| 摘要 |
PCT No. PCT/EP86/00692 Sec. 371 Date Jul. 29, 1987 Sec. 102(e) Date Jul. 29, 1987 PCT Filed Nov. 29, 1986 PCT Pub. No. WO87/03628 PCT Pub. Date Jun. 18, 1987.A device for embroidery machines for attaching ribbons, braid, or the like on a fabric background has an axially displaceable rod-like needle carrier with a needle for embroidery thread. A material pressure foot is swivelable around the axis of a needle bar. A shuttle for receiving a shuttle thread is arranged behind the fabric background. The needle bar is received by a hollow shaft which is rotatable relative thereto. A front face of the hollow shaft includes radially extending grooves which are arranged diametrically with respect to each other. Webs extending into the radially extending grooves are provided at the rear side of an annular disk-shaped retainer for the material pressure foot. The needle of the needle bar extends into the retainer and is connected to a lifting mechanism of the material pressure foot. At least a front segment of the hollow shaft is received by a sleeve which is rotatable with respect to the hollow shaft. The inside wall of the sleeve has at opposite regions circumferentially extending, sickle-like recesses. The radial extensions of the recesses are directed in opposite directions. The distance between the outer flanks of the webs is somewhat smaller than the sum of the external diameter of the segment of the hollow shaft with the grooves and of the largest radial extension of a sickle-like recess.
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