Telescopic sight with level indicator
First Claim
Patent Images
1. For use with a firearm, a telescopic sight including a barrel, lenses in said barrel, and vertical and horizontal crosshairs visible in said barrel;
- characterized in that gravity responsive means including gravity indicating means is located entirely within said barrel;
said gravity responsive means comprising a ring having an annular face affixed in said barrel, and a pendulum member including a pointer pivotally fastened to said annular face of said ring, said pendulum member having its rotational axis intersecting said vertical crosshair; and
such that alignment of said vertical crosshair and said pointer is indicative that said firearm is not tilted.
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Abstract
A tilt or cant indicator for telescopic sights incorporates a gravity responsive device aligned with the reticle or vertical crosshair of the sight. A pendulum device incorporating a pointer is installed with its rotational axis intersecting the vertical crosshair such that canting is indicated when the vertical crosshair is not the pointer.
116 Citations
4 Claims
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1. For use with a firearm, a telescopic sight including a barrel, lenses in said barrel, and vertical and horizontal crosshairs visible in said barrel;
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characterized in that gravity responsive means including gravity indicating means is located entirely within said barrel; said gravity responsive means comprising a ring having an annular face affixed in said barrel, and a pendulum member including a pointer pivotally fastened to said annular face of said ring, said pendulum member having its rotational axis intersecting said vertical crosshair; and such that alignment of said vertical crosshair and said pointer is indicative that said firearm is not tilted. - View Dependent Claims (2)
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3. A telescopic sight for use with a rifle having a bore, said sight including a barrel, lenses in said barrel, and a reticle in said barrel include a vertical crosshair;
characterized in that a ring having an annual face is affixed in said barrel, said vertical crosshair is carried on said ring, and a pendulum member including a vertical indicating pointer is attached to said annular face of said ring such that the rotational axis of said pendulum member intersects said vertical crosshair, whereby canting of said rifle is indicated by a misalignment of said pointer relative to said vertical crosshair. - View Dependent Claims (4)
Specification