Abstract: A corner deflector of a fitting for a window casement or a door leaf, insertable into a C-shaped casement/leaf groove in the rebate of a frame profile of the casement/leaf. The corner deflector having a first corner limb and a second corner limb at right angles to the first corner limb. A groove for a limb of the casement/leaf groove, the limb groove having an undercut, is provided on a first longitudinal side of the first corner limb and/or of the second corner limb. The region of the second longitudinal side of the first and/or second corner limb which is located opposite the undercut of the first longitudinal side is undercut-free. At least one securing element is provided on the second longitudinal side, which can be moved relative to the second longitudinal side between a securing position and a disengagement position.

Abstract: A casement/leaf arrangement having a casement/leaf of a window or door, with a frame profile of the casement/leaf. The frame profile having a C-shaped casement/leaf groove in the rebate, and with at least one fitting part, in particular a drive rod of a fitting, provided to be inserted into the casement/leaf groove. The casement/leaf groove has a first groove limb and a first groove portion and, located opposite, a second groove limb and a second groove portion. The fitting part has an elongate main body having a front side and a rear side. The main body has, on opposite longitudinal sides, a first peripheral region for engaging behind the first groove limb of the casement/leaf groove and a second peripheral region for engaging behind the second groove limb of the casement/leaf groove. The fitting part is pivotable into the casement/leaf groove with a peripheral region inserted into the groove portion.

Abstract: A leaf unit of a scissor mechanism of a fitting for a leaf of a window or of a door, insertable into a C-shaped leaf groove in the rebate of a leaf profile of the leaf is provided. The leaf unit includes a scissor guide fastenable on the leaf and a scissor rod moveable relative to the scissor guide in the operating state. The scissor rod is movable between a closed position and a tilt position relative to the scissor guide in the operating state. The scissor guide and the scissor rod are pre-fixed for insertion into the leaf groove in a pre-installation position which is between the closed position and the tilt position.