JPS6443873U

JPS6443873U -

Info

Publication number: JPS6443873U
Application number: JP13965887U
Authority: JP
Priority date: 1987-09-11
Filing date: 1987-09-11
Publication date: 1989-03-16

Description

[Brief explanation of the drawing]

第１図は本考案を具体化したオーバーロツクミ
シンの要部のみを一部破断して示す斜視図、第２
図は従来例を示す説明図である。図中、１，２は針、３は針板、５，６は針溝、
７は外爪、８は中爪、１５はカツター、１６は保
持器、２１，２２はルーパー、２３は空環案内板
、２５は第１案内面、２６は第２案内面、３１は
布支持面である。 Fig. 1 is a partially cutaway perspective view showing only the main parts of an overlock sewing machine embodying the present invention;
The figure is an explanatory diagram showing a conventional example. In the figure, 1 and 2 are needles, 3 is a throat plate, 5 and 6 are needle grooves,
7 is an outer claw, 8 is an inner claw, 15 is a cutter, 16 is a retainer, 21 and 22 are loopers, 23 is an empty ring guide plate, 25 is a first guide surface, 26 is a second guide surface, 31 is a cloth support It is a surface.

Claims

[Claims for Utility Model Registration] A plurality of needles 1 and 2, loopers 21 and 22 that cooperate with the needles, needle grooves 5 and 6 through which the needles can pass, and cloth on one side of the needle grooves. a throat plate 3 provided with an outer claw 7 and an inner claw 8, each formed to extend in the feed direction; A cutter 15 for cutting the hollow ring formed on the outer claw and the middle claw; and a retainer 16 for holding the free end of the hollow ring cut by the cutter. The first step is to pull out the empty ring from above to the cloth feeding side, and the second step is to pull the pulled out empty ring toward the cloth feeding side and position it in the needle groove 5 between the outer claw and the inner claw. In the empty ring sewing device for an overlock sewing machine, the empty ring is sewn into a seam to be formed on the work cloth after the third step of cutting with the cutter and holding with the holder, A first guide surface 25 that engages with the ring to focus the empty ring; and a first guide surface 25 that focuses the empty ring in the second step, and the empty ring that has been focused by the first guide surface in the second step is placed in the needle groove 5 between the outer claw and the inner claw. Second guide surface 26 to guide
The hollow ring guide plate 23 in which the hollow ring guide plate 23 is formed is disposed on the cloth feeding side of the outer claw 7 and the inner claw 8 of the throat plate 3 and below the cloth support surface 31 of the throat plate. Empty ring sewing device for lock sewing machine.