through a yarn feeder on the carriage y the take up device z includes an assembly 4 removably mounted on the top end of a support rod 2 which extends uprightly and is removably mounted on the machine body x and a pair of take up springs 3 carried on said assembly 4 the support rod 2 is removably mounted on a stand 5 on a control board x 2 on the machine body x by inserting the lower end of the rod 2 in a socket 6 provided at the top of the stand 5 as shown in detail in fig2 a flexible connection cable or cord 7 having therein a plurality of separate electric conductors or wires is provided with plugs 8x and 8y at its respective ends the plugs 8x and 8y are matingly connectable respectively to a jack 9x fixed to the stand 5 and to a jack 9y provided on an upper cover 10 of the carriage y when thus connected cable 7 electrically connects electric circuit means not shown such as a power source or a drive or controller circuit means on the machine body x with other electric circuit means not shown such as an electromagnet of an electro mechanical needle selection means on the carriage y as illustrated in fig1 and 2 portions of the cord 7 are carried along the support rod 2 which is employed as a suspending means and are hung down loosely from the suspending rod 2 and from a lever 34 a 34 mounted on the rod 2 the cord 7 is directly gripped by the lever 34 a 34 as further illustrated and described in fig3 through 5 the lever 34.