| 摘要 |
<p>PURPOSE:To provide a cover plate for common use and improve workability. CONSTITUTION:If sub-cover plate 4, 5 are joined to a connecting part 6 of a main-cover plate 3, an operation device and an engaging mechanism are joined together through a connecting member 21 and an operation member 21. Therefore, in order to replace the connecting member 21 with a connecting member 'having different specification such as rod specification, wire specification, etc., only replacing the sub-cover plates 4, 5 with ones having such specifications as described above is required and the main-cover plate 3 and a lock body 1 can be used in common with any of the specifications.</p> |
