Presser foot lift for needle feed in a sewing machine

Details Presser foot lift for needle feed in a sewing machine Presser foot lift for needle feed in a sewing machine

1983-05-23

1984-07-31

Nerbun, Peter P.

Sewing

Elements

Presser devices

112158R, 112321, D05B 2902, D05B 2720, D05B 302

Patent

active

044623232

ABSTRACT:
A means for selectively elevating a presser foot out of pressure contact with a work material when a sewing needle extends through the work material. The device includes a needle bar lever pivotally supported by the sewing machine frame and having an operative connection to the endwise shiftable needle bar for implementing oscillation thereof. A lug extending from the needle bar lever may cooperate with the second end of a lift lever having a first end operatively connected with the presser foot of the sewing machine. The lift lever is carried on a selectively shiftable pintle supported by the sewing machine frame, the pintle having a first shiftable position in which the lug extending from the needle bar lever does not engage with the second end of the lift lever and a second shiftable position in which the lug does engage with the second end of the lift lever whereby the lug will effect rotation of the lift lever and have the first end elevate the presser foot out of pressure contact with the work material.

REFERENCES:
patent: 2754783 (1956-07-01), Scott et al.
patent: 2864327 (1958-12-01), Cole et al.
patent: 3040682 (1962-06-01), Leslie
patent: 3561382 (1971-02-01), Ketterer et al.
patent: 3688712 (1972-09-01), Edwards
patent: 3730117 (1973-05-01), Ritter et al.
patent: 4123981 (1978-11-01), Brown
patent: 4372237 (1983-02-01), Totino et al.
patent: 4388886 (1983-06-01), Adams

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