JPS5048642A - - Google Patents
Info
- Publication number
- JPS5048642A JPS5048642A JP49092460A JP9246074A JPS5048642A JP S5048642 A JPS5048642 A JP S5048642A JP 49092460 A JP49092460 A JP 49092460A JP 9246074 A JP9246074 A JP 9246074A JP S5048642 A JPS5048642 A JP S5048642A
- Authority
- JP
- Japan
- 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.)
- Granted
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
- B66B13/14—Control systems or devices
- B66B13/143—Control systems or devices electrical
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Door Apparatuses (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00388532A US3822767A (en) | 1973-08-15 | 1973-08-15 | Elevator system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5048642A true JPS5048642A (ja) | 1975-04-30 |
| JPS5437738B2 JPS5437738B2 (ja) | 1979-11-16 |
Family
ID=23534500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9246074A Expired JPS5437738B2 (ja) | 1973-08-15 | 1974-08-14 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3822767A (ja) |
| JP (1) | JPS5437738B2 (ja) |
| CA (1) | CA970293A (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3945468A (en) * | 1974-12-11 | 1976-03-23 | Hitachi, Ltd. | Sound preventive device for use in elevator |
| US5018602A (en) * | 1990-03-21 | 1991-05-28 | Otis Elevator Company | Reduction of noise and vibration in an elevator car by selectively reducing air turbulence |
| CA2591931C (en) * | 2005-01-11 | 2014-04-08 | Inventio Ag | Drive for a lift door with a displacement curve adapted to the air flows in the shaft |
| US11679960B2 (en) | 2018-09-21 | 2023-06-20 | Inventio Ag | Elevator car, elevator installation, method for operating an elevator system and door drive |
| CN109095337A (zh) * | 2018-10-31 | 2018-12-28 | 日立电梯（中国）有限公司 | 电梯监控系统、电梯门及其抗风压方法和抗风压装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2992818A (en) * | 1959-04-24 | 1961-07-18 | Westinghouse Electric Corp | Closure control mechanism |
-
1973
- 1973-08-15 US US00388532A patent/US3822767A/en not_active Expired - Lifetime
-
1974
- 1974-08-05 CA CA206,281A patent/CA970293A/en not_active Expired
- 1974-08-14 JP JP9246074A patent/JPS5437738B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5437738B2 (ja) | 1979-11-16 |
| US3822767A (en) | 1974-07-09 |
| CA970293A (en) | 1975-07-01 |