FR446973A - Lifting gear - Google Patents
Lifting gearInfo
- Publication number
- FR446973A FR446973A FR446973DA FR446973A FR 446973 A FR446973 A FR 446973A FR 446973D A FR446973D A FR 446973DA FR 446973 A FR446973 A FR 446973A
- Authority
- FR
- France
- Prior art keywords
- lifting gear
- lifting
- gear
- 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
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR446973T | 1912-08-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR446973A true FR446973A (en) | 1912-12-19 |
Family
ID=1487706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR446973D Expired FR446973A (en) | 1912-08-07 | 1912-08-07 | Lifting gear |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR446973A (en) |
-
1912
- 1912-08-07 FR FR446973D patent/FR446973A/en not_active Expired
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