The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 24, 1985
Filed:
Feb. 13, 1984
Harold H Levine, Northridge, CA (US);
Peter P Kavaloski, Los Angeles, CA (US);
Thomas K Hale, Glendale, CA (US);
Lockheed Corporation, Burbank, CA (US);
Abstract
The invention is a smoke mask and oxygen mask combination that can be coupled together so that protection from toxic fumes and supplemental oxygen gas can be provided to the passenger during a concurrent fire and decompression aboard an aircraft. A protrusion 70' of a smoke mask 26' is provided with a flat surface 230 which is adapted to mate with an internal flat surface 234 of an oxygen mask 200' providing alignment of an oxygen inlet valve 210, vent valve 206 and cabin air inlet valve 208 on the oxygen mask with an inlet valve 170 vent valve 74 and plug, respectively, on the protrusion 70'. In addition, a resilient locking element 236 on the oxygen mask 200' engages a groove 232 on the protrusion 70' when the oxygen mask 200' is installed releasably securing the oxygen mask to the protrusion.