| 摘要 |
A rotatable seat support assembly for supporting a vehicle seat or the like for swiveling movement in opposite directions. A seat pedestal means carries a support tube, around which is fixedly mounted a lower bearing ring. A seat support means having a central plate is mounted around the support tube and carries an upper bearing ring. A plurality of ball bearings is operatively mounted between the bearing rings. A stop plate is fixedly mounted over the upper bearing ring, and it is attached to a support plate that is fixedly mounted in the support tube. A stop member is fixedly carried on the central plate of the seat support means for limiting the rotative movement of the seat support means about the support tube. A releasable cam locking means is carried on the seat support means for releasable locking engagement with a slot formed in the stop plate.
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