GB680712A - Improvements in grabs - Google Patents

Improvements in grabs

Info

Publication number
GB680712A
GB680712A GB884649A GB884649A GB680712A GB 680712 A GB680712 A GB 680712A GB 884649 A GB884649 A GB 884649A GB 884649 A GB884649 A GB 884649A GB 680712 A GB680712 A GB 680712A
Authority
GB
United Kingdom
Prior art keywords
buckets
grab
links
pivots
pivoted
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
GB884649A
Other languages
English (en)
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
Priority to NLAANVRAGE7514570,A priority Critical patent/NL185744B/xx
Priority to NL154280D priority patent/NL154280C/xx
Application filed by Individual filed Critical Individual
Priority to GB884649A priority patent/GB680712A/en
Priority to GB2738251A priority patent/GB680759A/en
Publication of GB680712A publication Critical patent/GB680712A/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
    • E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
    • E02F3/47—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor with grab buckets
    • 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
    • B66C3/02—Bucket grabs
    • 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
    • B66C3/04—Tine grabs
    • 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)
  • Load-Engaging Elements For Cranes (AREA)
  • Shovels (AREA)
GB884649A 1949-04-01 1949-04-01 Improvements in grabs Expired GB680712A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NLAANVRAGE7514570,A NL185744B (nl) 1949-04-01 Aandrijfcircuit voor het voeden van de spoel van een elektromagneet.
NL154280D NL154280C (enrdf_load_stackoverflow) 1949-04-01
GB884649A GB680712A (en) 1949-04-01 1949-04-01 Improvements in grabs
GB2738251A GB680759A (en) 1949-04-01 1950-03-31 Improvements in grabs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB884649A GB680712A (en) 1949-04-01 1949-04-01 Improvements in grabs

Publications (1)

Publication Number Publication Date
GB680712A true GB680712A (en) 1952-10-08

Family

ID=9860346

Family Applications (2)

Application Number Title Priority Date Filing Date
GB884649A Expired GB680712A (en) 1949-04-01 1949-04-01 Improvements in grabs
GB2738251A Expired GB680759A (en) 1949-04-01 1950-03-31 Improvements in grabs

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB2738251A Expired GB680759A (en) 1949-04-01 1950-03-31 Improvements in grabs

Country Status (2)

Country Link
GB (2) GB680712A (enrdf_load_stackoverflow)
NL (2) NL185744B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6537669B1 (en) 1998-03-19 2003-03-25 Georg Kaufmann Device and method for in-mold compression and/or in-mold injection and for edging a decorative material with a supporting material

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4896679U (enrdf_load_stackoverflow) * 1972-02-21 1973-11-16
US3772806A (en) * 1972-03-16 1973-11-20 J Meadows Oyster tongs
JPS50138787U (enrdf_load_stackoverflow) * 1974-05-01 1975-11-14

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6537669B1 (en) 1998-03-19 2003-03-25 Georg Kaufmann Device and method for in-mold compression and/or in-mold injection and for edging a decorative material with a supporting material

Also Published As

Publication number Publication date
GB680759A (en) 1952-10-08
NL185744B (nl)
NL154280C (enrdf_load_stackoverflow)

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