SE317791B - - Google Patents
Info
- Publication number
- SE317791B SE317791B SE241269A SE241269A SE317791B SE 317791 B SE317791 B SE 317791B SE 241269 A SE241269 A SE 241269A SE 241269 A SE241269 A SE 241269A SE 317791 B SE317791 B SE 317791B
- Authority
- SE
- Sweden
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
- B66F3/30—Constructional features with positive brakes or locks
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE241269A SE317791B (xx) | 1969-02-21 | 1969-02-21 | |
DE19691961283 DE1961283A1 (de) | 1969-02-21 | 1969-12-06 | Hebezeug |
GB1297777D GB1297777A (xx) | 1969-02-21 | 1969-12-08 | |
FR7003326A FR2030441A1 (xx) | 1969-02-21 | 1970-01-30 | |
CA074,516A CA946820A (en) | 1969-02-21 | 1970-02-11 | Jack assemblies |
JP1515870A JPS5026822B1 (xx) | 1969-02-21 | 1970-02-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE241269A SE317791B (xx) | 1969-02-21 | 1969-02-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE317791B true SE317791B (xx) | 1969-11-24 |
Family
ID=20259909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE241269A SE317791B (xx) | 1969-02-21 | 1969-02-21 |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5026822B1 (xx) |
CA (1) | CA946820A (xx) |
DE (1) | DE1961283A1 (xx) |
FR (1) | FR2030441A1 (xx) |
GB (1) | GB1297777A (xx) |
SE (1) | SE317791B (xx) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE31206E (en) * | 1972-01-12 | 1983-04-12 | Method of lowering and raising loads by means of a jack assembly and lifting element | |
SE354635B (xx) * | 1972-01-12 | 1973-03-19 | N Ahlgren | |
AT388418B (de) * | 1984-04-24 | 1989-06-26 | Upravlewnie Montazhu Demontazh | Hydraulischer kraftmechanismus |
CN1332873C (zh) * | 2005-07-08 | 2007-08-22 | 花周建 | 防坠落穿心式液压上升和下降千斤顶 |
WO2009132024A1 (en) | 2008-04-22 | 2009-10-29 | Lift Systems, Inc. | Integrated wedge lock arrangement |
CN103332637B (zh) * | 2013-03-06 | 2015-07-08 | 中国电力科学研究院 | 一种钢绞线预紧装置 |
CN103466501B (zh) * | 2013-09-10 | 2015-10-28 | 中国核工业华兴建设有限公司 | 一种预应力张拉千斤顶 |
CN110550569B (zh) * | 2019-09-03 | 2020-12-18 | 郑州大学 | 一种推拉式辅助支撑装置 |
-
1969
- 1969-02-21 SE SE241269A patent/SE317791B/xx unknown
- 1969-12-06 DE DE19691961283 patent/DE1961283A1/de active Pending
- 1969-12-08 GB GB1297777D patent/GB1297777A/en not_active Expired
-
1970
- 1970-01-30 FR FR7003326A patent/FR2030441A1/fr not_active Withdrawn
- 1970-02-11 CA CA074,516A patent/CA946820A/en not_active Expired
- 1970-02-21 JP JP1515870A patent/JPS5026822B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1297777A (xx) | 1972-11-29 |
CA946820A (en) | 1974-05-07 |
DE1961283A1 (de) | 1970-09-10 |
FR2030441A1 (xx) | 1970-11-13 |
JPS5026822B1 (xx) | 1975-09-03 |