JPS5246941A - Device for lifting and lowering blackboard - Google Patents

Device for lifting and lowering blackboard

Info

Publication number
JPS5246941A
JPS5246941A JP12200075A JP12200075A JPS5246941A JP S5246941 A JPS5246941 A JP S5246941A JP 12200075 A JP12200075 A JP 12200075A JP 12200075 A JP12200075 A JP 12200075A JP S5246941 A JPS5246941 A JP S5246941A
Authority
JP
Japan
Prior art keywords
lifting
blackboard
lowering
lowering blackboard
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
Application number
JP12200075A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5423621B2 (enrdf_load_stackoverflow
Inventor
Mitsuo Kamioka
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP12200075A priority Critical patent/JPS5246941A/ja
Publication of JPS5246941A publication Critical patent/JPS5246941A/ja
Publication of JPS5423621B2 publication Critical patent/JPS5423621B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP12200075A 1975-10-09 1975-10-09 Device for lifting and lowering blackboard Granted JPS5246941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12200075A JPS5246941A (en) 1975-10-09 1975-10-09 Device for lifting and lowering blackboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12200075A JPS5246941A (en) 1975-10-09 1975-10-09 Device for lifting and lowering blackboard

Publications (2)

Publication Number Publication Date
JPS5246941A true JPS5246941A (en) 1977-04-14
JPS5423621B2 JPS5423621B2 (enrdf_load_stackoverflow) 1979-08-15

Family

ID=14825069

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12200075A Granted JPS5246941A (en) 1975-10-09 1975-10-09 Device for lifting and lowering blackboard

Country Status (1)

Country Link
JP (1) JPS5246941A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5362453U (enrdf_load_stackoverflow) * 1976-10-28 1978-05-26
JP2020124405A (ja) * 2019-02-06 2020-08-20 株式会社青井黒板製作所 昇降黒板装置
JP7249710B1 (ja) * 2022-12-21 2023-03-31 株式会社青井黒板製作所 昇降黒板装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5877392B2 (ja) * 2011-07-06 2016-03-08 株式会社サカワ ボード昇降機構

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5362453U (enrdf_load_stackoverflow) * 1976-10-28 1978-05-26
JP2020124405A (ja) * 2019-02-06 2020-08-20 株式会社青井黒板製作所 昇降黒板装置
JP7249710B1 (ja) * 2022-12-21 2023-03-31 株式会社青井黒板製作所 昇降黒板装置

Also Published As

Publication number Publication date
JPS5423621B2 (enrdf_load_stackoverflow) 1979-08-15

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