GB1173987A - Improvements in Mobile Cranes - Google Patents

Improvements in Mobile Cranes

Info

Publication number
GB1173987A
GB1173987A GB52103/67A GB5210367A GB1173987A GB 1173987 A GB1173987 A GB 1173987A GB 52103/67 A GB52103/67 A GB 52103/67A GB 5210367 A GB5210367 A GB 5210367A GB 1173987 A GB1173987 A GB 1173987A
Authority
GB
United Kingdom
Prior art keywords
boom
frame
foot
rollers
secured
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
GB52103/67A
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.)
Ruston-Bucyrus Ltd
Original Assignee
Ruston-Bucyrus 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 Ruston-Bucyrus Ltd filed Critical Ruston-Bucyrus Ltd
Publication of GB1173987A publication Critical patent/GB1173987A/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
    • B66C23/18—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 specially adapted for use in particular purposes
    • B66C23/36—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/03—Cranes with arms or jibs; Multiple cranes
    • B66C2700/0321—Travelling cranes
    • B66C2700/0357—Cranes on road or off-road vehicles, on trailers or towed vehicles; Cranes on wheels or crane-trucks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

1,173,987. Jib cranes. RUSTON-BUCYRUS Ltd. 16 Nov., 1967 [9 Dec., 1966], No. 52103/67. Heading B8B. A mobile crane comprises a frame 6 rotatably mounted on a chassis 1, and a boom 10 having its foot attached to conveyer means mounted on the frame 6 and adapted to move the boom foot between an operating position in which the boom foot is disposed adjacent the front end of the frame 6 and a travelling position in which the boom foot is disposed adjacent the back end of the frame 6. The boom top 16 has wheels 15 to support it when the boom is lowered and the boom foot is mounted by hinge pins on arms 25 of the conveyer means, the arms being secured to a torque tube rotated by an hydraulic actuator. When the boom is in the operating position it is releasably secured to the frame 6 by spring- loaded T-bolts. The frame 6 also supports a lowerable A-frame 43 as described in Specification 1,145,606. Rollers 63 rotatably mounted on the frame 6 are engaged by tracks on the boom to support the latter as the boom foot is moved to the travelling position. Between the rollers and rotatably mounted thereon is a boom stop cable drum, Fig. 7 (not shown). Inside the said drum is a return spring drum and a return spring has its ends respectively fixed to the two drums. The stop cable is secured to the boom 10 and prevents the latter being raised beyond a safe working angle. Resiliently mounted rollers 82 support the boom in its travelling position and a pan 84 on the boom supports a cable 53 and a bridle 54. In a second embodiment, Figs. 9, 10 (not shown), the boom foot is secured to a pair of conveyer chains which move the foot. The rollers 63 are mounted on a member telescopically adjustable relative to the frame 6 by manual, hydraulic or mechanical means.
GB52103/67A 1966-12-09 1967-11-16 Improvements in Mobile Cranes Expired GB1173987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US600541A US3399785A (en) 1966-12-09 1966-12-09 Boom handling apparatus

Publications (1)

Publication Number Publication Date
GB1173987A true GB1173987A (en) 1969-12-10

Family

ID=24404018

Family Applications (1)

Application Number Title Priority Date Filing Date
GB52103/67A Expired GB1173987A (en) 1966-12-09 1967-11-16 Improvements in Mobile Cranes

Country Status (2)

Country Link
US (1) US3399785A (en)
GB (1) GB1173987A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3030820A1 (en) * 1979-08-17 1981-03-26 Coles Cranes Ltd., Sunderland, Tyne and Wear MOBILE CRANE WITH A TELESCOPIC BOOM
US4700852A (en) * 1984-07-17 1987-10-20 Mora Hydraulics Aktiebolag Recovery vehicle device

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3923163A (en) * 1971-12-20 1975-12-02 Sam P Wallace Company Inc Crane
US3977530A (en) * 1974-06-13 1976-08-31 The Manitowoc Company, Inc. Crane with gantry backhitch and boom hoist assembly removable as a unit
US3926453A (en) * 1974-08-30 1975-12-16 Pierce Pacific Mfg Inc Carrier vehicle with pusher-type dolly
US3987594A (en) * 1975-02-06 1976-10-26 Clark Equipment Company System and method for automatic unstowing and stowing of a crane boom
US4226300A (en) * 1979-02-21 1980-10-07 Mark Industries Self propelled and extensible boom lift
US4421241A (en) * 1981-04-24 1983-12-20 Fmc Corporation Removable live mast and hoist unit
RU2676900C1 (en) * 2017-11-21 2019-01-11 Федеральное государственное бюджетное образовательное учреждение высшего образования "Сибирский государственный автомобильно-дорожный университет" (СибАДИ) Mobile crane

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2126118A (en) * 1936-02-17 1938-08-09 George S Kelley Load handling machine
US2393312A (en) * 1943-11-12 1946-01-22 Leonard J Quinn Safety appliance for hoisting apparatus
US2529454A (en) * 1948-01-10 1950-11-07 Eugene P Reading Inc Foldable boom
US3095978A (en) * 1959-03-04 1963-07-02 Boyer Leon Pierre Travelling cranes and the like
US3306470A (en) * 1965-01-25 1967-02-28 Robert A Green Folding boom for mobile cranes
US3335977A (en) * 1965-06-16 1967-08-15 Ludwig F Meditz Convertiplane

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3030820A1 (en) * 1979-08-17 1981-03-26 Coles Cranes Ltd., Sunderland, Tyne and Wear MOBILE CRANE WITH A TELESCOPIC BOOM
US4700852A (en) * 1984-07-17 1987-10-20 Mora Hydraulics Aktiebolag Recovery vehicle device

Also Published As

Publication number Publication date
DE1531140B2 (en) 1972-11-23
US3399785A (en) 1968-09-03
DE1531140A1 (en) 1969-12-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee