Anti-stringing device for a coin acceptor

Details Anti-stringing device for a coin acceptor Anti-stringing device for a coin acceptor

1994-06-06

1996-04-30

Bartuska, F. J.

Check-actuated control mechanisms

With additional, disparate means preventing fraudulent...

Means preventing use of tethered check

194349, G07F 104

Patent

active

055116450

ABSTRACT:
A coin acceptor comprises a main plate and a side plate which together define a coin path for allowing the passage of coins therebetween. A slot is positioned between the main plate and the side plate for catching any strings that may be attached to coins. Barbs are provided inside the slot for retaining the strings. The width of the slot is smaller than the thickness of the smallest coin and is so arranged that, when a string attached to a coin is tightened, the string is moved into the slot. An acceptance and a rejection channel are positioned downstream from the coin path. The acceptance channel has an additional slot for catching strings. First and second coin sensors are positioned adjacent the acceptance channel. If the first sensor detects the presence of a coin after the second sensor has already detected the same coin, then it is likely that a string is being used to manipulate the coin acceptor and the generation of a credit signal is disabled.

REFERENCES:
patent: 771349 (1904-10-01), Buck
patent: 2932374 (1960-04-01), Nicolaus
patent: 3998309 (1976-12-01), Mandas et al.
patent: 4128157 (1978-12-01), Henville
patent: 4542817 (1985-09-01), Paulson
patent: 4546868 (1985-10-01), Gregory

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