Sewing – Elements – Presser devices
Patent
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:
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patent: 4388886 (1983-06-01), Adams
Bell Edward L.
Nerbun Peter P.
Schmidt Edward P.
Smith Robert E.
The Singer Company
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