FR1255558A - Ball joint cylinder with magnetic base - Google Patents
Ball joint cylinder with magnetic baseInfo
- Publication number
- FR1255558A FR1255558A FR4219A FR38004219A FR1255558A FR 1255558 A FR1255558 A FR 1255558A FR 4219 A FR4219 A FR 4219A FR 38004219 A FR38004219 A FR 38004219A FR 1255558 A FR1255558 A FR 1255558A
- Authority
- FR
- France
- Prior art keywords
- ball joint
- magnetic base
- joint cylinder
- cylinder
- magnetic
- 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.)
- Expired
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
- B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
-
- 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
- B66F13/00—Common constructional features or accessories
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR4219A FR1255558A (en) | 1960-02-25 | 1960-02-25 | Ball joint cylinder with magnetic base |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR4219A FR1255558A (en) | 1960-02-25 | 1960-02-25 | Ball joint cylinder with magnetic base |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1255558A true FR1255558A (en) | 1961-03-10 |
Family
ID=8569896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR4219A Expired FR1255558A (en) | 1960-02-25 | 1960-02-25 | Ball joint cylinder with magnetic base |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1255558A (en) |
-
1960
- 1960-02-25 FR FR4219A patent/FR1255558A/en not_active Expired
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