Horology: time measuring systems or devices – Cases – Wrist worn
Utility Patent
1998-12-14
2001-01-02
Miska, Vit (Department: 2859)
Horology: time measuring systems or devices
Cases
Wrist worn
C224S164000, C224S175000
Utility Patent
active
06168309
ABSTRACT:
The present invention concerns a bracelet-watch including two bracelet portions attached to a case which is capable of enclosing a movement, each of said portions being formed of a series of links articulated one after the other, such links each having at least one hole through which a flexible tie passes in order to hold them together and to attach each portion to the case.
Ties attaching the links of a bracelet together and also being used for the attachment of the bracelet to the watch case are disclosed in several documents.
A bracelet-watch including a plurality of elements articulated one after the other is disclosed in the document EP-A-0 167 891. One of these elements carries a timepiece and the other elements constitute the links of the bracelet. The elements are encased end to end and held together by means of two flexible non-extending ties passing through channels formed in each of the elements and arranged on either side of the longitudinal axis of the bracelet-watch. The bracelet-watch also includes at each of the ends of the bracelet, an end part provided with means for fastening said tie. The elements can be made of a synthetic material charged with carbon fibres and the ties can be made of a synthetic material impregnated with graphite. In this construction, each of the ties is fastened to the end of one of the bracelet portions, passes through the first portion, then the middle part of the case and finally through the second portion to be fastened to the end of this second portion. It will be noted that the means for fastening the tie to the end part consist of a screw screwed into said part and pressing against the tie in order to fix it. Since the wire is cut after being fastened it is no longer possible to add one or more links to the bracelet without changing the entire tie and selecting a longer one.
The document CH-A-490 827 also uses a tie for attaching the links to each other and for attaching the bracelet portion thereby formed to the watch case. Here, a flexible cable goes from an end part of one bracelet portion, along this portion to the articulation bar connecting two horns of the watch case, passes inside the bar, then comes back along the same bracelet portion to be fastened finally to the same end part. This construction includes an end part where the ends of the tie are folded back then gripped between jaws to fix the tie to this end part. The document mentions that it is then easy to change the length of the bracelet. This is true for shortening the bracelet, since the excess portions of the ties are cut; however, it is impossible to lengthen it because of the obvious lack of spare length. It is then necessary, as was the case for the preceding example, to change the entire tie.
The Utility Model DE-G-85 34 115.0 discloses a bracelet-watch formed of links having concave flanks and which have transverse holes. It also includes bars of circular section which are encased in the concave flanks of said links. A cable passes through the holes arranged in these links and bars. The cable is U-shaped, the ends being held in the middle part of the watch case, by means of screws. This construction does not allow lengthening of the bracelet without the entire tie having to be changed, any more than those described hereinbefore.
Consequently, the bracelet-watch of the present invention proposes a device which, in a bracelet wherein the links are attached to each other by a tie, allows lengthening of this bracelet, without it being necessary to change the tie. Thus the present invention is characterized in that one of the ends of at least one of the bracelet portions includes a special link to which the tie is fastened by means of a fixing device, this special link being provided with a recess arranged after said fixing device, a certain excess portion of the tie being able to be held in reserve in said recess.
REFERENCES:
patent: 2740180 (1956-04-01), Nobles
patent: 4706857 (1987-11-01), Aellen et al.
patent: 394 676 (1965-06-01), None
patent: 490 827 (1970-05-01), None
patent: 85 34 115 (1987-04-01), None
patent: 0 167 891 (1986-01-01), None
Griffin & Szipl, P.C.
Miska Vit
The Swatch Group Management Services AG
LandOfFree
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