Patent ID: 7836656

Claim:
A tower module for use in construction support structures, comprising: at least two vertical support members wherein each vertical support member comprises two legs having outwardly extending distal end portions with respect to a central longitudinal axis of the tower module, the two legs forming an angle diverging from the central longitudinal axis of the tower module; horizontal members rigidly attached between the vertical support members to provide a box structure free from diagonal members to permit planking members to be inserted and supported horizontally through the vertical support members for construction of a work platform, the box structure having a top end portion and a bottom end portion; the top end portion including a first portion of a connection interface and the bottom end portion including a second portion of a connecting interface such that the top portion of a first tower module is adapted to receive and connect to the bottom portion of a second tower module for forming a column, wherein at least one of the top and bottom end portions comprise a built-in connection device comprising a built-in bolt is slidably connected to the connecting interface to connect respective tower modules such that no loose parts are available as a fall hazard, and the other of the top and bottom end portions includes a receiving portion for receiving said built-in bolt.