US2015369558A1PendingUtilityA1

Composite Handguard for a Firearm

21
Assignee: TROY IND INCPriority: Jun 23, 2014Filed: Jun 23, 2015Published: Dec 24, 2015
Est. expiryJun 23, 2034(~7.9 yrs left)· nominal 20-yr term from priority
Inventors:Andreas M. Gottzmann
F41C 23/16F41C 23/18
21
PatentIndex Score
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Claims

Abstract

A handguard for a firearm comprising: a tubular body configured to overlie a barrel of the firearm in spaced relationship, the tubular body formed of a fiber reinforced plastic composite; the tubular body including an elongated accessory mounting rail; and the elongated accessory mounting rail includes an inner elongated rail segment located beneath the fiber reinforced plastic composite which extends longitudinally along a length of the mounting rail; and the inner elongated rail segment is coupled to the a fiber reinforced plastic composite.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A handguard for a firearm comprising:
 a tubular body configured to overlie a barrel of the firearm in spaced relationship, the tubular body formed of a fiber reinforced plastic composite;   the tubular body including an elongated accessory mounting rail; and   the elongated accessory mounting rail includes an inner elongated rail segment located beneath the fiber reinforced plastic composite which extends longitudinally along a length of the mounting rail; and   the inner elongated rail segment is coupled to the a fiber reinforced plastic composite.   
     
     
         2 . The handguard of  claim 1  wherein:
 the fiber reinforced plastic composite comprises a fiber reinforcement structure embedded in a matrix composition. 
 
     
     
         3 . The handguard of  claim 2  wherein:
 the fiber reinforcement structure comprises at least one tubular reinforcement member. 
 
     
     
         4 . The handguard of  claim 3  wherein:
 the at least one tubular reinforcement member is formed to a preformed shape of the tubular body before the tubular reinforcement member is embedded in the matrix composition. 
 
     
     
         5 . The handguard of  claim 3  wherein:
 the at least one tubular reinforcement member is provided without a terminating edge or a seam extending along a longitudinal direction of the tubular reinforcement member. 
 
     
     
         6 . The handguard of  claim 3  wherein:
 the at least one tubular reinforcement member is a tubular sleeve. 
 
     
     
         7 . The handguard of  claim 6  wherein:
 the tubular sleeve comprises at least one of a woven sleeve and a braided sleeve. 
 
     
     
         8 . The handguard of  claim 7  wherein:
 the tubular sleeve comprises a tubular braided sleeve with a biaxial braid. 
 
     
     
         9 . The handguard of  claim 8  wherein:
 the tubular braided sleeve comprises fiber bundles which are not arranged parallel to a longitudinal axis of the tubular body. 
 
     
     
         10 . The handguard of  claim 3  wherein:
 the at least one tubular reinforcement member comprises a plurality of tubular reinforcement members; and 
 at least a one of the tubular reinforcement members is formed of carbon fiber; and 
 at least a one of the tubular reinforcement members is formed of glass fiber. 
 
     
     
         11 . The handguard of  claim 2  wherein:
 the matrix composition comprises a thermoset polymer. 
 
     
     
         12 . The handguard of  claim 8  wherein:
 the thermoset polymer comprises at least one of an epoxy, a polyester, a vinyl ester, a methacrylate and a phenolic. 
 
     
     
         13 . The handguard of  claim 1  wherein:
 an upper portion of the elongated accessory mounting rail comprises a plurality of alternating ribs and slots extending transverse to a longitudinal axis if the tubular body. 
 
     
     
         14 . The handguard of  claim 1  wherein:
 the rail comprises an upper elongated rail segment coupled with the tubular body; and 
 the upper elongated rail segment extends longitudinally along a length of the rail. 
 
     
     
         15 . The handguard of  claim 14  wherein:
 the upper elongated rail segment is at least one of mechanically coupled and adhesively coupled with the tubular body. 
 
     
     
         16 . The handguard of  claim 14  wherein:
 the upper elongated rail segment forms an upper portion of the rail; and 
 the tubular body forms a lower portion of the rail. 
 
     
     
         17 . The handguard of  claim 1  wherein:
 the inner elongated rail segment is at least one of mechanically coupled and adhesively coupled to the a fiber reinforced plastic composite. 
 
     
     
         18 . The handguard of  claim 17  wherein:
 the inner elongated rail segment is adhesively coupled with the fiber reinforced plastic composite during forming of the tubular body. 
 
     
     
         19 . The handguard of  claim 18  wherein:
 the inner elongated rail segment is adhesively coupled with the fiber reinforced plastic composite by the matrix composition. 
 
     
     
         20 . The handguard of  claim 1  further comprising:
 an attachment member to attach the handguard to the firearm; and 
 the attachment member is coupled with the tubular body.

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