EP0870896B1 - Mosquito net having improved features - Google Patents

Mosquito net having improved features Download PDF

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Publication number
EP0870896B1
EP0870896B1 EP19980106178 EP98106178A EP0870896B1 EP 0870896 B1 EP0870896 B1 EP 0870896B1 EP 19980106178 EP19980106178 EP 19980106178 EP 98106178 A EP98106178 A EP 98106178A EP 0870896 B1 EP0870896 B1 EP 0870896B1
Authority
EP
European Patent Office
Prior art keywords
box
post
mosquito net
auxiliary frame
sheet
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
EP19980106178
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0870896A1 (en
Inventor
Ermes Bertazzoli
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.)
Medaldue Srl
Original Assignee
Medaldue 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 Medaldue Srl filed Critical Medaldue Srl
Publication of EP0870896A1 publication Critical patent/EP0870896A1/en
Application granted granted Critical
Publication of EP0870896B1 publication Critical patent/EP0870896B1/en
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
    • E06B9/58—Guiding devices
    • 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
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
    • E06B9/17007—Shutter boxes; Details or component parts thereof
    • E06B9/1703—Fixing of the box; External plastering of the box
    • 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
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
    • E06B9/17061—Connection of the box to the guides
    • 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
    • E06B9/522—Dimensionally adjustable fly screens
    • 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

  • mosquito net having improved features.
  • mosquito net is meant to designate protective screens which can be rolled up on a roller, such as roll-up blinds, fine-mesh nets, Venetian blinds and the like.
  • Current mosquito nets are usually constituted by a rectangular frame which is arranged in the window opening and in which the upper horizontal stringer forms a box for accommodating the roller on which, and from which, a sheet of fine-mesh net is respectively rolled up and unrolled; said sheet constitutes the screen which prevents the entry of mosquitoes in rooms.
  • the lateral edges of the screen can slide in lateral guides formed in the vertical posts of the frame.
  • FR-A-2 449 193 discloses a mosquito net as defined in the preamble of independent claim 1.
  • the aim of the present invention is therefore to provide a mosquito net which substantially eliminates the shortcomings of conventional mosquito nets.
  • an object of the present invention is to provide a mosquito net which, although having adjustable dimensions, still has a structure which is simple, easy to assemble and inexpensive.
  • the mosquito net is constituted by a rectangular frame composed of two vertical posts 1 and 2 and of an upper horizontal stringer 3 which lies between the tops of the posts 1 and 2.
  • the posts 1 and 2 are meant to be locked vertically in the above-described manner between a lintel 4 and a sill 5 of the window opening, while the upper stringer 3 is locked between the lateral shoulders 6 and 7 which vertically delimit the window opening.
  • the upper stringer 3 is constituted by a sort of rectangular prism-shaped box which is provided, in a downward region, with a slot 8 and which accommodates a roller 9 for rolling up a sheet 10 made of fine-mesh net which is suitable to prevent the passage of mosquitoes.
  • a rectangular auxiliary frame 12 is fixed, by means of screws 11, to the end of the box 3 to the right in Figure 1; said auxiliary frame has an opening 13 in a downward region, at the slot 8 of the box.
  • a coupling element 14 is associated with the auxiliary frame 12 and is composed of a central pivot 15 suitable to fit in the roller 9 and surrounded by a tubular portion 16 whose external cross-section is complementary to the internal cross-section of the auxiliary frame 12, so that it can be inserted therein.
  • the tubular portion 16 is also open in a downward region at the opening 13 of the auxiliary frame.
  • the pivot 15 and the tubular portion 16 protrude from a plate 17 which replicates the perimeter of the auxiliary frame 12 and from which a front tooth 18 protrudes downward; together with the lower edge of the plate 17, said tooth forms a seat 19 which is open downward.
  • a vertical wing 20 protrudes from the rear edge of the plate 17 at right angles thereto and forms, together with the portion 16, an interspace in which the rear side of the auxiliary frame 12 fits.
  • the tooth 18 is meant to act as an abutment for a screw 21 which is screwed into a hole formed at a lower enlarged corner of the auxiliary frame 12.
  • the coupling element 14 can be moved with respect to the auxiliary frame 12 so as to lock the box between the shoulders 6 and 7 of the window opening, directly below the lintel 4.
  • the upper end of the post 2 is arranged in the seat 19.
  • the post 2 is constituted by a tubular profiled element which has a rectangular cross-section and has, on the face lying opposite to the face that is adjacent to the shoulder 7 of the window opening, i.e., is directed towards the sheet 10, a slot 22 along the edges whereof respective sealing elements are provided constituted by combs of mutually opposite bristles 23.
  • the arrangement of the post 2 in the seat 19 is such as to allow the top of said post to engage the opening 13 of the auxiliary frame 12, so that the lateral edge of the sheet 10 can slide in the slot 22 when the sheet is raised and lowered.
  • the lower end of the post 2 is inserted in a seat 24 of a prism-shaped body 25.
  • the seat 24 is open on the same side as the slot 22 and is shaped complementarily to the post.
  • the seat 24 has a rim 26 which protrudes inward, acts as an abutment for the lower end of the post 2 and is as high as said post is thick.
  • a vertical threaded hole 27 is formed in the body 25, to the side of the seat, and a through screw 28 is screwed therein.
  • An element 29 is arranged below the body 25 and acts as an element for resting the post 2 on the sill 5 of the window opening.
  • the element 29 is shaped like a right-angled prism and has a cavity 30 which is open towards the seat 24 and lies on the same side as the slot 22.
  • Two parallel wings 31 rise from the upper edges that delimit the cavity 30 at the upper face of the element 29 and pass through the seat 24; their mutual distance is such that they can engage without play in the lower end of the post 2. Accordingly, as shown more clearly in Figure 3, the wings 31 act as an element for the coupling and guiding of the base of the post.
  • the left post 1 of the mosquito net is fully identical to the right post 2. Moreover, the elements by virtue of which it is coupled to the box 3 and rested on the sill 5 are entirely mirror-symmetrical with respect to those of the right post.
  • the assembly of the described mosquito net in the window opening is as follows.
  • the box 3 is arranged below the lintel 4, so that no appreciable gap remains between the lintel and the box. Then, by acting on the screws 21 of the right and left coupling elements 14, the box is locked between the shoulders 6 and 7.
  • the posts 1 and 2 are arranged adjacent to the shoulders 6 and 7, inserting their upper ends in the seats 19 of the coupling elements 14 and arranging the lower elements 29 so that they rest on the sill 5.
  • the mosquito net is thus installed so that the lateral edges of the sheet 10 are slidingly engaged in the posts 1 and 2 through the slots 18 and allow to lift the sheet until a bar 32, fixed on the lower horizontal edge of the sheet, abuts below the box 3. In the lowered position of the sheet, the bar 32 rests on the sill 5.
  • the invention perfectly achieves the intended aim and object.
  • the possibility to move the coupling elements 14 laterally with respect to the box 3 allows to widen the frame so as to perfectly adapt it to the dimensions of the window opening, compensating for any variations in said dimensions but without producing gaps which might allow mosquitoes to enter the spaces that the mosquito net is meant to protect.
  • the posts 1 and 2 in fact continue to adhere perfectly to the shoulders 6 and 7 in any case.
  • the posts are spaced by a more or less significant extent depending on the variations in the distance between the shoulders 6 and 7 of the window opening. However, said spacing is determined so that the lateral edges of the sheet remain perfectly guided in the slots 18.
  • auxiliary frame 12 and of the corresponding element coupling 14 a simple rectangular cover is used, which can be applied to the box and is provided with a supporting pivot for the roller 9 and with a coupling seat for the top of the post.
  • FIGs 5, 6 and 7 illustrate a second embodiment of the mosquito net, in which the parts that are equivalent to those of the embodiment of Figures 1-4 are designated by the same reference numerals increased by 100.
  • pivots 115 are provided for supporting the rollers 109 which, instead of being rigidly coupled to the plate 117, are rigidly coupled to the auxiliary frame 112.
  • the pivots 115 are hollow and accommodate springs 33 that act against the plates 117.
  • the pressure of the springs 33 allows to keep the plates 117 against the shoulders 6 and 7 during the assembly of the posts 101 and 102 without requiring temporary external support, considerably simplifying installation work.
  • the bodies 125 have a tubular portion 34 which protrudes downward so as to cover the element 129.
  • the portion 34 keeps the prism-shaped body 125 and the element 129 aligned and thus no longer requires the wings 31 used in the embodiment of Figures 1-4.

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)
  • Fencing (AREA)
  • Building Awnings And Sunshades (AREA)
EP19980106178 1997-04-10 1998-04-03 Mosquito net having improved features Expired - Lifetime EP0870896B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO970065U 1997-04-10
IT97BO000065 IT238199Y1 (it) 1997-04-10 1997-04-10 Perfezionamenti ad una zanzariera

Publications (2)

Publication Number Publication Date
EP0870896A1 EP0870896A1 (en) 1998-10-14
EP0870896B1 true EP0870896B1 (en) 2001-10-24

Family

ID=11341942

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980106178 Expired - Lifetime EP0870896B1 (en) 1997-04-10 1998-04-03 Mosquito net having improved features

Country Status (3)

Country Link
EP (1) EP0870896B1 (it)
ES (1) ES2163821T3 (it)
IT (1) IT238199Y1 (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4454101A (en) * 2000-03-15 2001-09-24 Medaldue S.R.L. Quick-fit mosquito net for door and window openings with an improved device to fix the net when unwound
ES2255779B1 (es) * 2003-04-15 2008-02-01 Perfilex España, S.L. Sistema autoajustable de testero para persianas mosquiteras enrollables.
NL1023743C2 (nl) * 2003-06-25 2004-12-28 Jan Pieter Oskam Hor-, verduisterings- of afscheidingsinrichting.
EP1626153A1 (en) * 2004-08-12 2006-02-15 S.L. Perfilex Espana Roller insect screen
ITBO20100398A1 (it) * 2010-06-21 2011-12-22 Benedetto Caruso Zanzariera regolabile del tipo avvolgibile, particolarmente per porte e/o finestre e simili
ITRE20130089A1 (it) * 2013-11-29 2015-05-30 I R S S P A Barra-maniglia estensibile
JP6356028B2 (ja) * 2014-09-22 2018-07-11 Ykk Ap株式会社 建具
GB2589115B (en) 2019-11-20 2021-11-03 Fourds Ltd Screen assembly

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1779262A (en) * 1925-12-02 1930-10-21 Belknap Mclaughlin Adjustable rolling screen
US1796760A (en) * 1929-12-11 1931-03-17 Norquist Ralph August Window screen
US2072726A (en) * 1936-03-18 1937-03-02 Yartyan Minas Latch
US2444288A (en) * 1945-04-24 1948-06-29 Gilson & Neeb Company Window screen
FR2449193A1 (fr) * 1979-02-14 1980-09-12 Mariton Yves Moustiquaire prefabriquee auto-adaptable a toutes ouvertures
US4848432A (en) * 1988-08-08 1989-07-18 Jencraft Corporation Mounting bracket for venetian blinds

Also Published As

Publication number Publication date
ES2163821T3 (es) 2002-02-01
IT238199Y1 (it) 2000-10-16
EP0870896A1 (en) 1998-10-14
ITBO970065U1 (it) 1998-10-10

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