| 摘要 |
<p>The locking element (1) has a pointed horizontal extension (4) at one of the sides and a semicircular vertical extension (10) located at the opposite side. It is guided into a rectangular case (20) open at both ends and fixed with a vertically inserted bolt, also serving as a swivel axle. The case (20) is inserted into a matching opening (28) in a first denture part (24), the part (24) moved against a second denture part (22), and the pointed extension (4) engaged with a complementary recess (26) located at the second part (22).</p> |
