| 摘要 |
PROBLEM TO BE SOLVED: To provide an improved type expansible cylindrical jigsaw puzzle improving the structural strength of the cylindrical jigsaw puzzle. SOLUTION: This cylindrical jigsaw puzzle includes an outside flange 21, an inside flange 22, a first clearance 23 between the outside flange and the inside flange, a top rim 3 having a ring body 31, a positioning flange 32 extending from the inside of the ring body, a second clearance 34 provided between the ring body and the positioning flange, top puzzle pieces 11 each corresponding to the second clearance of the top rim and having a first assembling edge part 111 received in the clearance, and bottom puzzle pieces each corresponding to the first clearance of the bottom rim and having a second assembling edge part 131 received in the clearance. The cylinder can be completed by connecting the top puzzle pieces attached with the top rim in the upper part, the bottom puzzle pieces attached with the bottom rim in the lower part, and a cap attached to the upper part of the top rim together. COPYRIGHT: (C)2007,JPO&INPIT
|
