| 摘要 |
A seat adjustment device for a vehicle seat which includes two lock mechanisms respectively provided in a pair of rail assemblies. One of the lock mechanisms may be a fine-pitched lock mechanism provided in either of the rail assemblies, or both of the lock mechanisms may each be fine-pitched lock mechanism respectively mounted in both of the rail assemblies. The fine-pitched lock mechanism comprises a lock plate with a tooth-formed portion provided in one of the rail assemblies and a link provided in the other rail assembly and having a tooth body to be intermeshed with the tooth-formed portion of the lock plate by means of a toggle action. |
