Double torsion spring comprised of two torsion spring coils which are connected
in
the centre to form a single spring. The two coils are wound from a single piece
of
wire in opposite directions,
with one wound counter clockwise and the other clockwise.
The most characteristic feature of double torsion springs is that they have two
coils. One coil is wound in a clockwise direction, whereas the other is wound in
an
anti-clockwise direction.
Both these coils are bridged in the middle of the spring. Double torsion
springs
are strong, and have the capability to exert greater force.
Typical uses include car door handles, garage doors, clothes pegs, bulldog clips
and
hinges. In some instances, a single torsion spring cannot exert enough force. In
these situations, a double torsion spring may be required.
