NL179803B - LOCKING MECHANISM FOR A TELESCOPIC BOOM. - Google Patents
LOCKING MECHANISM FOR A TELESCOPIC BOOM.Info
- Publication number
- NL179803B NL179803B NLAANVRAGE7507319,A NL7507319A NL179803B NL 179803 B NL179803 B NL 179803B NL 7507319 A NL7507319 A NL 7507319A NL 179803 B NL179803 B NL 179803B
- Authority
- NL
- Netherlands
- Prior art keywords
- locking mechanism
- telescopic boom
- boom
- telescopic
- locking
- Prior art date
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
- B66C23/62—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
-
- 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
- B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32254—Lockable at fixed position
- Y10T403/32467—Telescoping members
- Y10T403/32516—Remotely actuated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US492265A US3921819A (en) | 1974-07-26 | 1974-07-26 | Boom latch mechanism |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7507319A NL7507319A (en) | 1976-01-28 |
NL179803B true NL179803B (en) | 1986-06-16 |
NL179803C NL179803C (en) | 1986-11-17 |
Family
ID=23955611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7507319,A NL179803C (en) | 1974-07-26 | 1975-06-19 | LOCKING MECHANISM FOR A TELESCOPIC BOOM. |
Country Status (13)
Country | Link |
---|---|
US (1) | US3921819A (en) |
JP (1) | JPS5624710Y2 (en) |
BE (1) | BE830788A (en) |
BR (1) | BR7504763A (en) |
CA (1) | CA1023307A (en) |
DE (1) | DE2528129C2 (en) |
ES (1) | ES438294A1 (en) |
FR (1) | FR2279656A1 (en) |
GB (1) | GB1500580A (en) |
IT (1) | IT1033913B (en) |
NL (1) | NL179803C (en) |
PL (1) | PL117432B1 (en) |
ZA (1) | ZA753335B (en) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2926292A1 (en) * | 1979-06-29 | 1981-01-08 | Harnischfeger Gmbh | PARTICULARLY MOBILE TELESCOPIC BOOM CRANE |
US4396126A (en) * | 1980-11-24 | 1983-08-02 | Harnischfeger Corporation | Telescoping crane boom |
US4592474A (en) * | 1981-08-17 | 1986-06-03 | Fmc Corporation | Coupling and latching mechanism for extensible boom |
US4492311A (en) * | 1981-08-17 | 1985-01-08 | Fmc Corporation | Coupling and latching mechanism for extensible boom |
US4514939A (en) * | 1981-08-17 | 1985-05-07 | Fmc Corporation | Extensible boom with manual section stored in base |
US4433515A (en) * | 1981-11-04 | 1984-02-28 | Kidde, Inc. | Remotely operable latch and locking pin for a multi-section boom including a manual fly section |
US4635805A (en) * | 1981-11-05 | 1987-01-13 | Kidde, Inc. | Crane boom locking pin insertion indicator and actuator means |
US4664272A (en) * | 1981-11-05 | 1987-05-12 | Kidde, Inc. | Telescoping crane boom with locking and indicator means |
FR2523565B1 (en) * | 1982-03-19 | 1985-12-06 | Ppm Sa | TELESCOPIC BOOM WITH AN EXTENSION |
US4585132A (en) * | 1984-09-10 | 1986-04-29 | Fmc Corporation | Extensible boom with manual section stored in base |
US4688690A (en) * | 1986-03-07 | 1987-08-25 | Harnischfeger Corporation | Method and apparatus for extending fly section of crane boom |
US5609261A (en) * | 1995-09-19 | 1997-03-11 | Hydra Tech, Inc. | Pivotable boom rest and latch |
DE19631547B4 (en) * | 1996-07-24 | 2004-05-06 | Terex-Demag Gmbh & Co. Kg | Telescopic boom, especially for stationary or mobile cranes |
DE19811813B4 (en) | 1998-03-18 | 2005-11-24 | Grove U.S. LLC (n.d.Ges.d.Staates Delaware) | Lateral boom interlock |
DE19826924A1 (en) * | 1998-06-17 | 1999-12-23 | Grove Us Llc | Boom fixation with adjusting cylinder |
DE10022373B4 (en) * | 2000-05-08 | 2005-11-24 | Grove U.S. Llc | Locking and operating unit for side arm lock |
DE10048224B4 (en) * | 2000-09-21 | 2005-06-02 | Terex-Demag Gmbh & Co. Kg | Locking unit for a telescopic boom of a crane |
US7370904B2 (en) * | 2006-03-21 | 2008-05-13 | Mcneilus Truck And Manufacturing, Inc. | Covering device for a vehicle container |
DE102007052954B3 (en) * | 2007-10-31 | 2009-07-09 | Terex Demag Gmbh | Crane with telescopic boom |
DE102009009944B4 (en) * | 2009-02-20 | 2011-02-24 | Terex-Demag Gmbh | Securing and bolting unit |
CN103016742B (en) * | 2013-01-04 | 2015-04-22 | 四川日机密封件股份有限公司 | High-pressure-resistant mechanical sealing device |
CN103738864B (en) * | 2013-12-19 | 2016-01-20 | 三一汽车起重机械有限公司 | Crane arm and hoisting crane |
US11117789B2 (en) * | 2018-06-04 | 2021-09-14 | Manitowoc Crane Companies, Llc | Telescoping boom with rotary extension and locking system |
CN113646251B (en) * | 2019-04-04 | 2024-04-09 | 株式会社多田野 | Working machine |
JP2023066029A (en) * | 2021-10-28 | 2023-05-15 | 株式会社タダノ | work machine |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2961837A (en) * | 1956-09-28 | 1960-11-29 | Delong Corp | Supporting leg assembly for marine platform |
US3243052A (en) * | 1965-04-08 | 1966-03-29 | Grove Mfg Co | Telescopic crane boom with longitudinally extending cylinder connector |
US3474833A (en) * | 1966-08-26 | 1969-10-28 | Armed Forces Equipment Dev Cor | Telescoping tube assembly |
US3398645A (en) * | 1966-11-30 | 1968-08-27 | Nat Crane Corp | Multiple extension apparatus |
CH476625A (en) * | 1967-12-22 | 1969-08-15 | Warner Swasey Co | Telescopic, hydraulically extendable loading boom for a crane, and method for operating the loading boom |
US3795321A (en) * | 1972-05-18 | 1974-03-05 | Harnischfeger Corp | Telescoping crane boom |
US3842985A (en) * | 1972-12-15 | 1974-10-22 | Harnischfeger Corp | Means for extending and retracting crane boom section |
-
1974
- 1974-07-26 US US492265A patent/US3921819A/en not_active Expired - Lifetime
-
1975
- 1975-05-23 ZA ZA00753335A patent/ZA753335B/en unknown
- 1975-06-06 ES ES438294A patent/ES438294A1/en not_active Expired
- 1975-06-19 NL NLAANVRAGE7507319,A patent/NL179803C/en not_active IP Right Cessation
- 1975-06-20 JP JP1975083695U patent/JPS5624710Y2/ja not_active Expired
- 1975-06-24 GB GB26830/75A patent/GB1500580A/en not_active Expired
- 1975-06-24 DE DE2528129A patent/DE2528129C2/en not_active Expired
- 1975-06-26 CA CA230,280A patent/CA1023307A/en not_active Expired
- 1975-06-26 FR FR7520044A patent/FR2279656A1/en active Granted
- 1975-06-27 BE BE157810A patent/BE830788A/en not_active IP Right Cessation
- 1975-07-08 IT IT12691/75A patent/IT1033913B/en active
- 1975-07-18 PL PL1975182159A patent/PL117432B1/en unknown
- 1975-07-25 BR BR7504763*A patent/BR7504763A/en unknown
Also Published As
Publication number | Publication date |
---|---|
NL179803C (en) | 1986-11-17 |
ES438294A1 (en) | 1977-02-01 |
DE2528129A1 (en) | 1976-02-05 |
BR7504763A (en) | 1976-07-06 |
IT1033913B (en) | 1979-08-10 |
ZA753335B (en) | 1976-04-28 |
US3921819A (en) | 1975-11-25 |
BE830788A (en) | 1975-12-29 |
FR2279656A1 (en) | 1976-02-20 |
CA1023307A (en) | 1977-12-27 |
PL117432B1 (en) | 1981-08-31 |
NL7507319A (en) | 1976-01-28 |
FR2279656B1 (en) | 1980-04-18 |
GB1500580A (en) | 1978-02-08 |
DE2528129C2 (en) | 1986-10-30 |
AU8147375A (en) | 1976-11-25 |
JPS5624710Y2 (en) | 1981-06-10 |
JPS5117972U (en) | 1976-02-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |