US2567398A - End connection for wrist watch straps and bracelets - Google Patents

End connection for wrist watch straps and bracelets Download PDF

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Publication number
US2567398A
US2567398A US29581A US2958148A US2567398A US 2567398 A US2567398 A US 2567398A US 29581 A US29581 A US 29581A US 2958148 A US2958148 A US 2958148A US 2567398 A US2567398 A US 2567398A
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United States
Prior art keywords
cover plate
housing
hollow body
tongue
wrist watch
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Expired - Lifetime
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US29581A
Inventor
Pfeifer William Joseph
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FORSTNER CHAIN Corp
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FORSTNER CHAIN CORP
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Publication date
Application filed by FORSTNER CHAIN CORP filed Critical FORSTNER CHAIN CORP
Priority to US29581A priority Critical patent/US2567398A/en
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Publication of US2567398A publication Critical patent/US2567398A/en
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    • 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
    • A44C5/14—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps characterised by the way of fastening to a wrist-watch or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B45/00—Hooks; Eyes
    • F16B45/02—Hooks with pivoting or elastically bending closing member
    • F16B45/027—Hooks with pivoting or elastically bending closing member and having position-locking means for the closing member
    • F16B45/028—Hooks with pivoting or elastically bending closing member and having position-locking means for the closing member the position-locking means being pivotally connected
    • 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.
    • Y10T24/47—Strap-end-attaching devices
    • Y10T24/4782—Watch strap

Definitions

  • the present invention relates to .the jewelry art, and has particular reference to improvevments in end connections for wrist watch straps movement of the cover platerelative to the housing is required for opening and closing movement of the end connection parts.
  • An additional object of the invention is to provide an end connection which includes a housingslidably mounted on the .strap end, and a cover element which is secured to the strap end and releasably engages the housing'to lock received watch bail therein.
  • Another object of the invention is to provide a snap lock cover plate for an end connection housing which utilizes pull or tension of the strap parts to retain the. cover plate in closed relation to the housing.
  • a further object of the invention is to provide an end connection adapted toreceive a watch bail or the like and a cooperating cover for the housing which is hinged to thestrap end and releasably interlocks with the housing.
  • Fig. 1 is a perspective-view of a wristwatch strap equipped with'illustrative end connections embodying the invention
  • Fig. 2 is a top plan view of Fig. 1;
  • Fig. 3. is a detail sectionalview on theQline -33 of Fig. 2, the end connection parts being in closed relation;
  • Fig. 4 is a view similar to Fig. 3, the parts being shown in open relation;
  • Fig. 5 is an enlarged perspective view of the end connector parts in closed relation.
  • Fig. 6 is an enlarged exploded view showing the individual parts of Fig. 5.
  • an end connection for a wrist watch strap or bracelet which includes a housing adapted to slidably seat on the strap end and which has a watch bail receiving recess, and a cover or lock late which is secured to the strap end, preferably by means of a hinge connection, and which releasably interlooks with the housing to cover the recessand lock the watch bail therein.
  • a housin which has a hollow body through which the strap end extends, and which has a forwardly extending tongue shaped in hook'form to provide a watch bail receiving recess; and I provide a. cover plate which extends into the hollow body and is hingedly connected to the strap end and is adapted to .snap lock with the housing tongue when the cover plate moves back into the hollow body.
  • the wrist watch strap H is detachably connected to a watch or ornament II by end connections 12, a preferred design for the end connections and theirparts being shown in Figs. 5 and 6.
  • the illustrated end connection I2 is preferably made of resilient metal and includes a housing I 3 having a hollow body it with a bottom l5, sides iii, ii, and a top is, the sides curving as illustrated to merge with th bottom and the bottom having a resilient tongue 19 which widens laterally and extends upwardly and has a rearwardly directed terminal lip 23, whereby a recess 2
  • the .end 23 of the wrist watch strap has a hinge plate 24 secured thereto, as by a rivet or rivets 25 which passes through aligned openings in the strap end and the hinge plate.
  • the hinge plate 24% has spaced hinge rolls 2G, and a cover plate 27 has a, hinge roll 28 adapted to seatinltermediate the hinge rolls 28 and to be hinged thereto by means of a hinge pin 29.
  • the cover plate 21 has inclined sides 38, Si which are narrow at the hinge end and extend into the housing body, aslot 52 being provided at eachhousi-ng side to act as a guide, and the cover plate widens at the outer end to provide a snap edge 33 adapted to snap below the tongue lip 20, the end of the cover plate having a vertical extension 34 and a horizontal extension 35 which 00- operate with the snap edge 33 to form a recess 36 for receiving the tongue lip 20; the extension 35 covers the tongue lip 20 when in closed relation.
  • the cover plate may be pulled up enough to release the snap edge 33 from the under side of the tongue lip 20, and then swung to open the housing recess 2
  • the cover plate may be snapped 3 down, see Fig. 3, the closing movement snapping the edge 33 below the tongue lip which seats in the recess 36; at the same time the cover plate slides back into the body of the housing through the guide slots 32.
  • the locking movement combines a snap lock with a relative sliding moveunent of the cover plate which firmly locks the :parts in closed position; the cover plate is firmly held at its forward end and seats in the guide slots at its rear end to be firmly held in the hollow body against swinging movement. Inadvertent opening of the parts is prevented, as opening requires a forward movement of the cover plate against the tension or pull of the wrist watch strap as well as a turning movement of the cover plate.
  • An end connection for a wrist watch strap or th like comprising a housing having a hollow body, a forwardly extending element forming a recess, said element having a terminal lip, a hinge plate movably positioned in the hollow body and adapted to be connected to a bracelet end extending into the hollow body, and a cover plate having its rear end hinged to the hinge plate and its forward end provided with a snap edge adapted. to releasably snap past the housing element terminal lip, the sides of the hollow body having guide slots for receiving the rear end of the cover plate.
  • An end connection fora wrist watch strap or the like comprising a housing having a hollow body with a top, sides and bottom, an extension on said bottom forming a tongue spaced from the body to provide a recess therebetween, said tongue having a terminal lip, and a cover plate with tapered sides, the narrow end of said cover plate extending into the hollow body, a hinge plate in said hollow body hinged to the cover plate, the wide end of said cover plate having a snap edge adapted to releasably snap past the housing tongue terminal lip.
  • An end connection for a wrist watch strap or the like comprising a housing having a hollow body with a top, sides and bottom, an extension on said bottom forming a tongue spaced from the body to provide a recess therebetween, said tongue having a terminal lip, and a cover plate with tapered sides, the narrow end of said cover plate extending into the hollow body; a hinge plate in said hollow body hinged to the cover plate, the wide end of said cover plate having a snap edge adapted to releasably snap past '4 the housing tongue terminal lip, the sides of the hollow body having guide parts slidably engaging the narrow end of the cover plate.
  • An end connection for a wrist watch strap or the like comprising a housing having a hollow body with a top, sides and bottom, an extension on said bottom forming a tongue spaced from the body to provide a recess therebetween, said tongue having a terminal lip, and a cover plate with tapered sides, the narrow end of said cover plate extending into the hollow body, a hinge plate in said hollow body hinged to the cover plate, the wide end of said cover plate having a snap edge adapted to releasably snap past the housing tongue terminal lip, the sides of the hollow body having guide slots slidably engaging the narrow end of the cover plate.
  • An end connection for a wrist watch strap or the like comprising a housing having a hollow body with a top, sides and bottom, an extension on said bottom forming a tongue spaced from the body to provide a recess therebetween, said tongue having a terminal lip, and a cover plate with tapered sides, the narrow end of said cover plate extending into the hollow body, a hinge plate in said hollow body hinged to the cover plate, the wide end of said cover plate having a recess to receive the housing tongue terminal lip and a snap edge adapted to releasably snap past the housing tongue terminal lip.
  • An end connection for a wrist watch strap or the like comprising a housing having a hollow body with a top, sides and bottom, an extension on said bottom forming a tongue spaced from the body to provide a recess therebetween, said tongue having a terminal lip, and a cover plate with tapered sides, the narrow end of said cover plate extending into the hollow body and adapted to be hingedly connected to a strap or bracelet end, and the wide end of said cover plate having a recess to receive the housing tongue terminal lip and a snap edge adapted to releasably snap past the housing tongue terminal lip, the sides of the hollow body having guide slots slidably engaging the narrow end of the cover plate.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Buckles (AREA)

Description

P 1951 w. J. PFEIFER 2,
END CONNECTION FOR WRIST WATCH STRAPS AND BRACELETS Filed May 27, 1948 INVENTOR.
Ail-6122123 Patented Sept. 11 1951 END'CONNECTION FOR WRIST WATCH STRAPS AND BRACELETS William Joseph'Pfeifer, Point Pleasant, N. J., assignor toForstner Chain Corporation, a corporationof New Jersey Application May 27, 19,48,'S.erial No. 29,581
6 Claims.
1 The present invention relates to .the jewelry art, and has particular reference to improvevments in end connections for wrist watch straps movement of the cover platerelative to the housing is required for opening and closing movement of the end connection parts.
An additional object of the invention is to provide an end connection which includes a housingslidably mounted on the .strap end, and a cover element which is secured to the strap end and releasably engages the housing'to lock received watch bail therein.
Another object of the invention is to provide a snap lock cover plate for an end connection housing which utilizes pull or tension of the strap parts to retain the. cover plate in closed relation to the housing.
A further object of the invention is to provide an end connection adapted toreceive a watch bail or the like and a cooperating cover for the housing which is hinged to thestrap end and releasably interlocks with the housing.
With the above and-other-objects and advantageous features in view, the invention consists of a novel arrangement Qfpartsmore fully-disclosed in the detailed description following, in conjunction with the accompanying drawings and more specifically defined in the claims appended thereto.
, In the drawings,
Fig. 1 is a perspective-view of a wristwatch strap equipped with'illustrative end connections embodying the invention;
Fig. 2 is a top plan view of Fig. 1;
Fig. 3.,is a detail sectionalview on theQline -33 of Fig. 2, the end connection parts being in closed relation;
Fig. 4 is a view similar to Fig. 3, the parts being shown in open relation;
Fig. 5 is an enlarged perspective view of the end connector parts in closed relation; and
Fig. 6 is an enlarged exploded view showing the individual parts of Fig. 5.
It has been found desirable to provide an end connection for a wrist watch strap or bracelet, which includes a housing adapted to slidably seat on the strap end and which has a watch bail receiving recess, and a cover or lock late which is secured to the strap end, preferably by means of a hinge connection, and which releasably interlooks with the housing to cover the recessand lock the watch bail therein. To this end I provide a housin which has a hollow body through which the strap end extends, and which has a forwardly extending tongue shaped in hook'form to provide a watch bail receiving recess; and I provide a. cover plate which extends into the hollow body and is hingedly connected to the strap end and is adapted to .snap lock with the housing tongue when the cover plate moves back into the hollow body.
Referring to the drawings, the wrist watch strap H) is detachably connected to a watch or ornament II by end connections 12, a preferred design for the end connections and theirparts being shown in Figs. 5 and 6. p
The illustrated end connection I2 is preferably made of resilient metal and includes a housing I 3 having a hollow body it with a bottom l5, sides iii, ii, and a top is, the sides curving as illustrated to merge with th bottom and the bottom having a resilient tongue 19 which widens laterally and extends upwardly and has a rearwardly directed terminal lip 23, whereby a recess 2| is formed to receive a watch bail 22 .or the like, see Fig. 3.
The .end 23 of the wrist watch strap has a hinge plate 24 secured thereto, as by a rivet or rivets 25 which passes through aligned openings in the strap end and the hinge plate. The hinge plate 24% has spaced hinge rolls 2G, and a cover plate 27 has a, hinge roll 28 adapted to seatinltermediate the hinge rolls 28 and to be hinged thereto by means of a hinge pin 29. The cover plate 21 has inclined sides 38, Si which are narrow at the hinge end and extend into the housing body, aslot 52 being provided at eachhousi-ng side to act as a guide, and the cover plate widens at the outer end to provide a snap edge 33 adapted to snap below the tongue lip 20, the end of the cover plate having a vertical extension 34 and a horizontal extension 35 which 00- operate with the snap edge 33 to form a recess 36 for receiving the tongue lip 20; the extension 35 covers the tongue lip 20 when in closed relation.
With the parts assembled and closed as shown in Fig. 5, the cover plate may be pulled up enough to release the snap edge 33 from the under side of the tongue lip 20, and then swung to open the housing recess 2| as shown in Fig. 4, this swinging movement against the front edge of the housing body pulling the strap' end forwardly. When the watch bail is inserted in the housing recess the cover plate may be snapped 3 down, see Fig. 3, the closing movement snapping the edge 33 below the tongue lip which seats in the recess 36; at the same time the cover plate slides back into the body of the housing through the guide slots 32.
It is thus clear that the locking movement combines a snap lock with a relative sliding moveunent of the cover plate which firmly locks the :parts in closed position; the cover plate is firmly held at its forward end and seats in the guide slots at its rear end to be firmly held in the hollow body against swinging movement. Inadvertent opening of the parts is prevented, as opening requires a forward movement of the cover plate against the tension or pull of the wrist watch strap as well as a turning movement of the cover plate.
Although I have described a specific constructional embodiment of the invention, such changes in the size, shape, and arrangement of the parts may be made as are desirable for different wrist watch strap and bracelet designs, within the spirit :and the scope of the invention as defined in the appended claims.
Iclaim:
1. An end connection for a wrist watch strap or th like, comprising a housing having a hollow body, a forwardly extending element forming a recess, said element having a terminal lip, a hinge plate movably positioned in the hollow body and adapted to be connected to a bracelet end extending into the hollow body, and a cover plate having its rear end hinged to the hinge plate and its forward end provided with a snap edge adapted. to releasably snap past the housing element terminal lip, the sides of the hollow body having guide slots for receiving the rear end of the cover plate.
2. An end connection fora wrist watch strap or the like, comprising a housing having a hollow body with a top, sides and bottom, an extension on said bottom forming a tongue spaced from the body to provide a recess therebetween, said tongue having a terminal lip, and a cover plate with tapered sides, the narrow end of said cover plate extending into the hollow body, a hinge plate in said hollow body hinged to the cover plate, the wide end of said cover plate having a snap edge adapted to releasably snap past the housing tongue terminal lip.
3. An end connection for a wrist watch strap or the like, comprising a housing having a hollow body with a top, sides and bottom, an extension on said bottom forming a tongue spaced from the body to provide a recess therebetween, said tongue having a terminal lip, and a cover plate with tapered sides, the narrow end of said cover plate extending into the hollow body; a hinge plate in said hollow body hinged to the cover plate, the wide end of said cover plate having a snap edge adapted to releasably snap past '4 the housing tongue terminal lip, the sides of the hollow body having guide parts slidably engaging the narrow end of the cover plate.
4. An end connection for a wrist watch strap or the like, comprising a housing having a hollow body with a top, sides and bottom, an extension on said bottom forming a tongue spaced from the body to provide a recess therebetween, said tongue having a terminal lip, and a cover plate with tapered sides, the narrow end of said cover plate extending into the hollow body, a hinge plate in said hollow body hinged to the cover plate, the wide end of said cover plate having a snap edge adapted to releasably snap past the housing tongue terminal lip, the sides of the hollow body having guide slots slidably engaging the narrow end of the cover plate.
5. An end connection for a wrist watch strap or the like, comprising a housing having a hollow body with a top, sides and bottom, an extension on said bottom forming a tongue spaced from the body to provide a recess therebetween, said tongue having a terminal lip, and a cover plate with tapered sides, the narrow end of said cover plate extending into the hollow body, a hinge plate in said hollow body hinged to the cover plate, the wide end of said cover plate having a recess to receive the housing tongue terminal lip and a snap edge adapted to releasably snap past the housing tongue terminal lip.
6. An end connection for a wrist watch strap or the like, comprising a housing having a hollow body with a top, sides and bottom, an extension on said bottom forming a tongue spaced from the body to provide a recess therebetween, said tongue having a terminal lip, and a cover plate with tapered sides, the narrow end of said cover plate extending into the hollow body and adapted to be hingedly connected to a strap or bracelet end, and the wide end of said cover plate having a recess to receive the housing tongue terminal lip and a snap edge adapted to releasably snap past the housing tongue terminal lip, the sides of the hollow body having guide slots slidably engaging the narrow end of the cover plate.
WILLIAM JOSEPH PFEIFER.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS
US29581A 1948-05-27 1948-05-27 End connection for wrist watch straps and bracelets Expired - Lifetime US2567398A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2833129A (en) * 1955-05-28 1958-05-06 Burkle Fritz Expansible bracelet having a coil spring mounted on link-like members
US3073492A (en) * 1960-12-30 1963-01-15 Berger Max Bracelet
US3178912A (en) * 1962-03-12 1965-04-20 Canadian Res And Dev Foundatio Cigarette lighter with watch bracelet
FR2479667A1 (en) * 1980-04-03 1981-10-09 Caplain Saint Andre Sa Flat fastener for watch bracelet - has spring plate normally closing hook, with sliding ring to hold hook open
US4432476A (en) * 1982-03-12 1984-02-21 Seiko Instruments & Electronics Ltd. Band attachment assembly for attaching a watchband to a watchcase

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1403192A (en) * 1921-03-12 1922-01-10 Pfaus Fred Jewelry coupling
US1510692A (en) * 1922-11-11 1924-10-07 August R Mielke Fastener for antiskid chains and other articles
CH133112A (en) * 1928-02-11 1929-05-15 Paul Raff Fa Suspension device on watch straps and the like.
US1776892A (en) * 1929-10-09 1930-09-30 Hadley Company Inc Bracelet clasp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1403192A (en) * 1921-03-12 1922-01-10 Pfaus Fred Jewelry coupling
US1510692A (en) * 1922-11-11 1924-10-07 August R Mielke Fastener for antiskid chains and other articles
CH133112A (en) * 1928-02-11 1929-05-15 Paul Raff Fa Suspension device on watch straps and the like.
US1776892A (en) * 1929-10-09 1930-09-30 Hadley Company Inc Bracelet clasp

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2833129A (en) * 1955-05-28 1958-05-06 Burkle Fritz Expansible bracelet having a coil spring mounted on link-like members
US3073492A (en) * 1960-12-30 1963-01-15 Berger Max Bracelet
US3178912A (en) * 1962-03-12 1965-04-20 Canadian Res And Dev Foundatio Cigarette lighter with watch bracelet
FR2479667A1 (en) * 1980-04-03 1981-10-09 Caplain Saint Andre Sa Flat fastener for watch bracelet - has spring plate normally closing hook, with sliding ring to hold hook open
US4432476A (en) * 1982-03-12 1984-02-21 Seiko Instruments & Electronics Ltd. Band attachment assembly for attaching a watchband to a watchcase

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