Integral Riveting Structure for Metal Elements

The patent merges the coupling function directly into the metal elements themselves by forming protrusion portions and recess portions as integral parts of the work pieces. This eliminates the need for separate fastening components like screws or rivets, and simplifies the coupling process to a single pressing operation that simultaneously achieves alignment and bonding, thereby reducing both manufacturing cost and coupling time

The protrusion portions and recess portions are pre-formed on the metal elements during their respective manufacturing processes. This preliminary action ensures that when the elements need to be coupled, the alignment features are already in place, eliminating the need for separate alignment operations and enabling direct pressing coupling, which reduces overall manufacturing time and cost

The patent extracts and eliminates the need for additional riveting media by forming the coupling features (protrusion portions and recess portions) directly on the metal elements themselves. The coupling strength is achieved through the deformation and interlocking of these integrated features rather than through separate rivets or fasteners, thereby simplifying the overall structure while maintaining sufficient coupling strength

The metal elements serve their own coupling function by having protrusion portions and recess portions formed as integral parts of their structure. Instead of requiring external riveting media to create the coupling, the elements themselves provide the necessary coupling features, eliminating the need for additional components and reducing structural complexity