NL7961C - - Google Patents
Info
- Publication number
- NL7961C NL7961C NL13802A NL13802A NL7961C NL 7961 C NL7961 C NL 7961C NL 13802 A NL13802 A NL 13802A NL 13802 A NL13802 A NL 13802A NL 7961 C NL7961 C NL 7961C
- Authority
- NL
- Netherlands
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)
- Orthopedics, Nursing, And Contraception (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US348375A US1376136A (en) | 1919-12-30 | 1919-12-30 | Lifting-jack and hauler |
| GB173/20A GB151875A (en) | 1919-12-30 | 1920-01-02 | An improvement in lifting jacks and haulers |
| NL13802A NL7961C (xx) | 1919-12-30 | 1920-01-14 | |
| FR509499A FR509499A (fr) | 1919-12-30 | 1920-02-06 | Perfectionnements aux crics et aux appareils de halage |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US348375A US1376136A (en) | 1919-12-30 | 1919-12-30 | Lifting-jack and hauler |
| GB173/20A GB151875A (en) | 1919-12-30 | 1920-01-02 | An improvement in lifting jacks and haulers |
| NL13802A NL7961C (xx) | 1919-12-30 | 1920-01-14 | |
| FR509499T | 1920-02-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7961C true NL7961C (xx) | 1923-01-15 |
Family
ID=37685734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL13802A NL7961C (xx) | 1919-12-30 | 1920-01-14 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1376136A (xx) |
| FR (1) | FR509499A (xx) |
| GB (1) | GB151875A (xx) |
| NL (1) | NL7961C (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2477209A1 (fr) * | 1980-03-03 | 1981-09-04 | Mecaneral | Treuil de secours a cliquet pour traction d'objets tres lourds, notamment pour ouverture de portes lourdes |
-
1919
- 1919-12-30 US US348375A patent/US1376136A/en not_active Expired - Lifetime
-
1920
- 1920-01-02 GB GB173/20A patent/GB151875A/en not_active Expired
- 1920-01-14 NL NL13802A patent/NL7961C/xx active
- 1920-02-06 FR FR509499A patent/FR509499A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR509499A (fr) | 1920-11-10 |
| GB151875A (en) | 1920-10-07 |
| US1376136A (en) | 1921-04-26 |