ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,471,718, issued on Nov. 18, was assigned to VITRA AG (Birsfelden, Switzerland).
"Support assembly" was invented by Boris Redwanz (Vicques, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A support assembly for a chair, the support assembly including a carrier shell, a receiving shell mountable on the carrier shell, and a locking element. The carrier shell and the receiving shell each have, in an edge region, connection structures formed in a manner complementary to one another. The connection structures are configured to engage in one another in the mounted state in such a way that they form a through-channel into which the locking element ca...