Carriage 1 of type wheel 2 has four grooved sheaves 3 which ride along rule 4. Motion is transmitted to type wheel 2 by meshing bevel gears 5 and 6. Gear 5 can slide along shaft 7. Carriage travel is controlled by cable 8 which runs over a drum rigidly attached to and located behind paper strip feeding ratchet wheel 9. Printing electromagnet 10, performing the printing action, raises horizontal lever 11 when armature 15 of the electromagnet moves downward. Lever 11 is raised by means of fork 12 mounted on rotating shaft 13. When electromagnet 10 is demagnetized, coil spring 14 pulls lever 11 downward so that pawl a turns wheel 9 through an angle corresponding to one tooth. This advances carriage 1 a distance equal to one letter.
$3590$CFL,FD$