Thread cutter assembly in sewing machine

Details Thread cutter assembly in sewing machine Thread cutter assembly in sewing machine

1981-02-20

1983-12-20

Reynolds, Wm. Carter

Sewing

Elements

Thread cutting, severing or breaking

112300, D05B 6500

Patent

active

044210469

ABSTRACT:
A thread cutter assembly in a sewing machine having a thread cutting cam which is driven by an opener shaft operated in response to the rotation of the rotary shaft of a rotary hook assembly. A movable edge is coupled to a cam follower engageable with the thread cutting cam. The engagement and disengagement of the cam follower and the thread cutting cam are controlled by a control mechanism to carry out a thread cutting operation.

REFERENCES:
patent: 2476061 (1949-07-01), Parry
patent: 2866425 (1958-12-01), Palmbach
patent: 3503355 (1970-03-01), Hagemeyer et al.
patent: 4138958 (1979-02-01), Papajewski
patent: 4181088 (1980-01-01), Kessler et al.
patent: 4365568 (1982-12-01), Ross

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