Patent ID: 9335753
Filing Date: 2016-05-10
CPC Classification: E06B,G05B

Claim Text:
1. An architectural opening covering system to be used to cover an architectural opening, comprising: a first motor to move a middle rail relative to a fixed top rail; a second motor to move a bottom rail relative to the middle rail and the fixed top rail; a covering between the middle rail and the bottom rail, a first movement of the middle rail relative to the fixed top rail to retract the covering to expose the architectural opening between the middle rail and the fixed top rail, a second movement of the middle rail relative to the fixed top rail to cover the architectural opening between the middle rail and the bottom rail; and a controller to selectively actuate the first motor to move the middle rail based on a first position of the middle rail and a first position of the bottom rail, and to selectively actuate the second motor to move the bottom rail based on a second position of the middle rail and a second position of the bottom rail.