Patent ID: 11904376
Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Field: Machine tools (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 12:
13. An energy dissipation system according to claim 11, wherein:
each generally hemisphere-shaped, generally frusto-hemi sphere-shaped or generally sigma (Σ)-profiled embossment is spaced apart from each other embossment; and
each generally pyramid-shaped embossment comprises three, four, five or six triangular side portions and each generally frusto-pyramid-shaped embossment comprises three, four, five or six isosceles trapezoid-shaped side portions, wherein a base edge of each generally pyramid-shaped, generally frusto-pyramid-shaped or generally delta (Δ)-shaped embossment is substantially contiguous with a second base edge of an adjacent generally pyramid-shaped, generally frusto-pyramid-shaped or generally delta (Δ)-shaped embossment.