GB287535A - Device for the raising and lowering of loads, particularly applicable to cranes - Google Patents

Device for the raising and lowering of loads, particularly applicable to cranes

Info

Publication number
GB287535A
GB287535A GB8891/28A GB889128A GB287535A GB 287535 A GB287535 A GB 287535A GB 8891/28 A GB8891/28 A GB 8891/28A GB 889128 A GB889128 A GB 889128A GB 287535 A GB287535 A GB 287535A
Authority
GB
United Kingdom
Prior art keywords
cranes
loads
lowering
raising
particularly applicable
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
GB8891/28A
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 GB287535A publication Critical patent/GB287535A/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
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/12—Grabs actuated by two or more ropes
    • B66C3/125—Devices for control

Landscapes

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

Abstract

287,535. Bernhard, J. M. March 23, 1927, [Convention date]. Drawings to Specification. Balancing.-The load on a crane is raised and lowered by the movements of a crab on vertical racks in the crane-post and the weight of the crab partly balances the load. The weight of the crab may be increased by an additional counterweight.
GB8891/28A 1927-03-23 1928-03-23 Device for the raising and lowering of loads, particularly applicable to cranes Expired GB287535A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE287535X 1927-03-23

Publications (1)

Publication Number Publication Date
GB287535A true GB287535A (en) 1928-10-11

Family

ID=6059332

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8891/28A Expired GB287535A (en) 1927-03-23 1928-03-23 Device for the raising and lowering of loads, particularly applicable to cranes

Country Status (1)

Country Link
GB (1) GB287535A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2168310A (en) * 1984-12-14 1986-06-18 Rohr Gmbh Dredger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2168310A (en) * 1984-12-14 1986-06-18 Rohr Gmbh Dredger

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