An elevator system, comprising: a hoisting machine which is disposed at a position close to the top within a hoistway and supported by a support member; a car and a counterweight which are operated by the hoisting machine by way of a main rope to thereby ascend and descend in opposite directions through the hoistway; car rails which stand upright within the hoistway on both sides of the car and guide ascending and descending operation of the car; rail brackets which are spaced apart from each other in a vertical direction, one side of each being secured on a fixing member of the hoistway and the other side of each being fastened to one of the car rails; counterweight rails which stand upright within the hoistway, which are horizontally spaced apart from each other into two lines, and which support at an upper end thereof the support member of the hoisting machine, wherein one line is fastened to the rail brackets and the other line is secured on the fixing member and fastened to counterweight brackets which are vertically spaced apart from each other within the hoistway, and the counterweight rails guide ascending and descending operation of a counterweight interposed between the two lines; characterized by: a coupling member which is disposed between the rail brackets which are vertically spaced apart from each other whose one side is fastened to the car rail, whose other side is fastened to the opposing counterweight rail, and which is provided between the rail brackets, wherein a rope anchor, which couples an end section of a main rope opposing the counterweight to the support member of the hoisting machine, is provided at a position close to the edge of the support member facing the counterweight rail fastened to the coupling member. a hoisting machine which is disposed at a position close to the top within a hoistway and supported by a support member; a car and a counterweight which are operated by the hoisting machine by way of a main rope to thereby ascend and descend in opposite directions through the hoistway; car rails which stand upright within the hoistway on both sides of the car and guide ascending and descending operation of the car; rail brackets which are spaced apart from each other in a vertical direction, one side of each being secured on a fixing member of the hoistway and the other side of each being fastened to one of the car rails; counterweight rails which stand upright within the hoistway, which are horizontally spaced apart from each other into two lines, and which support at an upper end thereof the support member of the hoisting machine, wherein one line is fastened to the rail brackets and the other line is secured on the fixing member and fastened to counterweight brackets which are vertically spaced apart from each other within the hoistway, and the counterweight rails guide ascending and descending operation of a counterweight interposed between the two lines; characterized by: a coupling member which is disposed between the rail brackets which are vertically spaced apart from each other whose one side is fastened to the car rail, whose other side is fastened to the opposing counterweight rail, and which is provided between the rail brackets, wherein a rope anchor, which couples an end section of a main rope opposing the counterweight to the support member of the hoisting machine, is provided at a position close to the edge of the support member facing the counterweight rail fastened to the coupling member. a coupling member which is disposed between the rail brackets which are vertically spaced apart from each other whose one side is fastened to the car rail, whose other side is fastened to the opposing counterweight rail, and which is provided between the rail brackets, wherein a rope anchor, which couples an end section of a main rope opposing the counterweight to the support member of the hoisting machine, is provided at a position close to the edge of the support member facing the counterweight rail fastened to the coupling member.