Device comprising two pieces held together in spaced apart relat

Details Device comprising two pieces held together in spaced apart relat Device comprising two pieces held together in spaced apart relat

1975-12-10

1977-04-19

Krizmanich, George H.

Sewing

Elements

Revolving hooks

D05B 5714

Patent

active

040181731

ABSTRACT:
A bobbin carrier of a sewing machine is suspended in a surrounding plate solely by several radial pins bridging the space between the carrier and the plate and which can be successively temporarily retracted from the space by a rotating cam. A hook turning with the cam takes up thread from a needle and drives it about the bobbin carrier, in synchronization with retraction of the pins, for the formation of a stitch with a thread fed from a bobbin in the carrier.

REFERENCES:
patent: 18605 (1857-11-01), Smith
patent: 1091062 (1914-03-01), Hohmann
patent: 1181160 (1916-05-01), Parkes

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