Trajectory compensating device
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United States of America Patent
Stats
-
Aug 25, 1981
Grant Date -
N/A
app pub date -
Jan 15, 1980
filing date -
Jan 15, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A trajectory compensating device for use with a rifle scope used in aiming a firearm is improved by including in the reticle of the rifle scope two sighting planes and including on the elevational turret of the rifle scope a turret cap which includes an indicia carrying member. The two sighting planes in the reticle are a primary sighting plane and a secondary sighting plane. The elevational turret of the rifle scope includes an indexing mark located thereon. The elevational turret controls the elevational correcting system of the rifle scope by rotation of the turret cap. The indicia carrying member includes at least two indicia markings. One of these indicia markings is correlated to correspond to a calibration distance wherein the rifle scope is sighted in utilizing the primary sighting plane of the reticle. The second of the indicia corresponds to an indicator mark which when lined up with the indexing mark will assure the shooter of the firearm that the trajectory of the bullet launched from the firearm will not deviate from either the line of sight across either the primary or the secondary sighting planes of the reticle by a fixed predetermined deviation distance from the trajectory of the bullet.
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