The use of patio hst 77 wings requires a bit of effort due to the considerable weight of these structures. The improvement of the comfort of operating aluminium lifting and sliding doors undoubtedly makes it possible to use a special hardware element, which is an assisted lock. When you use this component, you need less force to reposition the handle.
Operation of the power-assisted via the
The lock for easy use of the lift and sliding door wings is equipped with a special mechanism. Its presence reduces the torque of the handle when lifting the sash. This allows you to use the Patio HST 77 wing for less force.
LiftUnit’s doorchieve in MS more than WINDOWS
The Patio HST 77 has a GU lock as standard in the lift and sliding door. It can optionally be equipped with LiftUnit. The way the assist works is shown in the following image:
