CA920677A - Elevator door operator with differential torque motor system - Google Patents
Elevator door operator with differential torque motor systemInfo
- Publication number
- CA920677A CA920677A CA115816A CA115816A CA920677A CA 920677 A CA920677 A CA 920677A CA 115816 A CA115816 A CA 115816A CA 115816 A CA115816 A CA 115816A CA 920677 A CA920677 A CA 920677A
- Authority
- CA
- Canada
- Prior art keywords
- elevator door
- motor system
- torque motor
- door operator
- differential torque
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA115816A CA920677A (en) | 1971-06-16 | 1971-06-16 | Elevator door operator with differential torque motor system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA115816A CA920677A (en) | 1971-06-16 | 1971-06-16 | Elevator door operator with differential torque motor system |
Publications (1)
Publication Number | Publication Date |
---|---|
CA920677A true CA920677A (en) | 1973-02-06 |
Family
ID=4090027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA115816A Expired CA920677A (en) | 1971-06-16 | 1971-06-16 | Elevator door operator with differential torque motor system |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA920677A (en) |
-
1971
- 1971-06-16 CA CA115816A patent/CA920677A/en not_active Expired
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