(under subclass 249) Subject matter wherein the drive mechanism includes an oscillated or reciprocated mechanical input, e.g., a lever, pull cord, etc., acting through a unidirectional device, e.g., a pawl and ratchet, to cause winding.
SEE OR SEARCH CLASS
74, Machine Element or Mechanism,
25+, and 812 for details of a related mechanical movement.
254, Implements or Apparatus for Applying Pushing or Pulling Force,
217+, and 352+ for a haulage drum driven by a ratchet wheel and driving pawl.
