Bracket for Riser Card Installation Using Orthogonal Channels
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Solution Overview
Problem
The installation of expansion cards in Information Handling Systems (IHS) is complicated by physical constraints and inaccessibility of motherboard connectors, particularly in densely packed systems where users struggle to align and secure riser cards without damaging components or using tools.
Innovation Solution
A bracket system that includes a riser card portion and a card-receiving portion, where the riser card portion receives a riser card orthogonal to the expansion card, aligning pins with motherboard connectors using protrusions, and the card-receiving portion restricts vertical movement, allowing tool-free coupling and removal of expansion cards using a handle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a riser card is used to connect expansion cards to motherboard connectors in densely packed IHS, then the expansion card can be installed parallel to the motherboard, but the installation becomes complicated and inaccessible without tools
Solution Approach 1:
The bracket integrates multiple functions into a nested structure where the riser card portion receives the riser card, the card-receiving portion holds the expansion card, and channels are nested within the bracket structure to provide alignment and retention features without requiring separate components or tools
Solution Approach 2:
The bracket serves as an intermediary device between the user and the motherboard connector, providing protrusions that align with motherboard features to guide and simplify the connection process, making the installation accessible without specialized tools or knowledge
2Adaptability or versatility
If the IHS is densely packed with components, then more functionality is available, but the motherboard connectors become inaccessible and alignment is difficult
Solution Approach 1:
The bracket extends into the vertical dimension by receiving the riser card orthogonally to the expansion card, creating a three-dimensional installation path that bypasses the crowded horizontal space on the motherboard, allowing access to connectors that would otherwise be inaccessible in densely packed configurations
3Reliability
If traditional expansion card installation methods are used, then components can be secured, but tool-free installation and removal is not possible
Solution Approach 1:
The bracket's channels with retention features automatically secure the riser card and expansion card through their own structural design, eliminating the need for external tools or fasteners while maintaining reliable component security through the interlocking channel-retention mechanism
4Measurement precision
If the riser card is held at an angle to the expansion card, then proper alignment with motherboard connectors is achieved, but vertical movement and stability are compromised
Solution Approach 1:
The bracket employs asymmetric channel designs where the first channel receives the riser card at an angled orientation for proper alignment with motherboard connectors, while the second channel provides orthogonal reception with retention features that prevent vertical movement, creating different geometric constraints for different functional requirements
Data Source
AI summary
Brackets are provided for coupling a replaceable expansion card to an Information Handling System (IHS). The brackets include a riser card portion that receives a riser card that couples the expansion card to a motherboard connector of the IHS. The riser card includes pins that couple to the motherboard connector and a connector that receives the expansion card. The riser card portion of the bracket includes a first channel that receives the riser card orthogonal to the expansion card. A card-receiving portion of the bracket receives the expansion card that includes pins that couple to the riser card connector when the expansion card is inserted in the card-receiving portion. The card-receiving portion of the bracket also includes a second channel that receives the expansion card and restricts vertical movement of the installed expansion card and also restricts vertical movement of the riser card when coupled to the expansion card.