GB593307A - Improvements in ships' boat davits - Google Patents
Improvements in ships' boat davitsInfo
- Publication number
- GB593307A GB593307A GB1476245A GB1476245A GB593307A GB 593307 A GB593307 A GB 593307A GB 1476245 A GB1476245 A GB 1476245A GB 1476245 A GB1476245 A GB 1476245A GB 593307 A GB593307 A GB 593307A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bracings
- carrying
- davits
- ships
- pivot
- 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
- 210000003467 Cheek Anatomy 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B23/00—Equipment for handling lifeboats or the like
- B63B23/02—Davits, i.e. devices having arms for lowering boats by cables or the like
- B63B23/04—Davits, i.e. devices having arms for lowering boats by cables or the like with arms pivoting on substantially horizontal axes, e.g. gravity type
- B63B23/06—Davits, i.e. devices having arms for lowering boats by cables or the like with arms pivoting on substantially horizontal axes, e.g. gravity type with actual pivots
- B63B23/10—Davits, i.e. devices having arms for lowering boats by cables or the like with arms pivoting on substantially horizontal axes, e.g. gravity type with actual pivots with positive drive of the arms
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Jib Cranes (AREA)
Abstract
593,307. Davits. DALRYMPLE, J. L., and LEWIS, C. E. T. June 11, 1945, No. 14762. [Class 115] A boat davit is constructed from a pair of open channel or closed tubular members X and Y which are decreasingly spaced apart from their gunwale bracket pivot 3 to the blockhead where they are welded together at 10, with interbracing at intervals, the upper bracings carrying sheaves 16 for purchase lift 12, and the lower bracings carrying the fenders 21, and pivots 28 for the jointed stay rods 23 which co-operate to interlock when extended. The pivot pin 3, stay hinge pin 28 and sheave pins 17 and 14 are all carried between the frame members X and Y and are journalled in cheek plates 1 external to X and Y.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB593307A true GB593307A (en) | 1947-10-14 |
Family
ID=1731001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1476245A Expired GB593307A (en) | 1945-06-11 | Improvements in ships' boat davits |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB593307A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2623222A (en) * | 1950-01-09 | 1952-12-30 | Humphrey G Taylor | Ship's davit |
| US2705332A (en) * | 1950-08-15 | 1955-04-05 | Marepa Trust Ltd | Launching and lowering gear for ships' lifeboats |
| US4139110A (en) * | 1977-04-20 | 1979-02-13 | Roberts Herbert C | Boat loading and unloading device for automotive vehicles |
| FR2771704A1 (en) * | 1997-12-03 | 1999-06-04 | Berthoud Christine Marcelle Le | Lifting davit for pleasure boat |
-
1945
- 1945-06-11 GB GB1476245A patent/GB593307A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2623222A (en) * | 1950-01-09 | 1952-12-30 | Humphrey G Taylor | Ship's davit |
| US2705332A (en) * | 1950-08-15 | 1955-04-05 | Marepa Trust Ltd | Launching and lowering gear for ships' lifeboats |
| US4139110A (en) * | 1977-04-20 | 1979-02-13 | Roberts Herbert C | Boat loading and unloading device for automotive vehicles |
| FR2771704A1 (en) * | 1997-12-03 | 1999-06-04 | Berthoud Christine Marcelle Le | Lifting davit for pleasure boat |
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