Sewing machine with movable presser foot
AssigneeTokai Kogyo Mishin Kabushiki Kaisha
InventorsIkuo Tajima, Satoru Suzuki, Youichi Mizuguchi
Life of this patent
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Abstract
A sewing machine has at least one sewing head having a presser foot which is vertically reciprocally moved by a predetermined stroke in synchronism with a vertical movement of a needle bar. After completion of the sewing operation, an upper thread is cut in a position spaced by a suitable distance from a sewing needle mounted on the needle bar. A refuge mechanism is operable to move the presser foot to a refuge position for giving refuge to a part of the upper thread on the side of the sewing needle cut after completion of the sewing operation. The refuge position is out of the predetermined stroke.
Claims8
In a sewing machine having at least one sewing head in which a presser foot is vertically reciprocally moved by a predetermined stroke in synchronism with a vertical movement of a needle bar and in which an upper thread is cut after completion of the sewing operation and in a position spaced by a suitable distance from a sewing needle mounted on the needle bar, the improvement comprising:
- refuge means operable to move the presser foot to a refuge position for giving refuge to a part of the upper thread on the side of the sewing needle cut after completion of the sewing operation, the refuge position being out of the predetermined stroke.
Dependencies are inferred from the claim text.