Riser Cage Bracket Latching Assembly for Tool-Free Fastening
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Solution Overview
Problem
Existing fasteners for securing riser cage assemblies in information processing devices are difficult to operate within tight space constraints, requiring multiple actions and are prone to loss during maintenance, leading to inefficient installation and removal processes.
Innovation Solution
A latching assembly for a riser cage bracket that includes a lever and a slider, allowing for easy operation by pushing or pulling the lever to fasten or release the assembly, with latching elements that engage and disengage with anchors to secure the bracket to the device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional fasteners are used to secure the riser cage bracket, then the bracket can be fastened to the device, but the fasteners are difficult to operate within tight space constraints and require multiple actions
Solution Approach 1:
The latching assembly is divided into distinct functional components: a lever for user interaction, a slider for linear motion, and latching elements for engagement. This segmentation allows each component to perform its specific function efficiently, with the lever converting rotational motion into linear slider movement that actuates the latching elements.
Solution Approach 2:
The latching assembly transitions from a static fastening state to a dynamic operation where the lever can be actuated to move the slider back and forth. This dynamic mechanism allows single-action operation where moving the lever between two positions automatically performs the fastening or release function without requiring multiple separate actions.
2Reliability
If traditional fasteners are used to secure the riser cage bracket, then the bracket can be fastened to the device, but the fasteners are prone to loss during maintenance
Solution Approach 1:
The latching elements are integrated directly into the slider component, which is itself attached to the lever assembly. This merging ensures that the fastening mechanism cannot be separated or lost independently - the latching elements remain permanently attached to the actuating mechanism, eliminating the risk of loss during maintenance operations.
Solution Approach 2:
The latching assembly is designed as a self-contained unit where the lever, slider, and latching elements work together as an integrated system. The mechanism serves itself by automatically engaging and disengaging the latching elements through lever actuation, without requiring separate fastener components that could be lost or require special handling during maintenance.
3Productivity
If traditional fasteners are used to secure the riser cage bracket, then the bracket can be fastened to the device, but the installation and removal processes are inefficient
Solution Approach 1:
The latching elements are pre-positioned on the slider in ready-to-engage configuration. When the lever is actuated, the latching elements are already positioned to quickly engage with the anchors without requiring additional adjustment or positioning steps, enabling rapid installation and removal operations.
Solution Approach 2:
The single-action lever mechanism allows the user to skip through multiple traditional fastening steps by consolidating the fastening or release operation into one swift motion. Moving the lever between its two positions rapidly actuates the latching elements, enabling the bracket to be secured or removed in a single action rather than through multiple time-consuming steps.
Data Source
Figure 1
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Figure 2B
AI summary
A riser cage assembly including a riser cage bracket and a latching assembly having a lever and a slider, is disclosed. The riser cage bracket includes a side portion and a window portion coupled perpendicularly to the side portion such that a space is defined between the side and window portions to receive and couple an expansion card to a riser card mounted on the side portion. The lever is rotatably coupled to the side portion and the slider is movably coupled to the lever and the side portion. The slider extends parallel to a longitudinal dimension of the side portion and includes first and second latching elements adjacent to distal and proximal ends, respectively, of the slider. The lever is actuatable to drive the slider to translate horizontally relative to the side portion between first and second positions corresponding to fastened and unfastened states, respectively, of the latching assembly.