EP0651129A1 - Moustiquaire avec dispositif automatique de mise en tension - Google Patents

Moustiquaire avec dispositif automatique de mise en tension Download PDF

Info

Publication number
EP0651129A1
EP0651129A1 EP94203092A EP94203092A EP0651129A1 EP 0651129 A1 EP0651129 A1 EP 0651129A1 EP 94203092 A EP94203092 A EP 94203092A EP 94203092 A EP94203092 A EP 94203092A EP 0651129 A1 EP0651129 A1 EP 0651129A1
Authority
EP
European Patent Office
Prior art keywords
screen
mosquito net
vertical guides
handle bar
section bar
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
EP94203092A
Other languages
German (de)
English (en)
Other versions
EP0651129B1 (fr
Inventor
Alberto Bianchi
Denis Bettio
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.)
ACRIMO ITALIA S.R.L.
BETTIO S.R.L.
Original Assignee
ACRIMO ITALIA Srl
BETTIO Srl
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 ACRIMO ITALIA Srl, BETTIO Srl filed Critical ACRIMO ITALIA Srl
Publication of EP0651129A1 publication Critical patent/EP0651129A1/fr
Application granted granted Critical
Publication of EP0651129B1 publication Critical patent/EP0651129B1/fr
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
    • E06B9/86—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic against unauthorised opening
    • 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
    • E06B9/52—Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
    • E06B9/54—Roller fly screens

Definitions

  • the present invention relates to a mosquito net with an automatic screen tensioning device.
  • the installer is obliged to perform an adjustment of mechanisms associated with the net winding shaft, with complex operations having to be carried out during the assembly step.
  • the purpose of the present invention is hence of providing a mosquito net which is provided with an automatically acting screen tensioning device capable of solving the assembly and construction complexity problems which affect the mosquito nets used heretofore.
  • a mosquito net with automatic net tensioning device comprising: a housing containing a screen winding shaft With which an elastic element is associated in order to cause the rotation thereof to be stopped by friction; two vertical guides provided with brush-like elements, which vertical guides perform the task of allowing opposite longitudinal ends of the screen to slide; a handle bar constrained to a free transversal end of said screen; a bottom transversal section bar to connect both said vertical guides and a drive element to drive the rotation of said shaft, characterized in that said handle bar and said bottom section bar are provided with complementary automatic hooking elements which interact with each other when an external stress is applied to said screen.
  • a mosquito net which is equipped with an automatic screen tensioning device according to the present invention.
  • a screen 13 winds which at its free bottom transversal end bears a handle bar 14 constrained to it.
  • the shaft 12 is constrained to a sleeve 16 having a key protrusion 17 which enters the seat 15.
  • the sleeve 16 is borne by a pin element 19 protruding from, and integral with, a head 18 of the housing.
  • a spring 20 is furthermore arranged which stops, by friction, the revolution of the shaft 12 and can be caused to get disengaged from the pin element on which it is arranged, by means of disengagement cam elements (not displayed) contained and provided inside a ring gear 21.
  • said chain 23 is realized as a single-piece, ring-like element.
  • the heads 18 of the housing 11 enter vertical guides 24 containing two brush elements 25 and 26 with different-height bristles. Said brushes perform the task of keeping longitudinal ends of the screen 13 retained between them.
  • transversal section bar 27 is installed, which connects said vertical guides 24.
  • the section bar 27 has a contoured hollow which is capable of receiving, also by gravity, the handle bar 14 when the screen is fully lowered.
  • transversal hooking tooth 29 is provided which interacts with an also transversal sharp-pointed central portion 30 provided on the handle bar 14.
  • the handle bar 14 and the bottom section bar 27 are thus provided with complementary automatic hooking devices mutually interacting when an external stress is applied to the screen.
  • the handle bar 14 has a rounded bottom end 31 suitable for coming to rest inside a narrow portion 32 provided at the bottom end of the section bar 27.
  • This narrow portion 32 is arranged under the taller bristles 26. Furthermore, the difference in height of the bristles of the brushes 25 and 26 tends to guide the handle bar 14 in order that said handle bar 14 is caused to move towards an inclined wall portion 34 of the section bar smoothly joining the narrow portion 32 of said section bar 27.
  • a stop element 33 is provided which is suitable for getting installed in spring-like fashion on the chain 23, e.g., on two adjacent balls 22.
  • This stop element 33 performs the task of limiting the stroke of the chain 23 as a function of the height of the window space at which the mosquito net is installed.
  • a mosquito net according to the present invention provided with the automatic screen tensioning device operates as follows.
  • the installer After having installed the structure of the mosquito net at, e.g., the window space, the installer acts on the chain 23 causing the screen 13, and, consequently, the handle bar 14 to move downwards, runnging between the brushes 25 and 26.
  • said bottom, rounded end 31 of the handle bar causes said handle bar to pivot according to the direction of arrow 35 of Figure 1 -- with the handle bar 14 coming hence to rest against the side wall of the section bar 27. In that way, the sharp-pointed portion 30 comes to lay under the transversl hooking tooth 29 provided nearby the opening 28.
  • the stop element 33 is applied in order that the chain cannot be furthermore caused to move downwards, and the ring gear 21 cannot continue to revolve -- and unwind the screen.
  • the mosquito net is correctly installed and prearranged to open and close the window space by lifting the screen, and moving it downwards.
  • the screen 13 is retained at its upper side by the spring 20 which stops, by friction, the rotation of the shaft 12. At its bottom end, the screen tends to drag upwards the handle bar 14 resting against the internal wall of the section bar 27. Such a movement causes the sharp-pointed portion 30 of the handle bar and the hooking tooth 29 of the section bar to come into mutual engagement. This engagement prevents the screen from getting further bellied, keeping it under tension.
  • the side brushes 25 and 26 help to keep the screen in its correct position, because the bristles penetrate the screen meshes, locking the screen.
  • a mosquito net with the automatic screen tensioning device provided according to the present invention besides simplifying its assembly, keeps the screen under optimal tension conditions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Insects & Arthropods (AREA)
  • Pest Control & Pesticides (AREA)
  • Catching Or Destruction (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Refuse Collection And Transfer (AREA)
  • Fertilizers (AREA)
EP94203092A 1993-11-02 1994-10-25 Moustiquaire avec dispositif automatique de mise en tension Expired - Lifetime EP0651129B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT93MI002321A IT1266651B1 (it) 1993-11-02 1993-11-02 Zanzariera con dispositivo di tensione automatica della rete
ITMI932321 1993-11-02

Publications (2)

Publication Number Publication Date
EP0651129A1 true EP0651129A1 (fr) 1995-05-03
EP0651129B1 EP0651129B1 (fr) 1997-06-18

Family

ID=11367129

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94203092A Expired - Lifetime EP0651129B1 (fr) 1993-11-02 1994-10-25 Moustiquaire avec dispositif automatique de mise en tension

Country Status (7)

Country Link
EP (1) EP0651129B1 (fr)
AT (1) ATE154667T1 (fr)
DE (1) DE69403880T2 (fr)
DK (1) DK0651129T3 (fr)
ES (1) ES2104265T3 (fr)
GR (1) GR3024781T3 (fr)
IT (1) IT1266651B1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111547794A (zh) * 2020-04-22 2020-08-18 杭州科晟能源技术有限公司 一种低温真空蒸发废水处理系统
CN111990064A (zh) * 2020-08-18 2020-11-27 青海大学 一种针茅种子收集装置及其使用方法
FR3136255A1 (fr) * 2022-06-01 2023-12-08 Bettio Flyscreens S.R.L. Moustiquaire avec des dispositifs de retenue contrôlée du filet de protection

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2194875A1 (fr) * 1972-08-04 1974-03-01 Beauty Blinds Ltd
DE3405799A1 (de) * 1984-02-17 1985-08-22 Karl-Heinz 3070 Nienburg Johannes Insektenschutz-rollgitter
US4662423A (en) * 1982-10-31 1987-05-05 Kabushiki Kaisha Nichibei Device for operating roll-screen
DE9100549U1 (fr) * 1990-01-19 1991-04-11 Plastica Walther Gruen Kg, Graz, At
DE4104749A1 (de) * 1991-02-15 1992-08-20 Perfecta Rolladen Gmbh Rolladen
EP0579335A1 (fr) * 1992-07-13 1994-01-19 Hamstra-Weesp B.V. Moustiquaire enroulable

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2194875A1 (fr) * 1972-08-04 1974-03-01 Beauty Blinds Ltd
US4662423A (en) * 1982-10-31 1987-05-05 Kabushiki Kaisha Nichibei Device for operating roll-screen
DE3405799A1 (de) * 1984-02-17 1985-08-22 Karl-Heinz 3070 Nienburg Johannes Insektenschutz-rollgitter
DE9100549U1 (fr) * 1990-01-19 1991-04-11 Plastica Walther Gruen Kg, Graz, At
DE4104749A1 (de) * 1991-02-15 1992-08-20 Perfecta Rolladen Gmbh Rolladen
EP0579335A1 (fr) * 1992-07-13 1994-01-19 Hamstra-Weesp B.V. Moustiquaire enroulable

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111547794A (zh) * 2020-04-22 2020-08-18 杭州科晟能源技术有限公司 一种低温真空蒸发废水处理系统
CN111990064A (zh) * 2020-08-18 2020-11-27 青海大学 一种针茅种子收集装置及其使用方法
FR3136255A1 (fr) * 2022-06-01 2023-12-08 Bettio Flyscreens S.R.L. Moustiquaire avec des dispositifs de retenue contrôlée du filet de protection
NL2034964A (en) * 2022-06-01 2023-12-12 Bettio Flyscreens S R L Insect screen with devices for the controlled retention of the protection net

Also Published As

Publication number Publication date
GR3024781T3 (en) 1998-01-30
IT1266651B1 (it) 1997-01-09
DK0651129T3 (da) 1997-12-29
EP0651129B1 (fr) 1997-06-18
DE69403880T2 (de) 1998-01-15
ITMI932321A1 (it) 1995-05-02
DE69403880D1 (de) 1997-07-24
ATE154667T1 (de) 1997-07-15
ES2104265T3 (es) 1997-10-01
ITMI932321A0 (it) 1993-11-02

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