Sliding closure for cabinets
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Solution Overview
Problem
Existing sliding closure systems for cabinets, particularly in emergency vehicles, face challenges in easy panel removal and replacement, especially when panels become scratched or damaged, and lack adequate durability to withstand impacts.
Innovation Solution
A frame assembly with sliding panels that includes interlocking stiffeners for enhanced durability and a panel support system with spring-loaded members for easy engagement and disengagement, allowing panels to be lifted and tilted for removal, and a securing member to prevent separation during impacts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If panels are securely fixed in the frame to prevent separation during impacts, then durability and reliability are improved, but ease of removal and replacement deteriorates
Solution Approach 1:
The panel support system is divided into separate components: panel supports with holding members that engage the panel edges, and a frame with channels. This segmentation allows the panel to be securely held during operation but easily removed when needed, resolving the contradiction between security and ease of removal.
Solution Approach 2:
The holding members are designed to dynamically engage and disengage from the panel edges. During normal operation, the holding members securely retain the panels to prevent impact separation. When removal is needed, the holding members can be easily actuated to release the panels, providing both security and ease of operation.
2Ease of operation
If panels are easily removable for replacement when scratched or damaged, then ease of operation is improved, but durability and security during impacts deteriorates
Solution Approach 1:
The panel supports and holding members are pre-installed in the frame channels, ready to securely engage the panels before any impact occurs. This preliminary setup ensures that when panels are installed, they are immediately secured against impact forces, while still maintaining ease of removal through the designed disengagement mechanism.
3Device complexity
If the frame structure is simplified to reduce complexity, then device complexity is reduced, but ability to provide secure panel retention and impact resistance deteriorates
Solution Approach 1:
The frame structure with channels and panel supports serves multiple functions: it provides structural support for the cabinet, secures panels during impacts through the holding members, and enables easy panel removal and replacement. This multi-functionality reduces the need for separate complex systems, achieving both simplicity and reliability.
Solution Approach 2:
The panel supports act as intermediary components between the frame and the panels. These intermediaries provide the secure retention mechanism during impacts while maintaining ease of removal, allowing the frame structure itself to remain relatively simple without compromising reliability.
4Ease of operation
If holding members are designed for easy disengagement to facilitate panel removal, then ease of operation is improved, but structural strength and impact resistance deteriorates
Solution Approach 1:
The holding members are designed with dynamic engagement characteristics: they provide strong retention forces during normal operation and impacts, but can be easily disengaged when needed. This dynamic behavior resolves the contradiction between ease of removal and impact resistance.
Solution Approach 2:
The holding members utilize spring-loaded or biasing mechanisms that change their engagement parameters. Under normal conditions, they maintain strong engagement for impact resistance. During removal operations, the biasing force enables easy disengagement, achieving both ease of operation and structural strength.
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 removal of panels, enhances durability by preventing panel separation during impacts, and maintains the cabinet's structural integrity, making it suitable for emergency vehicle storage.
Implementation Method 1
The panel support includes a spring-loaded member that engages to the panel and biases the panel into the channel
Implementation Method 2
A frame assembly with sliding panels that includes interlocking stiffeners for enhanced durability
Implementation Method 3
a securing member to prevent separation during impacts
Data Source
AI summary
A frame assembly with sliding panels is described. The frame assembly includes a frame having an upper section opposite of a lower section. The lower section of the frame defines a first channel and a second channel. A first sliding panel includes a first lower edge. A first panel support is removably engaged to the first lower edge. The first panel support includes a first holding member that engages to the first lower edge. The first panel support slides in the first channel. A second sliding panel includes a second lower edge. A second panel support is removably engaged to the second lower edge. The second panel support includes a second holding member that engages to the second lower edge. The second panel support slides in the second channel.