Patent ID: 9260862
Filing Date: 2016-02-16
CPC Classification: E02D,E04B,E04G

Claim Text:
1. A device for forming an oblique, beveled edge in the trench of a building's foundation, the device comprising: a hollow, wedge shaped, open ended, horizontally elongated element having a cross-section, said elements cross-section forming a 45 degree angle; a hollow, wedge shaped, open ended corner element having a cross-section and a base, said corner element's cross-section forming a 45 degree angle while said base of said corner element forms a 90 degree elbow; a hollow, isosceles triangle shaped connecting joint having a vertical leg used for connecting said corner and elongated elements, said vertical leg having a T-shaped extension; a flattened, isosceles triangle shaped bracing element having a base edge, a slant edge and a vertical edge, said bracing element's base edge and slant edge having a perpendicular, T-shaped addition to provide vertical balance, with said vertical edge of the triangle having a T-shaped extension; a rectangle shaped stake having a length and a T-shaped slot running the entire length of the stake; said slot is designed to fit the T-shaped extension of the connecting joint and the bracing element.