| 摘要 |
PROBLEM TO BE SOLVED: To provide a builtup type framed screen which enables assembling and housing thereof with such a lighter weight as to be convenient to carry and moreover, can prevent the fouling of balls. SOLUTION: There are arranged a screen body 15 equipped with upper and lower buffer parts 11 and 12 made foldable for housing and a bag-like ball housing part 14, an upper frame 16, a middle frame 17 and a frame 18 for lower housing which comprises a pipe material and are mounted separately on the outer rim part of the screen body 15, joint members 19 to 22 which enable detachable connection of the upper frame 16, the middle frame 17 and the frame 18 for lower housing and a main leg frame 25 which is arranged below the frame 18 for lower housing and gets the upper frame 16 and the middle frame 17 erected while having a clearance 24 formed between the ball housing part 14 and an installing surface 23. The buffer part 13 comprising the upper and lower buffer parts 11 and 12 is made to absorb the power of a ball colliding against it thereby letting the ball drop downward to be held into the ball housing part 14.
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