Patent ID: 6311447
Filing Date: 2001-11-06
Classification: E04B,E04F,F16B,Y10T

Abstract:
A dovetail joint between planking and a framing member such as a joist, stud, or rafter, the planking having a groove along one side thereof, and the framing member having a knob extending along one edge thereof;said knob formed from rounded grooves a sixteenth of an inch deep, a quarter inch wide, and a quarter inch from said one edge, said knob being rounded to match the rounded grooves thereby forming a narrow s-shaped surface on one face of the framing member at said one edge, and a similar reverse s-shaped surface on the opposite face thereof at said one edge;said groove formed a half-inch deep and having undercut sides to thereby correspond with the shape of the knob, said groove further including two saw slits in the bottom thereof extending a predetermined depth between the groove and the opposite side of the plank;said knob and said groove forming a tight locking joint between said framing member and said planking.