Needle bight control mechanism
A sewing machine is provided with a unique needle bight control module including a rotatable cam stack, a cam follower for each of the cams of the cam stack, and a drum with interposers thereon selectively disposable against the cam followers for causing needle bight controlling linkage means to be...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A sewing machine is provided with a unique needle bight control module including a rotatable cam stack, a cam follower for each of the cams of the cam stack, and a drum with interposers thereon selectively disposable against the cam followers for causing needle bight controlling linkage means to be moved during rotation of the cam stack according to the design of the cam which is associated with the cam follower selectively engaged by the interposer. Indexing means embraces and holds the cams, interposers and cam followers in alignment. |
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