Patent ID: 11937696
Assignee: INNO-SPORTS CO., LTD.
Field: Other special machines (Mechanical engineering)
Classification: CPC A  B | IPC A  B

Claim 10:
11. A blow-molded unitary structure comprising:
a panel comprising a first panel wall and a second panel wall spaced apart from the first panel wall;
a plurality of first protrusions monolithically formed with the panel, each protruding from the second panel wall toward an exterior of the panel and elongated in a first direction; and
a plurality of second protrusions monolithically formed with the panel, each protruding from the second panel wall toward an exterior of the panel and elongated in a second direction;
wherein first protrusions in at least a subset of the plurality of first protrusions and second protrusions in at least a subset of the plurality of second protrusions cross each other to enhance a strength of the blow-molded unitary structure; and
wherein a first protrusion in the plurality of first protrusions and a second protrusion in the plurality of second protrusions have different heights.