Check-actuated control mechanisms – Control mechanism responsive to plurality of checks – Check prevents locking of part by detent
Patent
1990-03-12
1991-12-10
Bartuska, F. J.
Check-actuated control mechanisms
Control mechanism responsive to plurality of checks
Check prevents locking of part by detent
194292, 221 75, G07F 504, G07F 1136
Patent
active
050709860
ABSTRACT:
A vending device for vending machines comprises a spiral coil connected to a coin-operated mechanism that allows rotation thereof and the connected coil when predetermined coins have been inserted into the mechanism. The loops making up the coil comprise closely spaced neighboring loops, remote from the mechanism, capable of supporting and transporting product to be vended as the coil is rotated, and distantly spaced neighboring loops, incapable of supporting the product. As the coil is turned, product is transported toward the mechanism until it reaches the distantly spaced loops where it drops from the spiral into a chute accessible by the purchaser. The mechanism is rotated by coin receivers that are blocked from rotating by spring-urged pawls unless predetermined coins have been inserted therein, or unless disabling tabs are interposed between the receivers and the pawls. Interposition of appropriate tabs permits price changes to be effected by preventing the pawls from stopping the rotation of coin receivers thus disabled.
REFERENCES:
patent: 1673709 (1928-06-01), Reid et al.
patent: 3840147 (1974-10-01), O'Neal et al.
patent: 3935966 (1976-02-01), Pitel et al.
patent: 4436194 (1984-03-01), Hanley
patent: 4744490 (1988-05-01), Albright et al.
Crawley Charles P.
Hoffman Arlan J.
Bartuska F. J.
Hochberg D. Peter
Hoffman Arlan J.
Kusner Mark
Weisz Louis J.
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