For example, tickets are printed or magnetized on the spot, and coffee is freshly concocted. After a sale the door automatically returns to a locked position.
One of the most common form of vending machine, the snack machine, often uses a metal coil which when ordered rotates to release the product. A customer could open the box and take all of the newspapers or, for the benefit of other customers, leave all of the newspapers outside of the box, slowly return the door to an unlatched position, or block the door from fully closing, each of which are frequently discouraged, sometimes by a security clamp.
The lever opened a valve which let some water flow out.
In Germany, Austria, Italy, Czech Republic and Japan, cigarette machines are still common.
In 1893, Stollwerck, a German chocolate manufacturer, was selling its chocolate in 15,000 vending machines.
It set up separate companies in various territories to manufacture vending machines to sell not just chocolate, but cigarettes, matches, chewing gum and soap products. The idea of adding games to these machines as a further incentive to buy came in 1897 when the Pulver Manufacturing Company added small figures, which would move around whenever somebody bought some gum from their machines.
Some unique food vending machines exist that are specialized and less common, such as the French fry vending machine and hot pizza vending machines, such as Let's Pizza.
The profit margins in the bulk candy business can be quite high – gumballs, for instance, can be purchased in bulk for around 2 cents per piece and sold for 25 cents in gumball machines in the U. Gumballs and candy have a relatively long shelf life, enabling vending machine operators to manage many machines without too much time or cost involved.