Horology: time measuring systems or devices – Cases – Wrist worn
Patent
1987-10-05
1989-08-08
Roskoski, Bernard
Horology: time measuring systems or devices
Cases
Wrist worn
224176, G04B 3700
Patent
active
048559733
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to a wristband, notably for a watch case. It relates more particularly to a wristband made of injected synthetic material.
Such wristbands are generally known. They are formed of two straps starting from the case and, in the existing realizations, the connection between the straps is obtained by means of a loop fastened to the end of one of the straps to receive the end of the other strap.
The loop must be manufactured separately and then mounted on the wristband. As a result, the cost of the wristband is increased. The added expense is a problem as synthetic material wristbands are intended to be an inexpensive product. An alternative is to use loops where the strap is held by pinching, as is often used with this kind of products. However, with such a strap held by pinching, there is risk of accidental opening of the wristband, entailing loss of the watch.
SUMMARY AND OBJECTS OF THE INVENTION
The present invention proposes to remedy these drawbacks by making a wristband which is very inexpensive to manufacture and offers great wearing safety.
According to the invention, a wristband, notably for a case, is provided comprising a first and a second strap, one end of each strap being integral with the watch case. Each strap has special features. The first strap has openings succeeding each other along the length of the wristband. The second strap is prolonged, on the side opposite the watch case end, by a band intended to pass through one of the openings to form with the two straps and the case a closed loop, and that the fastening means permit making the free end of the band integral with a point of the assembly formed by the second strap and the band.
The various features of novelty which characterize the invention are pointed with particularity in the claims annexed to and forming a part of this disclosure. For a better understanding of the invention, its operating advantages and specific objects obtained by its uses, reference is made to the accompanying drawings and descriptive matter in which a preferred embodiment of the invention is illustrated.
BRIEF DESCRIPTION OF THE DRAWINGS
In the Drawings:
FIG. 1 is a plan view of a watch case, containing a movement with the indicators, provided with a wristband according to the invention, the wristband being spread out; and,
FIG. 2 shows in a side view the watch case and the wristband illustrated in FIG. 1, the wristband forming a loop.
DESCRIPTION OF THE PREFERRED EMBODIMENT
The figures of the drawing represent a case 1, for example with a watch case, and a wristband according to the invention belonging to this case. In case 1 is disposed a mechanical and electronic movement not shown, which drives the hands 2 before a dial 3. The wristband is formed by a first strap 4 and by a second strap 5, one end of each strap being integral with the case 1.
In a preferred form of execution, the wristband is made of injected synthetic material in one piece with the case. The invention, of course, applies also to a wristband of synthetic, or any other material, which would be fastened to the case by conventional means, using, for example, a bar or lug penetrating into the horns of the case.
The first strap 4 has a series of rectangular openings 6, all identical. These openings are disposed in succession along the longitudinal direction of the wristband, the long sides of these openings being oriented perpendicularly to the field.
The free end of the second strap 5 is prolonged by a flexible band 7. Preferably this band forms with the strap one and the same piece of synthetic material. Other executions are also possible. Thus, the band could be a separate element, attached on the strap, for example by gluing. It could also be made of a material other than synthetic material, this material being the same as or different from that of the strap.
Band 7 has a thickness substantially equal to that of strap 5 and a rectangular cross section with dimensions permitting it to be introduced in one of the openings 6 o
REFERENCES:
patent: 2466741 (1949-04-01), Roehrl
patent: 4178751 (1979-12-01), Liautaud
C & KN Hobby Design S.A.
Roskoski Bernard
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