DE2138805A1 - Ueberlastsicherung fuer auslegerkrane, insbesondere teleskopkrane - Google Patents

Ueberlastsicherung fuer auslegerkrane, insbesondere teleskopkrane

Info

Publication number
DE2138805A1
DE2138805A1 DE19712138805 DE2138805A DE2138805A1 DE 2138805 A1 DE2138805 A1 DE 2138805A1 DE 19712138805 DE19712138805 DE 19712138805 DE 2138805 A DE2138805 A DE 2138805A DE 2138805 A1 DE2138805 A1 DE 2138805A1
Authority
DE
Germany
Prior art keywords
piston rod
overload protection
inductive displacement
bore
cranes
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.)
Granted
Application number
DE19712138805
Other languages
German (de)
English (en)
Other versions
DE2138805C3 (de
DE2138805B2 (de
Inventor
Peter Fuchs
Gerd Huhne
Knud Overlach
Ludwig Pietzsch
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.)
Dr-Ing Ludwig Pietzsch & Co 7505 Ettlingen GmbH
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 claimed from DE2004041A external-priority patent/DE2004041C3/de
Application filed by Individual filed Critical Individual
Priority to DE19712138805 priority Critical patent/DE2138805C3/de
Priority claimed from DE19712138805 external-priority patent/DE2138805C3/de
Publication of DE2138805A1 publication Critical patent/DE2138805A1/de
Publication of DE2138805B2 publication Critical patent/DE2138805B2/de
Application granted granted Critical
Publication of DE2138805C3 publication Critical patent/DE2138805C3/de
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
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/88—Safety gear
    • B66C23/90—Devices for indicating or limiting lifting moment

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
DE19712138805 1971-08-03 Überlastsicherung für Auslegerkrane, Insbesondere Teleskopkrane Expired DE2138805C3 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19712138805 DE2138805C3 (de) 1971-08-03 Überlastsicherung für Auslegerkrane, Insbesondere Teleskopkrane

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2004041A DE2004041C3 (de) 1970-01-29 1970-01-29 überlastsicherung für Auslegerkrane, insbesondere Teleskopkrane
DE19712138805 DE2138805C3 (de) 1971-08-03 Überlastsicherung für Auslegerkrane, Insbesondere Teleskopkrane

Publications (3)

Publication Number Publication Date
DE2138805A1 true DE2138805A1 (de) 1973-02-08
DE2138805B2 DE2138805B2 (de) 1976-04-22
DE2138805C3 DE2138805C3 (de) 1976-12-09

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5076449A (en) * 1990-02-26 1991-12-31 A. B. Chance Company Load measurement system for boom mounted auxiliary arm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5076449A (en) * 1990-02-26 1991-12-31 A. B. Chance Company Load measurement system for boom mounted auxiliary arm

Also Published As

Publication number Publication date
DE2138805B2 (de) 1976-04-22

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8327 Change in the person/name/address of the patent owner

Owner name: DR.-ING. LUDWIG PIETZSCH GMBH & CO, 7505 ETTLINGEN

8340 Patent of addition ceased/non-payment of fee of main patent