GB1010928A - Hatch covers for opening and closing open holds and containers, especially cargo hatch covers - Google Patents
Hatch covers for opening and closing open holds and containers, especially cargo hatch coversInfo
- Publication number
- GB1010928A GB1010928A GB4550463A GB4550463A GB1010928A GB 1010928 A GB1010928 A GB 1010928A GB 4550463 A GB4550463 A GB 4550463A GB 4550463 A GB4550463 A GB 4550463A GB 1010928 A GB1010928 A GB 1010928A
- Authority
- GB
- United Kingdom
- Prior art keywords
- leaf
- pivot
- hatch covers
- closed position
- hatch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPINGÂ
- B63B19/00—Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers
- B63B19/12—Hatches; Hatchways
- B63B19/14—Hatch covers
- B63B19/19—Hatch covers foldable
- B63B19/203—Hatch covers foldable actuated by cables or the like
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Superstructure Of Vehicle (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
1,010,928. Door operating appliances. J. T. SILANDER. Nov. 18, 1963 [March 18, 1963], No. 45504/63. Heading E2M. [Also in Division B7] A hatch covering including a leaf (in Fig. 1, two leaves 30), mounted on a pivot 10 for rotation from a closed position overlying a hatch to an open position clear of the hatch, the leaf comprising at least two cover sections 1, 1a, coupled to one another (by hinges 6) rotatably about an axis parallel to the pivot of the leaf, has one or more springs 15 so coupled to the pivot so as to tend to bias the leaf to its closed position, and one or more counterweights 12 so coupled to the pivot as to tend to bias the leaf to its open position, the operative moment of the leaf about the pivot being counterbalanced by the moment of the counterweight(s) about the pivot when the leaf approaches its closed position, and the difference between the said moments being eliminated by the action of the spring(s) over a range of positions of the leaf intermediate its open and closed position. The covers can be lifted by handles 7.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI51563 | 1963-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1010928A true GB1010928A (en) | 1965-11-24 |
Family
ID=8504225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4550463A Expired GB1010928A (en) | 1963-03-18 | 1963-11-18 | Hatch covers for opening and closing open holds and containers, especially cargo hatch covers |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1010928A (en) |
-
1963
- 1963-11-18 GB GB4550463A patent/GB1010928A/en not_active Expired
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