
Spring
hinges are designed to allow doors to close automatically or be held in
the open or closed position. This type of hinge has flanges or leaves
that attach to the door and jamb and in turn are connected to the hinge
pivot point (barrel). The springs in the hinge offers energy to close a
door from the open position and in some instances, to open a door from
the closed position. Single acting spring hinges are suitable for use on
fire doors.
Spring pivots are fastened into the heel of a door and are then
fastened to the floor and head with pivots. A spring hinge employs pivot
points at the top and bottom edges of a door.
Materials Used
The commonly used materials for casting spring hinges include:
- Stainless steel
- Brass
- Aluminium
Finishes
Finishes play an important role to protect hinges from tarnishing.
Spring hinges are available in various styles and finishes. Some of the
common types of finishes in spring hinges include: steel plated, oil
rubbed bronze finish, satin nickel finish, antique nickel finish, satin
brass, polished chrome finish and satin chrome finish.