Parkway Machine Corporation

Murray R Kovens

A universal, convertible coin receiving mechanism for a coin-operated bulk vending machine has an insert removably attached to the coin wheel. The insert alters the coin compatibility of the coin receiving mechanism by permitting dimensional modification of the coin channel.

Universal coin receiving mechanism

A barrel lock includes a circumferential axial pin tumbler arrangement housed in the barrel. A removable pilot post is disposed among the tumblers and has key-guides which register with mating key-guides on an actuating key. To change the lock combination, the lock can be reassembled with the pilot post located in a new rotational orientation relative to the tumbler arrangement. A particular application includes locking merchandise compartments in vending machines, for example.

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Whitehall, MD, United States of America

Murray R Kovens