Pivotable Line Guide for Road Marking Apparatus
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Solution Overview
Problem
Existing line marking apparatuses are complex and costly to manufacture, lack versatility in adjustment range, are difficult to store and transport due to protruding components, and risk damage or misplacement during transportation.
Innovation Solution
A line marking apparatus with a pivotably mounted line guide that can be easily deployed and stored, featuring an adjustable stub axle and a receiving structure on the housing to minimize footprint and protect components during transport, allowing for adjustable line width and reduced wear on surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the line guide assembly is made separable from the line marking apparatus for storage and transportation, then the storage and transportation space is reduced, but the line guide assembly can be mislaid
Solution Approach 1:
The line guide assembly is nested within a receiving structure formed on the housing of the line marking apparatus. The receiving structure includes a recess that accommodates the line guide assembly, allowing it to be stored inside the housing rather than externally. This nesting approach reduces the overall volume for transportation while maintaining integration to prevent misplacement.
2Ease of operation
If the line guide assembly protrudes from the line marking apparatus, then it is easily accessible for operation, but it can be damaged or difficult to fit within restricted transportation space
Solution Approach 1:
The line guide assembly is mounted on an arm that is pivotably mounted relative to the housing, allowing it to move between a deployed configuration (protruding for operation) and a stored configuration (retracted within the receiving structure). This dynamic mounting enables the line guide to be accessible during use but protected during transportation, eliminating the need for permanent protrusion or separate storage.
3Adaptability or versatility
If the line guide is made adjustable in position, then the adjustment range is increased, but the manufacturing complexity and cost increase
Solution Approach 1:
The adjustment mechanism is segmented into discrete components: the line guide assembly mounted on an arm, the stub axle with adjustable positioning features, and the receiving structure on the housing. The stub axle can be positioned at different locations along the arm and locked into place, providing adjustable positioning without requiring complex continuous adjustment mechanisms. This segmentation allows for simple, cost-effective manufacturing while achieving the desired adaptability.
Data Source
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AI summary
A line marking apparatus comprises a housing (1) provided with wheels (3), means (5) for propelling the apparatus, and a spray head (9) for delivering line marking material to a surface to be marked. At least one line guide (11) is provided for defining an edge of a line to be marked, the line guide being mounted on an arm (15) which is pivotably mounted relative to the remainder of the apparatus such that the line guide is movable between a deployed configuration and a stored configuration in which the line guide is received in receiving structure (23) formed on the housing.