Geometrical instruments – Straight-line light ray type – Aerial bomb sight
Patent
1981-02-17
1983-03-08
Haroian, Harry N.
Geometrical instruments
Straight-line light ray type
Aerial bomb sight
33241, 33265, F41G 132
Patent
active
043757251
ABSTRACT:
An optical sight for use in aiming firearms, archery bows and other visually aimed devices. The sight includes a rigid supporting frame. The frame supports an optical lens that is ground to produce a magnified virtual image of a front sight. The front sight image is located with a top edge of the lens along an image line of sight that is substantially parallel to the operative axis of the device. The eye does not have to accommodate by focusing between a front sight, rear sight and target since the target and sight image remain clear. The front sight image will "disappear" from the visual boundaries of the lens when elevational adjustment of the device is made, without obstructing view of the target.
REFERENCES:
patent: 649194 (1900-05-01), Carver
patent: 944916 (1909-12-01), Shepard
patent: 2287032 (1942-06-01), Garand
patent: 3914873 (1975-10-01), Elliott et al.
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