Article dispensing – Plural sources – stacks or compartments
Patent
1977-06-13
1979-07-24
Rolla, Joseph J.
Article dispensing
Plural sources, stacks or compartments
221130, 312198, G07F 1102
Patent
active
041620267
ABSTRACT:
The invention relates to a locking mechanism for interlocking two units, which is tamper proof and which requires locking the otherwise accessible parts of one of the units before the other can be locked, and in which locking the other unit automatically locks the one unit.
REFERENCES:
patent: 506756 (1893-10-01), Westphal
patent: 772533 (1904-10-01), Reardon
patent: 2220175 (1940-11-01), Rice
patent: 3142522 (1964-07-01), Hall et al.
Friedman Evelyn
Jacobs Philip F.
Southall Peter
E. B. Metal & Rubber Industries, Inc.
Rolla Joseph J.
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