Telescopic Marking Assembly with Pivoting Tube
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Solution Overview
Problem
Existing marking devices are ineffective for reaching and marking objects that are out of a user's reach without the need for ladders or other elevating tools.
Innovation Solution
A telescopic marking device with an adjustable rod and pivotally coupled tube allows a writing utensil to be positioned at various angles, enabling marking on elevated objects without additional support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a standard marking device is used, then the device structure is simple, but the device cannot reach objects that are out of the user's reach
Solution Approach 1:
The rod is divided into multiple telescopic sections that can slide relative to each other, allowing the rod to extend to various lengths. This segmentation enables the device to reach distant objects while maintaining a compact form when retracted, directly resolving the contradiction between reach distance and device complexity.
Solution Approach 2:
The rod transitions from a fixed length to a dynamically adjustable length through telescopic sections. This dynamic capability allows the device to adapt its reach distance to different working conditions, solving the problem of reaching objects at various distances without requiring multiple fixed-length devices.
2Adaptability or versatility
If a fixed rod is used, then the device structure is simple, but the device cannot be positioned at various angles for marking on elevated surfaces
Solution Approach 1:
The tube is made pivotally coupled to the rod, transforming it from a fixed component to a dynamically adjustable one. This allows the tube to be positioned at various angles relative to the rod, enabling marking on surfaces at different orientations and elevations, thus resolving the contradiction between positioning flexibility and device complexity.
Solution Approach 2:
The pivotal coupling introduces rotational freedom in a new dimension, allowing the tube to move from a single fixed position to multiple angular positions. This dimensional change enables the device to access and mark objects on elevated surfaces at various angles, directly addressing the adaptability requirement.
3Length of moving object
If the rod is extended to reach distant objects, then the reach distance is improved, but the stability of the device decreases
Solution Approach 1:
The telescopic rod is divided into multiple sections that can extend incrementally. This segmentation allows the user to extend the rod only to the necessary length rather than fully extending it, maintaining stability while achieving sufficient reach. The segmented structure also distributes the mechanical stress across multiple joints, improving overall stability.
Data Source
AI summary
A telescopic marking assembly for marking on a surface or object that is out of a user's reach includes a rod that has an adjustable length. The rod is selectively extended to reach an object that is out of a user's reach. A tube is movably coupled to the rod and the tube is selectively positionable at a selected angle with respect to the rod. The tube insertably receives a writing utensil thereby facilitating the writing utensil to write on the object that is out of reach.