GB303119A - Improvements in electric shuttle-operating devices for power looms - Google Patents

Abstract

303,119. Jasicek, A., and Polnauer, F. Dec. 28, 1927, [Convention date]. No Patent granted (Sealing fee not paid). Picking-motions; checking shuttles; shuttles.- The shuttle R is actuated by a travelling magnetic field produced by three-phase or polyphase windings N arranged along or at each end of the shuttle race E which is formed as a laminated iron core, the currents being controlled by a commutator driven by the loom S in conjunction with a reversing switch in such a manner that the incoming shuttle is checked by the field. The shuttle, which is mounted on rollers, is made entirely of iron or of an iron casing enclosing a squirred cage Cu.