Patent ID: 7583455

Claim:
An emergency vision device, comprising: a) a collapsible main tube made of airtight material having an expanded form and a deflated stowage form; b) first and second clear members disposed at respective first and second ends of said main tube to enable a user to see through said main tube and observe a source of information at a distal end of said tube while smoke or other particulate matter is in the environment; c) a filter disposed on said main tube to filter the ambient atmosphere and fill the interior of said main tube with clear air when said tube is expanded to its expanded form; d) a network of tubes attached to said main tube; e) a portable gas cylinder having compressed gas; f) a valve assembly connected to said gas cylinder and having an outlet operably connected to the interior of said network of tubes; g) said valve assembly being operable to release said gas to fill the interior of said network of tubes to expand said main tube to said expanded form, thereby drawing ambient air through said filter into said main tube; h) a hollow handle operably secured to said main tube; and i) said cylinder is disposed within said handle.