Under thread bobbin exchange device of an embroidery or sewing m

Details Under thread bobbin exchange device of an embroidery or sewing m Under thread bobbin exchange device of an embroidery or sewing m

1997-11-05

1999-05-18

Izaguirre, Ismael

Sewing

Stitch forming

Shuttle type

D05B59/04

Patent

active

059041102

ABSTRACT:
An under thread bobbin exchange device for an industrial embroidery machine or sewing machine of a type having a hook shaft adapted for driving a shuttle, includes a carriage having at least two coupling shafts in parallel disposition to the hook shaft, each of said coupling shafts having a hook shaft distal end and a hook shaft proximal end, with the hook shaft proximal end capable of being coupled to the hook shaft such that the carriage is positioned at a right angle to the hook shaft when the hook shaft is at a standstill and capable to reciprocate in parallel disposition to a throat plate plane by the distance of the coupling shafts, and with each one of the hook shaft distal ends carrying a shuttle.

REFERENCES:
patent: 862033 (1907-07-01), Toof
patent: 3744442 (1973-07-01), Michaels et al.
patent: 3747547 (1973-07-01), Mayer et al.
patent: 3981256 (1976-09-01), Sexton
patent: 5143004 (1992-09-01), Mardix et al.

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