Firearms – With adjustable head space – By reaming
Patent
1975-03-10
1977-02-22
Jordan, Charles T.
Firearms
With adjustable head space
By reaming
33233, F41G 146
Patent
active
040085368
ABSTRACT:
A readily attachable and detachable gun sight mount for mounting rifle-like sights to a shotgun. The invention provides shotguns, with ventilated ribs, with a gun sight mount that is securely clamped to and accurately indexed with the ventilated rib. The invention provides shotguns, not provided with a ventilated rib, with a gun sight mount that is securely clamped to the gun barrel and is accurately indexed with existing structures of the shotgun barrel. The preferred gun sight mounts of this invention incorporate for their employment a two part clamp which is accurately formed to fit the structural parts of the gun barrel to which the gun sight mount is to be clamped, a means for holding the parts of the clamp in alignment during assembly with the gun barrel, a pair of fasteners, a portion of the gun sight mount formed to index to and mechanically engage with an existing part of the gun barrel, and an appropriate portion of the mount suitably formed to receive and securely mount a gun sight to the gun sight mount.
REFERENCES:
patent: 744651 (1903-11-01), Vickery
patent: 2498329 (1950-02-01), Barnes
patent: 2781583 (1957-02-01), Grimble
patent: 2795048 (1957-06-01), Seymour et al.
patent: 2874504 (1959-02-01), Martinek
patent: 3193932 (1965-07-01), Johnson
patent: 3840995 (1974-10-01), Freiling
Johnson Russell L.
Jordan Charles T.
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