This type of casement window consists of a single frame with a hinged sash that opens inward or outward with the help of a ...

Mechanical casement and awning window operators typically have three components, an operator, operator cover, and a handle. Figure 2: Window crank operator. Source: Stilfehler/CC BY-SA 4.0 The hand ...

When you turn the handle, the operator moves the crank arm and the split arm operator. The split arm operator then opens the ...