| 摘要 |
<p>#CMT# #/CMT# The hatch cover (3) has spring mediums for weight unloading during opening and closing. The spring medium has two springs with different spring characteristics. The spring mediums are arranged between a joint and a ship hull (1). #CMT#USE : #/CMT# Hatch cover for locking a hatch, particularly a hatch of a submarine (Claimed). #CMT#ADVANTAGE : #/CMT# The hatch cover has spring mediums for weight unloading during opening and closing, and hence ensures simple, reliable, fast and energy saving hatch cover. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a perspective view of a hatch cover. 1 : Ship hull 2 : Hatch 3 : Hatch cover 4,5 : Hand wheels 8 : Spring housing.</p> |
