JPS54338A - Safety protector for automatic door - Google Patents
Safety protector for automatic doorInfo
- Publication number
- JPS54338A JPS54338A JP6358077A JP6358077A JPS54338A JP S54338 A JPS54338 A JP S54338A JP 6358077 A JP6358077 A JP 6358077A JP 6358077 A JP6358077 A JP 6358077A JP S54338 A JPS54338 A JP S54338A
- Authority
- JP
- Japan
- Prior art keywords
- automatic door
- safety protector
- door
- protector
- safety
- 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.)
- Granted
Links
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
PURPOSE: To automatically dispatch a door reopen instruction by detecting the noncontacting state of a door by utilizing an ultrasonic wave when an article is interposed between the doors.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52063580A JPS5917029B2 (en) | 1977-05-31 | 1977-05-31 | Automatic door safety protection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52063580A JPS5917029B2 (en) | 1977-05-31 | 1977-05-31 | Automatic door safety protection device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54338A true JPS54338A (en) | 1979-01-05 |
JPS5917029B2 JPS5917029B2 (en) | 1984-04-19 |
Family
ID=13233332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52063580A Expired JPS5917029B2 (en) | 1977-05-31 | 1977-05-31 | Automatic door safety protection device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5917029B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6320805A (en) * | 1986-07-15 | 1988-01-28 | Kijima Musen Kk | Electric coil element |
-
1977
- 1977-05-31 JP JP52063580A patent/JPS5917029B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5917029B2 (en) | 1984-04-19 |
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