MODULAR BLOCK OF FRONT MECHANISMS FOR SEWING MACHINE Russian patent published in 2003 - IPC

Abstract RU 2215840 C1

FIELD: domestic sewing machines. SUBSTANCE: modular unit has casing incorporating needle carrier frame and grip rod with device for manual lifting thereof. Rod is mounted in detachable bearings equipped with spherical bushings. Casing serves as bearing base and upper bearing cover serves as support for needle carrier spherical bushing and support for frame rocking axis. Lower bearing cover serves as frame guide. Upper thread tightening regulator is mounted on additional rocking axis support. Modular unit is mounted in front part of sewing machine by means of prismatic guide allowing modular block to be regulated with respect to slot in needle plate. EFFECT: simplified construction and increased efficiency. 5 cl, 8 dwg

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RU 2 215 840 C1

Authors

Umjarov R.K.

Komarenko G.A.

Zakharov A.V.

Nikitin V.A.

Trantina T.I.

Tsaplin V.M.

Obozov V.A.

Dates

2003-11-10Published

2002-07-17Filed