Sewing machine

Details Sewing machine Sewing machine

2009-06-30

2011-12-13

Patel, Tejash (Department: 3765)

Sewing

Stitch forming

Multiple needle

Reexamination Certificate

active

08074588

ABSTRACT:
Sewing machine (10comprising a base (12) with a crochet and a head (14) that comprises a needle support (30), a fabric pressure foot (24) and its adjusting means (26), motor means (28) to make a needle sew together with the crochet, and lever means (32) to turn the rotary motion of the driving means into a vertical reciprocating motion. The needle support (30) in turn comprises at least two needle bars (46, 48) that are moved vertically by said lever means (32), and a connecting element (50) to couple the lever means (32) with at least a needle bar (46,48). Each needle bar (46,48) is coupled with a needle (16,18) through a respective thread and actuated selectively in the crochet in order to allow the sewing.

REFERENCES:
patent: 1244115 (1917-10-01), Merrow
patent: 3783811 (1974-01-01), Schmedding et al.
patent: 3875878 (1975-04-01), Kaminski
patent: 4043283 (1977-08-01), Jung
patent: 5474001 (1995-12-01), Tajima et al.
patent: 5694872 (1997-12-01), Zeller
patent: 0 353 208 (1990-01-01), None
patent: 2 027 074 (1980-02-01), None
patent: 2 160 236 (1985-12-01), None

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