Patent ID: 6715638
Filing Date: 2004-04-06
Classification: A47G,B65G

Abstract:
A pneumatic mail delivery system, comprising:a carrier defining first and second open ends for receiving contents therethrough, said carrier having first and second covers for selectively closing said first and second open ends, respectively; a first carrier terminal having a first front panel defining a first opening, said first carrier terminal including a first door hingedly mounted to said first front panel for selectively closing said first opening; first means mounted to said first carrier terminal for sensing a closure of said first door; a second carrier terminal having a second front panel defining a second opening, said second carrier terminal including a second door hingedly mounted to said second front panel thereof for selectively closing said second opening; second means mounted to said second carrier terminal for sensing a closure of said second door; an elongate pneumatic conduit interconnecting said first and second terminals and defining an internal space within which said carrier is guided between said first and second carrier terminals; means for exerting a force on said carrier so as to convey said receptacle from said first carrier terminal to said second carrier terminal upon said first sensing means sensing a closure of said first door and from said second carrier terminal to said first carrier terminal upon said second sensing means sensing a closure of said second door.