Sewing machine with detachable loop taker module

Sewing – Stitch forming – Multiple needle

Patent

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Details

112220, 112260, D05B 108, D05B 6930

Patent

active

057654930

ABSTRACT:
A sewing machine including a needle bar for mounting two needles separated by a distance in a principal shaft direction; a principal drive shaft for driving the needle bar and extending in the principal shaft direction; a bed portion; a first loop taker disposed in the bed portion; a transmission system for connecting movement between the first loop taker and the principal drive shaft; a loop taker module detachably provided to the bed portion; a second loop taker provided to the loop taker module; and servomotor provided in the loop taker module and for driving the second loop taker.

REFERENCES:
patent: 2085699 (1937-06-01), Kessler
patent: 3006298 (1961-10-01), Johnson
patent: 3628479 (1971-12-01), Schafer
patent: 3742880 (1973-07-01), Franz
patent: 4407210 (1983-10-01), Jung et al.
patent: 4624201 (1986-11-01), Maggi
patent: 4690081 (1987-09-01), Castagna et al.
patent: 5189971 (1993-03-01), Frankel et al.
patent: 5458075 (1995-10-01), Tice et al.
patent: 5474001 (1995-12-01), Tajima et al.
patent: 5549061 (1996-08-01), Oda et al.

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