Patent ID: 8714146
Filing Date: 2014-05-06
Classification: F41A,F41B

Abstract:
1. A ballistic adjustment device installed in a rear end of a gun barrel of a toy gun, said gun barrel comprising an end notch at the rear end thereof and a locating groove extending around the periphery thereof and disposed adjacent to said end notch, the ballistic adjustment device comprises a bullet barrel made of a flexible material and attached to the rear end of said gun barrel, said bullet barrel comprising a bearing portion located on the top side thereof, a pressure member supported on said bearing portion of said bullet barrel, and a rotary control member surrounding said bullet barrel and said pressure member, said rotary control member comprising an eccentric groove located on an inside wall thereof and accommodating a part of said pressure member, said rotary control member being rotatable relative to said bullet barrel to adjust the relative position between said eccentric groove and the accommodated part of said pressure member, wherein: said bullet barrel comprises two inside protruding portions downwardly extended from an inside wall of said bearing portion and projecting into said end notch of said gun barrel; a positioning member is press-fitted onto said bullet barrel and fastened to the rear end of said gun barrel, said positioning member comprising an opening corresponding to said bearing portion of said bullet barrel and said end notch of said gun barrel.