Printer with rotary print wheels

Claim 1

A PRINTER COMPRISING A FRAME, A COUNTER HAVING A WHEEL SUPPORTING SHAFT MOUNTED ON THE FRAME AND A PLURALITY OF COAXIAL COUNTER WHEELS MOUNTED ON THE SHAFT WITH ANGULARLY SPACED PERIPHERAL PRINTING CHARACTERS ON THE PERIPHERY THEREOF ADAPTED FOR BEING INDEXED TO AXIALLY ALIGNED PRINTING POSITIONS BY ROTATION OF THE COUNTER WHEELS; A HAMMER ASSEMBLY COMPRISING A PLURALITY OF INDIVIDUAL AXIALLY ALIGNED HAMMERS FOR THE PRINT WHEELS RESPECTIVELY HAVING TAILEND PORTIONS RIGIDLY SECURED TO THE FRAME, HEAD PORTIONS WITH HAMMER FACES COOPERABLE WITH THE RESPECTIVE PRINTING CHARACTERS IN THE AXIALLY ALIGNED PRINTING POSITIONS FOR PRINTING, AND RESILIENT ARM PORTIONS INTERMEDIATE THE TAIL AND HEAD PORTIONS PROVIDING FOR RESILIENT WITHDRAWAL OF THE HEAD PORTIONS FROM UNSTRESSED POSITIONS SPACED FROM THE PRINTING CHARACTERS IN THE AXIALLY ALIGNED PRINTING POSITIONS FOR STORING MOTIVE POWER FOR INDEPENDENT OPERATION OF THE HAMMERS FOR PRINTING, AND MEANS FOR WITHDRAWING THE HAMMERS FROM THEIR UNSTRESSED POSITIONS FOR STORING MOTIVE POWER FOR PRINTING.