Patent ID: 6513276
Filing Date: 2003-02-04
Classification: F41G

Abstract:
An apparatus for a rifle comprising:a gun barrel having a dovetail formed adjacent a back thereof; a rifle sight positioned on said dovetail of said gun barrel, said rifle sight comprising: a base having a fixed part and a movable part, said movable part defining a clamp, said fixed part and said movable part being attached to slide on said dovetail; an upper support having a side plate so as to define an angled plate; a micrometric height adjustment screw affixed to a top surface of said upper support; and a micrometric centering screw cooperative with said upper support, said fixed part having a rectangular-shaped piece with a protuberance extending downwardly therefrom so as to define a slide on one face thereof, said angled plate of said upper support slidable along said slide, said angled plate having an inclined cut-out on respective side faces thereof so as to slidably engage said dovetail, said fixed part having a hole with a thread formed therein, said micrometric height adjustment screw threadedly engaged with said thread of said hole, said fixed part having a flat rectangular plate on a top face thereof, said movable part of said base having a rectangular piece with an inclined cut-out on an inside face thereof positioned so as to be cooperative with and secured to said dovetail, said movable part having another plurality of set screws extending transversely to said inclined cut-out, said another plurality of set screws securing said fixed part of said base to said movable part and for securing said base to said dovetail, said upper support having a scale with divisions representative of a height at which said upper support is placed, said flat plate of said upper support being fixed in a predetermined position by a spring means at one end thereof, said spring means having a ball bearing for exerting pressure on a rear face of said angled plate and for fixing said angled plate into a position, said micrometric height adjustment screw being positioned on said top face of said upper support, said micrometric height adjustment screw having a screw with a thread formed thereon and a fluted crown upon which said ball bearing of said spring means rests so as to be perpendicular to a movement of said height adjustment screw, said upper support having a rectangular hole with a scale marked with divisions relative to a centering of said sight relative to said gun barrel; and an open sight formed of another angled plate with a cut-out centrally positioned, said open sight having a rectangular protuberance positioned at a bottom of a horizontal portion of said another angled plate so as to coincide with said rectangular hole such that said rectangular hole guides said upper support, said open sight being fastened to said upper support by said micrometric centering screw, said micrometric centering screw having a thread and a fluted crown, another ball bearing being resiliently positioned perpendicularly against said fluted crown.