EP1398453A1 - Vorrichtung zum Abschirmen eines Raumes - Google Patents

Vorrichtung zum Abschirmen eines Raumes Download PDF

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Publication number
EP1398453A1
EP1398453A1 EP03077459A EP03077459A EP1398453A1 EP 1398453 A1 EP1398453 A1 EP 1398453A1 EP 03077459 A EP03077459 A EP 03077459A EP 03077459 A EP03077459 A EP 03077459A EP 1398453 A1 EP1398453 A1 EP 1398453A1
Authority
EP
European Patent Office
Prior art keywords
winding
roller
screen
unwinding
motor
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
EP03077459A
Other languages
English (en)
French (fr)
Other versions
EP1398453B1 (de
Inventor
Geert Vervaeke
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.)
Vervaeke BVBA
Original Assignee
Vervaeke BVBA
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 Vervaeke BVBA filed Critical Vervaeke BVBA
Publication of EP1398453A1 publication Critical patent/EP1398453A1/de
Application granted granted Critical
Publication of EP1398453B1 publication Critical patent/EP1398453B1/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
    • E06B9/66—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor with a roller situated at the bottom
    • 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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds

Definitions

  • the invention relates to a device for screening off a space, comprising an upper and a lower roller system, provided for rolling up and down the screen, in which:
  • U.S. 4,766,941 Up to the present such a device is known from U.S. 4,766,941 in which an electrically driven window screening is described with selectively variable screening characteristics, which may be installed in a window opening for selectively blocking (by absorption or reflection), filtering and/or allowing the light to pass the window screening into a room for purposes such as energy control and/or decoration, etc.
  • This window screening comprises an upper roller system, a lower roller system and a long, flexible screen which is wound around the upper and the lower roller systems, the screen being essentially longer than the distance between the upper and the lower roller system.
  • Each of these roller systems comprises a long tube-shaped roller, supports which may be connected to the extremity of the roller for rotatably fixing the extremity of the rollers with respect to the window.
  • the screen is wound up and down from the rollers, while they are rotating around their respective longitudinal axes.
  • a drive is provided in order to drive the roller in either direction in order thus to wind the screen from one of the rollers onto the other roller.
  • the drive comprises a direct drive motor, comprising an output shaft, being essentially coaxial with respect to the direct drive motor, and the direct drive motor being provided within the roller, the output shaft being coaxial with respect to the roller.
  • the direct drive motor is attached to the frame in order to prevent it from rotating.
  • each direct drive motor is provided with a torsion spring in order to maintain the screen tightened when it is wound up or unwound from one roller onto the other and when the screen is stationary and to compensate any changes in rotating speed when the screen is wound up or unwound.
  • this torsion spring functionally connects the output shaft of each direct drive motor to the respective roller.
  • the torsion spring of one of the rollers is wound in one direction (e.g. clockwise), while the other spring, which is connected to the other direct drive motor is wound in the opposite direction (e.g. anti-clockwise), so that, when starting either of the direct drive motors differences as to rotational speed and starting time of the direct drive motors may be compensated.
  • the purpose of the invention is to provide a device for screening off a space, not having these drawbacks.
  • a device for screening off a space comprising an upper and a lower roller system for winding up and unwinding the screen, in which:
  • the transmission means comprise a chain for transmitting said winding and unwinding motion.
  • Another disadvantage of the known device described above is that both motors are provided within the upper and the lower roller respectively. Because the motors are provided within the rollers, maintenance and repairs on these motors has become more difficult.
  • An additional purpose of the invention consists in providing a device for screening off a space as described above, but where the motor is easily accessible, e.g. for carrying out maintenance and repairs.
  • This purpose is attained by providing a device according to the invention, in which the driving means are provided with a motor installed outside the winding element.
  • the motor is placed on the side where said chain has been provided.
  • the motor is designed to produce the motion for winding and unwinding the lower winding element.
  • the screen is made up of one or several segments the gauze of which has different diameters.
  • a different screen may be brought before the space, according to the weather conditions.
  • figure 1 of which is a perspective view of a device for screening off a space according to the invention.
  • a device (1) for screening off a space consists of a screen (2) which is longer than the distance (X) between the upper (3) and the lower roller system (4).
  • the upper (3) and the lower roller system (4) respectively is provided with an upper (5) and a lower winding element (6) respectively, carried out in the form of a take-up roller, these take-up rollers (5,6) are intended for winding and unwinding the screen (2).
  • the upper roller system (3) is attached to a fixed support (not represented in the figure), by means of a connection (7).
  • the lower roller system (4) is not attached, but might also be attached fixedly.
  • Both the upper (5) and the lower winding roller (6) are rotatably installed in one or several holders (8), which are provided with roller brackets (8a) in which the rollers may rotate and which are attached to a fixed support of the space to be screened off.
  • the winding and unwinding motion of the winding rollers (5,6) is produced by means of a motor (not represented in the figure), which is connected to the lower winding roller (6) by means of a shaft stub (12) and a coupling shaft (16) for the shaft stub (12). Consequently, the motor is provided outside the lower winding roller (5). It should be noted that the motor may also be connected to the upper winding roller (5).
  • transmission means (9) are provided in order to transmit the motion for winding and unwinding the lower winding roller (6) to the upper winding roller (5).
  • These transmission means (9) comprise a chain (10) running over two chain wheels (11).
  • These chain wheels (11) are provided on the coupling shaft (16).
  • the upper winding roller (5) will also rotate when the lower winding roller (6) is rotating.
  • the screen (2) will be unwound from the one roller and be taken up by the other roller.
  • the chain (10) will be tightened by means of a chain tightener (14).
  • a guard casing (15) is provided, in order to protect the chain (10) when moving.
  • the motor is provided on the same side as the chain (10), such that the motor will have to exercise less power on the lower winding roller (6) to cause the upper winding roller (5) to be rotated at the same time.
  • the lower winding roller (5) is provided with a tension spring (13).
  • the screen (2) is provided with one or several segments (20a, 20b, 20c) each having a different diameter of the gauze.
  • these segments (20a, 20b, 20c) are represented next to one another, but actually these segments (20a, 20b, 20c) are installed underneath one another over the screen (2).
  • These segments (20a, 20b, 20c) are brought before the space to be screened off, depending on the weather conditions.
  • This device may be applied, for instance, in cowsheds, which does not mean that it may not be used for other applications.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Glass Compositions (AREA)
  • Window Of Vehicle (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Blinds (AREA)
  • Credit Cards Or The Like (AREA)
EP03077459A 2002-09-10 2003-08-06 Vorrichtung zum Abschirmen eines Raumes Expired - Lifetime EP1398453B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20214076U 2002-09-10
DE20214076U DE20214076U1 (de) 2002-09-10 2002-09-10 Vorrichtung zum Abschirmen eines Raumes

Publications (2)

Publication Number Publication Date
EP1398453A1 true EP1398453A1 (de) 2004-03-17
EP1398453B1 EP1398453B1 (de) 2008-06-04

Family

ID=7974995

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03077459A Expired - Lifetime EP1398453B1 (de) 2002-09-10 2003-08-06 Vorrichtung zum Abschirmen eines Raumes

Country Status (4)

Country Link
EP (1) EP1398453B1 (de)
AT (1) ATE397711T1 (de)
DE (2) DE20214076U1 (de)
DK (1) DK1398453T3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20315853U1 (de) 2003-10-12 2004-03-04 Zettl, Markus Wickelverfahren für variable Bedeckung von Flächen mit unterschiedlichen Gewebearten
DE102008017723A1 (de) * 2008-04-07 2009-10-08 Weinor Gmbh & Co. Kg Behang
DE202009005007U1 (de) 2009-07-09 2010-12-16 Zettl, Horst Wickelvorrichtung zum Bedecken von Wandöffnungen oder Fenstern

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1539774A (en) * 1922-01-06 1925-05-26 Sato Ryuji Window shade
US4766941A (en) * 1986-06-09 1988-08-30 Sytron Corporation Window shade with selectively variable shading characteristics
US4815515A (en) * 1987-05-27 1989-03-28 Lee Song L Structure of window shade

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1539774A (en) * 1922-01-06 1925-05-26 Sato Ryuji Window shade
US4766941A (en) * 1986-06-09 1988-08-30 Sytron Corporation Window shade with selectively variable shading characteristics
US4815515A (en) * 1987-05-27 1989-03-28 Lee Song L Structure of window shade

Also Published As

Publication number Publication date
DE60321434D1 (de) 2008-07-17
ATE397711T1 (de) 2008-06-15
DE20214076U1 (de) 2003-05-08
DK1398453T3 (da) 2008-09-08
EP1398453B1 (de) 2008-06-04

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