KR920005995Y1 - 셔터(shutter)의 급격낙하 방지장치 - Google Patents

셔터(shutter)의 급격낙하 방지장치 Download PDF

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Publication number
KR920005995Y1
KR920005995Y1 KR2019890012043U KR890012043U KR920005995Y1 KR 920005995 Y1 KR920005995 Y1 KR 920005995Y1 KR 2019890012043 U KR2019890012043 U KR 2019890012043U KR 890012043 U KR890012043 U KR 890012043U KR 920005995 Y1 KR920005995 Y1 KR 920005995Y1
Authority
KR
South Korea
Prior art keywords
support
shutter
ratchet
ratchet wheel
cam plate
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
KR2019890012043U
Other languages
English (en)
Korean (ko)
Other versions
KR900017213U (ko
Inventor
아끼라 마에바
도미히꼬 하시모또
Original Assignee
신세이 세이끼 가부시끼 가이샤
아끼바 고오이치로오
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 신세이 세이끼 가부시끼 가이샤, 아끼바 고오이치로오 filed Critical 신세이 세이끼 가부시끼 가이샤
Publication of KR900017213U publication Critical patent/KR900017213U/ko
Application granted granted Critical
Publication of KR920005995Y1 publication Critical patent/KR920005995Y1/ko
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
    • E06B9/84—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic against dropping
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B2009/807—Brakes preventing fast screen movement

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
KR2019890012043U 1988-03-20 1989-08-16 셔터(shutter)의 급격낙하 방지장치 Expired KR920005995Y1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP89-31763 1988-03-20
JP1989031763U JPH0725438Y2 (ja) 1989-03-20 1989-03-20 シャッターの急激落下防止装置

Publications (2)

Publication Number Publication Date
KR900017213U KR900017213U (ko) 1990-10-05
KR920005995Y1 true KR920005995Y1 (ko) 1992-08-27

Family

ID=12340074

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890012043U Expired KR920005995Y1 (ko) 1988-03-20 1989-08-16 셔터(shutter)의 급격낙하 방지장치

Country Status (2)

Country Link
JP (1) JPH0725438Y2 (enExample)
KR (1) KR920005995Y1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4616065B2 (ja) * 2005-04-26 2011-01-19 トステム鈴木シャッター株式会社 シャッター
KR100695956B1 (ko) * 2006-03-22 2007-03-16 주식회사 스페샬화인 브레이크 기능을 겸비한 오버헤드 도어용 상승 가이드
CN107640677A (zh) * 2017-10-30 2018-01-30 宁波天弘电力器具有限公司 一种下降预警组件
DE102019120036A1 (de) 2019-07-24 2021-01-28 Columbus Mckinnon Industrial Products Gmbh Hebezeug

Also Published As

Publication number Publication date
JPH02123598U (enExample) 1990-10-11
JPH0725438Y2 (ja) 1995-06-07
KR900017213U (ko) 1990-10-05

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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: 19890816

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Patent event date: 19890816

Patent event code: UA02012R01D

Comment text: Request for Examination of Application

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Patent event code: UG16041S01I

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Patent event date: 19920729

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Patent event date: 19921113

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Patent event code: UE07011S01D

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