Sight mounting system, sight, and adapter plate

Abstract

A sight mounting system (300; 400) for mounting an optical sight (200; 500) to a firearm, comprising: a sight mounting interface (110; 410), and an oblong dovetail member (305), wherein the oblong dovetail member (305) is arranged to be forced in close contact with a leaning back wall (125) of the sight mounting interface (110) and a leaning rear face (240; 540) of the optical sight (200; 500), wherein the leaning front face (245; 545) of the reflex sight is forced against the leaning front wall (135) of the sight mounting interface (110). An optical sight (200) for mounting to a sight mounting interface (110; 410), and an adapter plate for mounting a sight to a sight mounting interface

1 . A sight mounting system for mounting a sight to a firearm, comprising:
 a sight mounting interface including a leaning back wall, a planar longitudinal mounting surface, and leaning front wall for receiving the sight;   an oblong dovetail member having a planar upper surface, planar lower surface, a first long side and second long side both sides leaning inwards from the upper surface down to the lower surface, the upper surface having at least two screw holes for receiving screws through the oblong dovetail member and threaded into tapped holes of the sight mounting interface;   wherein the oblong dovetail member is arranged to be forced in close contact with the leaning back wall of the sight mounting interface and a leaning rear face of the sight, wherein at least a portion of the leaning front face of the sight is forced against at least a portion of the leaning front wall of the sight mounting interface.   
     
     
         2 . The sight mounting system according to  claim 1 , wherein the first long side and second long side of the oblong dovetail member lean inwards by 30°-60°. 
     
     
         3 . The sight mounting system according to  claim 1 , wherein the first long side and second long side of the oblong dovetail member lean inwards by 45°. 
     
     
         4 . The sight mounting system according to  claim 1 , wherein the sight mounting interface is provided with a groove extending along at least a part of the longitudinal mounting surface and arranged to receive a longitudinal tenon proximally centered along a longitudinal direction of a bottom surface of the sight, wherein the length and depth of the groove are arranged to closely match the length and height of the tenon, wherein longitudinal inside surfaces of the groove are arranged to engage with longitudinal wall surfaces of the tenon. 
     
     
         5 . The sight mounting system according to  claim 4 , wherein the longitudinal inside surfaces of the groove lean inwards by angles in a direction to a bottom of the groove forming the center of the mounting surface of the sight mounting interface for receiving the longitudinal wall surfaces leaning inwards by angles in a direction to the center of the bottom surface of the tenon. 
     
     
         6 . The sight mounting system according to  claim 5 , wherein the angles of the groove are 15°-35°. 
     
     
         7 . The sight mounting system according to  claim 5 , wherein the angles of the groove are 20°. 
     
     
         8 . The sight mounting system according to  claim 1 , wherein the back wall leans backwards by an angle α with reference to a normal vector of the planar mounting surface, so as to fit the first long side of the oblong dovetail member, and the front wall leans backwards by an angle β with reference to the normal vector of the planar mounting surface, so as to fit the front surface of the sight. 
     
     
         9 . The sight mounting system according to  claim 8 , wherein α and β are 30°-60°. 
     
     
         10 . The sight mounting system according to  claim 8 , wherein α and β are 45°. 
     
     
         11 . The sight mounting system according to  claim 8 , wherein the back wall comprises a vertical portion extending from the planar mounting surface to a leaning portion of the back wall, and the front wall comprises a first vertical portion extending from the planar mounting surface to a leaning portion extending to a second vertical portion of the front wall. 
     
     
         12 . The sight mounting system according to  claim 11 , wherein a leaning portion of the front face of the sight engages the leaning portion of the front wall of the sight mounting interface, thereby forming a small gap between a first vertical portion of the front face of the sight and the first vertical portion of the front wall. 
     
     
         13 . The sight mounting system according to  claim 4 , wherein a small gap exists between the planar lower surface of the oblong dovetail member and the mounting surface of the sight mounting interface, when the sight mounting system is assembled. 
     
     
         14 . A sight mounting system for mounting a sight to a firearm, comprising:
 a sight mounting interface having a leaning back wall, a planar and longitudinal mounting surface, and leaning front wall for receiving the sight;   an oblong dovetail member having a planar upper surface, planar lower surface, a first long side and second long side both sides leaning inwards from the upper surface down to the lower surface, the upper surface having at least two screw holes for receiving screws through the oblong dovetail member and threaded into tapped holes of the sight mounting interface;   wherein the oblong dovetail member is arranged to be forced in close contact with the leaning front wall of the sight mounting interface and the leaning front face of the sight, wherein at least a portion of the leaning rear face of the sight is forced against at least a portion of the leaning back wall of the sight mounting interface.   
     
     
         15 . The sight mounting system according to  claim 14 , wherein the first long side and second long side of the oblong dovetail member lean inwards by 30°-60°. 
     
     
         16 . The sight mounting system according to  claim 14 , wherein the first long side and second long side of the oblong dovetail member lean inwards by 45°. 
     
     
         17 . The sight mounting system according to  claim 1 , wherein the sight mounting interface is provided with a longitudinal tenon extending along at least a part of the longitudinal mounting surface arranged to engage with a corresponding longitudinal groove proximally centered along a longitudinal direction of a bottom surface of the sight, wherein the length and height of the tenon is arranged to closely match the length and depth of the groove, wherein longitudinal wall surfaces of the tenon are arranged to engage with longitudinal inside surfaces of the groove. 
     
     
         18 . The sight mounting system according to  claim 17 , wherein the longitudinal wall surfaces leaning inwards by angles in a direction to the center of the bottom surface of the tenon for engaging with the longitudinal inside surfaces of the groove leaning inwards by an angle in a direction to the center of a bottom surface of the sight. 
     
     
         19 . The sight mounting system according to  claim 18 , wherein the angles of the tenon are 15°-35°. 
     
     
         20 . The sight mounting system according to  claim 18 , wherein the angles of the tenon are 20°. 
     
     
         21 . The sight mounting system according to  claim 14 , wherein the back wall leans forwards by an angle α in relation to a normal vector of the mounting surface, so as to fit the rear surface of the sight, and the front wall leans forwards by an angle β with reference to the normal vector if the planar mounting surface, so as to fit the second long side of the oblong dovetail member. 
     
     
         22 . The sight mounting system according to  claim 21 , wherein α and β are 30°-60°. 
     
     
         23 . The sight mounting system according to  claim 21 , wherein α and β are 45°. 
     
     
         24 . The sight mounting system according to  claim 21 , wherein the back wall comprises a first vertical portion of the back wall extending from the planar mounting surface to a leaning portion connecting a second vertical portion of the back wall, and the front wall comprises a vertical portion of the front wall extending from the planar mounting surface to a leaning portion of the front wall. 
     
     
         25 . The sight mounting system according to  claim 24 , wherein a leaning portion of the rear face of the sight engages a leaning portion of the back wall of the sight mounting interface, thereby forming a small gap between a first vertical portion of the rear face of the sight and a first vertical portion of the back wall. 
     
     
         26 . The sight mounting system according to  claim 17 , wherein a small gap exists between the planar lower surface of the oblong dovetail member and the mounting surface, and a small gap exists between the bottom surface of the sight and the mounting surface, when the sight mounting system is assembled. 
     
     
         27 . The sight mounting system according to  claim 1 , wherein the oblong dovetail member is provided with an auxiliary open sight, which forms
 an integrated part of the oblong dovetail member; or   a removable part, which is arranged in a sight receiver on a protrusion of the oblong dovetail member.   
     
     
         28 . A sight for mounting to a sight mounting interface, the sight comprising a housing having a base comprising a rear face, a front face, and a bottom surface provided with a longitudinal tenon,
 wherein the longitudinal tenon has longitudinal wall surfaces leaning inwards by angles in a direction to the center of the bottom surface for engaging corresponding leaning longitudinal inside surfaces of a groove of the sight mounting interface, the front face leans backwards to engage a leaning front wall of said sight mounting interface, and the rear face leans forwards to engage an oblong dovetail member forming a removable attachment element for securing the sight to the sight mounting interface.   
     
     
         29 . A sight for mounting to a sight mounting interface, the sight comprising a housing having a base comprising a rear face, a front face, and a bottom surface provided with a longitudinal groove,
 wherein the longitudinal groove has longitudinal inside surfaces leaning inwards by angles in a direction to the center of the bottom surface for engaging corresponding leaning longitudinal wall surfaces of a tenon of the sight mounting interface, the front face leans backwards to engage a leaning front wall of said sight mounting interface, and the rear face leans forwards to engage an oblong dovetail member forming a removable attachment element for securing the sight to the sight mounting interface.   
     
     
         30 . A sight for mounting to a sight mounting interface, the sight comprising a housing having a base comprising a rear face, a front face, and a bottom surface provided with a longitudinal groove, wherein the longitudinal groove has longitudinal inside surfaces leaning inwards by angles in a direction to the center of the bottom surface for engaging corresponding leaning longitudinal wall surfaces of a tenon of the sight mounting interface, the rear face leans forwards to engage a back wall of said sight mounting interface, and the front face leans backwards to engage an oblong dovetail member forming a removable attachment element for securing the sight to the sight mounting interface. 
     
     
         31 . A sight for mounting to a sight mounting interface, the sight comprising a housing having a base comprising a rear face, a front face, and a bottom surface provided with a longitudinal tenon,
 wherein the longitudinal tenon has longitudinal wall surfaces leaning inwards by angles in a direction to the center of the bottom surface for engaging corresponding leaning longitudinal inside surfaces of a groove of the sight mounting interface, the rear face leans forwards to engage a back wall of said sight mounting interface, and the front face leans backwards to engage an oblong dovetail member forming a removable attachment element for securing the sight to the sight mounting interface.   
     
     
         32 . The sight according to  claim 28 , wherein the angles of the tenon and the angles of the groove are 15-35°. 
     
     
         33 . The sight according to  claim 28 , wherein the angles of the tenon and the angles of the groove are 20°. 
     
     
         34 . The sight according to  claim 28 , wherein the rear face leans forwards by 30°-60°, with reference to the normal vector of the bottom surface, and the front face leans backwards by 30°-60° with reference to the normal vector of the bottom surface. 
     
     
         35 . The sight according to  claim 28 , wherein the rear face leans forwards by 45°, with reference to the normal vector of the bottom surface, and the front face leans backwards by 45° with reference to the normal vector of the bottom surface. 
     
     
         36 . The sight according to  claim 28 , wherein the rear face of the sight forms at least two portions including a vertical portion extending upwardly from the bottom surface to a leaning portion. 
     
     
         37 . The sight according to  claim 28 , wherein the front face of the sight forms at least three portions including a first vertical portion extending upwardly from the bottom surface to a leaning portion further to a second vertical portion. 
     
     
         38 . The sight according to  claim 28 , wherein the sight is a closed reflex sight having optical elements completely encased by the housing. 
     
     
         39 . An adapter plate for mounting a sight to a sight mounting interface, the adapter plate comprising a base having a rear face, a front face, a top surface for attachment to the sight, and a bottom surface provided with a longitudinal tenon,
 wherein the longitudinal tenon has longitudinal wall surfaces leaning inwards by angles in a direction to the center of the bottom surface for engaging corresponding leaning longitudinal inside surfaces of a groove of the sight mounting interface, the front face leans backwards to engage a leaning front wall of said sight mounting interface, and the rear face leans forwards to engage an oblong dovetail member forming a removable attachment element for securing the adapter plate to the sight mounting interface.   
     
     
         40 . An adapter plate for mounting a sight to a sight mounting interface, the adapter plate comprising a base having a rear face, a front face, a top surface, and a bottom surface provided with a longitudinal tenon,
 wherein the longitudinal tenon has longitudinal wall surfaces leaning inwards by angles in a direction to the center of the bottom surface for engaging corresponding leaning longitudinal inside surfaces of a groove of the sight mounting interface, the rear face leans forwards to engage a back wall of said sight mounting interface, and the front face leans backwards to engage an oblong dovetail member forming a removable attachment element for securing the adapter plate to the sight mounting interface.   
     
     
         41 . An adapter plater for mounting a sight to a sight mounting interface, the adapter plate comprising a base having a rear face, a front face, a top surface for attachment to the sight, and a bottom surface provided with a longitudinal groove,
 wherein the longitudinal groove has longitudinal inside surfaces leaning inwards by angles in a direction to the center of the bottom surface for engaging corresponding leaning longitudinal wall surfaces of a tenon of the sight mounting interface, the front face leans backwards to engage a front wall of said sight mounting interface, and the rear face leans forwards to engage an oblong dovetail member forming a removable attachment element for securing the adapter plate to the sight mounting interface.   
     
     
         42 . An adapter plate for mounting a sight to a sight mounting interface, the adapter plate comprising a base having a rear face, a front face, a top surface, and a bottom surface provided with a longitudinal groove,
 wherein the longitudinal groove has longitudinal inside surfaces leaning inwards by angles in a direction to the center of the bottom surface for engaging corresponding leaning longitudinal wall surfaces of a tenon of the sight mounting interface, the rear face leans forwards to engage a back wall of said sight mounting interface, and the front face leans backwards to engage an oblong dovetail member forming a removable attachment element for securing the adapter plate to the sight mounting interface.   
     
     
         43 . A slide for a firearm comprising a sight mounting system according to  claim 1 . 
     
     
         44 . A telescopic sight arranged with a sight mounting system according to  claim 1 . 
     
     
         45 . A fire control system arranged with a sight mounting system according to  claim 1 .