Archery Bow Yardage Tape Apparatus for Distance Elevation Adjustment
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Solution Overview
Problem
Archery shooting accuracy is hindered by the need to manually adjust bow sight devices for varying distances, as existing devices fail to effectively link user equipment with target distance, requiring extensive practice and manual alignment at specific distances.
Innovation Solution
The archery bow yardage tape apparatus uses incremental set-up tapes and a conversion chart to determine elevation adjustments for two fixed distances, allowing users to select the appropriate distance yardage tape for accurate targeting at any distance, adaptable to both new and existing bow sight devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual alignment of bow sight device is used for each specific distance, then shooting accuracy can be achieved, but the operation complexity and time consumption increase significantly
Solution Approach 1:
The patent pre-calculates and pre-marks elevation adjustments for two fixed distances (e.g., 20 yards and 60 yards) on the sight device. Users only need to mark these two reference points, and the intermediate distances are automatically determined through linear interpolation, eliminating the need for manual adjustment at each distance.
Solution Approach 2:
The patent creates a scaled representation of distance-elevation relationships on the sight device itself through the yardage tape. The tape acts as a copied reference guide that directly maps distances to corresponding elevation positions, allowing users to read and apply adjustments without complex calculations or repeated manual alignment.
2Reliability
If extensive practice at multiple distances is required, then shooting skill improves, but the time and resources required for training increase
Solution Approach 1:
The patent embeds pre-calculated elevation data for multiple distances into the yardage tape markings. Archers can achieve consistent results across varying distances by simply referencing the pre-marked tape positions rather than requiring extensive practice to memorize or calculate adjustments for each distance.
3Adaptability or versatility
If existing bow sight devices are used without distance-linking features, then device simplicity is maintained, but the ability to accurately target at varying distances is compromised
Solution Approach 1:
The patent divides the sight device into functional segments: the existing sight mechanism and the added yardage tape component. The tape is separated into distance markings and elevation adjustment markings, allowing users to independently reference distance and apply the corresponding elevation adjustment without complicating the core sight mechanism.
4Loss of information
If arcuate or circular bow sight apparatus are used to mark distances, then distance reference is provided, but the linking of distance with elevation adjustment remains insufficient
Solution Approach 1:
The patent merges the distance reference function and elevation adjustment guidance into a single integrated yardage tape. The tape combines distance markings with corresponding elevation adjustment markings, allowing users to obtain both pieces of information from one component rather than requiring separate arcuate distance markers and adjustment mechanisms.
Data Source
AI summary
The archery bow yardage tape apparatus comprises one or more set-up tapes, selectively incremented to correspond to the distance between adjacent marks. A plurality of distance yardage tapes are selectively incremented and color coded for ease of identification. A conversion chart is used to identify the distance yardage tape by marking the set-up tape at two selective distances, such as twenty yards and sixty yards, and subtracting the smaller marking from the larger marking, to determine the setting on the conversion chart. The setting on the conversion chart corresponds to the number on the distance yardage tape, which is positioned over the set-up tape on the bow yardage tape apparatus. The distance yardage tape then identifies the elevation required to reach a target at any specified distance from the target.