Paper currency receiving system for a ticket vendor or the like

A paper currency receiving system comprising a paper currency take-up unit adapted for taking up paper currency inserted therein, a paper currency verification unit mounted in said paper currency take-up unit at a bottom side and adapted for verifying authenticity of paper currency inserted in said paper currency take-up unit, and a paper currency storage cabinet mounted on said paper currency take-up unit at a back side and adapted to collect paper currency from said paper currency take-up unit, wherein:

• said paper currency take-up unit comprises a top chamber, said top chamber comprising a top panel and a button hole in said top pan, and a lock installed in said button hole and adapted for locking/unlocking said paper currency storage cabinet, said lock comprising a spring member mounted inside said top chamber, a latch block supported on said spring member and forced by said spring member to lock said paper currency storage cabinet, and a control button for operation by the user to move said latch block backwards from said paper currency storage cabinet, said latch block comprising a top coupling hole and a beveled guide face disposed in said top coupling hole, said control button having two bottom hooks inserted through said button hole and hooked in the top coupling hole of said latch block and stopped at said beveled guide face.