Dual-Scale Angular Adjustment Assembly for Better Scale Legibility
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Solution Overview
Problem
Manual angular adjustment mechanisms for axially symmetrical parts face challenges in legibility due to the small size of standard and Vernier scales on precision adjustment screws, affecting the quality of adjustments.
Innovation Solution
An assembly with a larger measuring scale positioned on the fixed mount and a Vernier scale on the mobile part, optimizing legibility by utilizing the available surface area effectively, allowing for precise angular adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a standard scale is positioned on the mobile part, then the device allows angular adjustment, but the scale size is reduced and legibility deteriorates
Solution Approach 1:
The patent relocates the standard scale from the mobile part to the fixed mount, utilizing the two-dimensional surface area of the fixed structure. This dimensional transition allows the scale to be positioned in a location with sufficient space, thereby maintaining large, legible markings while preserving the angular adjustment functionality on the mobile part.
Solution Approach 2:
The patent divides the measurement system into two separate components: a standard scale on the fixed mount and a Vernier scale on the mobile part. This segmentation allows each scale to be optimized independently - the standard scale can be large and legible on the fixed structure, while the Vernier scale provides precise readings on the mobile component, resolving the contradiction between functionality and legibility.
2Measurement precision
If a Vernier scale is used on the mobile part, then measurement precision is improved, but the scale size remains limited by the part diameter
Solution Approach 1:
The standard scale is moved from the constrained mobile part to the fixed mount, accessing a larger surface area in a different spatial dimension. This allows the creation of a large, legible scale without being limited by the small diameter of the mobile adjustment screw, while the Vernier scale remains on the mobile part for precise measurements.
Solution Approach 2:
The fixed mount acts as an intermediary structure that hosts the standard scale. This intermediary provides a stable, spacious platform for the scale markings, separating the measurement function from the constrained mobile part while maintaining the precision measurement capability through the Vernier scale on the mobile component.
Data Source
AI summary
A mechanism for the optimisation of a manual angular adjustment.The object of this invention concerns an assembly including:A fixed mount (1);A part (2) having at least one approximately circular face mounted on the fixed mount (1) so that the part (2) is mounted so as to be mobile in rotation around an axis approximately centred on the circularcharacterised in that the assembly also includes a device for the positional adjustment of the part in relation to the mount including at least:One first scale (4) in an area (5) linked to the fixed mount (1) positioned on at least one portion of the periphery of the mobile part (2), the first scale (4) being a measuring scale;One second scale (6) positioned on the circular face of the mobile part (2), the second scale (6) being a Vernier scale.