An attic lift system is provided, comprising a loading platform attached to a lifting frame having a plurality of vertical frame members, wherein the lifting frame includes a closure member positioned below the loading platform. The closure member includes a plurality of telescopic guide members, wherein the support frame is positioned on an attic floor above an opening in the attic floor. A plurality of support rods extend from the closure member and are threadably engaged with the vertical frame members of the lifting frame. A drive assembly is positioned on the support frame and connected to the lifting frame for raising and lowering the loading platform relative to the opening. Limit switches are present to detect when the drive assembly should be stopped based on the position of the lift platform.

According to one aspect of the present invention, provided is a balancing system comprising: an elevator winding drum connected to an elevator car; a center gear part connected to a first driving shaft of the elevator winding drum and including a first center gear; and an outer gear part including a first outer gear which contacts and rotates with the first center gear, and, when the elevator winding drum receives force in a first direction by the elevator car, the center gear part applies force with respect to the elevator winding drum in the opposite direction of the first direction by the force applied from the outer gear part.

According to one aspect of the present invention, provided is a balancing system comprising: an elevator winding drum connected to an elevator car; a center gear part connected to a first driving shaft of the elevator winding drum and including a first center gear; and an outer gear part including a first outer gear which contacts and rotates with the first center gear, and, when the elevator winding drum receives force in a first direction by the elevator car, the center gear part applies force with respect to the elevator winding drum in the opposite direction of the first direction by the force applied from the outer gear part.