General Application Principles

1. Motor brush springs→carbon brush spring

Such as brush motor and slip rings

2. Tensioning & Loading→constant force spring, variable force spring

Pulls and pushes constantly with the same force, Horizontal movement.
Such as point-of-purchase display, pusher of staple magazine, conveyor belts, videotape machines, strip chart recorders, document sorter.

3. Retrieving & Returning→ power spring, pre-stressed power spring, constant torque spring, variable torque spring

Self-retractor
Such as cable retractors, power cord, seat belts

4. counterbalancing→constant force spring, constant torque spring

Lifts and balances heavy objects, High adjustment.
Such as the height adjustment of LCD Monitor, electrical fan, cordless shade, compact package for doors, windows, movie screens, overhead storage, lighting fixtures, X-ray machine, gym equipment, hoods

5. retraction→constant force spring, variable force spring

Such as drawer closers, indicator reset devices, automatic carriage returns, cup holder for car use.

6. drive motor→constant torque spring, power spring, pre-stressed power spring

Such as drive mechanized toys, clocks