Needle driving apparatus for sewing machine

Details Needle driving apparatus for sewing machine Needle driving apparatus for sewing machine

1988-01-29

1988-12-13

Hunter, H. Hampton

Sewing

Elements

Driving mechanisms

D05B 5514

Patent

active

047902531

ABSTRACT:
A needle driving apparatus for a sewing machine for allowing oscillatory movement of a needle bar through the motion of a lever which oscillates up and down interlocking with a main shaft, wherein a rectangular slider is rotatably supported by a fork provided on the end of the oscillating lever. On the upper end of the needle bar is fixed a guide member having a guide groove which is orthogonal with the needle bar and slidably fitted to the fork of the oscillating lever, and the rectangular slider is fitted in the guide groove of the guide member.

REFERENCES:
patent: 2799236 (1955-05-01), Marforio et al.
patent: 3688711 (1970-05-01), Szostak et al.
patent: 3745951 (1973-07-01), Marforio
patent: 4079685 (1977-06-01), Klundt
patent: 4259916 (1981-04-01), Marchesi

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