| 摘要 |
<p>The case has a clamp-shim assembly with two removable shims (12), each of which is situated in an extension of flanges (4). A screw (5) fixes an electrical device in the case and maintains a hollow barrier between frontal of the electrical device and the flanges or between the frontal and each shim. Each flange is situated in an opening of a cylindrical part of the case. An independent claim is also included for a method of removing of shims from the case.</p> |
