GB556751A - Improvements in or relating to mechanism for opening and closing heavy covers, doors, hatches and the like - Google Patents
Improvements in or relating to mechanism for opening and closing heavy covers, doors, hatches and the likeInfo
- Publication number
- GB556751A GB556751A GB508242A GB508242A GB556751A GB 556751 A GB556751 A GB 556751A GB 508242 A GB508242 A GB 508242A GB 508242 A GB508242 A GB 508242A GB 556751 A GB556751 A GB 556751A
- Authority
- GB
- United Kingdom
- Prior art keywords
- opening
- winch
- hatches
- cover
- doors
- 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 SHIPPING
- 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)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
556,751. Door-operating appliances. HAY, S., and JACKSON, A. H. April 16, 1942, No. 5082. [Class 65 (i)] [Also in Group XXXIII] Apparatus for opening heavy doors, such as ships' hatches, comprises a lifting jack 26 at each side of the cover to start the opening movement and a winch gear 18 19, 20 23 which completes the opening about the hinges 13. The cover may be in two parts 10, 11 hinged at 12, the part 10 having rollers 16 which slide along the frame 15 as the two parts fold together. The jacks may be operated by hand, or by the first part of the winch operation, for which purpose the winch cables have a lost motion connection 30 with the cover, and chain sections 33 which operate the jacks through sprocket wheels 34, after which it is lifted clear of the wheels while the winch completes the opening through the cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB508242A GB556751A (en) | 1942-04-16 | 1942-04-16 | Improvements in or relating to mechanism for opening and closing heavy covers, doors, hatches and the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB508242A GB556751A (en) | 1942-04-16 | 1942-04-16 | Improvements in or relating to mechanism for opening and closing heavy covers, doors, hatches and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB556751A true GB556751A (en) | 1943-10-20 |
Family
ID=9789418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB508242A Expired GB556751A (en) | 1942-04-16 | 1942-04-16 | Improvements in or relating to mechanism for opening and closing heavy covers, doors, hatches and the like |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB556751A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3399710A (en) * | 1967-01-25 | 1968-09-03 | Ray H. Neisewander | Cable brake for overhead door |
| CN113582056A (en) * | 2021-06-28 | 2021-11-02 | 上海外高桥造船有限公司 | Manual opening and closing device and method for heavy-duty hatch cover for ship |
-
1942
- 1942-04-16 GB GB508242A patent/GB556751A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3399710A (en) * | 1967-01-25 | 1968-09-03 | Ray H. Neisewander | Cable brake for overhead door |
| CN113582056A (en) * | 2021-06-28 | 2021-11-02 | 上海外高桥造船有限公司 | Manual opening and closing device and method for heavy-duty hatch cover for ship |
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