Patent US4819708 provides details for a unique swing arm design that allows a drive system to disengage and reverse direction. This patent had since expired and was in the public domain.


• Employ existing Planetary Gear Drive & Servo Motor
• Adapt Patent US4819708 for use in new Drapery Track System
• Design Gears, Shafts & Frame Components
• Minimize cost thru the use of DFM & DFA techniques
• Select Gears to produce desired Output Speed based on Input from
• Planetary Gear Drive


Patent US4819708