WALL SURFACE FRAME OF COURT FOR RACQUETBALL COMPETITION

摘要

PROBLEM TO BE SOLVED: To provide a wall surface frame of a court for racquetball competition that is hardly strained in spite of thermal expansion and further easy to construct.;SOLUTION: A wall surface frame 1 of a court for racquetball competition comprises: vertical frame members 2 which are parallel in a vertical direction; coupling parts 22 which project so as to face at least lower end parts and upper end parts of the vertical frame members 2; and horizontal frame members 3 which are coupled to the coupling parts 22 with gaps 4 formed with the vertical frame members 2 to connect the vertical frame members 2 together by bridging. Further, the wall surface frame comprises: a fitting part 25a formed of a vertical projection or recessed groove provided to one side end face 11 and a fitting part 25b, formed of a recessed groove or projection which can be fitted to the fitting part 25a, on the other side end face 11.;SELECTED DRAWING: Figure 2;COPYRIGHT: (C)2017,JPO&INPIT