Tumble Dryer Rolling Mount for Stable 360° Maneuvering
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Solution Overview
Problem
Existing rolling devices for tumble dryers are difficult to maneuver, lack stability, and require high assembly effort, with limited directional control and inability to be retrofitted or easily attached to existing frames.
Innovation Solution
A rolling device with a carrier body attached to the tumble dryer's frame, featuring rotatable rollers or balls that can be offset and adjusted for secure standing or mobility, allowing easy attachment and detachment without tools, and enabling 360° rotation for improved maneuverability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If rigid rollers are clamped to the lower edge of the stand frame using vertical and horizontal guides, then the rolling function is achieved, but the device becomes difficult to maneuver and assembly work is high
Solution Approach 1:
The rolling device is divided into separate functional components: a carrier body that attaches to the stand frame and rollers that are mounted on the carrier body. This segmentation allows each component to be optimized independently and simplifies assembly by allowing the carrier body to be pre-assembled and then attached as a single unit to the stand frame.
Solution Approach 2:
The carrier body is designed to be tiltable relative to the stand frame, allowing dynamic adjustment of the roller position. This tilting mechanism enables the roller to be raised above the ground when not in use (improving stability) and lowered to contact the ground when rolling is needed (improving maneuverability).
2Ease of operation
If a roller is rotatably held on the horizontal bar to enable rolling movement, then the tumble dryer can be moved, but the stability is limited and the dryer must be positioned at a slight angle
Solution Approach 1:
The carrier body is designed to tilt between two stable positions: a first tilted position where the roller contacts the ground for rolling, and a second tilted position where the roller is raised above the ground for stable standing. This dynamic positioning allows the device to switch between mobility and stability as needed, eliminating the need for continuous angled positioning.
Solution Approach 2:
The carrier body's tilting mechanism preliminarily positions the roller above the ground during the standing phase, preventing unwanted rolling and maintaining stability before any rolling action is initiated. This preliminary positioning counteracts the potential instability that would exist if the roller were always in contact with the ground.
3Ease of operation
If the roller is always active on one side, then rolling function is provided, but the stability of the dryer is limited on the opposite side
Solution Approach 1:
The rolling device is segmented into a carrier body and rollers, where the carrier body can be independently tilted. This segmentation allows the roller to be decoupled from the stand frame's main structure, enabling the roller to be positioned above ground level when not in use, thereby maintaining stability on the opposite side while preserving rolling functionality when needed.
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 solution provides a cost-effective, stable, and easily attachable rolling aid that enhances the mobility and stability of tumble dryers, allowing for easy handling and cornering, while maintaining secure standing and reducing assembly complexity.
Implementation Method 1
a roller (4) arranged on the boom (3) and containing a bearing for the roller, which is held on the boom in a rotatable manner about a horizontal axis
Data Source
Figure 1~2
AI summary
The device has a rolling unit fastenable to a mounting portion of a stand frame (1) i.e. linear bar. A support structure (6) is fastenable at the stand frame by a detent connection such that the rolling unit is arranged at the support structure. The support structure retains a vertical portion of the stand frame. The rolling unit is designed as an enclosed roller ball, which is lifted with a lower ball section on a substrate. The rolling unit is designed as a roller (4), which is rotatably supported at an intersect (3) of the support structure around a rolling axis. An independent claim is also included for a laundry dryer.