GB191222674A - Improvements relating to Means for Launching Ships' Boats and to Gangways. - Google Patents

Improvements relating to Means for Launching Ships' Boats and to Gangways.

Info

Publication number
GB191222674A
GB191222674A GB191222674DA GB191222674A GB 191222674 A GB191222674 A GB 191222674A GB 191222674D A GB191222674D A GB 191222674DA GB 191222674 A GB191222674 A GB 191222674A
Authority
GB
United Kingdom
Prior art keywords
weight
launching
boat
valve
water
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
Application number
Inventor
Alexander Walker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB191222674A publication Critical patent/GB191222674A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B23/00Equipment for handling lifeboats or the like
    • B63B23/30Devices for guiding boats to water surface
    • B63B23/32Rigid guides, e.g. having arms pivoted near waterline

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

22,674. Walker, A, Oct. 5. Boat-launching apparatus. - A launching-beam 1, universally jointed to the ship's side at 3, is automatically maintained at a regular height above the water irrespective of the rolling of the vessel. The beam is controlled by means of a cable passed around pulleys 5,18 on the launching- beam and a derrick 1<a> and then around the pulleys 15, 16 of an hydraulic cylinder 12 and ram 11. A bellcrank lever 6 on the end of the beam 1 has one arm supporting a weight 8 while the other arm is connected up to the valve 13, 14 controlling the hydraulic ram, so that, should the roll of the vessel tend to carry the beam away from the water, the weight 8 causes the valve to open. The return roll causes a slackening of the cord 9 and allows a weight 19 on the valve to open the same to admit pressure-fluid, thus keeping the beam at a constant height above the water. The boats are supported from trollies 21 running on the beam and on an inboard extension of the same. Automatic disengaging-gear comprises hooks 24 connected by a bar 25 weighted at 26. This weight falls over to release the boat when waterborne. The rope 27 controlling the carrier is wound around a drum controlled by a weight, so that the carrier is automatically returned when the boat is released. The invention may be applied to the construction of landing-gangways.
GB191222674D 1912-10-05 1912-10-05 Improvements relating to Means for Launching Ships' Boats and to Gangways. Expired GB191222674A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191222674T 1912-10-05

Publications (1)

Publication Number Publication Date
GB191222674A true GB191222674A (en) 1913-10-02

Family

ID=32643432

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191222674D Expired GB191222674A (en) 1912-10-05 1912-10-05 Improvements relating to Means for Launching Ships' Boats and to Gangways.

Country Status (1)

Country Link
GB (1) GB191222674A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102910260A (en) * 2012-10-25 2013-02-06 江南大学 Device for contracting and releasing positioning block of beacon vessel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102910260A (en) * 2012-10-25 2013-02-06 江南大学 Device for contracting and releasing positioning block of beacon vessel
CN102910260B (en) * 2012-10-25 2015-01-07 江南大学 Device for contracting and releasing positioning block of beacon vessel

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