US3360836A - Bracelet clasp - Google Patents
Bracelet clasp Download PDFInfo
- Publication number
- US3360836A US3360836A US497911A US49791165A US3360836A US 3360836 A US3360836 A US 3360836A US 497911 A US497911 A US 497911A US 49791165 A US49791165 A US 49791165A US 3360836 A US3360836 A US 3360836A
- Authority
- US
- United States
- Prior art keywords
- plate
- strip
- bracelet
- clasp
- leg
- 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.)
- Expired - Lifetime
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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
- A44C5/2047—Fasteners provided with a V-shaped spring-tongue male member
-
- 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.
- Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
- Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
- Y10T24/45471—Projection having movable connection between components thereof or variable configuration
- Y10T24/45524—Projection having movable connection between components thereof or variable configuration including resiliently biased projection component or surface segment
- Y10T24/45529—Requiring manual force applied against bias to interlock or disengage
- Y10T24/45534—Requiring manual force applied against bias to interlock or disengage having connected leading edge and separated trailing arms
Definitions
- a snap clasp for bracelets includes a V-shaped spring catch with a free end that wedges into engagement with an opening in a keeper plate.
- This invention relates to jewelry and more particularly to a clasp for hollow bracelets.
- One object of the invention is to provide a clasp of simple construction which can be easily attached to a bracelet.
- Another object of the invention is to provide a bracelet clasp having self-centering features which will insure positive alignment of the two sections of a bracelet when closed.
- Still another object of the invention is to provide a spring clasp for bracelets having a wedging locking opera tion which will securely close a bracelet without any gap between the abutting sections.
- a still further object of the invention is to provide a hollow bracelet clasp fabricated from a minimum number of parts.
- FIGURE 1 is a side elevation of a blank from which a preferred form of latching member for a clasp in accordance with this invention is constructed;
- FIGURE 2 is a plan view of the blank
- FIGURE 3 is a side elevation of the blank after it has been doubled over
- FIGURE 4 is a cross-sectional elevation of a clasp constructed in accordance with this invention including a latch and keeper attached to abutting sections (each of which is broken away) of a conventional bracelet and necklace;
- FIGURE 5 is an end elevation of the shown in FIGURE 4.
- FIGURE 6 is an end elevation of the keeper member shown in FIGURE 4.
- FIGURE 7 is a side elevation of the clasp shown in FIGURE 4 but in its closed position
- FIGURE 8 is a side elevation of a modified form of latch
- FIGURE 9 is a cross-sectional elevation of a modified form of keeper to be employed with the latch of FIG- URE 8;
- FIGURE 10 is an end view of the keeper shown in FIGURE 9;
- FIGURE 11 is a plan view of the keeper of FIGURES 9 and 10.
- FIGURE 12 is a side elevation of a modified form of blank showing the actuating button as being formed integrally with the latching portion.
- a blank is first made from a semi-cylindrical strip 15 of a springy metal.
- an actuating button 16 is attached by means of a short length of wire 17 which is bent at right angles and secured to the inside surface of the strip at one end such as by soldering or brazing.
- an arcuate transverse groove 18 is formed on the exterior surface of the strip spaced slightly from the end of the strip.
- a radially projecting latching member protuberance 19 is also formed in the metal as shown. Further, in order to permit the strip to be doubled over approximately. in the middle, portions of the metal are removed, as indicated at 20, on both sides of the strip to provide a spring hinge section 21.
- a flat supporting plate 22 is also provided, this plate having an opening 23 to which the lower leg 24 of the catch is secured either by soldering, or welding or other suitable means, the thickness of the groove 18 being such that a firm joint between the latch and supporting plate may be obtained.
- the supporting plate is also provided with a radially extending slot 25 to permit the passage therethrough of the supporting wire 17.
- the keeper comprises a flat plate 26 having a central opening 27, the radius of this opening being approximately the same as the radius of the curvature of the upper and lower legs of the latches 28 and 24 respectively.
- the thickness of the plate 26 should be such that after the clasp has been closed (as shown in FIG. 7) the terminal margin 29 of the upper leg will be wedged in at a slight angle behind the plate and the protuberance 19 on the lower leg will also engage with the inner surface of the plate 26 to assist the upper leg to prevent the clasp from opening.
- these plates can be fabricated from rectangular pieces, or sections having any other shape. The excess metal will facilitate attachment to the bracelet, and is removed thereafter.
- bracelet section 30 should also be cut away at 32 in alignment with the slot 25 .to provide room for the wire 17.
- FIGURES 8-l1 illustrate a modified form of the invention in which a semi-cylindrical strip of spring metal is formed similarly to that of the previous modification to provide a lower leg 24' and an upper leg 28' flexibly joined by the forwardly positioned hinge portion 21'.
- the actuating button 16 is attached to the outer surface of the upper leg by means of a radially projecting straight wire 33 positioned slightly forwardly of the terminal margin of the strip 29.
- the supporting plate 34 need only be provided with an opening sufficiently large to permit the lower leg to be I attached thereto by means of the arcuate groove 18'.
- the keeper plate 35 is provided not only with the central opening 36 but also must be radially slotted at 37 and an aligned slot 38 should also be provided in the bracelet portion 31' to permit the supporting wire 33 to pass into the bracelet section 31 when the outer section 30 is brought into abutting engagement with it.
- the operation of the modified form of clasp is similar to that of the previously described one.
- FIGURE 12 there is shown still another modified form of latch mechanism which differs from the modification shown in FIGURES 8-11 only in that the semicylindrical blank, indicated generally by numeral 39, is formed with an integrally attached narrow section 40 which is bent upwardly to provide a support for an actuating button 41.
- a clasp for bracelets the combination including a keeper and a latch, said keeper comprising a circular plate to be attached transversely at one end of a bracelet section, said plate having a concentric opening therein of less diameter than the inside diameter of a bracelet section to provide a transversely inwardly directed flange portion, said latch including a second plate to be attached transversely at one end of another bracelet section for abutting engagement with the first plate, a doubled over strip of spring metal having the extremity of one leg secured to the second plate and projecting forwardly to permit insertion of the strip into the opening in the first plate, the extremity of the other leg of the strip having an axially inwardly curved marginal portion thereof terminating in a plane disposed at a slight angle with respect to the rear face of the first plate comprising the keeper for wedging locking engagement with the rear face of said first plate.
- said button includes a wire attached to the inner surface of the leg and extends rearwardly and radially.
- buttonsin' cludes a straight wire secured to the outer surface of the leg and positioned slightly forwardly of said portion of the leg for locking engagement.
- a blank for making a latch for a clasp having a keeper provided with a circular entrance opening comprising an elongated semi-cylindrical strip of spring metal, a medial portion of each side margin being cut away to provide a hinge section, one end of said strip being provided with a radially outwardly projecting element.
Landscapes
- Adornments (AREA)
Description
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US497911A US3360836A (en) | 1965-10-19 | 1965-10-19 | Bracelet clasp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US497911A US3360836A (en) | 1965-10-19 | 1965-10-19 | Bracelet clasp |
Publications (1)
Publication Number | Publication Date |
---|---|
US3360836A true US3360836A (en) | 1968-01-02 |
Family
ID=23978837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US497911A Expired - Lifetime US3360836A (en) | 1965-10-19 | 1965-10-19 | Bracelet clasp |
Country Status (1)
Country | Link |
---|---|
US (1) | US3360836A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4520537A (en) * | 1979-06-18 | 1985-06-04 | Harry Wolf & Sons | Gold jewelry clasp assembly |
US4622723A (en) * | 1985-03-18 | 1986-11-18 | American Cord & Webbing Co., Inc. | Cord lock |
US4665595A (en) * | 1984-04-20 | 1987-05-19 | Jean Viot | Clasp with interchangeable ornament |
US5416954A (en) * | 1993-03-19 | 1995-05-23 | Nei/Do-All Corporation | Flexible fastener member having distributed spring action area |
US5689867A (en) * | 1996-09-30 | 1997-11-25 | Katz; Teresa | Interchangeable clasp |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US833458A (en) * | 1906-03-17 | 1906-10-16 | Gustav Hausherr | Catch for bracelets. |
CH70480A (en) * | 1915-01-18 | 1915-10-01 | Kollmar & Jourdan A G | Lock for jewelry chains, bracelets and the like |
US1193330A (en) * | 1916-08-01 | Toria | ||
DE376746C (en) * | 1923-06-05 | Gustav Buerkle | Clasp for necklaces u. like | |
US1504761A (en) * | 1923-05-31 | 1924-08-12 | Hubbell Harvey | Clasp |
DE524671C (en) * | 1931-05-18 | Eugen Gauss | Bracelet clasp | |
US2952058A (en) * | 1958-07-21 | 1960-09-13 | Geldwerth Simon | Flexible jewelry band and snap clasp therefor |
-
1965
- 1965-10-19 US US497911A patent/US3360836A/en not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1193330A (en) * | 1916-08-01 | Toria | ||
DE376746C (en) * | 1923-06-05 | Gustav Buerkle | Clasp for necklaces u. like | |
DE524671C (en) * | 1931-05-18 | Eugen Gauss | Bracelet clasp | |
US833458A (en) * | 1906-03-17 | 1906-10-16 | Gustav Hausherr | Catch for bracelets. |
CH70480A (en) * | 1915-01-18 | 1915-10-01 | Kollmar & Jourdan A G | Lock for jewelry chains, bracelets and the like |
US1504761A (en) * | 1923-05-31 | 1924-08-12 | Hubbell Harvey | Clasp |
US2952058A (en) * | 1958-07-21 | 1960-09-13 | Geldwerth Simon | Flexible jewelry band and snap clasp therefor |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4520537A (en) * | 1979-06-18 | 1985-06-04 | Harry Wolf & Sons | Gold jewelry clasp assembly |
US4665595A (en) * | 1984-04-20 | 1987-05-19 | Jean Viot | Clasp with interchangeable ornament |
US4622723A (en) * | 1985-03-18 | 1986-11-18 | American Cord & Webbing Co., Inc. | Cord lock |
US5416954A (en) * | 1993-03-19 | 1995-05-23 | Nei/Do-All Corporation | Flexible fastener member having distributed spring action area |
US5689867A (en) * | 1996-09-30 | 1997-11-25 | Katz; Teresa | Interchangeable clasp |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: KING CLASP CORP., BOROUGH OF BROOKLYN, NY A CORP O Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:SIMON GELDWERTH AND MENDEK RUBIN;REEL/FRAME:004272/0259 Effective date: 19840110 Owner name: KING CLASP CORP., BOROUGH OF BROOKLYN, NY A CORP O Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:GELDWERTH SIMON;RUBIN MENDEK;REEL/FRAME:004272/0268 Effective date: 19840110 Owner name: KING CLASP CORP., BOROUGH OF BROOKLYN, NY A CORP O Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:GELDWERTH SIMON;RUBIN MENDEK;REEL/FRAME:004272/0265 Effective date: 19840110 Owner name: KING CLASP CORP., BOROUGH OF BROOKLYN NY A CORP OF Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:GELDWERTH SIMON;RUBIN MENDEK;REEL/FRAME:004272/0262 Effective date: 19840110 |
|
AS | Assignment |
Owner name: GELDWERTH, SIMON NEW YORK, NY Free format text: ASSIGNOR HEREBY GRANTS A FIRST LIEN UPON AND SECURITY INTEREST UNDER SAID PATENT UNTO ASSIGNEE SUBJECT TO CONDITIONS RECITED,;ASSIGNOR:KING CLASP CORP.;REEL/FRAME:004261/0840 Effective date: 19840110 Owner name: KING CLASP CORP., BOROUGH OF BROOKLYN, NY A NY COR Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:GELDWERTH, SIMON;RUBIN, MENDEK;REEL/FRAME:004261/0834 Effective date: 19840110 Owner name: RUBIN, MENDEK NEW YORK, NY Free format text: ASSIGNOR HEREBY GRANTS A FIRST LIEN UPON AND SECURITY INTEREST UNDER SAID PATENT UNTO ASSIGNEE SUBJECT TO CONDITIONS RECITED,;ASSIGNOR:KING CLASP CORP.;REEL/FRAME:004261/0840 Effective date: 19840110 Owner name: RUBIN, MENDEK 11 EAST 86TH ST., NEW YORK, NY Free format text: ASSIGNMENT OF 1/2 OF ASSIGNORS INTEREST;ASSIGNOR:GELDWERTH, SIMON;REEL/FRAME:004261/0845 Effective date: 19831230 Owner name: KING CLASP CORP., BOROUGH OF BROOKLYN, NY A NY COR Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:GELDWERTH, SIMON;RUBIN, MENDEK;REEL/FRAME:004261/0837 Effective date: 19840110 |
|
AS | Assignment |
Owner name: DO-ALL JEWELRY M F G. CO., INC. Free format text: CHANGE OF NAME;ASSIGNOR:KING CLASP CORP.;REEL/FRAME:004540/0183 Owner name: KING CLASP CORP. Free format text: MERGER;ASSIGNOR:DO-ALL JEWELRY M F G CO. INC.;REEL/FRAME:004539/0150 Effective date: 19831228 Owner name: DO-ALL JEWELRY M F G. CO. INC. A CORP. OF NJ Free format text: MERGER;ASSIGNOR:DO-ALL JEWELRY M F G. CO., INC (INTO) KING CLASP CORP. (CHANGED TO);REEL/FRAME:004533/0677 Effective date: 19831117 |