Coin returning mechanism, applicable to public modular telephones

A coin return mechanism especially useful for use in a pay telephone or other coin-operated device, the mechanism comprising:

• a) a coin return box;
• b) an access door for granting access to the coin return box;
• c) a cam that moves integrally with the access door;
• d) a square shaft on which the access door and cam rotate out of a rest position when the access door is pushed, and on which the access door and cam rotate into the rest position when the access door is not pushed;
• e) a small wheel that rolls on the cam;
• f) a prismatic part having fork arms;
• g) a shaft that passes through the fork arms to support and rotate with the prismatic part;
• h) a pusher including a square-section rod having a first end and a second end, wherein:
• 1) the first end is bent at a 70.degree. angle and has a recess for supporting the small wheel and allowing the small wheel to roll on the cam;
• and
• 2) the second end has a hole for receiving the shaft and allowing the shaft to rotate;
• i) a pusher bracket with a metallic rectangular part and two wings with two respective drilled holes for fixing the metallic rectangular part to the pay telephone or other coin-operated device, the pusher bracket including a "U"-shaped fold into which the square-section rod fits;
• j) a spring, fastened between the prismatic part and the second end of the square-section rod;
• and
• k) a coin inserting module normally allowing insertion of a coin, but which insertion may be prevented through action of the access door and pusher acting on the coin inserting module.