JPS57169182A - Door opening and closing apparatus - Google Patents

Door opening and closing apparatus

Info

Publication number
JPS57169182A
JPS57169182A JP56051832A JP5183281A JPS57169182A JP S57169182 A JPS57169182 A JP S57169182A JP 56051832 A JP56051832 A JP 56051832A JP 5183281 A JP5183281 A JP 5183281A JP S57169182 A JPS57169182 A JP S57169182A
Authority
JP
Japan
Prior art keywords
door opening
closing apparatus
closing
door
opening
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.)
Pending
Application number
JP56051832A
Other languages
Japanese (ja)
Inventor
Kouji Yamauchi
Shigeru Matsuoka
Hiroyuki Tadokoro
Mitsuo Suzuki
Seiji Yonekura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56051832A priority Critical patent/JPS57169182A/en
Publication of JPS57169182A publication Critical patent/JPS57169182A/en
Pending legal-status Critical Current

Links

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)
JP56051832A 1981-04-08 1981-04-08 Door opening and closing apparatus Pending JPS57169182A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56051832A JPS57169182A (en) 1981-04-08 1981-04-08 Door opening and closing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56051832A JPS57169182A (en) 1981-04-08 1981-04-08 Door opening and closing apparatus

Publications (1)

Publication Number Publication Date
JPS57169182A true JPS57169182A (en) 1982-10-18

Family

ID=12897832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56051832A Pending JPS57169182A (en) 1981-04-08 1981-04-08 Door opening and closing apparatus

Country Status (1)

Country Link
JP (1) JPS57169182A (en)

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