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. 29, 1987
Filed:
Nov. 18, 1986
William C Yengst, Solana Beach, CA (US);
Science Applications International Corporation, San Diego, CA (US);
Abstract
A guided missile is directed to railroad tracks, is buried a particular distance, such as five (5) feet, below the tracks upon reaching the tracks and is covered by rocks in the railroad bed as it moves the particular distance below the tracks. The guided missile detonates when the train approaches on the tracks within a particular distance from the guided missile on the tracks. The train then becomes derailed. The guided missile has a housing which is made from a strong metal and which is relatively thick. Preferably the metal is steel and has a thickness of about 0.2'. A nose cone having a blunt configuration is disposed on the housing at the front end of the housing and is made from a material which passes signals into and out of the housing. The material is compressible (e.g. fiberglass, a ceramic or a glass) to become flattened when the missile strikes the ground. A bulkhead preferably having a greater thickness than the housing is disposed in the housing at an intermediate position along the housing length. The bulkhead may be made from the same material as the housing. A seeker including an antenna is disposed in the housing between the nose cone and the bulkhead to transmit signals to the tracks and receive information from the tracks. A warhead is disposed within the housing on the opposite side of the bulkhead from the nose cone. A fuse is disposed within the housing at the rear of the housing to detonate the warhead when the train approaches the missile on the tracks.