发明名称 ARCHERY BOW SIGHT DISTANCE INDICATOR
摘要 A distance indicating mechanism can be used in combination with a bow sight to quickly determine distances to targets from an elevated position. The distance indicating mechanism has a generally circular, fluid-filled tubular device with one or more adjustable indicators located thereon. The indicators are positionable to correspond with the fluid level in the tubular device to indicate the orientation of the mechanism when aiming at a known distance. Each indicator generally corresponds to a sight pin of a bow site that indicates a corresponding linear distance for which an arrow will be at a desired vertical position when shot by a bow operator.
申请公布号 US2011252654(A1) 申请公布日期 2011.10.20
申请号 US20100762852 申请日期 2010.04.19
申请人 JERRMATT, LLC 发明人 EDMUNDSON JERRY
分类号 F41G1/467;G01B1/00;G01C3/00 主分类号 F41G1/467
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