Claims
- 1. A lock stitching and over-lock stitching sewing machine having a frame and a primary driving means, comprising, in combination, a lock stitching device having a stitch forming part including a needle bar driving mechanism for forming lock stitches, said frame with said primary driving means forming an integral part of said lock stitching device; an over-lock stitching device having a stitch forming part spaced apart from said part for forming lock stitches and including a separate needle bar driving mechanism for forming overlock stitches, said frame with said primary driving means forming an integral part of said overlock stitching device; and a clutch device operated to selectively connect said primary driving means to said lock stitching device and to said overlock stitching device, said primary driving means including a drive motor and a rotatable shaft operatively connected to the drive motor, said clutch device being mounted on the rotatable shaft of the primary driving means and including an element operable for being displaced on the rotatable shaft between a first position in which said element connects said rotatable shaft to said lock stitching device and a second position in which said element connects said rotatable shaft to said overlock stitching device.
- 2. A sewing machine as defined in claim 1, wherein said frame includes a bed, a stand mounted on said bed and a free arm extending from said stand above said bed and defining a flat top portion having a step adapted for accommodating said stitch forming part of said detachable overlock stitching device.
Priority Claims (1)
Number |
Date |
Country |
Kind |
51-1507497 |
Dec 1976 |
JPX |
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CROSS REFERENCE TO RELATED APPLICATION
This is a continuation of application Ser. No. 860,589 filed Dec. 14, 1977, now U.S. Pat. No. 4,267,786.
US Referenced Citations (8)
Foreign Referenced Citations (3)
Number |
Date |
Country |
160948 |
Apr 1921 |
GBX |
1267361 |
Mar 1972 |
GBX |
348659 |
Sep 1972 |
SUX |
Continuations (1)
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Number |
Date |
Country |
Parent |
860589 |
Dec 1977 |
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