US Patent 10953989 Headrest for accommodating ponytail or bun of hair

Described are headrest assemblies having at least one moveable member that is movable to reconfigure the headrest between: an opened arrangement in which a recess sized for receiving a ponytail or bun of hair is defined between portions of a head-receiving surface of the headrest; and a closed arrangement in which the recess is reduced or eliminated by edges of two members of the headrest being in abutment or adjacent to one another.