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

Claim 18:
19. A beam comprising:
a first side plate having a plurality of first side plate holes;
a second side plate having a plurality of second side plate holes;
a third side plate having a plurality of third side plate holes;
a fourth side plate having a plurality of fourth side plate holes;
a first end plate having a plurality of first end plate curved slots arranged in a circular pattern; and
a second end plate having a plurality of second end plate curved slots arranged in a circular pattern,
wherein:
said plurality of first end plate curved slots are a plurality of first end plate inner curved slots, and said first end plate further has a plurality of first end plate outer curved slots arranged in a circular pattern; and
said plurality of second end plate curved slots are a plurality of second end plate inner curved slots, and said second end plate further has a plurality of second end plate outer curved slots arranged in a circular pattern.