Quick Aim Reticle for Bullet Drop Compensation
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Solution Overview
Problem
Hunters and timed shooting competitors face challenges in quickly making calculations for ranging and aiming, as existing methods require time to read laser range finders and adjust elevation knobs, diverting attention from the scope and slowing down the process.
Innovation Solution
A rifle scope assembly with a reticle lens that displays marked horizontal lines representing target heights and bullet drop compensation, allowing users to quickly align the rifle and compensate for bullet drop without leaving the scope, using indicia markings and an elevation knob for precise aiming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If a laser range finder and elevation knob adjustment method is used, then ranging and aiming can be performed, but time is lost in reading the range finder and adjusting the elevation knob
Solution Approach 1:
The patent combines the ranging function and elevation compensation function into a single reticle display. The reticle shows both the target size reference (for ranging) and the corresponding elevation adjustment marks integrated in one field of view, eliminating the need to switch between range finder reading and elevation adjustment
Solution Approach 2:
The reticle is designed to automatically provide both ranging information and elevation compensation information simultaneously. The user simply observes the target through the scope and reads both pieces of information from the reticle markings without needing to perform separate operations for ranging and elevation calculation
2Measurement precision
If a laser range finder is used for ranging, then accurate distance measurement can be obtained, but attention must be diverted from the scope eyepiece
Solution Approach 1:
The patent merges the ranging reference (target size comparison) and aiming reference (elevation marks) into a single integrated reticle display. Both functions are available simultaneously in the scope's field of view, eliminating the need to divert attention to external devices
Solution Approach 2:
The reticle acts as an intermediary that provides all necessary ranging and aiming information directly within the optical path. Instead of requiring the user to look away at a separate range finder, the reticle mediates by presenting encoded ranging information through its markings that can be read while maintaining sight on the target
3Measurement precision
If elevation knob adjustment is used to compensate for bullet drop, then accurate aiming can be achieved, but the process is slow and requires multiple steps
Solution Approach 1:
The reticle has pre-marked elevation compensation values corresponding to different target sizes and ranges. The user simply needs to identify the appropriate mark based on target size and read the corresponding elevation value, rather than manually calculating and adjusting through multiple knob turns
Solution Approach 2:
The patent replaces the mechanical adjustment process (manual elevation knob turning) with an optical information display system. The reticle presents all necessary elevation compensation data visually, allowing the user to quickly read the required adjustment without physical manipulation of the elevation mechanism
Data Source
AI summary
An assembly includes a rifle and a rifle scope housing, defining an eyepiece. An optical train includes a reticle. When a user looks through the eyepiece, a display is presented having a set of first horizontal lines, each marked by an indicium and a set of second horizontal lines, each marked by an indicium. A pair formed of a first and a second horizontal line is spaced apart by a distance that fits an adult black-tail buck from back to the brisket if the buck is at a range that results in a bullet drop. The first horizontal lines is labeled with a first indicium. Also, a set of marks includes a first mark which will, if placed on a target, result in an elevation angle, relative to the target, that will compensate for the bullet drop, and wherein the first mark is also marked with the indicium.