As window manufacturing becomes more sophisticated and energy efficient, and shade technology gravitates towards cordless operation and positioning, designers need to more towards more innovative spring assemblies. At Vulcan Spring, we’ve built our reputation by innovating and delivering spring assemblies that simply work the first time and for a long time with some of the highest life cycles in the industry.
Most Popular Springs Used for Window & Window Shades
Constant Force Springs
Constant Force Springs, or Conforce® Springs, offer high force output with a small space requirement. These springs provide long linear reach with minimal force buildup and store power indefinitely when extended.
Constant Torque Springs
Constant Torque Springs, or Contorque® Springs, can provide high torque with small space requirements and can also be designed to produce positive or negative gradient output torque.
Power Springs
Power Springs, which feature smooth winding and retracting capability, enable window shade designs with minimal cord retraction or no cord at all.
Pullbox® Pro
Pullbox® Pro tethers are used to keep motorized shading and skylight systems taut from the top and bottom.
Common window & window shade applications
- Window sash counterbalance
- Cordless window shades
- Corded window shades