| 摘要 |
<p>The jet beam assembly has a U-shaped mounting groove (12'') along the lower section to hold the lower part of the jet plate. The groove is larger than the diameter of the O-ring (12) at the end sides of the jet beam, towards the end sides. The spacers (29,30) for the O-ring, at the longitudinal plate, are fixed to the longitudinal plate (27) with a space between them which is beyond the end position of the O-ring in the lower section. At the end of the jet beam, the dimensions of the mounting groove match at least the size of the associated spacer (29,30) including the clamped O-ring on it, on the plane of the O-ring. The end of the mounting groove is open to the end, on the plane of the laid O-ring, at least at an end of the jet beam. The gap between the spacers (29,30), along the longitudinal plate (27), is larger than the final position of the O-ring in the mounting groove.</p> |
