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. 17, 1996
Filed:
Jun. 07, 1995
Layton A Wise, Washington, PA (US);
Mine Safety Appliances Company, Pittsburgh, PA (US);
Abstract
A self-contained breathing apparatus having two or more air storage cylinders, each of the cylinders in gas-flow communication with a flexible manifold which is in gas-flow communication with a facepiece. Preferably, the flexible manifold includes a manifold unit connected to a flexible conduit for each of the cylinders such that the manifold unit is located at least partially within an envelope defined by the cylinders. Preferably the other main high pressure operating components are also connected to the manifold unit, including the regulator, pressure gauge, cylinder valve and wheel, pressure relief rupture disk, and low pressure alarm such that they are at least partially, more preferably substantially, and most preferably totally disposed within an envelope defined by the exterior surfaces of at least two of the plurality of cylinders.