| 摘要 |
<p>The present computer-controlled electric sewing machine wherein the rotational speed of the central drive motor (M) is servo-controlled by means of a regulating circuit (O, CL, Cs) including a tachymetric control generator (G) has a mechanism for driving a support of a cop (C) to be reeled, comprising the assembly of structural elements of the generator (G), a double-acting clutch device (EA) enabling mechanical connection of the rotor of the generator (G) either to the central motor (M) or to the cop support, electric switch means (IE, IG) providing for in the latter case the connection of the armature of the generator (G) to an electric supply source (A) while preventing current from being supplied to the central control motor (M) of the machine.</p> |
