(under subclass 506) Device including means for rotating the carrier in a step-by-step motion to expose the items which means includes (1) a first means for applying torque to the carrier to rotate the carrier about its axis to selected loci, and (2) a second means to then prevent further rotation of the carrier at such loci until such time as the first means is again actuated.
(1) Note. See (1) Note under subclass 496 for clutch take-up devices.
SEE OR SEARCH CLASS
74, Machine Element or Mechanism,
813+, for a clutch take-up mechanism, per se, which may be used to index a member in step-by-step rotation.