Multiple Rail Sighting Device

Abstract

A sighting device for a firearm accessory includes a first coupling member, a second coupling member, and a rail arrangement. The first coupling member is supported on an upper half portion of the firearm accessory. The second coupling member is supported on a lower half portion of the firearm accessory for enabling the firearm accessory to be detachably engage with a firearm rail of the firearm. The rail arrangement includes at least a mounting rail formed on one of the first coupling member and the second coupling member, wherein the mounting rail allows the firearm accessory to be mounted onto at least one additional firearm accessory so as to eliminate a need to individually attach the additional firearm accessory to the firearm.

1 . A sighting device for firearm having a firearm rail, wherein said sighting device comprises:
 a firearm accessory which comprises a scope adapted for detachably coupling at the firearm rail of the firearm;   a first coupling member supported on an upper half portion of said firearm accessory;   a second coupling member, which is supported on a lower half portion of said firearm accessory, having an elongated coupling slot formed thereon for detachably engaging with said firearm rail of said firearm; and   a rail arrangement which comprises at least a mounting rail formed on one of said first and second coupling members, wherein said mounting rail has an indented rail configuration, wherein said mounting rail comprises at least a “KeyMod” rail system formed on one of said first and second coupling members, wherein said mounting rail allows said firearm accessory to be mounted onto at least one additional firearm accessory so as to eliminate a need to individually attach said additional firearm accessory to said firearm.   
     
     
         2 . The sighting device, as recited in  claim 1 , wherein said “KeyMod” rail system is formed on each of top and side of said first coupling member. 
     
     
         3 . The sighting device, as recited in  claim 1 , wherein said first coupling member comprises a first semi-tubular body having a radius of curvature substantially same as that of said firearm accessory, and is fittedly mounted onto said upper half portion thereof. 
     
     
         4 . The sighting device, as recited in  claim 3 , wherein said second coupling member comprises a second semi-tubular body having a radius of curvature substantially same as that of said lower half portion of said firearm accessory, wherein said second semi-tubular body is fittedly mounted onto said lower half portion of said firearm accessory and is arranged to be securely mounted with said first tubular member so as to fittedly and substantially embed said entire perimeter of said firearm accessory. 
     
     
         5 . The sighting device, as recited in  claim 4 , wherein said rail arrangement further comprises a plurality of connectors spacedly provided on said first coupling member and said second coupling member so as to securely mount said first coupling member and said second coupling member on said firearm accessory, wherein each of said connectors is a screw having a threaded portion formed thereon, wherein said first coupling member has a plurality of first connecting holes spacedly formed thereon, while said second coupling member has a plurality of second connecting holes formed thereon and aligned with said first connecting holes respectively, wherein each of said connectors is arranged to penetrate a corresponding first connecting hole and a corresponding second connecting hole for mounting said first coupling member with said second coupling member. 
     
     
         6 . The sighting device, as recited in  claim 5 , wherein said first coupling member further comprises a plurality of first mounting panels transversely and outwardly extended from said first tubular body at opposite sides respectively, whereas said second coupling member further comprises a plurality of second mounting panels transversely and outwardly extended from said second tubular body at opposite sides and aligned with said first mounting panels respectively, wherein said first connecting holes are spacedly formed on said first mounting panels while said second connecting holes are spacedly formed on said second mounting panels. 
     
     
         7 . The sighting device, as recited in  claim 1 , wherein said second coupling member further comprises a mounting base provided at a bottom side of said second tubular body, wherein said mounting base is arranged for securely mounting onto said firearm. 
     
     
         8 . The sighting device, as recited in  claim 1 , wherein said first coupling member further has a plurality of first through slots formed on said first tubular body and aligned with a plurality of adjustment knobs of said firearm accessory so that said adjustment knobs is capable of being conveniently accessed even though said first coupling member is mounted on said firearm accessory. 
     
     
         9 . The sighting device, as recited in  claim 1 , wherein said second coupling member further has a plurality of second through slots formed on said second tubular body and aligned with a plurality of adjustment knobs of said firearm accessory so that said adjustment knobs are capable of being conveniently accessed even though said second coupling member is mounted on said firearm accessory. 
     
     
         10 . A rail apparatus for a firearm accessory mounted on a firearm, comprising:
 a first coupling member for enclosing an upper portion of said firearm accessory;   a second coupling member for enclosing a lower portion of said firearm accessory, wherein said first and second coupling members are coupled for encircling said firearm accessory therewithin, and   a rail arrangement which comprises at least a mounting rail formed on one of said first and second coupling members, wherein said mounting rail is arranged for enabling an additional firearm accessory to be detachably mounted to said firearm accessory so as to eliminate a need to individually attach said additional firearm accessory to said firearm.   
     
     
         11 . The rail apparatus, as recited in  claim 10 , wherein said mounting rail has an indented rail configuration defining a series of through rail guiders aligned along a longitudinal direction. 
     
     
         12 . The rail apparatus, as recited in  claim 10 , wherein said mounting rail is a “KeyMod” rail system. 
     
     
         13 . The rail apparatus, as recited in  claim 10 , wherein said second coupling member has an elongated guiding slot for enabling a mounting base of said firearm accessory passing through to mount on said firearm rail of said firearm. 
     
     
         14 . The rail apparatus, as recited in  claim 12 , wherein said second coupling member has an elongated guiding slot for enabling a mounting base of said firearm accessory passing through to mount on said firearm rail of said firearm. 
     
     
         15 . The rail apparatus, as recited in  claim 10 , wherein said first and second coupling members are coupled with each other to form an elongated tubular member defining a plurality of longitudinal faces, wherein said mounting rail is formed on at least of said longitudinal faces. 
     
     
         16 . The rail apparatus, as recited in  claim 14 , wherein said first and second coupling members are coupled with each other to form an elongated tubular member defining a plurality of longitudinal faces, wherein said mounting rail is formed on at least of said longitudinal faces. 
     
     
         17 . The rail apparatus, as recited in  claim 10 , wherein each of said first and second coupling members has a plurality of first through slots formed thereon for communicating with a plurality of adjustment knobs of said firearm accessory so as to enable said adjustment knobs to be accessed when said firearm accessory is encircled by said first and second coupling members. 
     
     
         18 . The rail apparatus, as recited in  claim 16 , wherein each of said first and second coupling members has a plurality of first through slots formed thereon for communicating with a plurality of adjustment knobs of said firearm accessory so as to enable said adjustment knobs to be accessed when said firearm accessory is encircled by said first and second coupling members. 
     
     
         19 . The rail apparatus, as recited in  claim 10 , wherein said first and second coupling members are detachably coupled with each other via a connector unit which comprises a plurality of connectors, a plurality of first connecting holes spacedly formed along two bottom longitudinal edges of said first coupling member, and a plurality of second connecting holes spacedly formed along two upper longitudinal edges of said second coupling member, such that when said bottom longitudinal edges of said first coupling member are coupled with said upper longitudinal edges of said second coupling member to align said first connecting holes with said second connecting holes respectively, said connectors are penetrated through said first and second connecting holes for mounting said first coupling member with said second coupling member. 
     
     
         20 . The rail apparatus, as recited in  claim 18 , wherein said first and second coupling members are detachably coupled with each other via a connector unit which comprises a plurality of connectors, a plurality of first connecting holes spacedly formed along two bottom longitudinal edges of said first coupling member, and a plurality of second connecting holes spacedly formed along two upper longitudinal edges of said second coupling member, such that when said bottom longitudinal edges of said first coupling member are coupled with said upper longitudinal edges of said second coupling member to align said first connecting holes with said second connecting holes respectively, said connectors are penetrated through said first and second connecting holes for mounting said first coupling member with said second coupling member.