| 摘要 |
A rotational structure and a bearing structure is provided wherein discomfort of people therearound is eliminated by suppressing noise due to movement (rattle) of a member in a rotational supporting point within small clearance. In a bearing structure for a seat-weight measuring apparatus, etc., sleeve members are inserted into insertion holes of an arm member and a bracket or bearing member while a pivot pin and a stopper pin or shaft member are inserted into insertion holes of sleeve members. The sleeve members are formed so that any of part of the insertion holes of the sleeve members always comes into contact with the pivot pin or the stopper pin so as not to allow the pivot pin or the stopper pin to run freely within the insertion holes of the sleeve members when the pivot pin or the stopper pin moves.
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