EP2312113A1 - Cable arrangement for actuating a horizontally sliding mosquito screen - Google Patents

Cable arrangement for actuating a horizontally sliding mosquito screen Download PDF

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Publication number
EP2312113A1
EP2312113A1 EP10011704A EP10011704A EP2312113A1 EP 2312113 A1 EP2312113 A1 EP 2312113A1 EP 10011704 A EP10011704 A EP 10011704A EP 10011704 A EP10011704 A EP 10011704A EP 2312113 A1 EP2312113 A1 EP 2312113A1
Authority
EP
European Patent Office
Prior art keywords
net
handle bar
mosquito
pulley
reel
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.)
Withdrawn
Application number
EP10011704A
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German (de)
English (en)
French (fr)
Inventor
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.)
Bettio Group Sas Di Bettio Denis & C
Original Assignee
Bettio Group Sas Di Bettio Denis & C
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 Bettio Group Sas Di Bettio Denis & C filed Critical Bettio Group Sas Di Bettio Denis & C
Publication of EP2312113A1 publication Critical patent/EP2312113A1/en
Withdrawn legal-status Critical Current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
    • E06B9/52—Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
    • E06B9/54—Roller 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
    • E06B2009/543—Horizontally moving screens

Definitions

  • the present invention relates to a tensioned cables guiding system to move a horizontally sliding protection net with handle bar in a mosquito-net with dragging device of the net driving chain.
  • the invention finds particular although not exclusive application in the field of the components and accessories for windows and door frames, as the mosquito-nets, for example the mosquito-nets for horizontally sliding doors and windows, intended to prevent the entry of insects inside the conventionally inhabited places, both houses and offices.
  • the cased frame generally of the type formed by a section or extruded bar made of aluminium, inside of which the winding reel of the net of the mosquito-net is coaxially inserted which holds a first end of said net.
  • the winding reel can also comprise a corresponding preloaded return spring.
  • mosquito-nets which instead of sliding in a vertical direction, slide in a horizontal direction, causing the handle bar to perform a translation movement which is intended to pull the net along a horizontal axis.
  • said mosquito-nets look very similar to the just described solutions and they are frequent in the roller curtains as well as, finally, in the sunshade screens.
  • one of these is relative to less valuable mosquito-nets without the internal preloaded spring. The latter are different from the first ones, because they require manual operations to unwind the net from the roller as well as to wind it back.
  • a closed circuit chain is usually used, which at one side engages with a wheel or pulley which is keyed to the corresponding winding reel which is housed inside a cased frame, determining in controlled way, the winding or vice-versa, of the net of the mosquito-net.
  • EP 999335 (Metaco) describes a screen apparatus comprising:
  • a shielding device having a screen extending between a fixed stanchion and a movable stanchion.
  • a flexible guiding structure is located which consists of a plurality of rigid units which are pivotally connected the one after the other by means of pins.
  • the guiding structure which is engaged in a sliding way along a fixed section, has one end which is fixed to the movable stanchion and an end part which is guided in a sliding way along a shaped prolongation of the section.
  • the guiding structure therefore maintains a rectilinear development in the part extracted from the fixed stanchion, and it bends at an input opening in the stanchion to be received in and withdrawn from the same according to the opening and closing movement of the screen.
  • a mosquito-net having a net with a net driving chain, as a guiding device of a horizontally sliding net.
  • one of the aims of the invention is to supply a winding-up screen device so that, when the screen is wound around the winding axis, a screen guide guides the edge portion of the screen which is unwound from the winding-axis to obtain the opening.
  • the device of the winding-up screen contains a fixed frame leaning against an opening frame of a building; a movable frame provided so as to be parallel with respect to the fixed frame and movable frame; a groove of the screen which is wound with respect to a winding axis, the screen developing between the fixed frame and the movable frame to be opened and closed winding and unwinding the screen with respect to the winding axis by the forward and reverse motion of the movable frame; and a screen guide formed so as to be long and bendable, going in and coming out of the inner portion of the fixed frame or the movable frame, the exiting from the end portion of the fixed frame or from the movable frame linearly occurring on the outside.
  • the screen guide contains a plurality of guide parts in which a groove is provided in the axial direction on the inner surface disposed on the screen side and is formed by connecting neighboring guide parts at both sides sandwiching the groove so as to be bendable.
  • D2 a mosquito-net which includes:
  • a mosquito-net in which the protection net, which is wound around a winding shaft or reel inside the vertically placed cased frame, it is pulled along a horizontal axis by means of a handle bar which slides by means of a manual movement, moving away and approaching with respect to said vertical cased frame, said handle bar laying down along its path a driving chain which holds the lower edge of the protection net, the top edge of said protection net being slidable inside a fixed guide, wherein said driving chain is driven by the guiding device which includes at least one rope and connecting means with relative transmissions, which are located within the handle bar and in the fixed upper guide.
  • the aim of the present invention is also to remedy the above-mentioned drawbacks.
  • a first and important value, with respect to the conventional mosquito-nets, consists in the fact that the net which is not provided with a lower guide and provided with said tensioned cables guiding system, is provided with a particularly soft movement requiring only a little force to the user who can move the handle bar in an approaching and in a moving away motion, with an unusual fluency and silent way due to a lower friction.
  • the presence of the winding sprocket or reel which allows a constant tension of the cables, cords or ropes of the dragging device, is easily installable because it does not need particular adjustment works and it does not require any particular maintenance.
  • Figure 4 is a tensioned cables guiding system of the handle bar and of the protection net in a horizontally sliding mosquito-net, with a fourth embodiment of the dragging device of the net driving chain which is provided with a cables tensioning sprocket or reel.
  • the mosquito-net (1a, 1b, 1 c, 1d) substantially consists of a vertical and lateral cased frame (10), inside of which a vertical winding roller (100) is housed, a corresponding protection net or screen (110) which, through a slit longitudinally obtained with respect to said cased frame (10), unwinds spreading out and vice-versa along a horizontal axis.
  • Said protection net or screen (110) has a first end joined to said winding roller (100) and around which it is wound to be unwound exiting sideways from said cased frame (10) through said longitudinal slit.
  • the winding roller (100) can also be provided with a preload helicoidal spring, which is constrained with one of the ends to said winding roller (100), in such a way that, on the one hand unwinding the net or screen (110), also the winding roller (100) rotates involving the torsional loading of the helicoidal spring, not illustrated, and the consequent tensioning of the protection net (110).
  • a fixed horizontal upper guide (20) with two ends (200, 201) is orthogonally joined to the vertical cased frame (10), respectively a right and a left end, along which and in correspondence of the bottom side of which the vertical handle bar (30) is longitudinally movable, in an approaching and in a moving away motion, the handle bar being perpendicularly constrained with the upper end (31) with respect to said fixed guide (20), in such a way that it slides in a longitudinally driven way with respect to said fixed guide (20).
  • the tensioned cables guiding system provides that at the lower end (12) of the cased frame (10), a first end (400) of the net driving chain (40) is engaged, which consists of a series of reciprocally hinged rigid modules (41), wherein the length of the net driving chain (40) is at least equal to the width of the span to be closed by means of the installation of the mosquito-net (1 a, 1b, 1c, 1 d).
  • the second end (401) of the net driving chain (40) vertically slides in a controlled way inside the handle bar (30) which is substantially hollow, entering in correspondence of the base (32) in order to be then vertically driven.
  • the second end of the protection net or screen (110) is engaged to the handle bar (30), the first end of the protection net or screen, as previously explained, is engaged to the winding roller (100) of the cased frame (10).
  • moving the handle bar (30) in one direction or in the other one the contextual winding-unwinding is obtained to lay out the protection net (110) and the sliding inside the handle bar (30) of the net driving chain (40) by means of a dragging device which includes cables, chains, chain-cables (50a, 51 a, 52a, 50b, 51 b, 52b, 50c, 51c, 50d, 51 d, 52d), pulleys (60, 61, 62, 63, 64, 65 and 66), sprocket or reel (90a, 90b, 90c and 90d).
  • the dragging movement of the net driving chain (40) is controlled by a dragging device which includes cables (50a, 51 a, 52a), pulleys (60, 61, 62, 63), sprocket or reel (90a).
  • the first cable (50a) which is present also in the embodiments (1b, 1 c, 1 d), is partially placed along the fixed guide (20) and partially develops along the handle bar (30).
  • the end (500a) of the cable (50a) is fixed to the end (201) of the fixed guide (20) and, by means of a pulley (60) hinged at the upper end (31) of the handle bar (30), it is transmitted along said handle bar (30) to be constrained by the head (501 a) to the head module of the second end (401) of the net driving chain (40).
  • Concerning the second cable (51 a) it is also partially placed along the fixed guide (20) and partially along the handle bar (30), it is engaged with the end (51 0a) at the end (200) of the fixed guide (20), at the opposite side with respect to the end (201) and downwardly transmitted along the handle bar (30), by means of the pulley (61) hinged at the upper end (31) of the handle bar (30).
  • the cable (51 a) coming from the pulley (61), is therefore upwardly transmitted by means of the pulley (62) which is hinged at the base (32) of the handle bar (30), therefore constrained with the head (511a) to the head module of the second end (401) of the net driving chain (40) as for the cable (50a).
  • a third cable (52a) is placed inside the fixed guide (20), and it is constrained with the end (520a) at the upper end (31) of the handle bar (30) protracting until at the end (201) of the fixed guide (20) to be then transmitted along said fixed guide (20) by means of the pulley (63) and therefore to arrive to the sprocket or reel (90a) with respect to which it is wound by means of the pulley (91).
  • the reel (90a) which is joined to the winding roller (100) in the overhanging part, comprises at least a pulley (91) and a spring (92), in such a way that said pulley (91) is induced to rotate in one of the two directions due to the effect of the elastic return force, winding or unwinding the cable (52a) and therefore maintaining it in a constantly tensioned condition.
  • the reel (90a) is mounted in the mosquito-net (1 a) in a preloaded condition of the spring (92) thus maintaining constant the tension of the third cable (52a) both in the case in which the handle bar (30) is in abutment with respect to the cased frame (20), corresponding to the maximum opening of the span, and in case in which the same is in a translated condition corresponding to the maximum opening of the protection net (110) therefore in abutment at the rabbet jamb, not illustrated, which is opposite with respect to the cased frame (20).
  • a second solution for the dragging device of the net driving chain (40) is shown of the type illustrated as a variation of the solution of the mosquito-net (1a) of Figure 1 .
  • the dragging movement of the net driving chain (40) is identically controlled by a dragging device which includes three cables (50b, 51 b, 52b), pulleys (60, 61, 62, 63), sprocket or reel (90b).
  • the difference consists in the fact that instead of the third cable (52a), a chain (52b) is used, consisting of links or spherical balls or equivalent elements, the one connected to the other by means of an intermediate connecting portion like a hinge which allows the adaptation of one independently with respect to the other ones, located at least for part of the length of said chain (52b).
  • a chain (52b) is enough only for that part of its length which is involved in the action of the sprocket or reel (90b), the remaining portion being possibly involved by a conventional cable as well as the cable (52a).
  • said chain (52b) requires a pulley (93) instead of the pulley (91) which is of the type with a "U” shaped groove, constrained to the spring (92), wherein said pulley (93) is peripherally counter-shaped depending on the links or spherical balls at least partially forming said chain (52b).
  • Said chain (52b) has its ends engaged at the upper end (31) of the handle bar (30).
  • Figure 3 is a change of the dragging device with respect to the solution of Figure 2 , in a tensioned cables guiding system for a mosquito-net (1c).
  • the dragging movement of the net driving chain (40) is controlled by a dragging device which includes two cables, respectively (50c, 51c), pulleys (60, 61, 62, 64), sprocket or reel (90c).
  • the first cable (50c) is configured and identically developed as the solution of Figure 1 and 2 , and it cooperates with the use of a chain (51c) or a mixed cable-chain element, whose conformation with spherical balls is obtained at least for that part of its length which is involved in the action of the sprocket or reel (90c) in such a way that the remaining portion can be possibly involved by a conventional cable. Consequently, the use of said chain (51 c), similarly to what described relatively to Figure 2 , requires a pulley (93) constrained to the spring (92), wherein said pulley (93) is peripherally counter-shaped depending on the links or spherical balls at least partially forming said chain (51 c).
  • the second cable (51 c) has a first head (510c) engaged at the upper end (31) of the handle bar (30) and then, it develops along the fixed guide (20), it turns around the reel (90c) and then it is downwardly transmitted along the handle bar (30).
  • a pulley (64) is provided, which is sideways hinged to the head module of the second end (401) of the net driving chain (40), and around which the end portion (51 1 c) of said cable (51c) rotates coming from the pulley (62), going to be constrained at the base portion (32) of the handle bar (30).
  • Figure 4 is still another variation of the dragging device with respect to the solution of Figure 1 , in a tensioned cables guiding system for a mosquito-net (1d).
  • the dragging movement of the net driving chain (40) is controlled by a dragging device which includes three cables, respectively (50d, 51d, 52d), pulleys (60, 61, 62, 64, 65, 66), sprocket or reel (90d).
  • the first cable (50d) is identically configured as the previous solutions of Figures 1-3 .
  • the second cable (51 d) it has a path along the fixed guide (20) and partially along the handle bar (30).
  • the cable (51d) is engaged with the end (510d) near the end (200) of the fixed guide (20), at the opposite side with respect to the end (201) and it is transmitted by means of the pulley (61) which is downwardly hinged at the upper end (31) of the handle bar (30), along the handle bar (30).
  • the cable (51d) coming from the pulley (61) is therefore upwardly transmitted by means of the pulley (62) which is hinged at the base (32) of the handle bar (30), and then it is constrained with the head (511d) to the module (402) which precedes the head module of the net driving chain (40).
  • the third cable (52d) presents a path along the fixed guide (20) and partially along the handle bar (30).
  • the end (520d) of the cable (52d) is engaged at the base (32) of the handle bar (30) while the end (521 d) is engaged to the pulley (91) of the winding sprocket or reel (90d).
  • the path of the cable (52d) starting from the end (520d) develops along the handle bar (30), it turns around the pulley (64) which is fixed on the head module of the second end (401) of the net driving chain (40). From this position, the cable (52d) goes downwardly and it turns around the pulley (65) which is fixed to the handle bar (30), and then it turns upwardly and it protracts along and up to in correspondence of the end (31) of the handle bar (30).
  • the cable (52d) turns around the pulley (66) which is hinged to the handle bar (30) toward the end (200) and along the fixed guide 20, to be then engaged with the end (521 d) to said winding sprocket or reel (90d).
  • the cable (50a, 50b, 50c, 50d) has a predetermined length according to the opening span of said mosquito-net (1a, 1b, 1c, 1d).

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Insects & Arthropods (AREA)
  • Pest Control & Pesticides (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Catching Or Destruction (AREA)
EP10011704A 2009-10-09 2010-09-29 Cable arrangement for actuating a horizontally sliding mosquito screen Withdrawn EP2312113A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTV2009A000199A IT1399028B1 (it) 2009-10-09 2009-10-09 Sistema di guida a cavi tesi per muovere la rete di protezione unita alla barra maniglia del tipo a scorrimento orizzontale, in una zanzariera del tipo con dispositivo di trascinamento della catena guida rete.

Publications (1)

Publication Number Publication Date
EP2312113A1 true EP2312113A1 (en) 2011-04-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10011704A Withdrawn EP2312113A1 (en) 2009-10-09 2010-09-29 Cable arrangement for actuating a horizontally sliding mosquito screen

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EP (1) EP2312113A1 (it)
IT (1) IT1399028B1 (it)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20110442A1 (it) * 2011-07-26 2013-01-27 Mv Line Spa Gruppo di movimentazione per zanzariere, tende ed elementi laminari in genere
EP2570582A2 (en) 2011-09-13 2013-03-20 Orozco Herrero, S.L. Link chain for retractable screens
WO2013103296A1 (en) 2011-12-27 2013-07-11 Unilux Ip B.V. Link chain for retractable screens
EP3037619A1 (en) * 2014-12-23 2016-06-29 APZ Sistemi S.r.l Shielding for doors or windows frame equipped with side-scrolling lateral box suitable to be free of lower guide
ITUA20163337A1 (it) * 2016-05-11 2017-11-11 Mv Line S P A Dispositivo di guida e di tensionamento a scomparsa per schermature a scorrimento
IT201900002879A1 (it) * 2019-02-28 2020-08-28 Luca Buggio Dispositivo di tensionamento per zanzariere e tende avvolgibili
IT201900010410A1 (it) * 2019-06-28 2020-12-28 Apz Sistemi Srl Schermatura per infissi con cassonetto a scorrimento laterale priva di guida inferiore a terra

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5351648A (en) 1976-10-21 1978-05-11 Sato Shigeo Temperature control element
JPH06158961A (ja) 1992-11-26 1994-06-07 Sanwa Shutter Corp 網戸装置
EP0753642A2 (en) 1995-07-14 1997-01-15 Metaco Inc. Screen apparatus
EP0999335A1 (en) 1998-11-06 2000-05-10 Metaco Inc. Screen device
WO2004104357A1 (ja) 2003-05-21 2004-12-02 Seiki Hanbai Co., Ltd. 巻取り式スクリーン装置
EP2085562A2 (en) * 2008-02-01 2009-08-05 Bettio Service Spa Mosquito-net with rollaway net-guiding chain for net with horizontal sliding
EP2085563A1 (en) * 2008-02-01 2009-08-05 Bettio Service Spa Mosquito-net with net-guiding chain driving device for net with horizontal sliding

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5351648A (en) 1976-10-21 1978-05-11 Sato Shigeo Temperature control element
JPH06158961A (ja) 1992-11-26 1994-06-07 Sanwa Shutter Corp 網戸装置
EP0753642A2 (en) 1995-07-14 1997-01-15 Metaco Inc. Screen apparatus
EP0999335A1 (en) 1998-11-06 2000-05-10 Metaco Inc. Screen device
WO2004104357A1 (ja) 2003-05-21 2004-12-02 Seiki Hanbai Co., Ltd. 巻取り式スクリーン装置
EP1640554A1 (en) * 2003-05-21 2006-03-29 Seiki Hanbai Co., Ltd. Winding-up screen device
EP2085562A2 (en) * 2008-02-01 2009-08-05 Bettio Service Spa Mosquito-net with rollaway net-guiding chain for net with horizontal sliding
EP2085563A1 (en) * 2008-02-01 2009-08-05 Bettio Service Spa Mosquito-net with net-guiding chain driving device for net with horizontal sliding

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20110442A1 (it) * 2011-07-26 2013-01-27 Mv Line Spa Gruppo di movimentazione per zanzariere, tende ed elementi laminari in genere
EP2570582A2 (en) 2011-09-13 2013-03-20 Orozco Herrero, S.L. Link chain for retractable screens
WO2013103296A1 (en) 2011-12-27 2013-07-11 Unilux Ip B.V. Link chain for retractable screens
EP3037619A1 (en) * 2014-12-23 2016-06-29 APZ Sistemi S.r.l Shielding for doors or windows frame equipped with side-scrolling lateral box suitable to be free of lower guide
ITUA20163337A1 (it) * 2016-05-11 2017-11-11 Mv Line S P A Dispositivo di guida e di tensionamento a scomparsa per schermature a scorrimento
WO2017195061A1 (en) 2016-05-11 2017-11-16 Mv Line S.P.A. System comprising a sliding shield and a guiding and tensioning retractable device for the sliding shield
US11053733B2 (en) 2016-05-11 2021-07-06 Mv Line S.P.A. System comprising a sliding shield and a guiding and tensioning retractable device for the sliding shield
IT201900002879A1 (it) * 2019-02-28 2020-08-28 Luca Buggio Dispositivo di tensionamento per zanzariere e tende avvolgibili
IT201900010410A1 (it) * 2019-06-28 2020-12-28 Apz Sistemi Srl Schermatura per infissi con cassonetto a scorrimento laterale priva di guida inferiore a terra

Also Published As

Publication number Publication date
IT1399028B1 (it) 2013-04-05
ITTV20090199A1 (it) 2011-04-10

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