Archery Sight Pin Adjustment Mechanism for Proportional Spacing
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Solution Overview
Problem
Adjusting multiple sight pins on archery bow sights for various target distances is a time-consuming process that requires trial and error or complex calculations, lacking an efficient method for proportional spacing.
Innovation Solution
An archery bow sight with a pin adjustment mechanism that automatically sets sight pins in proportional spacing based on two initial reference points, using a combination of gears and pinion mechanisms to adjust multiple pins concurrently for different target ranges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple sight pins are adjusted individually through trial and error or manual calculation, then each pin can be calibrated for specific distances, but the process becomes time-consuming and complex
Solution Approach 1:
The sight pin adjustment mechanism automatically calibrates multiple pins based on two reference points without requiring manual intervention for each pin. The system serves itself by using the established reference points to proportionally determine positions of all other pins, eliminating the need for time-consuming trial and error adjustments.
Solution Approach 2:
The mechanism changes the calibration parameter from individual pin adjustments to a proportional spacing system based on reference points. By establishing two reference pins first, the system automatically calculates and positions all other pins according to proportional relationships, transforming a complex multi-parameter adjustment into a simple two-point calibration.
2Measurement precision
If computer software is used to calculate and print sight tapes for guidance, then pin positioning can be more accurate, but the process still requires manual measurement and calculation
Solution Approach 1:
The patent replaces manual measurement and calculation processes with a mechanical proportional spacing mechanism. Instead of using computer software to calculate positions and requiring manual measurement, the mechanical system automatically establishes proportional relationships between pins based on reference points, eliminating the need for external calculation tools.
Solution Approach 2:
The invention extracts the essential calibration function from complex software-based systems and manual procedures, isolating the core requirement of proportional spacing. By focusing only on establishing two reference points and allowing the mechanism to handle the rest, the system removes unnecessary complexity while maintaining accuracy.
3Productivity
If a multi-pitch lead screw mechanism is used to simultaneously adjust multiple sight pins, then adjustment speed improves, but the mechanism becomes more complex and requires precise manufacturing
Solution Approach 1:
The adjustment mechanism is segmented into independent reference pin establishment and automatic proportional positioning phases. Rather than using a complex multi-pitch lead screw that attempts to adjust all pins simultaneously through a single mechanism, the system first establishes two reference pins independently, then uses the simpler proportional spacing mechanism to position all other pins based on these references.
Solution Approach 2:
The system transitions from a static, pre-configured multi-pitch lead screw mechanism to a dynamic process where reference points are established first, and then the proportional spacing automatically adapts to position all pins. This dynamic approach allows the same basic mechanism to handle different pin configurations without requiring complex pre-engineered pitch variations.
Data Source
AI summary
Certain embodiments include archery bow sights which incorporate pin adjustment mechanisms which can be set to automatically arrange sight pins in appropriate proportional spacing for various target ranges based on the spacing of two initial points. In certain embodiments, a first pin on an archery bow sight is calibrated at a first reference distance to define a first reference point on the sight. The bow and sight is then used at a second reference distance to determine and align a second reference point for a second sight pin. As aligned, the mechanism controls one or more additional sight pins to correspond with additional reference distances. In certain embodiments illustrated herein, the pin adjustment mechanism arranges pins within a vertically aligned orientation.