Page 228 - Ship Construction.DJ Eyres 6Ed
P. 228

Ch19-H8070.fm  Page 217  Wednesday, October 18, 2006  6:58 AM









                        Cleat halves – cover mounted  Hydraulic cylinder  externally mounted  Motor drive in  leading panel  PULL (b)  SINGLE  HATCH COVERS
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                          งานห้องสมุด ศูนย์ฝกพาณิชย์นาวี






                               Wheel ramp  Slotted hinges FOLDING HATCH COVERS



                                        Wheel rail  (a)                             Hatch covers
                                                          ึ





                                   Hatch  cover  Coaming            (c) DIRECT PULL  HATCH COVERS  FIGURE 19.5

                     45° entry to wheel rail  45°    Wire pendant  Hauling eyeplate  Hinge  Panel 1  Panel 2  Panel 3  Wheel  Closing arm  Securing hook  Closing arm pedestal










                                                 Hinged sheave  Stowing arm     Stowing arm pedestal
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