US PATENT SUBCLASS 400 / 221.1
.~.~.~ And gears mounted on ends of axially shiftable common shaft

Current as of: June, 1999
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400 /   HD   TYPEWRITING MACHINES

191  DF  INCLUDING INTERPOSED INKING DEVICE (E.G., RIBBON) FOR RECORD-MEDIUM {15}
218  DF  .~ Ribbon-reversing mechanism {4}
221  DF  .~.~ Alternative gear drive including gear directly connected to spool or spindle {2}
221.1.~.~.~ And gears mounted on ends of axially shiftable common shaft

DEFINITION

Classification: 400/221.1

And gears mounted on ends of axially shiftable common shaft:

(under subclass 221) Subject matter wherein a first driving wheel is secured to one extremity of a rod having an elongated dimension and a second driving wheel is secured to the opposite extremity of the same rod, the rod being shiftable in opposite directions parallel to the elongated

dimension of the rod to either engage the first driving wheel with the first driven wheel or to engage the second driving wheel with the second driven wheel.