FR685531A - Locking device for extraction well cages or buckets - Google Patents
Locking device for extraction well cages or bucketsInfo
- Publication number
- FR685531A FR685531A FR685531DA FR685531A FR 685531 A FR685531 A FR 685531A FR 685531D A FR685531D A FR 685531DA FR 685531 A FR685531 A FR 685531A
- Authority
- FR
- France
- Prior art keywords
- buckets
- cages
- locking device
- extraction well
- extraction
- 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
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR685531T | 1929-11-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR685531A true FR685531A (en) | 1930-07-11 |
Family
ID=9025035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR685531D Expired FR685531A (en) | 1929-11-26 | 1929-11-26 | Locking device for extraction well cages or buckets |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR685531A (en) |
-
1929
- 1929-11-26 FR FR685531D patent/FR685531A/en not_active Expired
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