Control device for universal electric motors (Machine-translation by Google Translate, not legally binding)

摘要

Control device for universal electric motor, of the series excitation type, which equips in particular a sewing machine, characterized in that it has a switch with a rest position, in which the self-braking coupling is established by branch of the inductors in the armature terminals, at least one working position in which the motor is powered, said switch being maneuverable to said working position in opposition to resilient elastic means constantly tending to bring it back to said rest position. (Machine-translation by Google Translate, not legally binding)