A small, specialized lock secures access to the coin box and, occasionally, the dispensing mechanism of a typical gumball vending machine. This lock commonly employs a flat key, often tubular or a variation thereof, to control access. Its purpose is to prevent unauthorized individuals from retrieving the accumulated coins or tampering with the machine’s operation.
This security measure is essential for the owner or operator to protect their revenue and ensure the machine’s integrity. Historically, simpler locks were used, making them susceptible to picking or bypass. Modern mechanisms offer increased security, contributing to the continued viability of gumball machines as a small-scale vending enterprise. Effective safeguarding against unauthorized access provides peace of mind for owners and helps maintain the machine as a reliable source of revenue or entertainment.