Patent ID: 6935403
Filing Date: 2005-08-30
Classification: A47H,Y10T

Abstract:
1. A drapery pull system for moving a suspended drapery or the like comprising: an elongated track comprising a housing portion that defines a car compartment; a master car received within the car compartment of the track, the master car comprising at least one pair of roller members each rotatably supported by the master car, a plurality of auxiliary cars received within the car compartment of the track, each of the auxiliary cars comprising a pair of roller members rotatably supported by the auxiliary car, each of the roller members of the master car and auxiliary cars defining a surface that is curved in cross section, the curved surface of the roller members engaging a pair of curved surfaces defined by the car compartment of the track, the curved surfaces of the track adapted to provide for nested receipt of the roller members by the track to facilitate a substantially linear tracking of the master car and the auxiliary cars within the car compartment of the track; and a drive system having a motor and a drive shaft rotatably driven by the motor, the motor being reversible for driving the drive shaft in each of opposite rotational directions, the drive system including a drive pulley having notches formed about an outer surface, the drive pulley engaging the drive shaft for rotation therewith, the drive system further including a drive belt having a toothed surface engaging the notches of the drive pulley to be driven by the drive system, the master car comprising a pair of carriage bodies carried by a bracket, each of the carriage bodies defining a plurality of projections adapted for interfit with the toothed surface of the drive belt for driving the master car in one of two opposite directions within the car compartment depending on the rotational direction of the drive shaft, the master car attachable to a drapery to provide for movement of the drapery, each of the auxiliary cars attachable to the drapery to provide for rolling support of the drapery when the drapery is moved by the master car, wherein at least a portion of each of the roller members that defines the surface that is curved in cross section is made from a resilient material to reduce noise by limiting skipping or dragging of the roller members upon contact of the curved surface of the roller member with surface imperfections of the track and to reduce noises associated with rolling contact between the roller members and the track.