发明授权
- 专利标题： Self-latching hatch cover for barges
- 专利标题（中）： 自锁舱盖用于驳船
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申请号： US243742申请日： 1981-03-16
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公开(公告)号： US4362118A公开(公告)日： 1982-12-07
- 发明人: Robert C. Koch, Jr. , Horst R. Hickmann
- 申请人： Robert C. Koch, Jr. , Horst R. Hickmann
- 申请人地址： IN Jeffersonville
- 专利权人： American Commercial Barge Line Co.
- 当前专利权人： American Commercial Barge Line Co.
- 当前专利权人地址： IN Jeffersonville
- 主分类号： B63B19/24
- IPC分类号： B63B19/24 ; E05F1/12 ; B63B19/14
摘要：
A cast aluminum hatchway cover has projecting hinge structure for mating with a hinge housing part affixed on a hatchway coaming. The hinge is detented for holding the cover in closed, partly open and fully open posture. Self-latching lock structure has a foot operable unlocking lever outside the hatchway and an emergency unlocking lever inside the hatchway. The hinge detenting mechanism comprises cams with mating elements located respectively on the cover and hinge housing part.
公开/授权文献
- US4980979A Vacuum roll transfer apparatus 公开/授权日：1991-01-01