Leafless Enclosure Joint for Pivoting and Sliding Access
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current attachment systems for enclosures, such as HVAC control boxes, face challenges in providing flexible access due to clearance issues, requiring either permanent fastening or snap-type fittings that are not secure or protective, and increase manufacturing and inventory costs with diverse design concepts.
Innovation Solution
A leafless joint apparatus that allows a cover to pivot, slide, or be completely removed from an enclosure housing without permanent fastening, using a cylindrical receiving member and engaging member for articulation, enabling two degrees of freedom for access while minimizing manufacturing and inventory costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional hinge with leafs and fasteners is used to attach a cover to an enclosure, then the cover can pivot open, but the structure becomes complex and requires permanent fastening
Solution Approach 1:
The patent removes the leafs from the conventional hinge structure, retaining only the essential pin and knuckle components. This extraction simplifies the hinge to a leafless design that achieves the same pivoting function with fewer parts, directly resolving the contradiction between operational capability and structural complexity
Solution Approach 2:
The simplified leafless hinge design serves multiple functions: it allows pivoting motion, provides structural support, and enables easy assembly/disassembly without permanent fastening. This multi-functionality replaces what would otherwise require multiple separate components, reducing overall device complexity while maintaining operational ease
2Reliability
If permanent fastening methods are used to secure the cover, then the attachment is secure, but the cover cannot be easily removed or slid open
Solution Approach 1:
The attachment system transitions from a static permanent fastening to a dynamic reversible connection. The leafless hinge with its pin and knuckle design allows the cover to move between fixed (closed) and movable (open/removed) states, providing both security when closed and adaptability when access is needed
Solution Approach 2:
The attachment system is segmented into distinct components (pin, knuckle, cover, housing) that can move independently. This segmentation allows the cover to be securely attached in the closed position while enabling easy removal or sliding motion when required, resolving the contradiction between security and versatility
3Adaptability or versatility
If diverse attachment system designs are used to meet different access needs, then various access requirements are satisfied, but manufacturing and inventory costs increase
Solution Approach 1:
The leafless hinge design serves as a universal attachment mechanism that can accommodate different access requirements (pivoting, sliding, complete removal) through a single standardized component design. This universality eliminates the need for multiple specialized attachment systems, directly reducing manufacturing complexity and inventory variety while maintaining access flexibility
Solution Approach 2:
Instead of creating different attachment systems for different access needs, the patent inverts the approach by creating a single attachment system that provides all access options. The leafless hinge design allows the cover to perform multiple functions (pivot, slide, remove) that would traditionally require separate mechanisms, thereby simplifying manufacturing and inventory
Data Source
AI summary
A leafless joint apparatus that couples an enclosure housing to an enclosure cover or door. Similar to previous hinge apparatuses, the leafless joint apparatus can include a knuckle and a pintel or pin to facilitate pivot operations (e.g., the cover pivoting open). However, the leafless joint apparatus does not rely on leafs that attach by means of fasteners (e.g., screws or the like) and therefore can facilitate sliding operations (e.g., the cover can slide open). Thus, the leafless joint apparatus can facilitate access to an interior of the enclosure by way repositioning the cover of the enclosure via a pivot or hinging operation or via a sliding operation that can partially or fully expose the interior of the enclosure and even, if desired, slide entirely off, decoupling from the enclosure housing.