KR900003871Y1 - 천정 사다리 장치 - Google Patents

천정 사다리 장치 Download PDF

Info

Publication number
KR900003871Y1
KR900003871Y1 KR2019850012420U KR850012420U KR900003871Y1 KR 900003871 Y1 KR900003871 Y1 KR 900003871Y1 KR 2019850012420 U KR2019850012420 U KR 2019850012420U KR 850012420 U KR850012420 U KR 850012420U KR 900003871 Y1 KR900003871 Y1 KR 900003871Y1
Authority
KR
South Korea
Prior art keywords
lid
ceiling
ladder
cover
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.)
Expired
Application number
KR2019850012420U
Other languages
English (en)
Korean (ko)
Other versions
KR870000847U (ko
Inventor
요시오 쯔무라
Original Assignee
마쯔시다 덴꼬 가부시끼 가이샤
후지이 사다오
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 마쯔시다 덴꼬 가부시끼 가이샤, 후지이 사다오 filed Critical 마쯔시다 덴꼬 가부시끼 가이샤
Publication of KR870000847U publication Critical patent/KR870000847U/ko
Application granted granted Critical
Publication of KR900003871Y1 publication Critical patent/KR900003871Y1/ko
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
    • E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
    • E06C9/08—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/06—Securing devices or hooks for parts of extensible ladders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
  • Steps, Ramps, And Handrails (AREA)
KR2019850012420U 1985-06-17 1985-09-25 천정 사다리 장치 Expired KR900003871Y1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60131417A JPS61290159A (ja) 1985-06-17 1985-06-17 天井梯子装置
JP????85-131417 1985-06-17

Publications (2)

Publication Number Publication Date
KR870000847U KR870000847U (ko) 1987-02-20
KR900003871Y1 true KR900003871Y1 (ko) 1990-05-03

Family

ID=15057474

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019850012420U Expired KR900003871Y1 (ko) 1985-06-17 1985-09-25 천정 사다리 장치

Country Status (2)

Country Link
JP (1) JPS61290159A (cs)
KR (1) KR900003871Y1 (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0678538U (ja) * 1993-04-13 1994-11-04 日本ケーブル株式会社 エレベータ型駐車装置の荷重検出安全装置
CN111765581B (zh) * 2020-06-24 2021-07-16 深圳市金源达建设集团有限公司 一种建筑节能通风系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58137800U (ja) * 1982-03-13 1983-09-16 文化シヤツタ−株式会社 階段用懸下リンクのストツパ装置
JPS6037527U (ja) * 1983-08-23 1985-03-15 岩崎金属工業株式会社 天井用はしご装置

Also Published As

Publication number Publication date
JPH0542541B2 (cs) 1993-06-28
JPS61290159A (ja) 1986-12-20
KR870000847U (ko) 1987-02-20

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Legal Events

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A201 Request for examination
UA0108 Application for utility model registration

Comment text: Application for Utility Model Registration

Patent event code: UA01011R08D

Patent event date: 19850925

UA0201 Request for examination

Patent event date: 19850925

Patent event code: UA02012R01D

Comment text: Request for Examination of Application

UG1501 Laying open of application
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Patent event code: UE09021S01D

Patent event date: 19900117

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Patent event code: UG16041S01I

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Patent event date: 19900403

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Patent event date: 19900724

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Patent event code: UE07011S01D

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