Caster Deflector Tab for Obstacle Management
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Wheeled vehicles, such as equipment carts and consoles, often encounter obstacles like cables and floor ledges that inhibit wheel rotation, potentially causing the vehicle to tip over and leading to operator frustration, as existing technologies fail to effectively manage these obstacles during movement.
Innovation Solution
A caster assembly with a deflector tab that is pivotably coupled to the caster housing and can switch between a pusher position to clear movable obstacles and a ramp position to overcome fixed obstacles, utilizing a retaining element like magnets or springs to facilitate smooth navigation over various impediments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed caster wheel is used, then the structure is simple, but the wheel cannot navigate obstacles and may tip over
Solution Approach 1:
The deflector tab is made movable between a retracted position (for simple navigation) and an extended position (for obstacle management). This dynamic element allows the caster to adapt to different obstacle types, improving reliability without permanently increasing structural complexity.
Solution Approach 2:
The caster wheel is segmented into a wheel portion and a separate deflector tab portion. This segmentation allows the deflector tab to be independently positioned and configured to handle obstacles, while the wheel maintains its basic rolling function.
2Adaptability or versatility
If a deflector tab is added to manage obstacles, then obstacle navigation improves, but the device complexity increases
Solution Approach 1:
The deflector tab is designed as a movable component that can dynamically adjust its position based on obstacle type. It extends to push mobile obstacles and retracts or forms ramps for fixed obstacles, providing adaptability without requiring multiple separate components.
Solution Approach 2:
The single deflector tab component serves multiple functions: it acts as a pusher for mobile obstacles, forms a ramp for fixed obstacles, and can be retracted when not needed. This multi-functionality reduces the need for multiple specialized components.
3Ease of operation
If the deflector tab is held in pusher position, then mobile obstacles are pushed away, but fixed obstacles cannot be traversed
Solution Approach 1:
The deflector tab's position is dynamically adjusted based on the type of obstacle encountered. Mobile obstacles trigger the pusher position, while fixed obstacles cause the tab to pivot into a ramp configuration, allowing the same component to handle both obstacle types effectively.
Solution Approach 2:
The deflector tab changes its geometric configuration parameter based on obstacle type. In the pusher position, it extends horizontally to push mobile obstacles. When encountering fixed obstacles, it pivots to create a ramp angle, changing the critical parameter from horizontal extension to angular inclination.
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
The caster assembly effectively prevents wheel inhibition by pushing movable obstacles out of the way and providing a ramped surface to traverse fixed obstacles, ensuring stable and efficient movement of wheeled vehicles, thereby reducing the risk of tipping and operator frustration.
Implementation Method 1
the retaining element may be a spring loaded axle coupling the deflector to the caster housing
Implementation Method 2
The first retaining element and the second retaining element may be configured to hold (e.g., via an attractive force between the first and second retaining element) the deflector tab in the pusher position
Data Source
Figure 1
Figure 2a~2c
Figure 2d~2f
AI summary
In various embodiments, a caster assembly may include a wheel rotatably coupled to a caster housing and a deflector tab pivotably coupled to the caster housing and offset from an outer wheel circumference for use in moving or traversing obstacles encountered during wheel movement. In some embodiments, the deflector tab may include at least one retaining element configured to hold the deflector tab in a pusher position or allow movement of the deflector tab into a ramp position. In the pusher position, the deflector tab may push a mobile obstacle in front of the wheel motion. In the ramp position, the deflector tab may facilitate moving the wheels over a fixed obstacle.