Patent ID: 7147016

Claim:
A balloon inflation device for use with a key weight and a balloon to be filled with gas, the balloon having a neck, the balloon inflation device comprising: a source of pressurized gas; a first gas feed line communicating between said source of pressurized gas and a first valve; a second gas feed line connected between said first valve and a second valve, wherein the opening of said first valve opens a passage between said first gas feed line and said second gas feed line through said first valve; a gas fill line communicating between said second valve and an inflation nozzle that selectively receives the neck of the balloon to communicate with the interior of the balloon; a key weight receptacle that selectively receives the key weight, with receipt of the key weight opening a valve selected from said first valve and said second valve; and a clamp mechanism selectively manipulated to seal against said inflation nozzle, with such selective manipulation also opening the other of said first valve and said second valve that is not opened by receipt of the key weight in the key weight receptacle.