EP0410699B1 - Motorangetriebene Rollblende - Google Patents

Motorangetriebene Rollblende Download PDF

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Publication number
EP0410699B1
EP0410699B1 EP19900308099 EP90308099A EP0410699B1 EP 0410699 B1 EP0410699 B1 EP 0410699B1 EP 19900308099 EP19900308099 EP 19900308099 EP 90308099 A EP90308099 A EP 90308099A EP 0410699 B1 EP0410699 B1 EP 0410699B1
Authority
EP
European Patent Office
Prior art keywords
signal transmitting
transmitting conductor
blind member
limit switch
blind
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 - Lifetime
Application number
EP19900308099
Other languages
English (en)
French (fr)
Other versions
EP0410699A3 (en
EP0410699A2 (de
Inventor
Hidehiro Ogawa
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.)
Nichibei Co Ltd
Original Assignee
Nichibei Co 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 Nichibei Co Ltd filed Critical Nichibei Co Ltd
Publication of EP0410699A2 publication Critical patent/EP0410699A2/de
Publication of EP0410699A3 publication Critical patent/EP0410699A3/en
Application granted granted Critical
Publication of EP0410699B1 publication Critical patent/EP0410699B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • E06B9/88—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for limiting unrolling
    • 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
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B2009/6809—Control
    • E06B2009/6818—Control using sensors
    • E06B2009/6836—Control using sensors sensing obstacle
    • 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
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B2009/6809—Control
    • E06B2009/6818—Control using sensors
    • E06B2009/6845—Control using sensors sensing position
    • 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
    • E06B9/88—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for limiting unrolling
    • E06B2009/885—Braking mechanism activated by the bottom bar

Definitions

  • the present invention relates to a motor-driven roll screen including a winding roll and a screen sheet or blind connected at its upper end to said winding roll, said winding roll being driven by an electric motor to wind up said screen sheet thereon or to unwind said screen sheet therefrom, to open or close the roll screen.
  • the screen sheet is lowered by rotating the winding roll in sheet unwinding direction. If the rotation of the winding roll is continued in its sheet lowering direction after a weight bar attached to the lower end of the screen sheet (which serves to hold the screen sheet in stretched state) has come into contact with a floor surface, the screen sheet becomes slackened, so that the appearance of the roll screen becomes injured.
  • a weight bar attached to the lower end of the screen sheet which serves to hold the screen sheet in stretched state
  • the screen sheet becomes slackened, so that the appearance of the roll screen becomes injured.
  • Such problem may be solved by adjusting the full length of the screen sheet to be precisely equal to the height of the fixing position of the winding roll from the floor surface.
  • such adjustment of the full length of the screen sheet according to the height of the fixing position of the screen sheet requires a troublesome work.
  • the weight bar comes into contact with some obstacle existing in the lowering path of the screen sheet, the weight bar becomes tilted to the left or the right, depending upon the position of the obstacle, even if the lowering of the screen sheet is stopped. If the lowering of the screen sheet is not stopped after the weight bar has come into contact with the obstacle, the screen sheet becomes inflated while tilting to the left or to the right.
  • the weight bar attached to the lower end of the screen sheet comes into contact with some obstacle as described above, the appearance of the roll screen is largely injured and, moreover, the screen sheet itself or the operating mechanism therefor may be damaged.
  • a motor driven retractable blind comprising a winding roll, a blind member having a weight bar attached to its lower end, an electric motor for raising or lowering said blind member, a limit switch arranged to be actuated when said weight bar contacts an obstacle, at least one signal transmitting conductor secured to the blind member for connecting said limit switch to winding control means to control rotation of said winding roll in response to signals from said limit switch, and characterised in that said signal transmitting conductor comprises a cable secured along an edge of said blind member, and in that said winding roll comprises an inner core shaft driven by said motor and a concentric outer shaft connected to said blind member, said outer shaft being shorter than said inner shaft so that said inner shaft projects beyond said outer shaft by a distance at least equal to the width of said signal transmitting conductor, and further in that said signal transmitting conductor is connected to a contact spring biased into permanent electrical contact with an annular fixed contact relative to which said inner and outer shafts rotate when said blind member is wound either up or down, the arrangement being such
  • Fig. 1 is a front view showing a preferred embodiment of the present invention, which includes a roll screen sheet 1, a motor-driven winding roll 2, a weight bar 3 attached to the lower end of said screen sheet 1, and supporting members 4 for supporting the winding roll 2.
  • a limit switch 5 is attached to the weight bar 3, as shown in Fig. 2, which is arranged to be actuated by the weight bar 3 coming into contact with a floor surface or an obstacle which may exist in the lowering path of the screen sheet 1 when the screen sheet 1 is lowered by rotating the winding roll in its unwinding direction.
  • the limit switch 5 is arranged at each end of the weight bar 3, and an obstacle sensing member 6 connected between the limit switches 5 at the both ends of the weight bar is slidably mounted in the weight bar in vertical direction, so that said obstacle sensing member can sense an obstacle which exists at any position between the both ends of the weight bar.
  • a signal transmitting conductor 7 is attached to said screen sheet along a side edge thereof throughout a full length thereof.
  • the signal transmitting conductor 7 may be attached to the screen sheet by fixing a strip having the signal transmitting conductor 7 onto the side edge of the screen sheet 1, as shown in Fig. 4A, or adhering the signal transmitting conductor 7 in the form of a flat cable directly onto the side edge of the roll screen sheet.
  • the lower end of the signal transmitting conductor is connected with the limit switch 5, as shown in Fig. 2, and the upper end of said conductor is connected through a rotary sliding contact means (as hereinafter described) to a winding roll rotation control device 8 as shown in Fig. 1.
  • the control device 8 is turned ON or OFF by an operating switch 9.
  • connection between the upper end of the signal transmitting conductor and the rotation control device 8 is formed, for example, by fixed contact members 12 disposed in a stationary part consisting of a fixed shaft 10 supported by the supporting member 4 and a contact receiving shaft 11 and movable contact members 13 disposed in the winding roll 2 rotatably supported on said stationary part.
  • the fixed contact members 12 and the movable contact members 13 are held in pressed contact with each other under the action of springs 14 to constitute the rotary sliding contact means to transmit an electric signal.
  • the movable contact members 13 are supported by a contact adapter 15.
  • the roll screen according to the present invention is so constructed that when the weight bar 3 comes into contact with any obstacle, the contact is detected by the limit switch and the signal is transmitted through the rotary sliding contact means to the rotation control device, which controls the rotation of the winding roll.
  • the winding roll 2 consists of an inner core shaft or a core pipe 2a driven by the electric motor and an outer shaft or a screen sheet fixing pipe 2b fixedly fitted on the outside of said core pipe to which said roll screen sheet is fixed.
  • a length of said screen sheet fixing pipe 2b is shorter than that of the core pipe 2a to form, at its end, a space having a width at least equal to a transverse width of said signal transmitting conductor, while a radius of the screen sheet fixing pipe 2b is larger than that of the core pipe 2a to form the space having a radial size at least equal to a total thickness of the signal transmitting conductor which has been completely wound up on the winding roll.
  • the total thickness of the superposed signal transmitting conductor when the roll screen sheet has been completely wound up on the winding roll is housed in the space formed at the end of the screen sheet fixing pipe, so that no convex portion is formed on the surface of the screen sheet which has been completely wound up onto the winding roll.
  • the numeral 16, in Fig. 2, designates a cap
  • the numeral 17, in Fig. 5 designates a motor pipe.
  • the limit switches are mounted on the both ends of the weight bar and the signal transmitting conductors 7 are attached to the roll screen sheet along both side edges thereof.
  • the upper end portions of these signal transmitting conductors are collected at one end of the winding roll and connected through the rotary sliding contact means to the control device.
  • the electric circuit contained in the limit switch is actuated, whereby a signal current passes to stop rotation of the electric motor.
  • the two signal transmitting conductors are connected in parallel, so that if only one of the switches is actuated the lowering of the roll screen sheet is stopped at once.
  • the present invention provides the motor-driven roll screen which is arranged to immediately stop lowering of the roll screen sheet when the weight bar comes into contact with a floor surface or any obstacle 18 existing in the lowering path of the roll screen sheet, as shown in Fig. 3B. Accordingly, the roll screen is prevented from injuring its appearance or producing any damage of the screen sheet or the operating mechanism therefor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Claims (2)

  1. Motorangetriebene aufrollbare Blende, die eine Wickelrolle (2), ein Blendenelement (1) mit einem an seinem unteren Ende befestigten Gewichtsstab (3), einen Elektromotor zum Heben oder Senken des Blendenelements, einen Grenzschalter (5), der so angeordnet ist, daß er betätigt wird, wenn der Gewichtsstab ein Hindernis berührt, und mindestens einen an dem Blendenelement befestigten Signalübertragungsleiter (7) zur Verbindung des Grenzschalters mit einer Wickelsteuereinrichtung (8), um die Drehung der Wickelrolle als Antwort auf Signale von dem Grenzschalter zu steuern, aufweist, dadurch gekennzeichnet, daß der Signalübertragungsleiter ein entlang einer Kante des Blendenelements befestigtes Kabel aufweist, und dadurch, daß die Wickelrolle einen durch den Motor angetriebenen innenliegenden Kernschaft (2a) und einen mit dem Blendenelement verbundenen konzentrischen Außenschaft (2b) aufweist, wobei der Außenschaft kürzer als der Innenschaft ist, so daß der Innenschaft über den Außenschaft um einen Abstand hinaus vorsteht, der mindestens gleich der Breite des Signalübertragungsleiters ist, und ferner dadurch, daß der Signalübertragungsleiter mit einem Kontakt (13) verbunden ist, der, über eine Feder vorgespannt, in permanentem elektrischen Kontakt mit einem ringförmig befestigten Kontakt (12) ist, zu dem sich der Innen- und Außenschaft relativ drehen, wenn das Blendenelement entweder nach oben oder unten gewickelt wird, wobei die Anordnung so ist, daß, wenn das Blendenelement aufgewickelt wird, der Signalübertragungsleiter mehrere Schichten in dem Raum, der durch das hervorstehende Ende des Innenschafts geschaffen wird, bildet.
  2. Aufrollbare Blende nach Anspruch 1, und ferner dadurch gekennzeichnet, daß an jedem Ende des Gewichtsstab ein Grenzschalter ist, wobei jeder Grenzschalter einen an der zugehörigen Kante des Blendenelements befestigten zugehörigen Signalübertragungsleiter aufweist.
EP19900308099 1989-07-27 1990-07-24 Motorangetriebene Rollblende Expired - Lifetime EP0410699B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1194770A JP2545137B2 (ja) 1989-07-27 1989-07-27 電動型ロ―ルスクリ―ン
JP194770/89 1989-07-27

Publications (3)

Publication Number Publication Date
EP0410699A2 EP0410699A2 (de) 1991-01-30
EP0410699A3 EP0410699A3 (en) 1991-05-22
EP0410699B1 true EP0410699B1 (de) 1994-04-13

Family

ID=16329957

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900308099 Expired - Lifetime EP0410699B1 (de) 1989-07-27 1990-07-24 Motorangetriebene Rollblende

Country Status (3)

Country Link
EP (1) EP0410699B1 (de)
JP (1) JP2545137B2 (de)
DE (1) DE69008068T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101059707B (zh) * 2007-04-18 2010-12-15 张家港市红叶视听器材有限公司 电动卷绕限位检测装置

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2665003B2 (ja) * 1989-09-25 1997-10-22 立川ブラインド工業株式会社 電動ロールブラインドの障害物検知停止装置
JPH0373397U (de) * 1989-11-21 1991-07-24
FR2712348B1 (fr) * 1993-11-12 1996-02-02 Somfy Dispositif générateur de signaux caractéristiques du déplacement d'un moyen de fermeture.
DK171579B1 (da) * 1995-01-18 1997-01-27 Rasmussen Kann Ind As Endestopmekanisme til en elektrisk drevet vinduesafskærmningsindretning
KR100385437B1 (ko) * 2000-10-26 2003-05-27 김일열 스크린이 내장된 유리창
CN1737325B (zh) * 2001-02-28 2012-11-21 Vkr控股公司 驱动装置及其手动操作方法和应用该驱动装置的屏蔽装置
KR20010088731A (ko) * 2001-08-27 2001-09-28 정태헌 색상가변 창호장치
FR2877684B1 (fr) * 2004-11-08 2008-08-15 Nergeco Sa Porte rapide a rideau souple
FR2885945B1 (fr) * 2005-05-23 2007-08-17 Nergeco Sa Porte comprenant des moyens de detection d'obstacle munis d'un connecteur forme de deux parties detachables
ES2434105B1 (es) * 2012-05-11 2014-07-24 Amiserru, S.L. Puerta de apertura rápida
JP7016828B2 (ja) 2019-03-22 2022-02-07 日立建機株式会社 建設機械
KR102776235B1 (ko) 2022-05-11 2025-03-10 세메스 주식회사 방화 셔터 제어 시스템 및 방화 셔터 제어 방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2714336A1 (de) * 1977-03-31 1978-10-05 Alten K Rolltor, rolltuer, jalousie o.dgl.
DK157882A (da) * 1982-04-06 1983-10-07 Rasmussen Holding As V Kann Rullegardinarrangement
JPS60154596U (ja) * 1984-03-26 1985-10-15 ト−ソ−株式会社 ロ−ルブラインド巻取筒
DE3425071C1 (de) * 1984-07-07 1986-01-30 OPTO - electronic GmbH, 7931 Unterstadion Auflaufsicherung für ein Rolltor
JPH0326231Y2 (de) * 1985-07-27 1991-06-06
DE8608064U1 (de) * 1986-03-24 1986-05-07 Hüllwegen, Josef, Ing.(grad.), 4791 Altenbeken Sicherheitsschaltleiste für eine Schließkante einer mittels einer Antriebs verschließbaren Öffnung
DE8629278U1 (de) * 1986-11-03 1987-12-03 Fa. Walter Teckentrup, 4837 Verl Sektionaltor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101059707B (zh) * 2007-04-18 2010-12-15 张家港市红叶视听器材有限公司 电动卷绕限位检测装置

Also Published As

Publication number Publication date
JPH0359288A (ja) 1991-03-14
EP0410699A3 (en) 1991-05-22
EP0410699A2 (de) 1991-01-30
DE69008068T2 (de) 1994-08-25
JP2545137B2 (ja) 1996-10-16
DE69008068D1 (de) 1994-05-19

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