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GB190813055A - Improvements in Chain Booms and the like - Google Patents

Improvements in Chain Booms and the like

Info

Publication number
GB190813055A
GB190813055A GB190813055DA GB190813055A GB 190813055 A GB190813055 A GB 190813055A GB 190813055D A GB190813055D A GB 190813055DA GB 190813055 A GB190813055 A GB 190813055A
Authority
GB
United Kingdom
Prior art keywords
blocks
chain
boom
carriages
tied
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
William Newsam Mcclean
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 GB190813055A publication Critical patent/GB190813055A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/50—Slowing-down means not otherwise provided for
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02C—SHIP-LIFTING DEVICES OR MECHANISMS
    • E02C1/00—Locks or dry-docks; Shaft locks, i.e. locks of which one front side is formed by a solid wall with an opening in the lower part through which the ships pass
    • E02C1/10—Equipment for use in connection with the navigation of ships in locks; Mooring equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

13,055. McClean, W. N. June 18. Booms.-A chain boom stretched across a canal or entrance to a dock or harbour to protect lock gates, caissons, and the like against collisions by vessels consists of a chain looped and tied with pieces of weaker chain, which break successively on the impact of a vessel and so gradually arrest its progress. The chain a, Fig. 1, tied by the chains b is attached to blocks c which slide in vertical guides so that the boom may be kept at water level, or may be lowered to allow vessels to pass. The adjustment to water 'level may be made automatic by counterpoising the blocks c with floats i, Fig. 7, a counterweight j being attached, which on being raised by the rope k passing to winding-apparatus allows the float, and consequently the blocks c, to sink ; or compressed air may be admitted to the float to alter its buoyancy. The blocks c may be mounted on roller carriages, the blocks being held against the carriages by springs, so that in the event of a vessel striking the boom, the blocks leave the carriages and bear against the sides of the grooves d. The pull on the anchor blocks may be diminished by attaching baulks of timber to the chain to render it partly' buoyant.
GB190813055D 1908-06-18 1908-06-18 Improvements in Chain Booms and the like Expired GB190813055A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190813055T 1908-06-18

Publications (1)

Publication Number Publication Date
GB190813055A true GB190813055A (en) 1909-04-08

Family

ID=32437580

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190813055D Expired GB190813055A (en) 1908-06-18 1908-06-18 Improvements in Chain Booms and the like

Country Status (1)

Country Link
GB (1) GB190813055A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950897C (en) * 1952-09-07 1956-10-18 Augsburg Nuernberg A G Zweigni Impact protection device in front of lock gates, in particular mortise and lifting gates
DE1024441B (en) * 1954-10-22 1958-02-13 Paul Rehder Dr Ing Shock absorbers for hydraulic protection and traffic facilities
DE1045923B (en) * 1954-06-01 1958-12-04 Paul Rehder Dr Ing Shock absorbers for hydraulic protection and traffic facilities using elastic, tensile members

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950897C (en) * 1952-09-07 1956-10-18 Augsburg Nuernberg A G Zweigni Impact protection device in front of lock gates, in particular mortise and lifting gates
DE1045923B (en) * 1954-06-01 1958-12-04 Paul Rehder Dr Ing Shock absorbers for hydraulic protection and traffic facilities using elastic, tensile members
DE1024441B (en) * 1954-10-22 1958-02-13 Paul Rehder Dr Ing Shock absorbers for hydraulic protection and traffic facilities

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