| 摘要 |
PROBLEM TO BE SOLVED: To achieve the objective to automatically return the various forms of thrown objects to the thrower in the lane for the throwing game. SOLUTION: In the lane for the throwing game having a lane main body with a flat surface of rectangular shape, and the gutters with bottom groove surface of lower than that of the lane main body and being formed along the longitudinal ends of both sides of the lane main body, by preparing a belt conveyor of which belt surface moves toward the thrower along the gutter groove in the gutter, throwing objects of any forms and geometries can be returned automatically to the thrower, if they are the ones that can be carried on the belt conveyor and when the throwing objects are put on the belt conveyor either automatically or by human hands. COPYRIGHT: (C)2009,JPO&INPIT
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