Housing Assemblies Using Interlocking Metal Frames
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Solution Overview
Problem
Fully stainless-steel housing assemblies for computing devices are excessively heavy and costly due to manufacturing complexities, making them impractical for widespread use.
Innovation Solution
The use of a housing assembly that combines a forged stainless-steel band side-frame element with a die-cast aluminum internal-frame element, where the side-frame element features elongated slots with undercuts to securely interlock with the internal-frame element.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a fully stainless-steel housing assembly is used, then cosmetic finishing and perceived quality are improved, but weight and manufacturing cost increase excessively
Solution Approach 1:
The housing assembly combines stainless-steel side-frame elements for cosmetic finishing with aluminum internal-frame elements for structural support, creating a composite structure that achieves the desired aesthetic quality while significantly reducing overall weight compared to a fully stainless-steel assembly
2Shape
If a fully stainless-steel housing assembly is used, then perceived quality is improved, but manufacturing complexity and cost increase
Solution Approach 1:
By using different materials for different components (stainless steel for side frames, aluminum for internal frames), the patent enables each material to be processed using its optimal manufacturing method, reducing overall manufacturing complexity despite the multi-material approach
Solution Approach 2:
The housing assembly is divided into separate side-frame elements and internal-frame elements that can be manufactured independently and then assembled, allowing each component to be optimized for its specific material properties and manufacturing processes
3Adaptability or versatility
If multiple component modules are assembled within the housing, then device functionality is improved, but alignment and assembly complexity increase
Solution Approach 1:
The housing is segmented into modular side-frame and internal-frame elements with standardized interconnection features, creating a platform that can accommodate multiple component modules while simplifying assembly through repeated use of the same connection mechanisms
Solution Approach 2:
The internal-frame elements are nested within the side-frame elements, with interlocking features that automatically align components, reducing assembly complexity while supporting multiple functional modules
Data Source
AI summary
Techniques and apparatuses are described that implement housing assemblies for computing devices. In aspects, a housing assembly includes an elongated side-frame element comprising a first metal and a cast internal frame comprising a second, different, metal. The melting point of the first metal is higher than the melting point of the second metal. The elongated side-frame element may include at least one elongated slot disposed on an inner surface of the elongated side-frame element, with the elongated slot oriented parallel to the elongated side-frame element. The slot may include at least one undercut. The cast internal frame may include an elongated interlock flange that extends from an internal frame body. The elongated interlock flange received into the elongated slot of the elongated side-frame element. This document also describes methods for manufacturing a computing device housing assembly and a product-by-process.