BE519927A - - Google Patents
Info
- Publication number
- BE519927A BE519927A BE519927DA BE519927A BE 519927 A BE519927 A BE 519927A BE 519927D A BE519927D A BE 519927DA BE 519927 A BE519927 A BE 519927A
- Authority
- BE
- Belgium
- Prior art keywords
- handle
- pawl
- rack
- jack
- spring
- Prior art date
Links
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 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
- B66F1/00—Devices, e.g. jacks, for lifting loads in predetermined steps
- B66F1/02—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts
- B66F1/04—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed
- B66F1/06—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed and the devices being actuated mechanically
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Control Devices (AREA)
- Portable Nailing Machines And Staplers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1228352A GB721616A (en) | 1952-05-15 | 1952-05-15 | Mechanical jacks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE519927A true BE519927A (enExample) | 1955-05-27 |
Family
ID=10001710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE519927D BE519927A (enExample) | 1952-05-15 | 1953-05-13 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE519927A (enExample) |
| FR (1) | FR1076859A (enExample) |
| GB (1) | GB721616A (enExample) |
-
1952
- 1952-05-15 GB GB1228352A patent/GB721616A/en not_active Expired
-
1953
- 1953-05-12 FR FR1076859D patent/FR1076859A/fr not_active Expired
- 1953-05-13 BE BE519927D patent/BE519927A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB721616A (en) | 1955-01-12 |
| FR1076859A (fr) | 1954-11-02 |
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