US PATENT SUBCLASS 400 / 236
.~.~ Drive applied directly to spool or spool spindle

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}
223  DF  .~ Ribbon-feeding mechanism {13}
236.~.~ Drive applied directly to spool or spool spindle {2}
236.1  DF  .~.~.~> By a pawl driving a ratchet on the spool or spindle
236.2  DF  .~.~.~> By a gear driving a gear on the spool or spindle

DEFINITION

Classification: 400/236

Drive applied directly to spool or spool spindle:

(under subclass 223) Subject matter wherein one end of the ribbon* is attached to a cylindrical member, and wherein the ribbon is moved past the print-point* by rotating the member about its axis to wind the ribbon in convolutions thereon, said member being rotated by a motion-transmitted mechanism, and said mechanism including a component rigidly secured to the cylindrical member.