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:
Feb. 02, 1987
Filed:
May. 01, 1985
Paul L Stewart, Joppa, MD (US);
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Abstract
This fuze is a subassembly of a spherical smoke grenade. The grenade compes a rubber case with the main charge therein. The fuze comprises a metal body one surface of which is sperhical and forms part of the spherical exterior of the grenade. The fuze comprises an arm/safe mechanism which includes pins, pull rings, a handle and a hermetically sealed delay ignition system which comprises a primer, two ignition mixes and a delay mix. The firing pin is mounted in a radial hole in the fuze body with an arm/safe pin mounted in another hole which is 90.degree. away from the firing pin hole. The arm/safe pin engages a slot in the firing pin to hold it in the safe or retracted position. The arm/safe mechanism is designed so that none of the parts thereof, except for the handle, can fly out as the grenade is thrown. The O-rings associated with the firing pin and the arm/safe pin are designed so that they provide a moisture proof seal during the shelf life of the grenade but when the grenade is thrown they do not produce any unwanted friction which might cause misfiring.