Patent ID: 11891140
Assignee: nan
Field: Transport (Mechanical engineering)
Classification: CPC B  E  Y | IPC B  E

Claim 12:
13. A flooring apparatus comprising: a member that includes a top surface and a bottom surface,
wherein the top surface includes a cutout portion,
wherein the cutout portion comprises at least a first trough depth and a second trough depth, and the first trough depth is measured from the top surface of the member to a portion of a floor of the trough,
wherein the second trough depth is measured from the top surface of the member to a second portion of the floor of the trough, and wherein the first trough depth is not equal to the second trough depth;
wherein the trough is formed along at least a portion of the top surface of the member; and
a friction-increasing insert is positioned at least partially within the cutout portion of the member and secured to the cutout portion.