Geometrical instruments – Straight-line light ray type – Multisight line
Patent
1975-03-27
1976-11-23
Stephan, Steven L.
Geometrical instruments
Straight-line light ray type
Multisight line
F41G 138
Patent
active
039927830
ABSTRACT:
A system for mounting optical sights is disclosed employing an elongated mounting base for attaching a sighting device to a firearm having a dovetail portion extending in the direction of elongation to form a pair of spaced apart sight clamp accepting grooves which extend parallel to one another in the direction of elongation. First and second recoil lugs extending away from the dovetail portion in opposite directions are also disclosed with the first lug engaging the firearm to prevent movement of the base relative to the firearm when the firearm is discharged and the second lug engaging the sighting device to similarly prevent movement of the sighting device relative to the base when the firearm is discharged. The dovetail portion slidably accepts complementarily contoured portions of the sighting device which may include a pair of spaced apart clamping legs for slidably engaging the grooves and tightening means between the legs to draw those legs toward each other to grip the base.
REFERENCES:
patent: 1905070 (1933-04-01), Steinle
patent: 2123273 (1938-07-01), Burton
patent: 2202000 (1940-05-01), Gray
patent: 2641057 (1953-06-01), Moore
patent: 3153856 (1964-10-01), Felix
Dunlap Norman D.
Rickert Glenn E.
Precision Tool & Machine Co.
Stephan Steven L.
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