Visible product vending machine

Claim 1

IN A VENDING MACHINE, A HOUSING PROVIDED WITH A PLURALITY OF VERTICALLY SPACED DELIVERY OPENINGS AND SWINGABLE DOORS NORMALLY BLOCKING EACH OF SAID OPENINGS; A CYLINDRICAL DISPLAY DRUM MOUNTED WITHIN SAID HOUSING, ROTATABLE ABOUT A VERTICAL AXIS AND HAVING A SERIES OF RADIALLY DISPOSED PRODUCT COMPARTMENTS FOR EACH OF SAID OPENINGS, THE COMPARTMENTS OF EACH OF SAID SERIES BEING SUCCESSIVELY REGISTRABLE WITH A CORRESPONDING OPENING AS THE DRUM IS ROTATED; MECHANISM CONNECTED WITH SAID DRUM FOR CONTINUOUSLY ROTATING THE LATTER; SELECTIVELY ACTUABLE COMPONENTS ASSOCIATED WITH SAID MECHANISM FOR INACTIVATING THE LATTER SUBSTANTIALLY IMMEDIATELY UPON ACTUATION OF SAID COMPONENTS AND INTERRUPTING ROTATION OF SAID DRUM, SAID COMPONENTS INCLUDING PARTS FOR DELAYING INTERRUPTION OF ROTATION OF SAID DRUM UPON ACTUATION OF SAID COMPONENTS UNTIL THE COMPARTMENTS IN CLOSEST PROXIMITY TO RESPECTIVE OPENINGS AT THE TIME OF ACTUATION OF SAID COMPONENTS ARE IN EXACT REGISTRATION WITH THE OPENINGS; AND MEANS COUPLED WITH SAID DOORS FOR PREVENTING MOVEMENT OF ANY OF THE SAME TO POSITIONS UNBLOCKING CORRESPONDING OPENINGS EXCEPT UPON ACTUATION OF SAID ACTUATABLE COMPONENTS TO EFFECT CESSATION OF ROTATION OF SAID DRUM.