FR569369A - Improvements to automatic loading and unloading clamshells - Google Patents

Improvements to automatic loading and unloading clamshells

Info

Publication number
FR569369A
FR569369A FR569369DA FR569369A FR 569369 A FR569369 A FR 569369A FR 569369D A FR569369D A FR 569369DA FR 569369 A FR569369 A FR 569369A
Authority
FR
France
Prior art keywords
clamshells
unloading
automatic loading
loading
automatic
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
Other languages
French (fr)
Inventor
Jean Cannet
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 filed Critical
Application granted granted Critical
Publication of FR569369A publication Critical patent/FR569369A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR569369D 1922-11-09 1923-08-02 Improvements to automatic loading and unloading clamshells Expired FR569369A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE569369X 1922-11-09

Publications (1)

Publication Number Publication Date
FR569369A true FR569369A (en) 1924-04-11

Family

ID=3873060

Family Applications (1)

Application Number Title Priority Date Filing Date
FR569369D Expired FR569369A (en) 1922-11-09 1923-08-02 Improvements to automatic loading and unloading clamshells

Country Status (1)

Country Link
FR (1) FR569369A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2617211A (en) * 1947-07-21 1952-11-11 William A Olson Clamshell bucket
FR2536058A1 (en) * 1982-11-12 1984-05-18 Nemag Bv TIPPING BENCH

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2617211A (en) * 1947-07-21 1952-11-11 William A Olson Clamshell bucket
FR2536058A1 (en) * 1982-11-12 1984-05-18 Nemag Bv TIPPING BENCH
US4538848A (en) * 1982-11-12 1985-09-03 Nemag B.V. Grab

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