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

Claim 15:
16. A beam comprising:
a first side plate having a first side plate section, said first side plate section having a hole pattern A;
a second side plate having a second side plate section, said second side plate section having a hole pattern B;
a third side plate having a third side plate section, said third side plate section having said hole pattern A;
a fourth side plate having a fourth side plate section, said fourth side plate section having said hole pattern B;
a first end plate having a first end plate section, said first end plate section having a hole pattern C; and
a second end plate having a second end plate section, said second plate section having said hole pattern C,
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 a 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 a second direction; and
said first direction is different than said second direction; and
said hole pattern A has an inner hole pattern with 12 holes and an outer hole pattern with 12 holes.