Patent ID: 9605478
Date: 2017-03-28
CPC Classifications: E06B,H04W,Y02A,Y02B,Y02D

Claim:
1. A motorized window treatment comprising: a headrail having first and second opposite ends; a covering material having a top end connected to the headrail, the covering material extending from the headrail to a bottom end; a motor drive unit including a motor and located in the center of the headrail; two drive shafts extending from both sides of the motor drive unit and rotatably coupled to the motor drive unit thereby allowing rotations of the motor to result in rotations of the drive shafts; first and second lift cords, the first lift cord located proximate to the first opposite end of the headrail and the second lift cord located proximate to the second opposite end of the headrail, each lift cord rotatably received around a respective one of the drive shafts and extending vertically to the bottom end of the covering material; and at least a first compartment and a second compartment configured to hold respective first and second batteries for powering the motor drive unit, the first and second compartments located on each side of the motor drive unit, the first compartment located between the first opposite end of the headrail and the first lift cord, and the second compartment located between the second opposite end of the headrail and the second lift cord; wherein the motor drive unit is configured to rotate the drive shaft to adjust the bottom end of the covering material between a fully-closed position and a fully-open position in response to rotations of the drive shaft, the motor drive unit further configured to receive radio-frequency (RF) signals and to control the motor in response to the received RF signals.