Coin mechanism of simplified construction and method of coin...

Details Coin mechanism of simplified construction and method of coin... Coin mechanism of simplified construction and method of coin...

2005-06-07

2005-06-07

Walsh, Donald P. (Department: 3653)

Check-actuated control mechanisms

Including means to test validity of check

Having means to test size

C194S327000

Reexamination Certificate

active

06902050

ABSTRACT:
The validity of a coin is tested in a coin mechanism typically used for vending products. A test arm which is integrally and resiliently connected to a back plate contacts a coin when the coin wheel is rotated, and the test arm resiliently deflects in response to contact with the characteristic of the coin tested. The validity of the coin is established by the degree of movement of the test arm. More than one test arm functions to test different characteristics of the coin to establish validity and the prevent illegitimate dispensing of products. When a coin is not present, the test arm is not deflected to maintain its resiliency characteristics. Preferably the coin mechanism is assembled from a relatively few injection molded durable plastic parts.

REFERENCES:
patent: 693157 (1902-02-01), Roebuck et al.
patent: 2091232 (1937-08-01), Vogel et al.
patent: 5339937 (1994-08-01), Bolen
patent: 5657848 (1997-08-01), Schwarzli

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