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C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
C07D333/22—Radicals substituted by doubly bound hetero atoms, or by two hetero atoms other than halogen singly bound to the same carbon atom
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Chemical & Material Sciences
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Organic Chemistry
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Sewing Machines And Sewing
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Abstract
The bracket with the cutter mechanism receives its rectilinear and swing movements from a pivoted lever during the forward stroke, while the return stroke results in a straight motion. The clamped end of the yarn is fed along the stitch line with the bracket preventing swing of the lever.
A device for sewing chain points in a sewing machine that has instruments to form double spot. (Machine-translation by Google Translate, not legally binding)