
3757392 | Shteinshleifer | Sep 1973 | A |
4324121 | Richter | Apr 1982 | A |
5050276 | Pemberton | Sep 1991 | A |
5826309 | Tsamas | Oct 1998 | A |
5896625 | Tanner | Apr 1999 | A |
6381814 | Colpo | May 2002 | B1 |
6804977 | Grabelle | Oct 2004 | B1 |
7676894 | Bohm et al. | Mar 2010 | B2 |
7966704 | Yurman et al. | Jun 2011 | B2 |
9414652 | Fuhrman et al. | Aug 2016 | B2 |
9770077 | Gibbs | Sep 2017 | B2 |
Number | Date | Country | |
---|---|---|---|
Parent | 17392636 | Aug 2021 | US |
Child | 17947280 | US |