US Patent 10285527 Motorized drapery apparatus with batteries positioned in the brackets

A wirelessly controllable, motorized and battery powered drapery apparatus is presented having a rotatable drive element having a guide structure in its surface. The drapery apparatus includes brackets that house conventional batteries which power the apparatus. The brackets connect to a motor assembly which houses a motor and a motor controller. The rotatable drive element includes at least one key feature in its hollow interior. The guide structure is indexed to the key feature such that two rotatable drive elements can be connected together in such a manner that the guide structure is aligned on the two rotatable drive elements ensuring that the shade material opens and closes evenly.