Patent ID: 8950461
Filing Date: 2015-02-10
Classification: E06B,H04W,Y02A,Y02B,Y02D

Abstract:
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, such that rotations of the motor result in rotations of the drive shafts; a first lift cord and second lift cord, 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, such that the bottom end of the covering material is adjusted between a fully-closed position and a fully-open position in response to rotations of the drive shaft; and at least a first battery and a second battery for powering the motor drive unit; wherein the at least two batteries are located on each side of the motor drive unit, the first battery located between the first opposite end of the headrail and the first lift cord, and the second battery located between the second opposite end of the headrail and the second lift cord.