Patent ID: 8230982

Claim:
An elevator cab construction for increasing an interior cab size of an elevator cab including a platform and a ceiling, the cab construction comprising (a) shell panels forming the interior walls of said elevator cab attached to said ceiling and platform by a base and transom which base and transom are both channel-shaped and both offset from an outer perimeter of said shell panels toward the elevator interior when viewed from a top-down perspective, wherein said panels comprise a panel material; (b) vertical hat-shaped interior stiffeners formed on said shell panels from said panel material to provide stiffening, (c) vertical corner trim stiffeners in the corners of the cab to support said shell panels, (d) decorative panels mounted on said shell panels on the interior of said cab between said vertical hat-shaped stiffeners and said vertical corner trim stiffeners; wherein said decorative panels are approximately of a same depth as said vertical hat-shaped stiffeners; wherein said shell panels have an opening to the elevator shaft to provide ventilation through said hat-shaped vertical stiffeners.