GB901410A - Improvements relating to safe load indicators for cranes - Google Patents

Improvements relating to safe load indicators for cranes

Info

Publication number
GB901410A
GB901410A GB2755859A GB2755859A GB901410A GB 901410 A GB901410 A GB 901410A GB 2755859 A GB2755859 A GB 2755859A GB 2755859 A GB2755859 A GB 2755859A GB 901410 A GB901410 A GB 901410A
Authority
GB
United Kingdom
Prior art keywords
cranes
arm
improvements relating
crane
safe load
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
GB2755859A
Inventor
Philip Gordon Caudwell
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.)
John Allen & Sons Oxford Ltd
Original Assignee
John Allen & Sons Oxford Ltd
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 John Allen & Sons Oxford Ltd filed Critical John Allen & Sons Oxford Ltd
Priority to GB2755859A priority Critical patent/GB901410A/en
Publication of GB901410A publication Critical patent/GB901410A/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
    • B66C23/90—Devices for indicating or limiting lifting moment

Landscapes

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

Abstract

901,410. Overload indicators for cranes. ALLEN & SONS (OXFORD) Ltd., JOHN. Oct. 19, 1960 [Aug. 12, 1959], No. 27558/59. Class 78 (4). A visible and/or audible overload indicator device is operated by an arm 19 pivoted to a slewing frame 3 and carrying at least one of a set of rollers 18 which co-operate with a flanged ring 14 to oppose the tilting movement of the crane. As described, the arm 19 moves a pointer 24 connected to a spring-biased rod 22, this linkage magnifying the tilting movements of the crane. The movement of the arm 19 may alternatively be transmitted electrically, hydraulically or pneumatically to the indicator device.
GB2755859A 1959-08-12 1959-08-12 Improvements relating to safe load indicators for cranes Expired GB901410A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2755859A GB901410A (en) 1959-08-12 1959-08-12 Improvements relating to safe load indicators for cranes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2755859A GB901410A (en) 1959-08-12 1959-08-12 Improvements relating to safe load indicators for cranes

Publications (1)

Publication Number Publication Date
GB901410A true GB901410A (en) 1962-07-18

Family

ID=10261562

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2755859A Expired GB901410A (en) 1959-08-12 1959-08-12 Improvements relating to safe load indicators for cranes

Country Status (1)

Country Link
GB (1) GB901410A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934739A (en) * 1974-02-13 1976-01-27 Standard Havens, Inc. Self-erecting surge storage system
WO2018145079A1 (en) * 2017-02-06 2018-08-09 Mietzner Jr Leroy W Boom safe, anti-tip system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934739A (en) * 1974-02-13 1976-01-27 Standard Havens, Inc. Self-erecting surge storage system
WO2018145079A1 (en) * 2017-02-06 2018-08-09 Mietzner Jr Leroy W Boom safe, anti-tip system
US10913639B2 (en) 2017-02-06 2021-02-09 LeRoy W. Mietzner, JR. Boom safe anti-tip system

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