Patent ID: 11926472
Assignee: BARBARA KNIGHT REVOCABLE TRUST
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 8:
9. A lifting system for raising a floating roof in a tank, the lifting system comprising:
a first vertical support member;
a second vertical support member coupled to the first vertical support member; and
a third vertical support member coupled to the first vertical support member and the second vertical support member;
wherein the first vertical support member, the second vertical support member, and the third vertical support member are coupled together in a rigid manner;
wherein the first vertical support member, the second vertical support member, and the third vertical support member are extendable;
wherein the first vertical support member, the second vertical support member, and the third vertical support member are configured to raise the floating roof; and
wherein the first vertical support member, the second vertical support member, and the third vertical support member form a triangle shaped structure.