Iris mechanism

Details Iris mechanism Iris mechanism

1987-06-03

1989-02-14

Marmor, Charles A.

Article dispensing

With discharge assistant

Multiple, simultaneously acting and circumposed

221241, 221251, 221297, 221304, B65G 5906

Patent

active

048041084

ABSTRACT:
An iris mechanism for preventing unauthorized removal of containers from apparatus for dispensing containers, such as cups. The apparatus separates and releases a single container from a stack of containers. The iris mechanism defines a central opening through which a released container must pass. The size of the opening may be changed between a closed position wherein the opening is smaller than the largest diameter of a cup to be dispensed by the apparatus and an open position wherein the opening is at least as large as the largest diameter of a cup to be dispensed.

REFERENCES:
patent: 2489096 (1949-11-01), Lime
patent: 2852899 (1958-09-01), Murrell
patent: 2893598 (1959-07-01), Reynolds et al.
patent: 3927799 (1975-12-01), Tindley
patent: 4426017 (1984-01-01), Ficken et al.

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