an ada compliant vending machine ensures provides a user control for entering an ada mode , and displays all user - actuated vend transaction controls below a first specified height when operating in the ada mode . a delivery bucket surface on which vended products are supported moves between a lowered position below a second specified height and a raised position above the second specified height in coordinate operation with opening of the delivery bin door . products are dropped below the second specified height during delivery but are raised above that height for customer retrieval . mechanical force required to open the delivery bin door is less than five pounds , even with closing of anti - pilfer flaps also being coordinated with opening of the delivery bin door .