Quick detachable and replaceable gunsight mount

Claim 1

A quick detachable and replaceable mount for a telescopic gunsight comprising: a mounting base member having means thereon for attachment to a gun; a scope carrier bracket for mounting the telescopic gunsight onto said base member, said carrier bracket and said base member each having axially aligned apertures therein; means comprising a plurality of longitudinal ribs on said bracket and on said base member in mating engagement with one another for maintaining the telescope in alignment with the longitudinal axis of the gun; an elongated locking bar slidably secured to the underside of said base member, said bar having a keyhole slot and an inclined outer surface along both sides of the keyhole, said bar also having an elongated slot near each end of said bar; fastener means for slidably securing said bar to said base member through each of the elongated slots; a threadless bolt insertable in the axially aligned apertures located in the longitudinal ribs of said bracket and said base member directly through said mating longitudinal ribs and extending through the eye of said bar keyhole slot, said bolt having a pair of transverse grooves near its tip end with the outer surface of each groove being inclined for mating engagement with the inclined surfaces of said bar whereby longitudinal movement of said bar will bring the inclined surfaces of said bar and said bolt into wedging engagement with each other for securely locking said scope carrier to said base member; said base member and said bar each having a vertical flange adjacent one another at each end of said base member and said bar; and a spring secured at both ends to said flange for urging said bar to move longitudinally for locking said carrier to said base member.