interlock lever is not interlocked thus when the gear is substantially turned for one turn the cam part 9a is again contacted with the working element 10 1 to turn off the micro switch 10 whereby the interlock lever 11 is returned by the force of the spring in the direction of the arrow h accordingly the lever 6 is interlocked when the free travelling ring 7 is turned through a small angle it reaches beyond the minimum deviation point whereby the free travelling ring 7 is automatically detached from the capstan 4 to prevent power transmission in this embodiment the power transmission is given to the free travelling ring 7 by the capstan 4 however it is possible to provide the power transmission in a similar manner through another rotary shaft driven by a capstan motor in another embodiment of an automatic player according to this invention when the gear 9 is turned to stop for each 90 degrees in each pulse input to the electromagnetic plunger 12 the same object can be attained by providing four equiangularly disposed cams 9a referring now to fig3 and 4 the embodiment will be described a plurality of apertures 27a 27b are formed on the upper surface of a container for the cartridges five apertures only are shown and the other dotted line 27f designates other apertures the container 27 is slidably supported on guide grooves not shown to move to the right and left as shown the.