CHANGEOVER TONGUE PIECE DRIVING DEVICE IN TRANSPORTER FOR LETTER, ETC. AND CHANGEOVER DEVICE WITH SUCH DRIVING DEVICE

摘要

Switching device arranged to control the movement of postal items into one or other of two alternative directions, comprising a switch tongue (4) which is capable of pivoting between two fixed stops and which can be driven via a slipping clutch (11) by an electro-motor (10) having a very small mass moment of inertia and a very large starting couple.