US3592432A - Tie downs - Google Patents

Tie downs Download PDF

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Publication number
US3592432A
US3592432A US840407A US3592432DA US3592432A US 3592432 A US3592432 A US 3592432A US 840407 A US840407 A US 840407A US 3592432D A US3592432D A US 3592432DA US 3592432 A US3592432 A US 3592432A
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US
United States
Prior art keywords
tiedown
rod
pad
engaging
pivoted
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 - Lifetime
Application number
US840407A
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English (en)
Inventor
Robert E Kotzbacher
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.)
Alliance Machine Co
Original Assignee
Alliance Machine Co
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 Alliance Machine Co filed Critical Alliance Machine Co
Application granted granted Critical
Publication of US3592432A publication Critical patent/US3592432A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/18—Travelling gear incorporated in or fitted to trolleys or cranes with means for locking trolleys or cranes to runways or tracks to prevent inadvertent movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/10—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes
    • B63B27/12—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes of gantry type

Definitions

  • a tiedown mechanism for holding an object to a surface having a first link means pivoted at one end to said surface, a tiedown rod pivoted at one end on the other end of said first link means, and having engaging means on the other end engaging the object to be held and extensible means pivoted at one end on the surface and at the other end adjacent the pivotal connection between said first link means and said tiedown rod.
  • This invention relates to tiedowns and particularly to an apparatus for fastening a movable object, such as a gantry crane, to a surface across which it normally moves to prevent any relative movement between the movable object and the surface.
  • the present invention provides a tiedown mechanism which holds equipment on a deck surface against vertical and horizontal movement in all directions and which cannot be jarred or worked loose.
  • a tiedown mechanism com-v prising first link means pivoted atone end to said surface, a tiedown rod pivoted at one end on the other end of said first link means and having an opening in the opposite end adapted to fit over a pad on said movable object extending transverse to the deck surface, and ratchet means pivoted at one end on the surface between the pivot of said first link means and the movable object and at its other end adjacent the pivotal connection between said first link means and said tiedown rod, whereby the angular relationship of the link means and tiedown rod can be changed so as to change the combined straight line length thereof.
  • Preferably fluid control means are connected to said one end of the tiedown link to rotate the same about the pivot on the first link means.
  • a screwjack is preferably provided in the opening in the tiedown adapted to lock the opening to the pad on the movable object.
  • a screwjack is also preferably provided on a vertical standard fixed to the surface and adapted to move generally parallel to the surface to engage the object and a ratchet pivoted at one end to the surface and extending generally transverse to the object at an angle to the screwjack to engage the object adjacent the screwjack.
  • FIG. 1 is an end elevational view of a tiedown according to this invention applied to a gantry crane on a ship deck;
  • FIG. 2 is a side elevational view of the tiedown of FIG. 1;
  • FIG. 3 is a section on the line III-Ill of FIG. 2;
  • FIG. 4 is a section on the line IVIV of FIG. 3.
  • the gantry crane I2 is provided with wheels 13 at the base of legs I4 which carry the gantry.
  • Each leg 14 is provided with pads 15 extending from the side thereof at an angle of about to from the horizontal.
  • a platform 16 is provided on the ship deck 10 alongside rails 11 at a point where it is desired to store the gantry.
  • the platform 16 is provided on the ship deck 10 along side rails II at a point where it is desired to store the gantry.
  • the platform is preferably made up ofa pair of spaced vertical members 17 and 18 and a top member 19.
  • the top member 19 is provided with vertically upstanding posts 20 provided with opening 21 carrying a shaft 22.
  • a pair of first link means 23 are pivoted at one end to the shaft 22.
  • a U-shaped tiedown rod 24 is pivoted to the other end of first link means 23, the U- shaped end being adapted to pass over and engage pads 15 on the gantry.
  • a screwjack 25 is mounted in the U-shaped tiedown rod 24 and is adapted to be engaged against the opposite side of pad 15 from the tiedown rod.
  • a ratchet 26 is pivoted at one end to the top member 19 and at the other end to the end of first link means 23 adjacent its pivot with tiedown rod 24.
  • a bellcrank arm 27 is provided on the tiedown rod 24 and is connected to a fluid piston 28 operated by cylinder 29 pivotally attached to the platform top member 19. Operation of piston 28 rotates the tiedown rod 24 from its locking position on pad IS'to the unlocked position shown in chain line on FIG. 1.
  • a screwjack 30 fixed to upstanding vertical member 18 is adapted to engage and disengage the leg 14 of gantry 12 to prevent side movement.
  • a second ratchet 31 is pivoted at one end on ring 32 fixed to platform top member 19 and is adaptedto engage a hook 33 on gantry leg 14. Tightening the ratchet 31 holds the gantry against movement longitudinally of the deck.
  • An identical unit is preferably placed at each of the four gantry legs to tie the gantry tightly against movement in any direction.
  • the tiedown described above is simple to operate, quickly attached and released and relatively inexpensive to construct. It will hold a gantry against shifting under even the most extreme conditions of weather without working loose.
  • a tiedown mechanism comprising in combination a surface, an object movable on said surface and having a tiedown pad thereon, a first link means pivoted at one end to said surface, a tiedown rod pivoted at one end on the other end of said first link means and free at the other end, said free other end having engaging means engaging over the pad on the object to be held and extensible means pivoted at one end on the surface and at the other end adjacent the pivotal connection between said first link means and said tiedown rod whereby the angular relationship between said first link means and tiedown rod can be changed so as to change the combined straight line length thereof.
  • a tiedown mechanism as claimed in claim 1 wherein expansion-contractive means are attached at one end to said surface and removably attached to said object whereby to prevent longitudinal movement of said object parallel to said surface.
  • a tiedown mechanism as claimed in claim 1 having fluid operated means rotating said tiedown rod about its pivot on the link means into and out of engagement with said pad.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
  • Jib Cranes (AREA)
US840407A 1969-07-09 1969-07-09 Tie downs Expired - Lifetime US3592432A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84040769A 1969-07-09 1969-07-09

Publications (1)

Publication Number Publication Date
US3592432A true US3592432A (en) 1971-07-13

Family

ID=25282303

Family Applications (1)

Application Number Title Priority Date Filing Date
US840407A Expired - Lifetime US3592432A (en) 1969-07-09 1969-07-09 Tie downs

Country Status (5)

Country Link
US (1) US3592432A (enrdf_load_html_response)
BE (1) BE742645A (enrdf_load_html_response)
DE (1) DE1959823A1 (enrdf_load_html_response)
FR (1) FR2051609B1 (enrdf_load_html_response)
GB (1) GB1289872A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109502477A (zh) * 2018-12-21 2019-03-22 中铁九桥工程有限公司 一种大吨位桥面起重机用锚固拉杆系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1416191A (en) * 1922-03-13 1922-05-16 Arthur G Girard Adjustable suspending rig for automobiles
US2529588A (en) * 1948-02-16 1950-11-14 Ernest S Beckett Car squeeze
FR1086786A (fr) * 1952-05-30 1955-02-16 Blackburn & Gen Aircraft Ltd Dispositif pour l'assujettissement de motocyclettes et analogues dans des véhicules de transport tels qu'un aéroplane
US3228641A (en) * 1964-09-11 1966-01-11 Pullman Inc Foldable fifth wheel stanchion

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1416191A (en) * 1922-03-13 1922-05-16 Arthur G Girard Adjustable suspending rig for automobiles
US2529588A (en) * 1948-02-16 1950-11-14 Ernest S Beckett Car squeeze
FR1086786A (fr) * 1952-05-30 1955-02-16 Blackburn & Gen Aircraft Ltd Dispositif pour l'assujettissement de motocyclettes et analogues dans des véhicules de transport tels qu'un aéroplane
US3228641A (en) * 1964-09-11 1966-01-11 Pullman Inc Foldable fifth wheel stanchion

Also Published As

Publication number Publication date
FR2051609A1 (enrdf_load_html_response) 1971-04-09
GB1289872A (enrdf_load_html_response) 1972-09-20
BE742645A (enrdf_load_html_response) 1970-05-14
FR2051609B1 (enrdf_load_html_response) 1973-03-16
DE1959823A1 (de) 1970-09-17

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