Mirror Cabinet Shelf Latching for Tool-Free Height Adjustment
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Solution Overview
Problem
Existing mirror cabinets with height-adjustable glass shelves require tools and measuring devices for assembly, posing risks of damage and complexity, and may result in insecure attachment leading to shelf instability and potential breakage.
Innovation Solution
The design features grooves with multiple latching openings and a latching bolt held by spring force, allowing for tool-free and measure-free adjustment of glass shelves, ensuring secure attachment without the need for tools or measuring devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If clamping screws are used to fix glass shelves, then the glass shelves can be attached securely, but tools are required and the risk of damage to the mirror increases
Solution Approach 1:
The harmful tool (screwdriver) is extracted from the assembly process. Instead of using clamping screws that require a screwdriver, the invention uses a tool-free latching mechanism where the support is simply inserted into the groove and automatically latches onto latching openings, eliminating the risk of mirror damage from tool usage.
Solution Approach 2:
The support performs self-service by automatically latching onto the groove structure without external tools. The latching bolt with spring force automatically engages with the latching openings when the support is inserted, providing secure attachment without requiring user intervention with tools.
2Adaptability or versatility
If clamping screws are used for height adjustment, then the glass shelves can be positioned at different heights, but a meter rule and assembly skill are required increasing complexity
Solution Approach 1:
The continuous groove is segmented into discrete latching openings at specific height positions. Instead of requiring precise measurement for continuous positioning, the support latches onto pre-defined openings, providing height adjustability through discrete segments that eliminate the need for meter rules and complex measurement procedures.
3Reliability
If clamping screws are used to hold glass shelves, then the shelves can be secured, but insufficient tightening can cause shelves to slip and break
Solution Approach 1:
The support provides self-service by automatically achieving the correct clamping force through the spring-loaded latching bolt mechanism. When inserted into the groove, the spring force automatically engages the latching bolt with the latching openings, ensuring secure holding without requiring the user to judge or apply specific tightening forces.
Solution Approach 2:
The spring force in the latching bolt provides beforehand cushioning by pre-loading the latching mechanism with sufficient force to securely hold the glass shelf. This pre-applied force ensures that the shelf is firmly secured from the moment of insertion, preventing any slippage that could lead to breakage.
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
Enables easy and secure self-assembly of glass shelves without tools or measuring devices, preventing breakage and ensuring stable shelf positioning.
Implementation Method 1
each groove has a large number of latching openings arranged at a distance from one another and that the support has a latching bolt which latches into them and is held in them by spring force
Data Source
Figure 1~2
Figure 3
Figure 4~5
AI summary
The mirror cabinet (10) has bearings (12) for glass shelves (11), which are arranged in an interior (15) in height-adjustable manner along a groove (13) in each side wall (14). Each groove has multiple spaced locking openings. The bearing has a locking bolt locked into the bearing and held in the bearing based on the spring force.