US PATENT SUBCLASS 400 / 221.2
.~.~.~ And gears mounted on ends of pivoted 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}
221.2.~.~.~ And gears mounted on ends of pivoted common shaft


DEFINITION

Classification: 400/221.2

And gears mounted on ends of pivoted 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 movable about an axis perpendicular to its elongated dimension to either engage the first driving wheel with the first driven wheel or to engage the second driving wheel with the second driven wheel.