Possible Clues:

• Municipal coin collector
• Standard chess piece encountered Queen once? Here's not a place to stay indefinitely
• Evidence that time is money?
• One fed by motorist
• By the way, what is a money box?
• One gets fed up if it's necessary to stay some time
• One used to avoid getting the ticket
• It's fed by saloons on gingerbread tree that's doubly modified
• Coin-in-slot timer
• Roadside charger