US Patent 10376071 Leaning chair

A leaning chair can include a base defining a lower surface that rests on a floor, the base including a support surface; a shaft coupled to the base, the shaft defining a first end and a second end; a flexible mount coupling the first end of the shaft to the base, the shaft extending through the mount; a pivot pin located underneath the mount, the first end of the shaft resting on the pivot pin, and being configured to be housed inside the mount, the pivot pin being configured to pivot on the support surface; and a user support member coupled to the second end of the shaft.