Patent ID: 11953053
Assignee: nan
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC B  F

Claim 3:
4. The beam of claim 1 wherein:
said hole pattern A has:
a plurality of hole pattern A side holes;
a plurality of hole pattern A outer corner holes; and
a plurality of hole pattern A inner corner holes;

said hole pattern B has:
a plurality of hole pattern B side holes;
a plurality of hole pattern B outer corner holes; and
a plurality of hole pattern B inner corner holes;

said plurality of hole pattern A side holes and said plurality of hole pattern A outer corner holes each have a slotted shape and longitudinal axis oriented in said first direction;
said plurality of hole pattern B side holes and said plurality of hole pattern B outer corner holes each have a slotted shape and longitudinal axis oriented in said second direction.