A roller shutter , roller door or sectional overhead door is a type of shutter door or window consisting of many horizontal blades (or sometimes bars or web system) hinged together. The door was lifted to open it and lowered to close it. At the big door, the action might be motorized. It provides protection against wind and rain. In the form of a shutter, it is used in front of the window and protects the windows from vandalism and piercing attempts.
Video Roller shutter
Apps
Roller shutters have many applications, including doors for vans, garages, kitchens, schools, prisons and warehouses. In some parts of the world, roller windows are subsidized by the local government. In areas that are often exposed to bad weather, roller windows are used as an insulation method, can protect windows from hail damage, and can be made to withstand strong winds.
Maps Roller shutter
Type and operation
- Integrated roller shutter door
- Describes the type of place the roller shutter box is set to the outside of the building facade.
- The built-in roller shutter door
- Where the roller shutter box is built into the lintel above the window.
- Integrated roller shutter
- Roller shutter and window are combined as one unit.
- Roller shutter with lath tilt
- Roller shutter with a sloping lath, similar to an external venetian curtain.
- Manual
- With the gear drive of the shutter roller traced through the building facade to the universal joint at the side of the room operated by a twisting twisting handle.
- Manual ribbon
- A tape drive around the flange on a roller is tracked through a building facade with a pulley guide to the inertial rolls on the side of the room.
- Electricity
- With a tubular motor mounted inside the roller. Automatic operations can be added.
Components
- Lath
- Steel, aluminum, single or multi wall.
- Roller (or roller tube)
- Steel, aluminum tubes are supported at both ends by the end plate.
- Shutter box
- Extruded steel or aluminum extrusions designed to protect roller assemblies. Shutter spring
- The spring wire. Made of spring wire, it is also called a torsion spring.
- The springs are flat. Formed by hardened steel strips and dried in rolls. Common steel grades C67, CK67, SAE1070, etc.
- The guide rail (or path)
- Steel or aluminum to keep the shutter curtains. Rub strips to reduce toys and draft strips can be added.
- Under battens
- Steel, aluminum or PVC to match the battens. Rubber tube to reduce draft can be added.
- Lock
- Important parts of the shutter lock to secure the shutter in place, lockable with bullet lock or shutter lock with hand that locks shutter to frame
See also
- Roller blind
- Roller blinds
References
Source of the article : Wikipedia
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