DE193640C - - Google Patents
Info
- Publication number
- DE193640C DE193640C DENDAT193640D DE193640DA DE193640C DE 193640 C DE193640 C DE 193640C DE NDAT193640 D DENDAT193640 D DE NDAT193640D DE 193640D A DE193640D A DE 193640DA DE 193640 C DE193640 C DE 193640C
- Authority
- DE
- Germany
- Prior art keywords
- support shoe
- lifting device
- footplate
- straight line
- guided
- 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.)
- Active
Links
- 210000003128 head Anatomy 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 1
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
- B66F3/12—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated comprising toggle levers
-
- 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
- E21D15/14—Telescopic props
- E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
- E21D15/24—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with axial screw-and-nut, rack-and-worm, or like mechanism
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Load-Engaging Elements For Cranes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE193640C true DE193640C (cg-RX-API-DMAC7.html) |
Family
ID=456855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT193640D Active DE193640C (cg-RX-API-DMAC7.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE193640C (cg-RX-API-DMAC7.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE952356C (de) * | 1953-08-07 | 1956-11-15 | Konrad Darius | Vorrichtung zum senkrechten und waagerechten Bewegen von Lasten, insbesodnere zum Aufgleisen von Schienenfahrzeugen |
-
0
- DE DENDAT193640D patent/DE193640C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE952356C (de) * | 1953-08-07 | 1956-11-15 | Konrad Darius | Vorrichtung zum senkrechten und waagerechten Bewegen von Lasten, insbesodnere zum Aufgleisen von Schienenfahrzeugen |
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