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I'm not interested in this question per se, however I am interested in vending machine design. It is only recently that some vending machines are able to take m

I'm not interested in this question per se, however I am interested in vending machine design. It is only recently that some vending machines are able to take my money AND dispense my purchase (soda pop) fairly near waist level (3-4ft from the ground). However, the change dispenser of this machine is still less that 12" from the ground meaning serious bending over or kneeling to obtain the change. Why cannot change be dispensed at the same height as money in and product out - especially if there is a separate dispenser for it?

VengefulCynic 16y ago
The design for the change dispenser is predicated on the same design principle as the soda dispenser: maximize the storage for items to be dispensed and utilize gravity to do the dispensing. If you move the slot up, you either change the dispensing mechanism or you reduce the quantity stored.