JPS6129288Y2 - - Google Patents

Description

[Detailed description of the invention] Watch bands formed by connecting unit band components with pins have been known for a long time, but this type of watch band only requires the troublesome work of connecting unit band components with pins. Otherwise, there is a risk that the pin may come off during use and cause troubles such as the connection of the unit band components being broken. A cylindrical part that has a round groove that is bored parallel to the axis of the part and that opens outward over the entire length of the outer circumferential wall of the part, and a horizontal part that extends from the cylindrical part at a position opposite to the opening of the round groove. A watch band is known in which a plurality of band constituent members are connected, each consisting of a cylindrical part connected to the cylindrical part through a cylindrical part, and a cylindrical part having approximately the same diameter as the inner diameter of the circular groove. When it is made of metal, it requires a mold such as die casting, and when it is made of plastic, it requires molding fittings such as injection molding fittings, which has the disadvantage of significantly increasing costs when producing in small quantities.

The purpose of the present invention is to eliminate such defects and to obtain a watch band with a simple structure that does not require connecting pins at a low cost. A large number of bridge bodies each having a tubular shaft portion at the bent end and a two-blade structure bearing portion that rotatably clamps the tubular shaft portion of the next bridge body at the other end. The middle part of the tubular shaft part is cut out, cuts are made on both sides of the middle part in both blade parts of the bearing part, and the same part is slightly folded inward, and the tubular shaft part is cut in the next position. Similarly, in the bearing part of the bridge body, the above-mentioned intermediate portions are respectively fitted into the recessed portions of the tubular shaft portion, and both incisal edges of the intermediate portions are brought into sliding contact with both incisal edges of the resected portions. The gist is that the pieces are successively joined together.

In the illustrated embodiment, a single piece of elastic metal piece is folded in half, and a tubular shaft part 1 is attached to the bent end, and the tubular shaft part 1 of the next piece 3 is attached to the other end by means of elasticity. A plurality of pieces 3 each having a two-blade structure rotatably clamped are constructed, and the intermediate portion of the tubular shaft part 1 is cut out, and both blade parts 4, 4' of the same bearing part 2 are constructed. Cuts 6, 6' are provided on both sides of the intermediate parts 5, 5', and the same parts are bent slightly inward, and the tubular shaft part 1 is inserted into the bearing part 2 of the next piece 3. Inside, the above-mentioned intermediate portions 5, 5' are respectively fitted into the cutout portion 7 of the tubular shaft portion 1, so that both incisal edges of the intermediate portions 5, 5' and both side incisal edges of the cutout portion 7 are connected. A finished product of a predetermined length is obtained by slidingly connecting a large number of pieces 3 and sequentially joining them.

As described above, the watch band of the present invention has a simple structure and can be provided at low cost, thereby achieving the effect of fully achieving the above object.

[Brief explanation of the drawing]

The figures show an embodiment of the watch band of the present invention, in which Fig. 1 is a perspective view showing a part, Fig. 2 is a sectional view taken along the line A-A in Fig. 1, and Fig. 3 shows the piece body. FIG. 1... Tubular shaft part, 2... Bearing part, 3... Piece body,
4, 4'...Blade part, 5,5'...Middle part, 6,
6'...incision, 7...resection part.

Claims (1)

[Scope of utility model registration request] A two-blade structure in which a single elastic metal piece is folded in half and a tubular shaft is attached to the bent end, and the tubular shaft of the next piece is rotatably clamped to the other end by elasticity. The middle part of the tubular shaft part is cut out, and cuts are made on both sides of the middle part of both blade parts of the bearing part to slightly enlarge the same part. Fold it inward and insert the tubular shaft into the bearing section of the next piece, and fit the above-mentioned intermediate portions into the cutouts of the tubular shaft, thereby cutting both incisal edges of the intermediate portion. A watch band made of a large number of pieces successively joined together by sliding the incisal edges on both sides of the excised part.