Laundry Door Assembly with Exchangeable Hinge and Handle Positions
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Solution Overview
Problem
Conventional laundry treatment apparatuses present difficulties for left-handed users due to fixed positions of the hinge and handle assemblies, making it inconvenient for them to open or close the door, and exchanging these positions is complicated and not user-friendly.
Innovation Solution
The apparatus allows for the exchangeable positions of the hinge and handle assemblies, enabling them to be easily swapped, with a power cable system and latch mechanism that facilitates this change, ensuring the door can be operated with either hand by adjusting the coupling positions in a point reflection manner.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the hinge assembly and handle assembly are fixed at specific positions on the door, then the door can be easily manufactured and assembled, but left-handed users experience difficulty in opening or closing the door
Solution Approach 1:
The patent makes the door assembly configurable with hinge and handle assemblies that can be positioned at different locations. The hinge assembly is detachably coupled to the door assembly, allowing it to be repositioned between a first position (right side) and a second position (left side). This dynamic reconfigurability enables the door to adapt to both right-handed and left-handed users while maintaining ease of operation.
2Ease of operation
If the positions of the hinge assembly and handle assembly are exchanged to accommodate left-handed users, then user convenience is improved, but the exchange process becomes complicated
Solution Approach 1:
The patent divides the door assembly into separable components: the hinge assembly, the handle assembly, and the door assembly itself. The hinge assembly is detachably coupled to the door assembly, allowing it to be easily removed and repositioned. This segmentation enables users to exchange the positions of the hinge and handle assemblies without complicated procedures, simply by detaching and reattaching the hinge assembly at the desired location.
Solution Approach 2:
The hinge assembly is designed with universal coupling mechanisms that allow it to be attached at multiple positions on the door assembly. The detachable coupling system enables the hinge assembly to function at either the first position (right side) or the second position (left side) with the same coupling mechanism, simplifying the exchange process and reducing the need for different hardware configurations.
3Adaptability or versatility
If the hinge assembly is detachably coupled to the door assembly, then the hinge and handle positions can be exchanged, but the structural stability of the door may be compromised
Solution Approach 1:
The hinge assembly is designed with preliminary coupling features that ensure stable attachment when installed. The detachable coupling mechanism includes pre-configured coupling elements that, when properly engaged, provide stable and secure connection between the hinge assembly and the door assembly. This preliminary design of the coupling mechanism ensures that while the hinge can be repositioned, each installation maintains structural stability.
Data Source
Figure 1
Figure 2(a)~2(b)
Figure 3(a)~3(b)
AI summary
Laundry treatment apparatus including a cabinet (10) providing an accommodation space, a drum rotatably provided inside the cabinet (10), a front cover unit (100) provided on a portion of a front surface of the cabinet (10) and having a cover hole (111) provided to enable introduction and discharge of laundry into the drum, and a door assembly (130) provided on the front cover unit (100) so as to open or close the cover hole (111), whereby the door assembly (130) includes a hinge unit (140) having one side separably coupled to the front cover unit (100) and a remaining side separably coupled to the door assembly (130), so as to rotate the door assembly (130), and a handle unit (150) separably coupled to the door assembly, (130), the hinge unit (140) and the handle unit (150) being separably coupled to the door assembly (130) by exchanging positions thereof.