An elevator car (6) defining an interior space (12) for accommodating passengers and/or cargo comprises a support frame (22) positioned on top of the interior space (12); and a working platform (28) movably mounted to the support frame (22) by a support structure (31). The support structure (31) comprises at least one scissor mechanism (30) including two scissor legs (30a, 30b) pivotably connected with each other. A first end of each scissor leg (30a, 30b) is pivotably connected to the support frame (22), and a second end of each scissor leg (30a, 30b) is pivotably connected to the working platform (28). The support structure (31) further comprises at least one gas spring element (32) extending between the scissor legs (30a, 30b) of the at least one scissor mechanism (30). The at least one gas spring element (32) may be configured for supporting the movement of the working platform (28).