All-purpose sewing machine

Details All-purpose sewing machine All-purpose sewing machine

2008-04-29

2008-04-29

Izaguirre, Ismael (Department: 3765)

Sewing

Special machines

Leather sewing

Reexamination Certificate

active

11701543

ABSTRACT:
A sewing machine includes a main frame, a retainer, a rocker arm assembly, a wire assembly, and a platform. The main frame contains therein a transmission mechanism. The retainer is mounted to the base of the main frame. The retainer defines a bore in which a first gear transmission assembly is received. A rocker arm retaining disk assembly is mounted on the bore. The rocker arm assembly includes a rocker arm body which forms a plurality of bent sections which is configured to have the thread engaging device opposing the main frame. The platform is mounted to the base of the main frame.

REFERENCES:
patent: 1177972 (1916-04-01), Stromdahl
patent: 1572957 (1926-02-01), Reed
patent: 2716387 (1955-08-01), Muller et al.
patent: 3266059 (1966-08-01), Stelle
patent: 4393728 (1983-07-01), Larson et al.
patent: 4905615 (1990-03-01), Pofferi
patent: 5875726 (1999-03-01), Keilmann
patent: 5964171 (1999-10-01), Ciucani
patent: 6129031 (2000-10-01), Sarh et al.

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