Elevator car frame and platform assembly

摘要

An elevator car includes a car frame and a platform assembly having a composite platform and a support frame. The composite platform includes upper and lower metallic sheets with a oriented strand wood layer therebetween and bonded to the sheets. The support frame includes a perimeter structure and a pair of centrally located stringers. The composite platform is rigidly attached about its outer edges to the perimeter structure and extends unsupported between the centrally located stringers and the perimeter structure. In a particular embodiment, the elevator car includes a door frame extending from the car frame and platform assembly and which is isolated from the cab of the elevator car.