Sewing machine prevents broken wire apparatus
The utility model discloses a sewing machine prevents broken wire apparatus, , which comprises a hea, the aircraft nose on install the thread take -up tension lever, the disc is installed to the lower part of thread take -up tension lever, is provided with the wire casing on the disc, installs the s...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a sewing machine prevents broken wire apparatus, , which comprises a hea, the aircraft nose on install the thread take -up tension lever, the disc is installed to the lower part of thread take -up tension lever, is provided with the wire casing on the disc, installs the spring in crossing the wire casing, the apron is installed on spring upper portion, the bottom plate is installed to the lower part of aircraft nose, the supporting legs is installed to the lower part of bottom plate, install from the driving wheel on the right side of aircraft nose, the motor is installed to the lower part of bottom plate, installs the main shaft on the motor, installs the action wheel on the main shaft, action wheel and from installing the belt between the driving wheel. The utility model discloses a sewing machine prevents broken wire apparatus can the automatically regulated sewing thread the elasticity, production quality has been guaranteed in the production of the in -process broken string ci |
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