Archery Cam Adjustment Assembly for Precise Field Tuning
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Solution Overview
Problem
Tuning archery bows by adjusting the position of the cam relative to the limb assembly is difficult, time-consuming, and often impossible to perform in the field without specialized tools.
Innovation Solution
An archery bow with a cam adjustment assembly that includes an axle extension, cam support, securing member, and plug, allowing for easy lateral displacement and locking of the cam without disassembly, facilitated by a micro adjuster for precise positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional cam adjustment methods are used, then cam position can be adjusted, but the process requires disassembly and specialized tools making it difficult and time-consuming
Solution Approach 1:
The adjustment assembly is divided into separate functional components: an adjustment mechanism for lateral movement, a locking mechanism for securing position, and a release mechanism for adjustment. This segmentation allows each component to perform its specific function independently, enabling field adjustments without full disassembly of the bow assembly.
Solution Approach 2:
The patent introduces an intermediary adjustment assembly that mediates between the cam and the limb assembly. This assembly includes an adjustment member that can laterally displace the cam while maintaining connection to the limb, allowing position changes without complete disassembly and specialized tools.
2Adaptability or versatility
If traditional cam adjustment methods are used, then cam position can be adjusted, but the process is complex and cannot be performed by end users in the field
Solution Approach 1:
The adjustment assembly is designed to be self-contained and self-explanatory, allowing end users to perform adjustments without specialized tools or expert assistance. The mechanism includes intuitive components that can be operated directly by the user through simple actions like rotating an adjustment member or pressing a release button.
Solution Approach 2:
The adjustment assembly serves multiple functions within a single integrated design: it allows lateral displacement of the cam, locks the cam in position, and can be released for re-adjustment. This multi-functionality eliminates the need for separate tools for each operation, simplifying the overall process for field use.
3Manufacturing precision
If cam position is adjusted laterally, then tuning precision is improved, but the mechanism becomes more complex
Solution Approach 1:
The adjustment mechanism transforms the static cam position into a dynamic, adjustable position. The cam can be laterally displaced along the limb assembly through rotation of an adjustment member, allowing precise positioning. The locking mechanism then freezes this dynamic adjustment into a stable, precise position.
Solution Approach 2:
The adjustment assembly uses nested components where smaller elements are contained within larger structures. The adjustment member is nested within the locking mechanism, which is nested within the overall cam assembly. This nesting allows precise adjustment functionality to be integrated without significantly increasing the external dimensions or overall complexity.
Data Source
AI summary
An archery cam adjustment assembly for an archery bow includes an axle extending along an axis from a first end to an opposing second end and structured to traverse a limb of an archery bow. The axle further includes a central portion defining a plurality of threads. A cam support is structured to support a cam and to engage the central portion of the axle. A securing member is structured to be moved between a locked and an unlocked state. In the unlocked state, the axle is enabled to rotate freely relative to the cam support to move the cam support along the axis and displace the cam in a lateral direction with respect to the limb. In the locked state, the axle is inhibited from rotating relative to the cam support and the cam support is inhibited from moving along the axis.