Adjustable Cable Guide for Archery Bow Cam Timing
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Solution Overview
Problem
Modern archery bows require precise synchronization of cams for optimal performance, but existing methods are time-consuming and labor-intensive, relying on specialized fixtures and trial-and-error adjustments.
Innovation Solution
An adjustable cable guide system that allows independent adjustment of pulleys to align bow cables with timing indexes on the cams, eliminating the need for specialized fixtures and simplifying the cam timing process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional fixture-based cam timing methods are used, then precise cam synchronization can be achieved, but the process becomes time-consuming and labor-intensive
Solution Approach 1:
The bow itself serves as the timing fixture through the cable guide apparatus attached to the riser. The cable guide uses the bow's own structure (riser, cables, cams) to establish the timing reference, eliminating the need for external specialized fixtures. This self-service approach reduces setup time and complexity while maintaining precision.
Solution Approach 2:
The cable guide apparatus acts as an intermediary between the cables and cams, providing a fixed reference point on the riser that mediates the timing relationship. By attaching the cable guide to the riser at a predetermined location, it creates a stable reference that simplifies the timing process and reduces the need for complex fixture arrangements.
2Measurement precision
If specialized timing fixtures are used for cam synchronization, then accurate cam positioning is achieved, but device complexity and investment requirements increase
Solution Approach 1:
The cable guide apparatus serves multiple functions: it acts as both a cable routing guide and a timing reference fixture. By integrating these functions into a single component attached to the riser, the invention eliminates the need for separate specialized timing fixtures, reducing device complexity and investment requirements while maintaining positioning accuracy.
Solution Approach 2:
The bow's own riser and cable system are used to create the timing reference, rather than requiring external specialized equipment. The cable guide apparatus leverages the existing bow structure to provide the necessary timing reference, making the system self-sufficient and reducing overall complexity.
3Measurement precision
If trial-and-error cable length adjustment is used for timing, then cam synchronization can be achieved, but the process becomes labor-intensive and repetitive
Solution Approach 1:
The cable guide apparatus is pre-attached to the riser at a predetermined location that establishes the correct timing reference. This preliminary positioning eliminates the need for trial-and-error adjustments, as the reference point is already correctly positioned to guide the cables and synchronize the cams on the first attempt.
Solution Approach 2:
The cable guide apparatus is a simple, inexpensive component that can be easily attached and adjusted if needed. Its simplicity allows for easy replacement or repositioning without significant investment, making the timing process less daunting and more accessible to practitioners of varying skill levels.
Data Source
AI summary
An adjustable cable guide for archery bow provides a housing which supports a pair of rotatable pulleys upon which the cam cables of the bow are received. A slide mounting of each pulley supporting segment is adjustable by a threaded adjustment screw. The entire adjustable cable guide assembly is supportable upon the riser directly or may be supported upon the conventional cable guide bar which extends from the riser.