FR2139784B1 - - Google Patents

Info

Publication number
FR2139784B1
FR2139784B1 FR7121930A FR7121930A FR2139784B1 FR 2139784 B1 FR2139784 B1 FR 2139784B1 FR 7121930 A FR7121930 A FR 7121930A FR 7121930 A FR7121930 A FR 7121930A FR 2139784 B1 FR2139784 B1 FR 2139784B1
Authority
FR
France
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
FR7121930A
Other languages
French (fr)
Other versions
FR2139784A1 (index.php
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.)
SERMA
Original Assignee
SERMA
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 SERMA filed Critical SERMA
Priority to FR7121930A priority Critical patent/FR2139784B1/fr
Publication of FR2139784A1 publication Critical patent/FR2139784A1/fr
Application granted granted Critical
Publication of FR2139784B1 publication Critical patent/FR2139784B1/fr
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
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/425—Gripping members engaging only the external or internal surfaces of the articles motor actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/425—Gripping members engaging only the external or internal surfaces of the articles motor actuated
    • B66C1/427—Gripping members engaging only the external or internal surfaces of the articles motor actuated by hydraulic or pneumatic motors
    • 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)
FR7121930A 1971-05-28 1971-05-28 Expired FR2139784B1 (index.php)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7121930A FR2139784B1 (index.php) 1971-05-28 1971-05-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7121930A FR2139784B1 (index.php) 1971-05-28 1971-05-28

Publications (2)

Publication Number Publication Date
FR2139784A1 FR2139784A1 (index.php) 1973-01-12
FR2139784B1 true FR2139784B1 (index.php) 1976-03-19

Family

ID=9078782

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7121930A Expired FR2139784B1 (index.php) 1971-05-28 1971-05-28

Country Status (1)

Country Link
FR (1) FR2139784B1 (index.php)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH641864A5 (fr) * 1980-12-02 1984-03-15 Serge Vuistiner Engin de terrassement.
DE29700491U1 (de) * 1997-01-14 1997-03-13 Bümach Engineering International B.V., Emmen Universalantrieb für Greifer

Also Published As

Publication number Publication date
FR2139784A1 (index.php) 1973-01-12

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Legal Events

Date Code Title Description
ST Notification of lapse