US Patent 10197268 Self extinguishing torch canister

A self extinguishing torch mechanism has a stationary tube with an opening at an upper end thereof, and a wick tube concentrically rigidly affixed inside the stationary tube defining a space therebetween. A sliding tube is situated coaxially around wick tube the within the space defined between the wick tube and stationary tube. A biasing member extends the sliding member through the opening at the upper end of the stationary tube when the stationary tube is overturned.