| 摘要 |
An improved seat back locking mechanism includes a first toothed rod selectively attached to a seat back. A second toothed member is pivotally received in a block that receives the rod. The second toothed member is spring biased to bring its teeth into engagement with the rod teeth. The second toothed member is selectively rotatable out of engagement with the rod teeth to allow the rod to move, and hence the seat back to pivot over the seat bottom.
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