| 摘要 |
<p>There is disclosed a printing band print head having a one piece, dimensionally accurate, mounting block with integral end plates, the mounting block having a cradle for rotatably supporting drive wheels, printing bands with long printing characters and short human readable characters, a selector cooperable with any selected drive wheel, the selector being easy to assemble and including a knob connected to a selector shaft, an indicator axially shiftable as a unit with the selector, the selector shaft being rotatable with respect to the indicator, a sleeve on the shaft, and the sleeve having detent means and driver means. Printing bands coupled to the drive wheels pass about direction changing means and a support.</p> |
