Patent ID: 8636115

Claim:
An elevator system, comprising: an elevator car; and a movable supporting platform to support elevator components in an elevator hoistway, the movable supporting platform including, a supporting frame having a plurality of support elements movable between an extended position and a retracted position, wherein, in the extended position, the plurality of support elements are configured to vertically support the movable supporting platform in the elevator hoistway when lowered to rest on wall structures of the elevator hoistway, and wherein, in the retracted position, the plurality of support elements are configured to allow movement of the movable supporting platform in the vertical direction in the elevator hoistway, wherein the supporting frame includes, a plurality of beams that are rigidly fixed to each other, the plurality of beams being arranged such that two beam ends of the supporting frame point towards each of four lateral directions of the movable supporting platform, and wherein a support element from among the plurality of support elements is positioned at each of the at least one beam end.