Mechanism in the side portion of the hung window that provide the up and down movement of the sashes. Some types of these include tube, block and tackle (channel), coil, constant force, and cross bow.

Mechanism in the top of the lower sash that will disengage the top portion of the sash from the balance to allow it to tilt in for easier access to the exterior of the window to allow for easier maintenance and cleaning.

Mechanism in the top of the lower sash that will engage with a keeper on the upper sash to provide a secure closer of the window to keep the upper and lower sashes in a fixed position to prevent operation.

Latch that holds the operable sash in place vertically in the jamb liner. This tilt latch when compressed will allow the sash to perform the tilt motion to allow for cleaning and maintenance.

Mechanism in the top of the lower sash that will engage with a keeper on the upper sash to provide a secure closer of the window to keep the upper and lower sashes in a fixed position to prevent operation.

Mechanism in the side portion of the hung window that the sash pin or bar rests in that connects the sash to the balance. This will guide the up and down movement. 

​

​