FR500846A - Improvements in excavation troughs - Google Patents
Improvements in excavation troughsInfo
- Publication number
- FR500846A FR500846A FR500846A FR500846DA FR500846A FR 500846 A FR500846 A FR 500846A FR 500846 A FR500846 A FR 500846A FR 500846D A FR500846D A FR 500846DA FR 500846 A FR500846 A FR 500846A
- Authority
- FR
- France
- Prior art keywords
- troughs
- excavation
- excavation troughs
- 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
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
- B66C3/06—Grabs actuated by a single rope or chain
- B66C3/08—Grabs actuated by a single rope or chain and having tipping rings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US500846XA | 1914-01-31 | 1914-01-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR500846A true FR500846A (en) | 1920-03-25 |
Family
ID=21857188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR500846A Expired FR500846A (en) | 1914-01-31 | 1919-06-20 | Improvements in excavation troughs |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR500846A (en) |
-
1919
- 1919-06-20 FR FR500846A patent/FR500846A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR465082A (en) | Improvements in explosives | |
FR500846A (en) | Improvements in excavation troughs | |
FR478010A (en) | Improvements in shredders | |
FR478549A (en) | Improvements in projectiles | |
FR454606A (en) | Improvements in the spurs | |
FR472147A (en) | Improvements in projectiles | |
FR529539A (en) | Improvements in scleroscopes | |
FR471749A (en) | Improvements in locks | |
FR476280A (en) | Improvements in locknuts | |
FR476496A (en) | Improvements in plows | |
FR476007A (en) | Improvements in siphons | |
FR478687A (en) | Improvements in pipes | |
FR477584A (en) | Improvements in ties | |
FR462162A (en) | Improvements in hydro-airplanes | |
FR479448A (en) | Improvements in carburetors | |
FR521357A (en) | Improvements in carburetors | |
FR479795A (en) | Improvements in carburetors | |
FR470215A (en) | Improvements in carburetors | |
FR479739A (en) | Improvements in automobiles | |
FR476867A (en) | Improvements in bearings | |
FR476345A (en) | Improvements in dental drills | |
FR479085A (en) | Improvements in gyroscopic mechanisms | |
FR479314A (en) | Improvements in hats | |
FR480032A (en) | Improvements in thrusters | |
FR498547A (en) | Improvements in sighting devices |