Low inertia tandemly mounted presser mechanism

Details Low inertia tandemly mounted presser mechanism Low inertia tandemly mounted presser mechanism

1979-01-10

1981-05-26

Schroeder, Werner H.

Sewing

Elements

Presser devices

D05B 2900, D05B 2704

Patent

active

042691281

ABSTRACT:
This invention relates to a presser mechanism for sewing machines which includes a pair of independently tandemly mounted presser foot soles arranged to cooperate with the feed mechanism of the machine in advancing the workpiece along a directed path of travel. Different selectively variable pressures may be applied to the presser foot soles such that both a firm heavy pressure and a resilient lesser pressure is applied to the workpiece as it travels along its directed path of travel.

REFERENCES:
patent: 1793372 (1931-02-01), Moffatt
patent: 1988399 (1935-01-01), Thompson
patent: 1988401 (1935-01-01), Thompson
patent: 2288404 (1942-06-01), Kahre
patent: 2481175 (1949-09-01), Tamburro
patent: 2991739 (1961-07-01), Joa
patent: 3295484 (1967-01-01), Boser et al.
patent: 3613609 (1971-10-01), Hayes
patent: 3796173 (1974-03-01), Godsen
patent: 3863580 (1975-02-01), Marforio

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