FR2336581A1 - Perfectionnements aux systemes de verrouillage automatique de deux elements telescopiques - Google Patents
Perfectionnements aux systemes de verrouillage automatique de deux elements telescopiquesInfo
- Publication number
- FR2336581A1 FR2336581A1 FR7539911A FR7539911A FR2336581A1 FR 2336581 A1 FR2336581 A1 FR 2336581A1 FR 7539911 A FR7539911 A FR 7539911A FR 7539911 A FR7539911 A FR 7539911A FR 2336581 A1 FR2336581 A1 FR 2336581A1
- Authority
- FR
- France
- Prior art keywords
- mast
- spindle
- locking
- locking mechanism
- spring loaded
- 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
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
-
- 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
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/708—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic locking devices for telescopic jibs
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7539911A FR2336581A1 (fr) | 1975-12-22 | 1975-12-22 | Perfectionnements aux systemes de verrouillage automatique de deux elements telescopiques |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7539911A FR2336581A1 (fr) | 1975-12-22 | 1975-12-22 | Perfectionnements aux systemes de verrouillage automatique de deux elements telescopiques |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2336581A1 true FR2336581A1 (fr) | 1977-07-22 |
FR2336581B3 FR2336581B3 (fr) | 1978-11-03 |
Family
ID=9164231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7539911A Granted FR2336581A1 (fr) | 1975-12-22 | 1975-12-22 | Perfectionnements aux systemes de verrouillage automatique de deux elements telescopiques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2336581A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2446907A1 (fr) * | 1979-01-18 | 1980-08-14 | Telecommunications Internal Ci | Perfectionnement aux pylones telescopiques |
FR2591211A1 (fr) * | 1985-12-06 | 1987-06-12 | Peugeot | Dispositif de chargement et de dechargement pour vehicule automobile |
US5718087A (en) * | 1996-05-02 | 1998-02-17 | The Will-Burt Company | Telescoping mast assembly |
GB2370558A (en) * | 2000-11-09 | 2002-07-03 | Siemens Ag | Telescopic jib with locking element |
-
1975
- 1975-12-22 FR FR7539911A patent/FR2336581A1/fr active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2446907A1 (fr) * | 1979-01-18 | 1980-08-14 | Telecommunications Internal Ci | Perfectionnement aux pylones telescopiques |
FR2591211A1 (fr) * | 1985-12-06 | 1987-06-12 | Peugeot | Dispositif de chargement et de dechargement pour vehicule automobile |
US5718087A (en) * | 1996-05-02 | 1998-02-17 | The Will-Burt Company | Telescoping mast assembly |
GB2370558A (en) * | 2000-11-09 | 2002-07-03 | Siemens Ag | Telescopic jib with locking element |
Also Published As
Publication number | Publication date |
---|---|
FR2336581B3 (fr) | 1978-11-03 |
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