| 摘要 |
There is disclosed selective printing apparatus comprising a stationary support, a drive wheel having both notches and knurling at its peripheral surface, and a printing band having a printing section and a non-printing human readable section the printing section having printing characters at its outer surface, and the human readable section having corresponding human readable indicia on its outer surface and lugs on its underside cooperable with the notches in the wheel. In one embodiment the printing section has knurling on its underside cooperable with the knurling on the wheel. In other embodiments, knurling on the wheel is cooperable with the smooth underside of the printing section.
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