| 摘要 |
A quick clamp and disengage mechanism for a swivel type seat for small boats. A base having spaced guideways is adapted to be secured to the thwart or seat board extending transversely in a boat. The swivel type seat has parallel sides adapted to slide into the guideways of the base and to be clamped therein by an actuating arm pivoted to the front adjacent one of the spaced guideways, and adapted to pivot across to lie in front of the swivel type seat, and to be clamped in the other of the spaced guideways to hold the seat securely locked in the base. The actuating arm has a handle which may be grasped and moved to release the clamp and to open the guideways to permit the swivel type seat to be released from the spaced guideways.
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