Thread cutter for a chainstich sewing machine

Details Thread cutter for a chainstich sewing machine Thread cutter for a chainstich sewing machine

1995-04-07

1996-01-09

Nerbun, Peter

Sewing

Elements

Thread cutting, severing or breaking

112199, D05B 6500

Patent

active

054819946

ABSTRACT:
A thread cutter for a chainstitch sewing machine includes a base plate, a cutter arm, a pincher, a cutter, a hook rod arm, a hook rod and a swing arm combined together. The hook rod arm is movably connected with the cutter arm and has its front end connected with the hook rod. The cutter arm has its front end firmly connected with a cutter on its upper surface and with the pincher on its lower surface and is also pivotally connected with the base plate. The swing arm is connected pivotally on the base plate and has its front head fitting in a notch of the rear end of the hook rod arm. A slide ring is fitted under a hole of the swing arm located in a guide slot of the cutter arm. The swing arm is moved by a driving means to swing to move the hook arm and the cutter arm forward and backward for cutting threads by a cutter fixed on the hook rod arm.

REFERENCES:
patent: 4726305 (1988-02-01), Seto
patent: 5337688 (1994-08-01), Arima
patent: 5415119 (1995-05-01), Ikeda

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