GB1311900A - Crane grabs - Google Patents

Crane grabs

Info

Publication number
GB1311900A
GB1311900A GB1311900DA GB1311900A GB 1311900 A GB1311900 A GB 1311900A GB 1311900D A GB1311900D A GB 1311900DA GB 1311900 A GB1311900 A GB 1311900A
Authority
GB
United Kingdom
Prior art keywords
grab
head
weimar
cyclinder
clam
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
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.)
WEIMAR KOMBINAT VEB
Original Assignee
WEIMAR KOMBINAT VEB
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 WEIMAR KOMBINAT VEB filed Critical WEIMAR KOMBINAT VEB
Publication of GB1311900A publication Critical patent/GB1311900A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/413—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device
    • 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
    • B66C3/14—Grabs opened or closed by driving motors thereon
    • B66C3/16—Grabs opened or closed by driving motors thereon by fluid motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

1311900 Grab buckets WEIMAR-KOMBINAT VEB 23 June 1970 30408/70 Heading B8H A clam-shell grab comprises a grab head 1 having grab.shells 9, 10 operable by means of a cyclinder 11 and actuatedly connected to grab struts 2, 3 formed as flexure beams articulatedly connected to one another at an articulation point 4 in the form of a sliding coupling, each strut being pivotally connected to the grab head 1 at respective bearing points 5, 6. (For Figure see next column.)
GB1311900D 1970-06-23 1970-06-23 Crane grabs Expired GB1311900A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3040870 1970-06-23

Publications (1)

Publication Number Publication Date
GB1311900A true GB1311900A (en) 1973-03-28

Family

ID=10307238

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1311900D Expired GB1311900A (en) 1970-06-23 1970-06-23 Crane grabs

Country Status (1)

Country Link
GB (1) GB1311900A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988010231A1 (en) * 1987-03-18 1988-12-29 Hammarbaeck Astrid Grapple device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988010231A1 (en) * 1987-03-18 1988-12-29 Hammarbaeck Astrid Grapple device

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees