| 摘要 |
<p>As shown generally as (1) in Figure 1, the gas pressure stabiliser comprises a frame (2) having an opening (3) bounded on its front side by a flange (4). Mounted within the frame (4) for movement about a longitudinal pivot axis A extending parallel to the plane of the opening (3) is a control member (5). Associated with the frame is a housing (12), which houses a control arm (13). When the control arm (13) is retracted into the housing or released, this controls pivoting of the counterbalancing means so that control member (5) can open or close to control venting of gas.</p> |
