JPS5026822B1 - - Google Patents
Info
- Publication number
- JPS5026822B1 JPS5026822B1 JP1515870A JP1515870A JPS5026822B1 JP S5026822 B1 JPS5026822 B1 JP S5026822B1 JP 1515870 A JP1515870 A JP 1515870A JP 1515870 A JP1515870 A JP 1515870A JP S5026822 B1 JPS5026822 B1 JP S5026822B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE241269A SE317791B (ja) | 1969-02-21 | 1969-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5026822B1 true JPS5026822B1 (ja) | 1975-09-03 |
Family
ID=20259909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1515870A Pending JPS5026822B1 (ja) | 1969-02-21 | 1970-02-21 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5026822B1 (ja) |
| CA (1) | CA946820A (ja) |
| DE (1) | DE1961283A1 (ja) |
| FR (1) | FR2030441A1 (ja) |
| GB (1) | GB1297777A (ja) |
| SE (1) | SE317791B (ja) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE354635B (ja) * | 1972-01-12 | 1973-03-19 | N Ahlgren | |
| USRE31206E (en) * | 1972-01-12 | 1983-04-12 | Method of lowering and raising loads by means of a jack assembly and lifting element | |
| 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 |
| EP2268566B1 (en) * | 2008-04-22 | 2015-08-26 | 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 |
|---|---|
| DE1961283A1 (de) | 1970-09-10 |
| CA946820A (en) | 1974-05-07 |
| GB1297777A (ja) | 1972-11-29 |
| FR2030441A1 (ja) | 1970-11-13 |
| SE317791B (ja) | 1969-11-24 |