Sewing machine control mechanism

Details Sewing machine control mechanism Sewing machine control mechanism

1980-02-13

1981-03-10

Hunter, H. Hampton

Sewing

Stitch forming

Feeding work material

112221, D05B 302, D05B 2722

Patent

active

042547261

ABSTRACT:
The stitch-forming instrumentalities of a sewing machine are subject to small mechanical operational errors due to play in the motion-transmitting connections. The invention overcomes this problem by providing two springs which are respectively connected to a transmission element coupled to a driven mechanism of the machine, and to a drive. The two springs counterbalance one another with respect to the drive.

REFERENCES:
patent: 3064604 (1962-11-01), Moro
patent: 3198154 (1965-08-01), Reeber
patent: 3753411 (1973-08-01), Graham et al.

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