| 摘要 |
PURPOSE: A frame for a sign board is provided to improve the workability of a user by hooking a flexible sheet on the fixing frame with a tension fixing plate. CONSTITUTION: A rigid frame(10) comprises an axle groove in one side. The axle groove is opened to the inside upwardly. The rigid frame comprises a protrusion in upper part of the other side. A tensile fixing board(30) comprises a rotary shaft. The rotary shaft is inserted into the axle groove. The external diameter of the rotary shaft is smaller than the open width of the axle groove. The tensile fixing board comprises a holder. The holder is fixed at the protrusion. The fixing member holds a flexible sheet in the tensile fixing board. |
