Durability: just how tough is the M9?

[Mister Moon]

U.S. Patent 4,458,420 Shear pin hilt for knife
Abstract
An impact-resistant knife hilt comprising a hollow handle containing a clevis with shear pin connecting the knife blade to a bolt passing through the end cap of the knife handle. Such a knife is readily assembled and disassembled by tightening or removing the bolt while the hilt with shear pin reduces the risk of blade breakage upon their impact.

Inventors: Davis; Kurtis D. (8530 E. 66th Pl. S. - No. B, Tulsa, OK 74133)
Appl. No.: 515200
Filed: July 20, 1983


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