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

Claim 9:
10. An energy-dissipating cover according to claim 1, wherein:
the metal is a ferrous alloy having a yield strength of at least 900 MPa, the nominal thickness is 1.0 to 1.5 mm, and each of the plurality of embossments is generally pyramid-shaped or generally frusto-pyramid-shaped;
the metal is a ferrous alloy having a yield strength of at least 250 MPa and a strain hardening index of 0.15 to 0.80, the nominal thickness is 1.5 to 2.5 mm, and each of the plurality of embossments is generally hemisphere-shaped or generally frusto-hemisphere-shaped; or
the metal is an aluminum alloy having a yield strength of at least 200 MPa, the nominal thickness is 1.5 to 2.5 mm, and each of the plurality of embossments is generally pyramid-shaped, generally sigma (Σ)-profiled or generally delta (Δ)-shaped.