See the below image for the Replacement windows parts guide diagram. Parts of a window frame The stationary components of a window that enclose either the sash on an operating window or the glass on a direct glazed window are called the frame. Jambs, sills, and moldings are the primary components of a window frame.
7 simple steps to identify and purchase your replacement window operator Step 1. Identify the type of window for which you are replacing the operator. The following is the basic flow for identifying and ordering your replacement casement window operator: Step 2. Select the number of arms you see or feel on your current operator.
The Hinges: The components of the casement window that secure the sash to the sides of the window frame (jamb), allowing the window to swing inward and outward. The Locking Handles: On many standard casement designs, these handles sit in the middle of the sash and facilitate the opening of the window sash (or sashes).