FR33174E - Locking system for elevator landing doors - Google Patents
Locking system for elevator landing doorsInfo
- Publication number
- FR33174E FR33174E FR33174DA FR33174E FR 33174 E FR33174 E FR 33174E FR 33174D A FR33174D A FR 33174DA FR 33174 E FR33174 E FR 33174E
- Authority
- FR
- France
- Prior art keywords
- locking system
- elevator landing
- landing doors
- doors
- elevator
- 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
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/04—Door or gate operation of swinging doors
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR33174T | 1927-03-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR33174E true FR33174E (en) | 1928-08-18 |
Family
ID=8670835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR33174D Expired FR33174E (en) | 1927-03-17 | 1927-03-17 | Locking system for elevator landing doors |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR33174E (en) |
-
1927
- 1927-03-17 FR FR33174D patent/FR33174E/en not_active Expired
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