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:
Nov. 20, 1984
Filed:
Apr. 14, 1983
James R Thurston, Brigham City, UT (US);
George A Berkley, Brigham City, UT (US);
Thiokol Corporation, Chicago, IL (US);
Abstract
A manually rotatable cylindrical valve member forms a physical barrier in a 'safe' position between a firing pin-primer charge and pyrotechnic flare ignition material. The valving member has a passage through it that, in the 'armed' position, is in alignment with the firing pin-primer charge and the flare ignition material. An axial force on the valving member along with a rotational force is required for adjustment between the safe and armed positions and vice versa. Gas venting of the primer, upon accidental or inadvertent firing of the primer, prevents flare ignition when the valving member is in the safe position.