Plate L-type joints are used to connect board elements at an angle. They are commonly encountered in places of joining side walls with the bottom or top and rear walls. This group includes perpendicular dowel joints, bevel dowel joints, straight framed joints, slant framed joints, straight single spline joints, slant double
Fig. 4.39 Plate longitudinal parallel joints with a dowel connector and biscuit joint
spline joints, bevel spline joints, straight spline joints, straight dovetail joints, slant dovetail joints, semi-covered straight dovetail joints and covered straight dovetail joints (Fig. 4.40).