Vertical position indicator for optical sights
First Claim
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1. An optical sight for firearms, wherein the improvement comprises a roll-axis vertical position indicator, said indicator comprising a non-buoyant spheroid free to seek under the force of gravity a true vertical position;
- said indicator contained within a housing comprising a transparent, tubular toroid mounted coaxially and posterior of the ocular lens of the optical sight;
said indicator free to move by rolling within said housing without the impediment of pivots, mechanical linkages, or any attached structure whatsoever.
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Abstract
The present invention discloses a vertical position indicator for the correction of roll axis sighting errors in firearms equipped with optical sights.
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1 Claim
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1. An optical sight for firearms, wherein the improvement comprises a roll-axis vertical position indicator, said indicator comprising a non-buoyant spheroid free to seek under the force of gravity a true vertical position;
- said indicator contained within a housing comprising a transparent, tubular toroid mounted coaxially and posterior of the ocular lens of the optical sight;
said indicator free to move by rolling within said housing without the impediment of pivots, mechanical linkages, or any attached structure whatsoever.
- said indicator contained within a housing comprising a transparent, tubular toroid mounted coaxially and posterior of the ocular lens of the optical sight;
Specification
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Current AssigneeCharles Eugene Peterson
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Original AssigneeCharles Eugene Peterson
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InventorsPeterson, Charles Eugene
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Primary Examiner(s)JOHNSON, STEPHEN
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Application NumberUS08/500,164Time in Patent Office771 DaysField of Search42/101, 42/1.01, 42/100, 33/245, 33/246, 33/247, 33/248US Class Current42/122CPC Class CodesF41G 1/44 Spirit-level adjusting mean...
