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FR2398207A1 - Dispositif de blocage en position deployee de deux elements telescopiques - Google Patents

Dispositif de blocage en position deployee de deux elements telescopiques

Info

Publication number
FR2398207A1
FR2398207A1 FR7723364A FR7723364A FR2398207A1 FR 2398207 A1 FR2398207 A1 FR 2398207A1 FR 7723364 A FR7723364 A FR 7723364A FR 7723364 A FR7723364 A FR 7723364A FR 2398207 A1 FR2398207 A1 FR 2398207A1
Authority
FR
France
Prior art keywords
outer tube
springs
lock
hold
inside outer
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
FR7723364A
Other languages
English (en)
Other versions
FR2398207B1 (fr
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.)
ACME
Original Assignee
ACME
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 ACME filed Critical ACME
Priority to FR7723364A priority Critical patent/FR2398207A1/fr
Publication of FR2398207A1 publication Critical patent/FR2398207A1/fr
Application granted granted Critical
Publication of FR2398207B1 publication Critical patent/FR2398207B1/fr
Granted 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
    • B66C23/18—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 specially adapted for use in particular purposes
    • B66C23/26—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • B66C23/28—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
    • B66C23/30—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of telescopic elements
    • B66C23/305—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of telescopic elements with locking devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/10—Telescoping systems
    • F16B7/105—Telescoping systems locking in discrete positions, e.g. in extreme extended position

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

Retenue de deux éléments télescopiques en position déployée Au moins un cliquet 6 monté oscillant à la partie inférieure de l'élément mobile 1 porte une encoche 7 située entre deux dents 8, 9 de longueurs inégales. Par coopération avec un goujon 11 solidaire de l'élément fixe 2 le cliquet pivote pour que son encoche 7 prenne appui contre le goujon 11. Grue à mât télescopique.
FR7723364A 1977-07-22 1977-07-22 Dispositif de blocage en position deployee de deux elements telescopiques Granted FR2398207A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7723364A FR2398207A1 (fr) 1977-07-22 1977-07-22 Dispositif de blocage en position deployee de deux elements telescopiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7723364A FR2398207A1 (fr) 1977-07-22 1977-07-22 Dispositif de blocage en position deployee de deux elements telescopiques

Publications (2)

Publication Number Publication Date
FR2398207A1 true FR2398207A1 (fr) 1979-02-16
FR2398207B1 FR2398207B1 (fr) 1984-05-18

Family

ID=9193974

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7723364A Granted FR2398207A1 (fr) 1977-07-22 1977-07-22 Dispositif de blocage en position deployee de deux elements telescopiques

Country Status (1)

Country Link
FR (1) FR2398207A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484385A1 (fr) * 1980-06-17 1981-12-18 Petitjean Et Cie Appareil de levage d'une charge
WO1983001493A1 (fr) * 1981-10-26 1983-04-28 Robinson, Allan, Francis Verrou
EP0288430A1 (fr) * 1987-04-21 1988-10-26 Visita Mtc Ltd. Mécanisme de verrouillage, notamment pour le réglage en hauteur de tables
CN107445076A (zh) * 2017-07-18 2017-12-08 北汽福田汽车股份有限公司 臂销机构和起重机

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR525480A (fr) * 1920-10-01 1921-09-22 Jules Bardin Dispositif d'arc-boutant articulé et commandé à volonté, applicable aux chèvres ou autres élévateurs à pylones télescopiques
FR1199615A (fr) * 1958-03-19 1959-12-15 Potain & Cie Ets F Perfectionnements aux mâts télescopiques pour grues et analogues
DE1072790B (de) * 1958-03-06 1960-01-07 Electricite De France-Service National, Paris Klinkensperre für in einem senkrechten Rohr od. dgl. bewegte Lastträger
FR1328991A (fr) * 1962-04-24 1963-06-07 Potain & Cie Ets F Perfectionnements aux dispositifs de verrouillage pour mâts télescopiques
FR1386512A (fr) * 1963-12-04 1965-01-22 Potain & Cie Ets F Perfectionnements aux dispositifs pour le blocage et le verrouillage de deux éléments d'un mât télescopique
FR1440796A (fr) * 1965-04-12 1966-06-03 Richier Sa Dispositif de verrouillage automatique d'un mât télescopique
US3269561A (en) * 1964-11-27 1966-08-30 Dresser Ind Latching mechanism for telescoping members
FR1569917A (fr) * 1968-04-12 1969-06-06
US3697103A (en) * 1970-11-03 1972-10-10 Defense Australia Telescopic tube locking and unlocking system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR525480A (fr) * 1920-10-01 1921-09-22 Jules Bardin Dispositif d'arc-boutant articulé et commandé à volonté, applicable aux chèvres ou autres élévateurs à pylones télescopiques
DE1072790B (de) * 1958-03-06 1960-01-07 Electricite De France-Service National, Paris Klinkensperre für in einem senkrechten Rohr od. dgl. bewegte Lastträger
FR1199615A (fr) * 1958-03-19 1959-12-15 Potain & Cie Ets F Perfectionnements aux mâts télescopiques pour grues et analogues
FR1328991A (fr) * 1962-04-24 1963-06-07 Potain & Cie Ets F Perfectionnements aux dispositifs de verrouillage pour mâts télescopiques
FR1386512A (fr) * 1963-12-04 1965-01-22 Potain & Cie Ets F Perfectionnements aux dispositifs pour le blocage et le verrouillage de deux éléments d'un mât télescopique
US3269561A (en) * 1964-11-27 1966-08-30 Dresser Ind Latching mechanism for telescoping members
FR1440796A (fr) * 1965-04-12 1966-06-03 Richier Sa Dispositif de verrouillage automatique d'un mât télescopique
FR1569917A (fr) * 1968-04-12 1969-06-06
US3697103A (en) * 1970-11-03 1972-10-10 Defense Australia Telescopic tube locking and unlocking system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484385A1 (fr) * 1980-06-17 1981-12-18 Petitjean Et Cie Appareil de levage d'une charge
WO1983001493A1 (fr) * 1981-10-26 1983-04-28 Robinson, Allan, Francis Verrou
EP0288430A1 (fr) * 1987-04-21 1988-10-26 Visita Mtc Ltd. Mécanisme de verrouillage, notamment pour le réglage en hauteur de tables
US4860668A (en) * 1987-04-21 1989-08-29 Visita Mtc Ltd. Movement-controlled locking mechanism, particularly for movable support tables or platforms
CN107445076A (zh) * 2017-07-18 2017-12-08 北汽福田汽车股份有限公司 臂销机构和起重机
CN107445076B (zh) * 2017-07-18 2019-02-26 北汽福田汽车股份有限公司 臂销机构和起重机

Also Published As

Publication number Publication date
FR2398207B1 (fr) 1984-05-18

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Legal Events

Date Code Title Description
CD Change of name or company name
CN Change in juridical nature
GC Lien (pledge) constituted
ST Notification of lapse