Pivot Latch Handle Mechanism for Easier Server Node Removal
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Solution Overview
Problem
Existing information handling systems face challenges in efficiently removing and inserting sleds due to handles being too close to side panels, requiring excessive force, especially for heavy and long nodes, which complicates manual handling.
Innovation Solution
A pivot latch hardware system with a main support, hinge, latch handle, and button that transitions between positions, allowing for easy access and reduced manual effort by automatically rotating and extending to facilitate sled removal and insertion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the handle is positioned close to the side panel to save space, then the device structure is more compact, but excessive force is required for manual handling
Solution Approach 1:
The latch handle is designed to pivot between a retracted position (close to the side panel) and an extended position (protruding outward). This dynamic positioning allows the handle to be compact during normal operation while extending to provide leverage when manual handling is needed, resolving the contradiction between space utilization and ease of operation
Solution Approach 2:
The latch mechanism incorporates a pivot dimension that allows the handle to move perpendicular to the side panel surface. By utilizing this additional spatial dimension, the handle can extend outward when needed for handling without permanently occupying additional space, thus maintaining compactness while improving manual handling capability
2Weight of moving object
If excessive force is applied to remove heavy and long nodes, then the node can be removed, but the operation becomes difficult and potentially damaging
Solution Approach 1:
The latch handle acts as an intermediary mechanical advantage device between the user and the heavy node. By extending the handle outward, it creates a longer lever arm that reduces the force required by the user to overcome the weight and friction of heavy nodes, making removal easier without risking damage
Solution Approach 2:
The latch mechanism dynamically extends to provide additional leverage when heavy nodes need to be removed. This dynamic extension creates a mechanical advantage that reduces the force requirement, allowing heavy nodes to be handled easily without applying excessive force that could cause damage
3Device complexity
If the latch handle remains in a fixed position, then the structure is simpler, but accessibility and ease of handling are reduced
Solution Approach 1:
The latch handle transitions from a fixed position to a pivoting mechanism with two distinct positions (retracted and extended). This dynamic design provides accessibility when extended while maintaining a compact profile when retracted, improving ease of operation with only moderate increases in structural complexity
Solution Approach 2:
The pivoting latch handle serves multiple functions: it acts as a compact structural element when retracted and as an extended leverage tool when protruding. This multi-functionality improves accessibility and ease of handling for various operations while keeping the overall structure relatively simple
Data Source
AI summary
A pivot latch for a node of an information handling system including a main support, a hinge, a latch handle, and a button. The main support attaches to the node. The hinge is located at the end of the main support. The latch handle extends downward from the hinge. The latch handle transitions between a default position and a perpendicular position. A force is exerted against the latch handle when the latch handle is in the perpendicular position. The button is in physical communication with the main support and with the latch handle. When the button is moved to an unlock position, the latch handle automatically rotates a partial distance between the default position and the perpendicular position.