For normal spring assistant, you have to break down the roller blinds to adjust the elasticity. In view of this, we designed several kinds of spring assistant, which are adjustable from outside of the blind, so as to match up with different kinds of roller blinds component and make the pretty big and heavy blinds work easily.

After finished the installation of the roller blinds with adjustable spring assistant, use the screwdriver by turning the button on the side bracket to adjust the elasticity of the spring assistant.

Spring assistants for chain operating roller blinds
With the assistant of the spring, it can lighten the strength while rolling up the blinds. Under proper adjustment, the strength for the blinds being rolled up or down is the same.