Stair tower module
OwnerLarry James Hopperinventor
Life of this patent
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Abstract
A modular, prefabricated stair tower comprising a plurality of stairs, landings, handrails and hangers pre-assembled into a module configured such that it might be shipped and installed into a wind power tower tube section, with installation preferably occurring prior to shipment to the wind farm jobsite so that, when the tube section is erected vertically, authorized personnel gain immediate, efficient and economical access for ascending and descending large land based and offshore wind power turbine towers.
Claims4
A stair tower module for installation inside an enclosure of defined dimensions, said enclosure having a plurality of first connection points, said stair tower module comprising:
- a. At least one stair stringer;
- b. A plurality of stair treads, each stair tread being connected to the stair stringer;
- c. Each stair tread being oriented relative to the stringer and to every other tread to comprise steps;
- d. A lower landing attached to one end of the stringer and an upper landing attached to the other end of the stringer, said landings being relatively flat surfaces;
- e. A plurality of support members structurally connected to the lower landing and the upper landing, said support members having a plurality of second connection points whereby the second connection points cooperate with the first connection points for connecting the stair tower module to the inside of the enclosure.
Dependencies are inferred from the claim text.