Geometrical instruments – Straight-line light ray type – Multisight line
Patent
1974-05-20
1977-03-22
Bell, Jr., Houston S.
Geometrical instruments
Straight-line light ray type
Multisight line
F41G 102
Patent
active
040128440
ABSTRACT:
Adjusting mechanism for the front sight and the rear sight of a firearm in which the sighting line is located a relatively large distance above the firearm. The adjusting mechanism includes an elastically deformable member in the form of a rod for the rear sight and in the form of a flat blade for the front sight. The rod has a first end which is fastened to the rear sight support and a second end rigidly connected with the rear sight. The flat blade has a first end fastened to the front sight support and a second end rigidly connected with the top of the front sight. A control, in the form of a rotatable screw receivable in an internally threaded member, is provided for each sight for varying the distance between an area of each member and its respective support. Adjustment of the rear sight is, advantageously, only in a direction perpendicular to the longitudinal axis of the barrel of the firearm. Adjustment of the front sight is in a substantially horizontal direction transverse to the longitudinal axis of the barrel of the firearm.
REFERENCES:
patent: 800195 (1905-09-01), Windridge
patent: 1523319 (1925-01-01), Vosmek
patent: 1908019 (1933-05-01), Howard
patent: 2132490 (1938-10-01), Mossberg
Bell, Jr. Houston S.
Etat Francais
Stearns Richard R.
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