Patent ID: 8659246

Claim:
A motorized roller shade, comprising: a first support shaft attachable to a first mounting bracket; a second support shaft attachable to a second mounting bracket; a shade tube, including: an outer surface upon which a shade is attached, and an inner surface defining an inner cavity; a motor unit, disposed within the shade tube inner cavity, including: at least one bearing rotatably coupled to the first support shaft, a DC gear motor having a housing and an output shaft coupled to the first support shaft such that the output shaft and the first support shaft do not rotate when the first support shaft is attached to the mounting bracket, a rotating perch attached to the DC gear motor housing and the inner surface of the shade tube, a fixed perch attached to the first support shaft, and a spring engaged to the fixed perch and the rotating perch; a controller unit, disposed within the shade tube inner cavity, including a controller, electrically coupled to the motor, to control the motor; and a power supply unit, electrically coupled to the motor and controller units, disposed within the shade tube inner cavity, including: at least one bearing rotatably coupled to the second support shaft, wherein the DC gear motor rotates with the shade tube when the DC gear motor is operating.