Rotary thread cutter for a sewing machine

Details Rotary thread cutter for a sewing machine Rotary thread cutter for a sewing machine

1990-08-23

1991-11-05

Schroeder, Werner H.

Sewing

Work manipulating

Severing

112289, D05B 3704

Patent

active

050623745

ABSTRACT:
A thread cutter for a sewing machine uses a circular rotary cutter mounted to the sewing machine. The thread cutter includes a body having an air motor disposed therein. A circular blade is supported on a shaft extending from the air motor. The cutter body is reciprocally supported on a rod fixed at one end to a mounting plate. The rod is disposed in a cylinder within the body and has a piston end, air supplied to one side or the other of the piston driving the cutter body reciprocally into and out of engagement with any threads trailing from a sewn article.

REFERENCES:
patent: 3135229 (1964-06-01), Heckethorn
patent: 3144844 (1964-08-01), Elliott et al.
patent: 3149595 (1964-09-01), Zeltner, Jr.
patent: 3369509 (1968-02-01), Burton
patent: 3808992 (1974-05-01), Mall
patent: 3886879 (1975-06-01), Frost et al.
patent: 4108098 (1978-08-01), Keeton

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