Crossbow Sighter Laser Alignment Groove Axis
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Solution Overview
Problem
Current crossbow sight calibration methods require multiple bolt firings to align the sight with the groove axis, which is inefficient and prone to errors.
Innovation Solution
A crossbow sighter with a long, elongated body that positions a laser beam along the groove axis, using a proximal section within the groove and a distal section extending past the bow string to retain the sighter, ensuring accurate alignment with the crossbow groove.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple bolts are fired to calibrate the crossbow sight, then the sight can be gradually adjusted to align with the target point, but the calibration process becomes time-consuming and inefficient
Solution Approach 1:
The sighter device performs preliminary alignment by projecting a laser beam along the groove axis before actual firing. This preliminary action establishes the correct sight alignment without requiring multiple trial firings, thus resolving the contradiction between measurement precision and time consumption.
Solution Approach 2:
The sighter device acts as an intermediary tool between the crossbow and the target. It uses a laser beam as a mediator to visually indicate the groove axis, allowing the user to adjust the sight to align with this intermediate reference rather than directly aiming at the target through multiple firings.
2Reliability
If the sighter body is extended to be long enough to position in the groove and extend past the bow string, then retention in the groove is improved, but the device complexity increases
Solution Approach 1:
The sighter body is segmented into a proximal section that receives the laser and a distal section that extends past the bow string. This segmentation allows each section to serve its specific function while maintaining overall structural simplicity and reliability.
Solution Approach 2:
The sighter body extends in the longitudinal dimension along the groove axis, with the distal section projecting beyond the bow string plane. This dimensional extension provides mechanical retention without requiring complex retention mechanisms, as the extended portion naturally engages with the groove structure.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables precise and efficient alignment of the crossbow sight with the groove axis, minimizing errors and simplifying the calibration process by projecting a straight laser beam along the groove axis.
Implementation Method 1
a laser is mounted [in the proximal section], and that is received in the groove... a beam of laser light emitted from the sighter travels in a straight path along the axis of the crossbow groove
Data Source
AI summary
A crossbow sighter is used to align the sight used on a crossbow to the axis of the groove on the crossbow. In this manner, the cross bow bolt will strike close to, or at, the location sighted by the sight. The crossbow sighter fits into the groove and has a body with a length that extends past the bow string when the bow string is in its fully relaxed position. The bow string rests against the body and applies cross-axial pressure to the crossbow sighter and helps retain it in the groove while aligning the crossbow sight.