Ball Transfer Roller Assembly for Storage Units
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Solution Overview
Problem
Existing roller assemblies for storage units are limited in their ability to efficiently facilitate the rolling of storage units on surfaces, particularly on hard and flat floors, due to their design and material limitations.
Innovation Solution
A roller assembly comprising ball transfer type bearings and couplers, where the bearings are coupled to the bottom of the storage unit via couplers, allowing for smooth rolling by extending a ball from a sleeve that is securely attached to the storage unit's posts, enabling the unit to move along a surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional casters are used for storage units, then the storage unit can be moved on surfaces, but the rolling efficiency is limited due to design and material limitations
Solution Approach 1:
The patent changes the fundamental operating parameters of the roller assembly by using ball transfer bearings instead of traditional caster wheels. This allows the storage unit to roll in any direction (360-degree mobility) rather than being constrained to wheel rotation directions, dramatically improving rolling efficiency and maneuverability on hard floors
Solution Approach 2:
The invention replaces the traditional caster wheel mechanical system with a ball transfer bearing system. The ball transfer bearings use spherical geometry and ball elements to enable multi-directional rolling, substituting the conventional wheel-axle mechanism and achieving superior rolling efficiency without the design limitations of traditional casters
2Productivity
If ball transfer type bearings are used, then rolling efficiency is improved, but the coupling mechanism to the storage unit must be securely designed
Solution Approach 1:
The patent employs composite material construction in the coupling mechanism, combining aluminum or steel components with appropriate fastening systems. The coupling assembly integrates multiple materials to achieve both the strength required to support the storage unit load and the flexibility needed for secure attachment to the storage unit frame
Solution Approach 2:
The coupling mechanism is designed with pre-configured mounting features that align with standard storage unit post configurations. This preliminary design consideration ensures that when the ball transfer bearings are installed, the coupling is already optimized for both strength and ease of attachment, eliminating the need for complex field modifications
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 enables efficient rolling of storage units and their contents on various surfaces, including hard floors, with a range of load capacities and configurations suitable for different storage unit sizes and materials like carbon steel, stainless steel, nylon, and ceramic bearings.
Implementation Method 1
The bearings are ball transfer type
Data Source
AI summary
A roller assembly for a storage unit enabling rolling of the storage unit on a surface includes a set of bearings and a set of couplers. The bearings are ball transfer type. Each coupler is coupled to a respective bearing and is configured to couple to a bottom of the storage unit so that the coupler is coupled the respective bearing to the bottom of the storage unit. The set of bearings is configured to facilitate rolling of the storage unit and contents thereof along the surface.