the flexible members 6 6 u2033 6 u2032 u2033 do not extend along the entire length of the frame members 18 18 u2033 18 u2032 u2033 to which they are attached even though these flexible members 6 6 u2033 6 u2032 u2033 do not extend along the entire length of the frame members 18 18 u2033 18 u2032 u2033 they are capable of maintaining the picture artwork 4 firmly within the frame 2 fig7 a illustrates a first frame member 18 of a frame according to the invention the first frame member 18 has a rectangular cross sectional area a groove is provided in the central portion of the contact surface 10 of the frame member 18 a flexible member 6 e g a rubber band is attached to the groove of the frame member 18 the flexible member 6 extends to the first edge 32 of the frame member 18 the flexible member 6 does not extend to the second edge 34 of the frame member 18 fig7 a shows that the flexible member 6 does not extend along the entire width 36 of the frame member 18 the flexible member 6 is unloaded no force is applied to it and the thickness of the part of the flexible member provided above the contact surface 10 is t 2 fig7 b illustrates the frame member 18 shown in fig7 a the flexible member 6 of the frame member 18 is shown in a loaded condition a force is applied to it accordingly the.