Mobile Stand with Segmented Roller Carrier and Restoring Element
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Solution Overview
Problem
Conventional mobile stands are cumbersome and unsafe due to the high weight of the stand element and the object being lifted during transitions between standing and driving positions, leading to excessive torque and potential instability.
Innovation Solution
The mobile stand design features a roller carrier with attached receptacle, a restoring element between the stand element and roller carrier, and an actuating device that relieves the stand element's weight in the driving position, allowing for easier handling and maintaining stability with minimal mechanical effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the stand element is made heavy to ensure stability, then stability is improved, but the effort required to move the stand between positions increases
Solution Approach 1:
The stand system is divided into two functional parts: a heavy stand element for stability and a lighter roller carrier for mobility. The stand element can remain stationary on the ground while the roller carrier with rollers is moved independently, eliminating the need to move the entire heavy assembly.
Solution Approach 2:
The roller carrier acts as an intermediary between the heavy stand element and the ground. It provides a mobile platform with rollers that can be easily moved, while the stand element remains stationary and provides stability. This separates the mobility function from the stability function.
2Stability of the object's composition
If the stand element is made heavy to ensure stability, then stability is improved, but the torque on the actuating device increases leading to safety risks
Solution Approach 1:
The system segments the heavy stand element from the mobile roller carrier. The actuating device only needs to maneuver the lighter roller carrier rather than the entire heavy assembly, dramatically reducing the torque requirements and safety risks associated with actuation.
Solution Approach 2:
The heavy stand element serves itself by remaining stationary on the ground and providing stability through its own weight. The mobile roller carrier handles all movement operations independently, eliminating the need for the actuating device to manage the full weight of the stand element.
3Device complexity
If the receptacle is attached to the stand element, then the structure is simplified, but the weight must be lifted during position transitions
Solution Approach 1:
The receptacle is attached to the mobile roller carrier rather than the heavy stand element. This segmentation allows the receptacle to move with the lighter roller carrier during position transitions, eliminating the need to lift heavy weights while maintaining structural simplicity within each segment.
4Stability of the object's composition
If the base is lowered onto the ground for stationary parking, then stability is improved, but the lifting device must handle high torques
Solution Approach 1:
The lifting device only needs to lift the mobile roller carrier with the receptacle, not the entire heavy stand element. This segmentation dramatically reduces the power and torque requirements of the lifting device while the stand element remains stationary on the ground providing stability.
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 design reduces the effort required to switch between positions, enhances safety by preventing tilting, and ensures the stand element remains stable and secure, with the weight of the object and stand resting on the roller carrier, facilitating easy movement.
Implementation Method 1
at least one return element being arranged between the standing element and the roller carrier, so that the standing element and the roller carrier are coupled directly to one another via the return element, with the return element exerting a restoring force
Implementation Method 2
the actuating device comprising a lever which can be pivoted about a pivot point and is articulated on the roller carrier, with a load arm of the lever holding the stand element in the standing position inherently stable
Data Source
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AI summary
The invention relates to a mobile stand (2) for holding an object, comprising a stand element (6) for stationary placement of the stand (2) on a surface (8) in a stationary position, a roller carrier (16) with at least three rollers (18) designed to roll on the surface (8) in a mobile position, so that the stand (2) is mobile, a receptacle (4) via which the object to be held can be coupled to the stand (2), and an actuating device (24) with which the stand element (6) can be moved between the stationary position and the mobile position. The receptacle (4) for the object to be held is attached to the roller carrier (16).