Deposit and collection receptacles – Closures and chutes – Coin trap
Reexamination Certificate
2000-05-19
2001-10-30
Dayoan, B. (Department: 3628)
Deposit and collection receptacles
Closures and chutes
Coin trap
C232S064000, C232S00100D, C194S350000
Reexamination Certificate
active
06308885
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
A coin-operated vending machine of the type including a coin tray disposed adjacent the coin receiver.
2. Description of the Prior Art
A coin-operated vending machines typically include a switching device having a coin receiver and responsive to metallic coins inserted into the coin receiver for actuating a dispenser. Some machines include a coin tray disposed adjacent the coin receiver for storing coins for use in the machine. An example of such a machine is disclosed in U.S. Pat. No. 4,846,333 to Kissick.
Some coin-operated vending machines are used in open air environments, which can be very hostile, as in the winter in the northern United States. An example of such a machine is disclosed in U.S. Pat. No. 5,857,417 to Hart wherein a coin-operated machine dispenses air in a gasoline station. Such coin-operated vending machines are also used to dispense water in self serve car washes. Using coins in such cold environments to dispense water can be troublesome if the temperature is below freezing.
SUMMARY OF THE INVENTION AND ADVANTAGES
A coin operated vending machine comprising a switching device having a coin receiver and responsive to metallic coins inserted into the coin receiver for actuating a dispenser and a coin tray disposed adjacent the coin receiver. The machine is characterized by a heater for heating the coin tray to heat coins disposed in the coin tray.
Accordingly, the subject invention provides a solution to the problem of coins having ice thereon in below freezing temperatures.
REFERENCES:
patent: 2821321 (1958-01-01), McQuiston et al.
patent: 4579214 (1986-04-01), Volk
patent: 4638908 (1987-01-01), Baitz et al.
patent: 4757941 (1988-07-01), Hosterman et al.
patent: 4846333 (1989-07-01), Kissick
patent: 5211275 (1993-05-01), Halsey et al.
patent: 5554070 (1996-09-01), Takatoshi et al.
patent: 5857417 (1999-01-01), Hart
patent: 5941454 (1999-08-01), Hosterman
Dayoan B.
Howard & Howard
Miller William L.
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