Keyhole sartorius
A sewing machine and buttonhole technology, which is applied to sewing machine components, sewing machine casings, sewing equipment, etc., can solve the problems of sewing obstacles, heating of the driving part, insufficient supply of lubricating oil, etc., and achieve the effect of rapid recovery.
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[0028] Hereinafter, the present invention will be described in detail with reference to the drawings showing preferred embodiments.
[0029] The buttonhole sewing machine shown in the figure has a thread end recovery chamber integrally formed inside the front end of the machine base, and the thread ends generated by the thread cutting device cut by the thread cutting device are sent out by the rotation of the looper base and recovered in the thread end recovery chamber.
[0030] Such as Figure 1 ~ Figure 3 As shown, the buttonhole sewing machine 1 has: a rectangular box-shaped machine base with an open upper part 2, a bottom plate 3 placed on the open part of the machine base 2 in an embedded shape, and a column 4 rising from the upper rear part of the bottom plate 3 , And a machine case 5 extending forward from the upper part of the column 4, and the buttonhole sewing machine 1 is mounted and fixed on a sewing machine table not shown.
[0031] At the lower part of the front end o...
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