US20070028428A1 - Strap attachment device - Google Patents

Strap attachment device Download PDF

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Publication number
US20070028428A1
US20070028428A1 US10/571,788 US57178806A US2007028428A1 US 20070028428 A1 US20070028428 A1 US 20070028428A1 US 57178806 A US57178806 A US 57178806A US 2007028428 A1 US2007028428 A1 US 2007028428A1
Authority
US
United States
Prior art keywords
fact
attachments
axle
bracelet
attachment
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
Application number
US10/571,788
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English (en)
Inventor
Francis Cretin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Richemont International SA
Original Assignee
Richemont International SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Richemont International SA filed Critical Richemont International SA
Assigned to RICHEMONT INTERNATIONAL S.A. reassignment RICHEMONT INTERNATIONAL S.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CRETIN, FRANCIS
Publication of US20070028428A1 publication Critical patent/US20070028428A1/en
Abandoned legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/14—Suspending devices, supports or stands for time-pieces insofar as they form part of the case
    • G04B37/1486—Arrangements for fixing to a bracelet
    • 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 a device for securing a bracelet comprising a first attachment and a second attachment adapted to receive a bracelet pin.
  • the invention relates particularly to mechanisms for attaching a bracelet on a watchcase, but it is general useful for any application requiring the securement of a bracelet, such as for various jewelry.
  • the object of the present invention is to provide a securement device for a bracelet which overcomes the mentioned drawbacks of the present systems and permits in particular rapid and easy changing of a bracelet and improving at the same time the comfort of the user.
  • the present invention thus has for its object a securement device comprising the characteristics set forth in claim 1 and claim 8 .
  • the device according to the present invention is particularly distinguished by the fact that at least one of the attachments comprises an axle substantially parallel to the pin and by the fact that this axle is adapted to be disposed slidably in a transverse bore of a body normally constituted by the watchcase.
  • the device comprises a locking element for example a pushbutton disposed in a hole in the body intersecting said transverse bore so as to coact with at least one axle of the attachment so as to permit the locking and unlocking of at least one of these attachments in its recess.
  • the device also comprises at least one attachment having an axle substantially parallel to the pin, but this axle is adapted to be disposed pivotally in said transverse bore of the body.
  • the device comprises at least one holding element called a “lug abutment” and constituted for example by a cylindrical pin.
  • Each holding element is disposed in a blind bore in the body intersecting said transverse bore so as to coact with the axle of the corresponding attachment so as to permit the holding axially in service position and at the same time the pivoting, of at least one of these attachments in its recess.
  • the securement device does not require any measure or specificity on the part of the bracelet with which it coacts, and the latter can be held by a simple conventional pin at each end.
  • the bracelet can be of leather, metal or any other suitable material.
  • the latter also remains completely sealed because the mechanism does not take place in the sealing characteristics of the case.
  • the appearance of the assembly is not altered, the case and the lugs remaining for example securable together.
  • the simplicity of the system, the cost and ease of machining are supplemental advantages of the device according to the invention.
  • FIGS. 1 a and 1 b show exploded views of one embodiment of the device according to the present invention.
  • FIGS. 2 a to 2 d are bottom and side views, partially in cross-section, of the device once mounted.
  • FIGS. 3 a to 3 e show perspective, top plan, side and cross-sectional views of the first case lug adapted to be slidably mounted.
  • FIGS. 4 a to 4 d show perspective, top plan, side and cross-sectional views of the second case lug.
  • FIGS. 5 a to 5 d are perspective, top plan, side and cross-sectional views of the pusher.
  • FIG. 6 shows schematically a watchcase, the recess for the lugs being machined in this piece, and the back of the case being adapted to hold the abutments of the lugs.
  • FIGS. 7 a to 7 h show the operation of the securement device according to the present invention, in lateral and transverse cross-sections.
  • the present invention relates particularly to mechanisms for attaching a bracelet on a watchcase, but it is in general useful for any application requirement the securement of a bracelet, as for example for various jewelry, which have a body comparable to the watch body, in particular so as to receive precious stones.
  • This application being obvious to those skilled in the art, only the case of a securement device according to the present invention applied to a wristwatch will be described in what follows.
  • FIGS. 1 a and 1 b With reference to FIGS. 1 a and 1 b, the different portions of the device according to the present invention are clearly identifiable, FIGS. 2 a and 2 b showing these parts once assembled.
  • a watchcase 1 this case 1 being adapted to receive the movement and other portions of the watch which are not important in the scope of the present invention and which accordingly will not be described here, comprises formations or elements serving principally to receive the securement device.
  • the case 1 comprises, in the portions of its circumference located diametrically opposed and adapted to receive watchstraps, transverse bores 10 a and 10 b extending substantially parallel to the pins 8 of the bracelets, either to an axis 3 h - 9 h of the watch face in a plane parallel to the watch face, or to the back of the watch.
  • These bores 10 preferably traverse said portions of the circumference of the case 1 , but there could be a blind bore 10 on each side of the case which therefore has but a single opening, as will be more apparent in the description which follows.
  • the case 1 also comprises blind bores 11 a to 11 d , four in number in the preferred embodiment, and the positions of these bores form substantially a rectangle.
  • These blind bores are perpendicular to the back of the case and in effect the corresponding transverse bores 10 , as shown in FIGS. 1 a to 2 d.
  • the case 1 comprises holes 12 a and 12 b also extending orthogonally to the plane of the back of the watch.
  • these holes 12 are located substantially in the middle of said portions of the circumference of the case 1 on opposite sides of the movement, as the case may be between the blind bores 11 a and 11 b respectively 11 c and 11 d , and also have their opening on the back side of the case 1 .
  • the shape of the cross-section of these holes 12 is, like that of the transverse bores 10 a , 10 b and the blind bores 11 a to 11 d , preferably round or circular, but could for example also be rectangular or have another shape.
  • each of the transverse bores 10 a and 10 b will be disposed a first case lug 2 and a second case lug 3 , of which at least one is mounted in a manner to be able to undergo longitudinal movement substantially parallel to the axis of the pins 8 of the bracelet, in the preferred embodiment shown in the drawings.
  • These lugs 2 and 3 are preferably mounted so as to be, in addition to the longitudinal movement of at least one of them, also angularly movable.
  • the mechanism is identical on the two sides of the case 1 mentioned above, the lug “at 5:00” of the watch being the same as at “11:00”, and the same is true for “1:00” and “7:00”.
  • the first lug 2 and the second lug 3 which are shown schematically in FIGS. 3 a to 3 e and 4 a to 4 d , each comprise a male cylindrical axle 22 and 32 which can be of different lengths.
  • the movable lug 2 is similar to the lug 3 but has a groove 25 in which can engage a pushbutton 4 which will lock the movable lug 2 under the action of a return spring 7 .
  • the lug 3 also comprises a groove 35 (not shown in the drawings).
  • the sliding lug 2 which is shown in detail in FIGS. 3 a to 3 e , is thus movable in a direction to be able to undergo a longitudinal movement substantially parallel to the axis of the pins 8 of the bracelet and is lockable and unlockable with the help of the pushbutton 4 which will be described in greater detail hereafter in this description. It is evident that, in the case of longitudinal movement of the first lug 2 alone, the second lug 3 could be made of one piece with the case 1 , the transverse bores 10 comprising in this case, as indicated above, only one opening.
  • the shape of the cross-section of these bores 10 is less important and can for example be rectangular or round, the only condition being to match the shape and dimensions of the axles 22 and, as the case may be, 32 , of the lugs 2 and 3 .
  • a round cross-section of these transverse bores 10 is advantageous if the lugs are mounted so as to be angularly displaceable.
  • the lugs each have an arcuate portion 21 , 31 forming, outside the case 1 , the lug in its conventional sense. On the internal side, these arcuate portions 21 and 31 comprise a smooth hole 26 and 36 adapted to receive the ends of the pins 8 which pass through each of the lengths of the bracelet.
  • the arrangement described above is sufficient and permits, with the help of a pushbutton 4 , to unlock and lock at least one movable lug on each side of the case so as easily to exchange and 1 without recourse to a tool, the watch bracelet.
  • each lug 2 and 3 comprises notch 23 and 33 , as is shown in FIGS. 3 a to 3 e and 4 a to 4 d .
  • These notches comprise a profile of more than 180, ° for example 200 ° as shown in cross-section in FIG. 3 d or 4 d , the two lines of inclination of the profile of the notch having preferably the same length.
  • each lug 2 , 3 is held in place by the coaction between the notch and a cylindrical pin 5 serving as an abutment, these pins being disposed in the blind bores 11 a - d of the case 1 and held in position by the back 6 , as is shown in FIGS. 2 d and 6 .
  • Each lug abutment 5 has two functions: located in a notch of the lug, it prevents it from leaving its recess and thus guarantees holding the lug in the transverse bore, particularly in the case of only pivotal movement requiring no pushbutton 4 and corresponding groove 25 , 35 to hold it.
  • This abutment 5 thus limits the angular movement of the lugs 2 , 3 .
  • a cylindrical pin as shown in FIG. 2 d in its recess in the case 1 , could be replaced by any other piece suitable to be inserted in the blind bores 11 and disposed in the radial peripheral portion of the transverse bores 10 so as to hold the lugs 2 , 3 with the help of the notches 24 , 34 provided in the axles 22 , 32 .
  • axles 22 , 32 of the lugs 2 , 3 and in particular the transverse bores 10 a , 10 b should have a circular section, the external diameter of the axles 22 , 32 corresponding substantially to the internal diameter of these bores 10 .
  • Another shape for their cross-section, as mentioned above, could be envisaged only in the case of a lug which is solely slidable and hence not pivotal.
  • the male axles 22 , 32 of the lugs 2 and 3 terminate in the case of pivotal lugs preferably in a flap 24 / 34 , which his to say a half round.
  • the flaps 24 and 34 of each lug 2 and 3 face each other such that the two lugs will be aligned on the one hand relative to each other at any time during pivoting of the two axles 22 , 32 of the lugs 2 , 3 , as is shown in the partial cross-section of FIGS. 2 a or 2 b .
  • the oscillation of the two lugs 2 , 3 is synchronized.
  • the notch 23 of one sliding lug 2 must be provided with a greater width relative to that of a pivoting lug 3 so as to permit the translation of the lug 2 along its axis after unlocking by pressure on the pushbutton 4 .
  • the two pushbuttons 4 are disposed vertically in the case 1 in the holes 12 a and 12 b provided for this purpose, as indicated above and shown in FIGS. 1 a and 1 b as well as 2 a and 2 b . They each have a radial oblong opening 41 in which the lugs 2 and 3 couple, as shown in FIGS. 5 a to 5 d .
  • the pusher 4 On the unlockable side of a lug 2 , the pusher 4 comprises a throat in the oblong opening 41 forming a projection 42 occupying a portion of the perimeter of this opening, for example a quarter section of this perimeter opposite the bearing surface of the pushbutton 4 .
  • this projection 42 corresponds to that of the groove 25 which is formed over almost the entire periphery of the sliding lug 2 so as not to provide an obstacle to possible pivoting of the lug.
  • the coaction between the projection 42 and the groove 25 thus permits providing a blocking-unblocking mechanism by longitudinal translation, which is for example also visible in the cross-section of FIG. 2 c .
  • the opening 41 in the pusher 4 has a chamfer 43 which permits, by coaction with a corresponding chamfer 27 on the axle 22 of the lug 2 , the snapping in of the lug 2 by a simple pressure on the latter during securement of a new bracelet.
  • the pusher retracts, against the action of a spring 7 provided for this purpose, from its unlocked forward position to a locked position.
  • the pushbutton 4 comprises, at its end directed toward the opening of the hole 12 , a portion 44 serving as a bearing surface against the back 6 , this latter being provided with a corresponding opening so as to have access to the pusher 4 , said spring 7 applying as a result (see FIG. 2 c ) the pusher with the help of the portion 44 against the back, this rest position of the pushbutton 4 being the locked position of the corresponding sliding lug 2 .
  • the device permits longitudinal movement of the lug 2 mounted in a sliding fashion, along the axle of the bracelet to free this latter and thereby to permit a rapid and easy change and without a tool, of the bracelet, by the user, by simple pressure on a pusher 4 , without any disassembly of any piece of the securement device.
  • the securement device also permits a pivoting of the lugs 2 , 3 permitting the ends of the bracelet better to match the shape of the wrist of the user. The combination of these two movements of the lugs 2 and 3 is of course possible.
  • the present invention thus permits providing a securement device of a bracelet which is very modular, particularly sliding, pivoting or, preferably, both.
  • the pins 8 of a watch bracelet passing within each of the ends of the bracelet, can be constituted by monobloc axles, with or without bearings at their ends. It is useless to assemble pins with springs with this securement device, the longitudinal movement necessary for changing of a bracelet being provided by the sliding of the lugs.
  • the invention described can also enjoy other technical characteristics such as indexing at two positions of the movable lugs by the bias of a spring or a system of balls in a throat, this permitting visualizing the open and blocked position of the pushbutton 4 .
  • this possibility offers double security.
  • the buttons 4 could be replaced by pull buttons to obtain the same result.
  • the lug abutments 5 could also be replaced by four specialized screws which would play the same role as pins or by any other device for holding in position.
  • FIGS. 7 a to 7 h So as to describe exactly the operation of the device, in the preferred embodiment, reference is made to FIGS. 7 a to 7 h.
  • FIGS. 7 a and 7 b show, in partial lateral and transverse cross-sections, the situation when the pushbutton 4 is pushed in by the user.
  • the sliding lug 2 is in this case no longer maintained by the shape of the pusher in its groove 25 and is thus unlockable. Then, the user can cause the movable lug 2 to slide outwardly, by holding the pushbutton 4 depressed.
  • the pin 8 of the bracelet will thus be freed, this situation being shown in FIGS. 7 c and 7 d .
  • it suffices again to push the movable lug 2 by being sure to align the pivots of the pin 8 with the smooth holes 26 , 36 of the lugs 2 , 3 , as is shown in FIGS.
  • the shape of the movable lug 2 as well as of the pushbutton 4 is, thanks to the chamfers 27 and 43 mentioned above, such that the movable lug 2 can overcome the force of the spring 7 exerted on the pushbutton 4 .
  • the sliding lug 2 snaps into engagement with the pushbutton 4 , this latter being pressed against the back 6 of the casing by the return spring 7 .
  • the assembly is again locked, as shown in FIGS. 7 g and 7 h.
  • the invention serves particularly to improve the facility and rapidity of changing a bracelet, this change being adapted to be carried out without tools thanks to the longitudinal movement of the securement device and with no piece being removed from the casing.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Buckles (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Massaging Devices (AREA)
  • Finger-Pressure Massage (AREA)
  • Adornments (AREA)
  • Clamps And Clips (AREA)
US10/571,788 2003-09-22 2004-09-14 Strap attachment device Abandoned US20070028428A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1619/03 2003-09-22
CH16192003 2003-09-22
PCT/IB2004/002972 WO2005029204A1 (fr) 2003-09-22 2004-09-14 Dispositif de fixation d’un bracelet

Publications (1)

Publication Number Publication Date
US20070028428A1 true US20070028428A1 (en) 2007-02-08

Family

ID=34318812

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/571,788 Abandoned US20070028428A1 (en) 2003-09-22 2004-09-14 Strap attachment device

Country Status (6)

Country Link
US (1) US20070028428A1 (fr)
EP (1) EP1664940B1 (fr)
JP (1) JP2007506087A (fr)
AT (1) ATE366430T1 (fr)
DE (1) DE602004007398T2 (fr)
WO (1) WO2005029204A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110205858A1 (en) * 2010-02-19 2011-08-25 Eyal Lalo Coupling assembly for a wristwatch
CN103376734A (zh) * 2012-04-27 2013-10-30 钟表制作有限公司 用于钟表件的可互换表带的系扣装置
WO2017195054A1 (fr) * 2016-05-10 2017-11-16 Lvmh Swiss Manufactures Sa Boîte de montre comportant des cornes amovibles

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1396587B1 (it) * 2009-11-02 2012-12-14 Momo Design S R L Orologio da polso con cassa ad anse sostituibili.
EP2672337B1 (fr) 2012-06-06 2019-08-07 Glashütter Uhrenbetrieb GmbH Dispositif de fixation amovible et pivotant pour bracelet
CH711611A1 (fr) 2015-10-06 2017-04-13 Tag Heuer - Swiss Mft Sa Boîte de montre comportant des cornes amovibles.
CH714110A1 (fr) * 2017-09-01 2019-03-15 Carlo Ferrara Sa C/O Arc Fiduciaire Sa Boîte de montre comportant des cornes mobiles.
EP3753439B8 (fr) * 2019-06-17 2023-07-12 Dexel SA Dispositif de liaison mécanique amovible entre un bracelet et une pièce mécanique

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1277937A (en) * 1917-11-13 1918-09-03 Illinois Watch Case Co Watchcase.
US20060162132A1 (en) * 2002-09-17 2006-07-27 Richemont International S.A. Device for fixing a watchband to a watch container

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR785981A (fr) * 1935-02-21 1935-08-23 Nouveau système d'accrochage entre montre et bracelet
GB618917A (en) * 1946-11-12 1949-03-01 Edward Browning Eustance Improvements in or relating to strap-attaching lugs for wrist watches and wristlet ornaments
CH674291B5 (fr) * 1989-03-30 1990-11-30 Ravene S A C O Fiducior S A
FR2738123B1 (fr) * 1995-08-30 1997-09-26 Richetin Regis Dispositif d'attache pour interchangeabilite d'articles de joaillerie, bijouterie, maroquinerie ou horlogerie

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1277937A (en) * 1917-11-13 1918-09-03 Illinois Watch Case Co Watchcase.
US20060162132A1 (en) * 2002-09-17 2006-07-27 Richemont International S.A. Device for fixing a watchband to a watch container

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110205858A1 (en) * 2010-02-19 2011-08-25 Eyal Lalo Coupling assembly for a wristwatch
US8007165B1 (en) * 2010-02-19 2011-08-30 Invicta Watch Company Of America, Inc. Coupling assembly for a wristwatch
CN103376734A (zh) * 2012-04-27 2013-10-30 钟表制作有限公司 用于钟表件的可互换表带的系扣装置
WO2017195054A1 (fr) * 2016-05-10 2017-11-16 Lvmh Swiss Manufactures Sa Boîte de montre comportant des cornes amovibles
CN109074028A (zh) * 2016-05-10 2018-12-21 Lvmh瑞士制造业股份公司 包括可拆除表耳的表壳
US11166529B2 (en) 2016-05-10 2021-11-09 Lvmh Swiss Manufactures Sa Watch case comprising removable horns

Also Published As

Publication number Publication date
EP1664940B1 (fr) 2007-07-04
DE602004007398T2 (de) 2008-03-06
WO2005029204A1 (fr) 2005-03-31
JP2007506087A (ja) 2007-03-15
ATE366430T1 (de) 2007-07-15
DE602004007398D1 (de) 2007-08-16
EP1664940A1 (fr) 2006-06-07

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Legal Events

Date Code Title Description
AS Assignment

Owner name: RICHEMONT INTERNATIONAL S.A., SWITZERLAND

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CRETIN, FRANCIS;REEL/FRAME:017713/0120

Effective date: 20060306

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION