Sewing – Elements – Presser devices
Reexamination Certificate
2005-06-28
2005-06-28
Nerbun, Peter (Department: 3765)
Sewing
Elements
Presser devices
Reexamination Certificate
active
06910433
ABSTRACT:
A push-up lever is rotatably supported on a sewing machine frame, and a coupling lever is coupled to the push-up lever. An oscillating shaft is rotatably supported on a bush, and the coupling lever is engaged with a part of the oscillating shaft. A presser base is coupled to a crank piece of the oscillating shaft, and a presser foot is fixed at its leading end. An elastic member engaged with the presser base. A bracket changeable in fixing position is supported on the back side of the sewing machine frame, and the bush is fixed in the bracket. The crank piece of the oscillating shaft is separable in two pieces, and the engaging faces of the two separated crank pieces are fixed anew when changing the fixing position of the bracket. Therefore, the circular track of the presser foot near the platform of the sewing machine bed can be changed easily, and an eccentric portion of the crank piece is not changed from an initial setting position.
REFERENCES:
patent: 5461997 (1995-10-01), Landen
patent: 6637357 (2003-10-01), Choi
Japanese Utility Model Publication No. 6-16604.
Kasuda Takashi
Kawakami Junji
Nishikawa Masahiko
Bacon & Thomas
Kauffman Brian
Nerbun Peter
Pegasus Sewing Machine Mfg. Co. Ltd.
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