locating means 32 to be disengaged from the pin 184 and removed from the machine it will therefore be apparent that fig5 a shows a locating means 32 in engagement with the machine whereas fig5 b shows the locating means 32 disengaged and about to be removed from the machine locating means 32 can be made preferably by molding from any of a number of well known plastic materials fig6 shows a cross sectional view of the end of the locator means 187 taken along line 6 6 shown in fig5 b there it is seen how a leader 36 fits snugly within the end of the locator means 187 and how the ribbon 20 is carried therewithin separated from the bulk of the leader by bumps 201 it will be understood that since all the parts involved may desirably be made out of a relatively flexible plastic material it is a comparatively straightforward matter of design to design the end of the locator means 187 and the leader 36 so that these parts are a press fit together if such is desired in other circumstances it may be desirable to adhesively bond these parts together or perhaps even to use a screw rivet or the like fig7 shows a second cross sectional view of the.