NL7407568A - - Google Patents
Info
- Publication number
- NL7407568A NL7407568A NL7407568A NL7407568A NL7407568A NL 7407568 A NL7407568 A NL 7407568A NL 7407568 A NL7407568 A NL 7407568A NL 7407568 A NL7407568 A NL 7407568A NL 7407568 A NL7407568 A NL 7407568A
- Authority
- NL
- Netherlands
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
- B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
- B66C23/346—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes with locking devices
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA173,260A CA984575A (en) | 1973-06-05 | 1973-06-05 | Stop lock assembly for a pivotal tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7407568A true NL7407568A (xx) | 1974-12-09 |
Family
ID=4096916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7407568A NL7407568A (xx) | 1973-06-05 | 1974-06-05 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3934381A (xx) |
| JP (1) | JPS5027261A (xx) |
| CA (1) | CA984575A (xx) |
| DE (1) | DE2426918A1 (xx) |
| FR (1) | FR2232505B1 (xx) |
| GB (1) | GB1410298A (xx) |
| IT (1) | IT1013349B (xx) |
| NL (1) | NL7407568A (xx) |
| SE (1) | SE7407393L (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4290495A (en) * | 1979-06-18 | 1981-09-22 | Hydra-Rig, Inc. | Portable workover rig with extendable mast substructure, platform mounted drawworks and adjustable wellhead anchor |
| US10654693B2 (en) * | 2015-11-19 | 2020-05-19 | Pride Bodies Ltd. | Crane support assembly |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2193293A (en) * | 1936-08-11 | 1940-03-12 | William H Nichols | Pile driver |
| US2354922A (en) * | 1941-02-14 | 1944-08-01 | Int Stacey Corp | Portable derrick |
| US2327461A (en) * | 1942-02-10 | 1943-08-24 | Ralph H Bouligny | Trailer derrick |
| US2611580A (en) * | 1949-09-13 | 1952-09-23 | J H Holan Corp | Pole derrick |
| US2711803A (en) * | 1952-02-05 | 1955-06-28 | Mccabe Powers Auto Body Co | Folding lifting booms |
| US2790622A (en) * | 1953-09-15 | 1957-04-30 | Reid G Priest | Portable logging tower |
| US2993570A (en) * | 1955-04-18 | 1961-07-25 | Emil A Bender | Portable trailer-mounted derrick |
| US3015374A (en) * | 1956-05-04 | 1962-01-02 | Tel E Lect Products Inc | Hydraulic derrick |
| US3101816A (en) * | 1960-05-20 | 1963-08-27 | James A Wood | Drilling and servicing mast |
| US3109523A (en) * | 1960-09-01 | 1963-11-05 | Skytop Rig Co | Folding derrick |
| US3189134A (en) * | 1961-11-27 | 1965-06-15 | Weyerhaeuser Co | Portable skyline yarder |
| FR1586854A (xx) * | 1968-04-23 | 1970-03-06 | ||
| GB1404136A (en) * | 1971-11-04 | 1975-08-28 | Gen Crane Industries | Mobile load holding means particularly tower cranes |
| US3778940A (en) * | 1972-06-29 | 1973-12-18 | Ingersoll Rand Co | Transferential pin |
-
1973
- 1973-06-05 CA CA173,260A patent/CA984575A/en not_active Expired
-
1974
- 1974-04-22 US US05/462,941 patent/US3934381A/en not_active Expired - Lifetime
- 1974-04-25 GB GB1823174A patent/GB1410298A/en not_active Expired
- 1974-06-03 IT IT51356/74A patent/IT1013349B/it active
- 1974-06-04 JP JP49063280A patent/JPS5027261A/ja active Pending
- 1974-06-04 DE DE19742426918 patent/DE2426918A1/de active Pending
- 1974-06-05 FR FR7419394A patent/FR2232505B1/fr not_active Expired
- 1974-06-05 SE SE7407393A patent/SE7407393L/ not_active Application Discontinuation
- 1974-06-05 NL NL7407568A patent/NL7407568A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| SE7407393L (xx) | 1974-12-06 |
| IT1013349B (it) | 1977-03-30 |
| DE2426918A1 (de) | 1975-01-02 |
| GB1410298A (en) | 1975-10-15 |
| CA984575A (en) | 1976-03-02 |
| FR2232505B1 (xx) | 1978-01-13 |
| FR2232505A1 (xx) | 1975-01-03 |
| JPS5027261A (xx) | 1975-03-20 |
| US3934381A (en) | 1976-01-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |