Buttonhole lock seaming and sewing machine
The utility model provides a buttonhole lock seaming and sewing machine which is capable of properly adjusting the posture of a lifting presser foot to ensure smooth work. The buttonhole lock seaming and sewing machine comprises a supporting and connecting part which is supported on a presser foot j...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model provides a buttonhole lock seaming and sewing machine which is capable of properly adjusting the posture of a lifting presser foot to ensure smooth work. The buttonhole lock seaming and sewing machine comprises a supporting and connecting part which is supported on a presser foot joint, of which one end rotates relative to a moving block with a first horizontal support shaft as the rotating center, and allows the presser foot to rotate about a second horizontal support shaft. The rear end of the supporting and connecting part is fixed and supported on the presser foot joint, and the fixing position of the supporting and connecting part is adjustable. The buttonhole lock seaming and sewing machine further comprises a posture adjusting connecting rod part, of which the central portion is supported on the presser foot joint, and which can rotate about a third support shaft. The connecting end of the posture adjusting connecting rod part extending towards the presser foot side is connected with the presser foot, and the supporting end opposite to the connecting end is connected with the front end of the supporting and connecting part. The posture of the presser feet on a released position and relative to the presser feet joint can be adjusted by adjusting the fixing position of the supporting and connecting part. |
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