Extendable Level Braking and Bushing Design for Coplanar Edges
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Solution Overview
Problem
Existing extendable levels face challenges in maintaining the coplanarity of working surfaces while providing a robust and easy-to-use extendable body design and locking/braking mechanism.
Innovation Solution
The level features a frame with a movable extension and a braking mechanism that allows for adjustable friction, along with bushings that exert a spring force to maintain engagement between the frame and the extension, enabling smooth and stable length adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a braking mechanism is added to control friction between frame and extension, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
A braking mechanism is introduced as an intermediary component between the frame and extension. This mediator controls the frictional force that resists movement between these two components, allowing the user to adjust the ease with which the extension can be slid relative to the frame. The braking mechanism acts as a controllable intermediary that modulates the interaction between the frame and extension.
2Reliability
If bushings with spring force are used to maintain engagement between frame and extension, then the reliability of the connection is improved, but the device complexity increases
Solution Approach 1:
Spring-loaded bushings are employed to exert a continuous outward force that pushes the frame and extension away from each other, maintaining reliable engagement between these components. The spring force acts as a counterbalancing force that ensures constant contact and stable connection between the frame and extension, preventing loosening or disengagement during use.
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
This configuration allows the level to be adjusted to various lengths while maintaining a continuous coplanar working surface, enhancing usability and accuracy in leveling applications.
Implementation Method 1
The level comprises one or more bushings that comprise a spring exerting a force between the frame and the extension
Implementation Method 2
The level comprises a braking mechanism that frictionally resists movement between the frame and the extension
Data Source
AI summary
An extendible or adjustable length level is provided. The level includes a frame, a slidable member, and a bushing. The slidable member is coupled to the frame and extends and retracts along the frame. The bushing is coupled to one of the frame or the slidable member and couples the frame and slidable member together.