# US 11,440,661 B2 · Emergency vision device using spring wire loops > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,440,661 B2 - Document ID: US11440661B2 - Status: Granted - Kind: B2 - Application number: 16/138,191 - Filed: 2018-09-21 - Published: 2019-04-04 - Granted: 2022-09-13 - Earliest claimed: 2017-10-04 - Applicants: Alexander K. Werjefelt - Inventors: Alexander K. Werjefelt - Web page: https://patentgrep.com/patent/US11440661B2 ## CPC - B64D 11/00: Passenger or crew accommodation; Flight-deck installations not otherwise provided for - B64D 45/00: Aircraft indicators or protectors not otherwise provided for - A62B 99/00: Subject matter not provided for in other groups of this subclass - B64D 25/00: Emergency apparatus or devices, not otherwise provided for - B64D 2231/025: Oxygen masks; Mask storages; Features related to mask deployment - B64D: EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT - A62B: DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING (valves specially adapted for medical use A61M39/00; life-saving devices, apparatus or methods specially adapted for use in water B63C9/00; divers' equipment B63C11/00; specially adopted for use with aircraft, e.g. parachutes, ejector seats, {B64D17/00, B64D25/10}; rescue devices peculiar to mining E21F11/00) ## Abstract An emergency vision device includes an enclosed housing having a first end and a second end; first and second clear members disposed at the first and second ends, respectively; the housing including a plurality of wall panels joined side-to-side, the wall panels being foldable; and a loop of spring wire is operably associated with each of at least two of the wall panels. ## Claims ### Claim 1 An emergency vision device, comprising: a) an enclosed first housing having a first end and a second end; b) first and second clear members disposed at the first and second ends, respectively; c) the first housing including a plurality of wall panels joined side-to-side, the wall panels being foldable; and d) a loop of spring wire is operably associated with each of at least two of the wall panels. ### Claim 2 (depends on 1) The emergency vision device as in claim 1, wherein: a) each of the at least two of the wall panels includes a peripheral edge; b) a sleeve disposed along the peripheral edge; and c) the loop of spring wire is disposed inside the sleeve. ### Claim 3 (depends on 1) The emergency vision device as in claim 1, wherein: a) the first housing is collapsible with an expanded form and a compact form; and b) a filter operably associated with the first housing to filter the ambient atmosphere and fill the interior of the first housing when the first housing is expanded to the expanded form. ### Claim 4 (depends on 1) The emergency vision device as in claim 1, wherein the first housing is tubular. ### Claim 5 (depends on 4) The emergency vision device as in claim 4, wherein the first housing is tapered. ### Claim 6 (depends on 1) The emergency vision device as in claim 1, wherein the first housing has four wall panels. ### Claim 7 (depends on 1) The emergency vision device as in claim 1, wherein the first and second clear members are rigid. ### Claim 8 (depends on 1) The emergency vision device as in claim 1, wherein one of the wall panels is made of filter material. ### Claim 9 (depends on 1) The emergency vision device as in claim 1, wherein a portion of one of the wall panels is made of filter material. ### Claim 10 (depends on 1) The emergency vision device as in claim 1, wherein one of the wall panels is clear. ### Claim 11 (depends on 10) The emergency vision device as in claim 10, wherein: a) one of the wall panels includes a clear member; and b) a pocket operably attached to the ckear member of the one of the wall panels. ### Claim 12 (depends on 1) The emergency vision device as in claim 1, wherein handle straps are disposed at a distal end of the first housing from a user. ### Claim 13 (depends on 1) The emergency vision device as in claim 1, wherein the first end is conformable to a windshield of a cockpit. ### Claim 14 (depends on 1) The emergency vision device as in claim 1, wherein the first end is conformable to a front face of an instrument panel. ### Claim 15 (depends on 1) The emergency vision device as in claim 1, wherein the first housing is hand-held. ### Claim 16 (depends on 1) The emergency vision device as in claim 1, and further comprising: a) an enclosed second housing having a third end and a fourth end; b) third and fourth clear members disposed at the third and fourth ends, respectively; c) the second housing including a plurality of wall panels joined side-to-side, the wall panels being foldable; d) a loop of spring wire is operably associated with each of at least two of the wall panels of the second housing; e) the first housing is disposed above the second housing; f) the first end is conformable to a windshield of a cockpit; and g) the third end is conformable to a front face of an instrument panel. ### Claim 17 An emergency vision device, comprising: a) an enclosed housing having a first front end, a second front end and rear end; b) first and second clear members disposed at the first and second front ends, respectively, and a third clear member disposed at the rear end; c) the housing including a first section operably associated with the first and third clear member to allow the user to see outside through a windshield; d) the housing including a second section operably associated with the second and third clear members to allow the user to view an instrument panel; e) the first section and the second section each including a plurality of wall panels joined side-to-side; and f) a loop of spring wire is operably associated with each of at least two of the wall panels of the respective first section and the second section. ### Claim 18 (depends on 17) The emergency vision device as in claim 17, wherein: a) each of the at least two of the wall panels includes a peripheral edge; b) a sleeve disposed along the peripheral edge; and c) the loop of spring wire is disposed inside the sleeve. ### Claim 19 (depends on 17) The emergency vision device as in claim 17, wherein the wall panels are foldable. ### Claim 20 (depends on 17) The emergency vision device as in claim 17, wherein: a) the housing is collapsible with an expanded form and a compact form; and b) a filter is operably associated with the housing to filter the ambient atmosphere and fill the interior of the housing when the housing is expanded to the expanded form. ### Claim 21 (depends on 17) The emergency vision device as in claim 17, wherein one of the wall panels is made of filter fabric material. ### Claim 22 (depends on 17) The emergency vision device as in claim 17, wherein a portion of one of the wall panels is made of filter fabric material.