System for raising a roof
OwnerRobert S. Terenzoniinventor
Life of this patent
Estimating the term…
Abstract
Apparatus and method for raising a roof including at least two lifting beams which are generally parallel to the peak or highest point of the roof and at least two pairs of lifting towers which are arranged about the building. Each pair of lifting towers has one tower disposed along one face of the building and the other tower disposed along the opposite face of the building. The lifting beams are interconnected with the roof portion and the lifting towers; the selected roof portion is then severed from the building and lifting means raises the lifting beams and the attached selected portion of the roof. After installing walls under the raised portion of the roof, the roof is lowered and attached to the newly constructed walls to form the additional expanded space of the building.
Claims14
A method for raising at least a selected portion of an existing peak roof on a building for expansion, comprising;
- placing at least two lifting beams parallel to the peak and in general parallel relationship to each other to support the selected portion of the roof;
- arranging at least two paris of portable modular lifting towers around the selected roof portion, externally to, and structurally independent of a building and closely spaced to the exterior walls of the building, each pair having one tower disposed along one wall of the building and the other tower disposed along the opposite peripheral wall of the building, said tower extending above the roof portion to be lifted;
- stabilizing the lifting towers;
- suspending the lifting beams from the lifting towers with respect to the ground below the tops of the towers;
- severing the selected roof portion from a building to be expanded;
- applying lifting force through the lifting towers to raise the lifting beams and the attached severed roof portion toward the tops of the towers;
- installing a floor covering and new walls under the raised roof portion, lowering said selected roof portion and attaching the roof to the new walls to form additional space within the building.
Dependencies are inferred from the claim text.