GB137346A - Improvements in or relating to apparatus for lowering and raising ships' boats and other objects - Google Patents
Improvements in or relating to apparatus for lowering and raising ships' boats and other objectsInfo
- Publication number
- GB137346A GB137346A GB18849/18A GB1884918A GB137346A GB 137346 A GB137346 A GB 137346A GB 18849/18 A GB18849/18 A GB 18849/18A GB 1884918 A GB1884918 A GB 1884918A GB 137346 A GB137346 A GB 137346A
- Authority
- GB
- United Kingdom
- Prior art keywords
- drum
- shaft
- gear
- rotation
- falls
- 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
- B63B23/00—Equipment for handling lifeboats or the like
- B63B23/40—Use of lowering or hoisting gear
- B63B23/48—Use of lowering or hoisting gear using winches for boat handling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/04—Driving gear manually operated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
137,346. Anderson, A. Nov. 18, 1918. Driving-gear for winding and paying-out apparatus; self-sustaining gear; laying or guiding ropes on during winding.-A winch for raising and lowering ships' boats and other objects comprises a drum 1 with an internally screwed boss 3 mounted on a threaded shaft 2, the end 14 of the drum being adapted to engage with a friction clutch member 5 forming part of a hand or power operated gear-wheel loosely mounted on the shaft 2. The rotation of the shaft is controlled by a capstan handle 15, and, by the relative rotary movement between the drum and shaft, the drum is moved along the shaft until it engages with the friction member 5. By this arrangement, the drum may be moved until the clutch members are in engagement, and the falls are then wound on the drum by the rotation of the wheel 5. The load may be lowered by disengaging the clutch members, the lowering operation being controlled by suitably moving the drum laterally along the shaft by slowing the rotation of the capstan handle 15. This causes the friction clutch members to engage, and the wheel 5 being stationary acts as a brake. To raise the falls quickly, the pin 23 is inserted into a slot 24 to lock the shaft and drum together. The drum may then be rotated rapidly by the capstan handle 15. To ensure that the ropes are wound equally and uniformly, the drum is grooved and the falls are passed through eyelets 16 to which a traversing movement is imparted by means of a rotary screwed shaft 18. A second traversing-member presses the coils together on the drum. The driving-shaft 12 is prevented from running back by ratchet gear.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB18849/18A GB137346A (en) | 1918-11-18 | 1918-11-18 | Improvements in or relating to apparatus for lowering and raising ships' boats and other objects |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB18849/18A GB137346A (en) | 1918-11-18 | 1918-11-18 | Improvements in or relating to apparatus for lowering and raising ships' boats and other objects |
Publications (1)
Publication Number | Publication Date |
---|---|
GB137346A true GB137346A (en) | 1920-01-15 |
Family
ID=10119447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB18849/18A Expired GB137346A (en) | 1918-11-18 | 1918-11-18 | Improvements in or relating to apparatus for lowering and raising ships' boats and other objects |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB137346A (en) |
-
1918
- 1918-11-18 GB GB18849/18A patent/GB137346A/en not_active Expired
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