发明名称 Sewing machine stitch length override and feed balance for digital feed actuators
摘要 A sewing machine is disclosed wherein positioning of the work feeding regulator is controlled by a digital actuator responsive to digital signals applied thereto. The positioning of the work feeding regulator is thereby adjustable in discrete increments. A manual override and feed balance mechanism is provided for effecting continuous positioning of the work feeding regulator.
申请公布号 US4167912(A) 申请公布日期 1979.09.18
申请号 US19770846880 申请日期 1977.10.31
申请人 THE SINGER COMPANY 发明人 SEDLATSCHEK, ROBERT L.;PORTER, OSWALD M.;DAVIDSON, DONALD R.
分类号 D05B27/02;D05B27/22;(IPC1-7):D05B3/04 主分类号 D05B27/02
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