GB1178520A - Boom Travel Limiting Device for Cranes - Google Patents

Boom Travel Limiting Device for Cranes

Info

Publication number
GB1178520A
GB1178520A GB46865/68A GB4686568A GB1178520A GB 1178520 A GB1178520 A GB 1178520A GB 46865/68 A GB46865/68 A GB 46865/68A GB 4686568 A GB4686568 A GB 4686568A GB 1178520 A GB1178520 A GB 1178520A
Authority
GB
United Kingdom
Prior art keywords
limiting device
travel limiting
oct
frame
cranes
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
GB46865/68A
Inventor
Jay Dee Brown
Richard Nye Moseman
Harvey Louis Mattern
John Karmair Shirin
Donald Lee Ross
Galen William Zimmerman
George Duford Mcgehee
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
Publication of GB1178520A publication Critical patent/GB1178520A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/88—Safety gear
    • B66C23/94—Safety gear for limiting slewing movements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Control And Safety Of Cranes (AREA)

Abstract

1,178,520. Crane safety device. J. D. BROWN, R. N. MOSEMAN, H. L. MATTERN, J. K. SHIRIN, D. L. ROSS, G. W. ZIMMERMAN, and G. D. McGEHEE. 2 Oct., 1968 [2 Oct., 1967], No. 46865/68. Heading B8B. A boom travel limiting device for a mobile crane 12 with a frame 15 supported by forward and rearward wheels 16, 17 for transport, and additionally by removable legs 18 when in use, comprises stop blocks 55 adjustably mounted on a stop mounting track 40 on the frame 15 and a bumper assembly 70 attached to cab 20 carried on a circular bearing 22. Normally open limit switches 105 on the bumper assembly 70 give an audio signal as the assembly approaches either of the stop blocks 55 and return the operator's control lever 26 to a neutral position.
GB46865/68A 1967-10-02 1968-10-02 Boom Travel Limiting Device for Cranes Expired GB1178520A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67215967A 1967-10-02 1967-10-02

Publications (1)

Publication Number Publication Date
GB1178520A true GB1178520A (en) 1970-01-21

Family

ID=24697386

Family Applications (1)

Application Number Title Priority Date Filing Date
GB46865/68A Expired GB1178520A (en) 1967-10-02 1968-10-02 Boom Travel Limiting Device for Cranes

Country Status (4)

Country Link
US (1) US3456810A (en)
DE (1) DE1800754A1 (en)
FR (1) FR1596589A (en)
GB (1) GB1178520A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2204014A (en) * 1987-04-29 1988-11-02 Scott Jcb Limited Slew control system

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3664515A (en) * 1970-01-05 1972-05-23 Ely Enterprises Inc Actuatable stop
US4065761A (en) * 1976-02-09 1977-12-27 Young Fire Equipment Corporation Electrical installation for fire engine tower or the like
FR2550520B1 (en) * 1983-08-12 1987-03-20 Causse Antoine DEVICE FOR AUTOMATICALLY PROHIBITING MOVEMENT IN A PREDETERMINED AREA OF AN ADJUSTABLE LIFTING ARM
US5009566A (en) * 1989-10-20 1991-04-23 Clark Equipment Company Retractable boom stop
US5094353A (en) * 1991-04-18 1992-03-10 Institut De Recherche En Sante Et En Securite Du Travail Du Quebec Clamping device for crane or the like
US5678707A (en) * 1995-07-31 1997-10-21 Pioneer Engineering Mechanism for rotating a crane turret through a 500° arc
US7635063B2 (en) * 2006-11-06 2009-12-22 Progress Rail Services Corp. Swing stop for rotary crane

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2529193A (en) * 1945-12-26 1950-11-07 Unit Crane & Shovel Corp Safety boom stop
US3170411A (en) * 1963-09-03 1965-02-23 George H Howard Turntable for automobiles and the like
US3285430A (en) * 1965-09-17 1966-11-15 Bigge Drayage Co Boom safety control system for cranes
US3369671A (en) * 1965-10-11 1968-02-20 Yasukouchi Haruo Gooseneck jibs of crane booms

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2204014A (en) * 1987-04-29 1988-11-02 Scott Jcb Limited Slew control system

Also Published As

Publication number Publication date
FR1596589A (en) 1970-06-22
DE1800754A1 (en) 1969-05-29
US3456810A (en) 1969-07-22

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