US2016356575A1PendingUtilityA1

Prismatic Eyepiece Attachment for Telescopic Gun Sights

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Individually held — no corporate assignee on recordPriority: Oct 23, 2014Filed: Jun 14, 2016Published: Dec 8, 2016
Est. expiryOct 23, 2034(~8.3 yrs left)· nominal 20-yr term from priority
Inventors:Omid S. Jahromi
G02B 27/32G02B 25/001G02B 23/02F41G 11/00F41G 1/38G02B 26/0891
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Claims

Abstract

An attachment device that shifts the exit pupil position of a telescopic gun sight is introduced. The attachment includes a refracting wedge prism to tilt the viewing axis of the telescopic sight. This, in turn, shifts the position of the exit pupil of the telescopic sight and makes it possible to view the target image from an eye position offset from the sight's optical axis. The invention provides improved ergonomics for the shooter.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . An attachment device for use with a telescopic gun sight, comprising
 a. a housing means, said housing means being substantially cylindrical in shape, said housing means being detachably mountable onto the eyepiece end of the telescopic gun sight, and   b. a wedge prism, said wedge prism having a predetermined apex angle, said wedge prism being mounted inside said housing means such that the light rays exiting from the telescopic gun sight pass through it   
       whereby an operator can aim through the telescopic gun sight from an offset eye position. 
     
     
         2 . The attachment device of  claim 1  wherein said wedge prism is comprised of an achromatic prism. 
     
     
         3 . The attachment device of  claim 1  wherein said housing means is made of rubber or similar elastic material such that it can snugly fit onto the eyepiece end of a telescopic gun sight. 
     
     
         4 . The attachment device of  claim 1  wherein said housing means is made of aluminium or a similar light metal. 
     
     
         5 . The attachment device of  claim 1  wherein said housing means is made of plastic or a similar synthetic material. 
     
     
         6 . The attachment device of  claim 1  wherein said housing means further includes a clamp for attaching it onto the eyepiece end of a telescopic gun sight. 
     
     
         7 . The attachment device of  claim 1  wherein said housing means further includes screw threads for attaching it onto the eyepiece end of a telescopic gun sight.

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