Geometrical instruments – Straight-line light ray type – Structurally installed
Patent
1977-08-22
1978-12-05
Aegerter, Richard E.
Geometrical instruments
Straight-line light ray type
Structurally installed
F41G 128
Patent
active
041279433
ABSTRACT:
A gun sight includes a gun sight body having a fixed front sight and a movable rear sight leaf having a rear sight for being aligned with the front sight when shooting. The gun sight body has a rotatable cam with a series of spaced apart camming surfaces, and the sight leaf has a series of independently adjustable cam followers for being engaged by corresponding camming surfaces. Rotation of the cam sequentially moves each camming surface into contact with a corresponding cam follower to move the level of the rear sight between a plurality of fixed positions with respect to the front sight. The cam followers are independently adjustable to provide settings for selected target distances, and the cam can be releasably locked in a plurality of set positions which are indexed to indicate the target distances associated with the settings of the corresponding cam followers. Preferably, the rear sight can be moved to each preset position during a single rotation of the cam.
REFERENCES:
patent: RE14009 (1915-11-01), Warner
patent: 1206060 (1916-11-01), Warner
patent: 2345553 (1944-04-01), Brown et al.
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