EP1591617B1 - Dispositif de fixation pour un ressort de volets ou de portes - Google Patents

Dispositif de fixation pour un ressort de volets ou de portes Download PDF

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Publication number
EP1591617B1
EP1591617B1 EP04425290A EP04425290A EP1591617B1 EP 1591617 B1 EP1591617 B1 EP 1591617B1 EP 04425290 A EP04425290 A EP 04425290A EP 04425290 A EP04425290 A EP 04425290A EP 1591617 B1 EP1591617 B1 EP 1591617B1
Authority
EP
European Patent Office
Prior art keywords
spring
holder device
disks
hole
supporting
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
EP04425290A
Other languages
German (de)
English (en)
Other versions
EP1591617A1 (fr
Inventor
Mario Gnaccarini
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE602004006836T priority Critical patent/DE602004006836D1/de
Priority to EP04425290A priority patent/EP1591617B1/fr
Priority to AT04425290T priority patent/ATE364124T1/de
Publication of EP1591617A1 publication Critical patent/EP1591617A1/fr
Application granted granted Critical
Publication of EP1591617B1 publication Critical patent/EP1591617B1/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
    • E06B9/60—Spring drums operated only by closure members

Definitions

  • the present invention refers to a spring-holder device for roller shutters and gates.
  • roller shutters and gates can be enlived with winding systems composed of a fixed or rotating winding shaft; the winding system with fixed winding shaft is equipped with two or more, substantially cylindrical spring-holder boxes that are coaxial to the winding shaft and rotating thereon; function of these spring-holder boxes, on which a gate side is secured, is supporting and allowing to roll-up the gate around the winding shaft and containing the compensating spring of the spiral type, this latter one operating for counterbalancing, at least partially, the gate weight, returning, during the opening phase, the energy stored as torque during the closing phase, making thereby easier for an operator to move the gate.
  • the known spring-holder boxes are generally composed of a containing case comprising two supporting disks, mutually spaced by a set of metallic tabs constrained thereto, each one equipped in its central position with a hole adapted to allow the shaft to pass; next to such hole, moreover, cages are secured for containing rolling rollers, similar to roller bearings but with a rather lower mechanical accuracy, adapted to decrease the rolling friction between shaft and spring-holder box when actuating the roller gate.
  • All above-mentioned spring-holder box components are further universally manufactured with metallic material, typically a sheet, through a series of mechanical workings aimed to shear, drill and press it in order to finally come, after assembling, to the manufacture of the finished spring-holder box.
  • Object of the present invention is solving the above prior art problems by providing a spring-holder device for roller shutters and gates made of self-lubricating material that does not require the mechanical workings and the sliding rollers of the known spring-holder boxes.
  • Another object of the present invention is providing a spring-holder device for roller shutters and gates composed of elements that can be composed and assembled upon installation, making their packaging, transport and storage extremely more convenient, efficient and easy.
  • an object of the present invention is providing a spring-holder device for rolling shutters and gates that can be installed, removed or replaced without necessarily having to remove the winding shaft from its housings.
  • a further object of the present invention is providing a spring-holder device for rolling shutters and gates that can, without specific modifications or variations when manufacturing it, be easily customised to its laying on shafts with different diameters.
  • the spring-holder device 1 for rolling shutters and gates is composed of at least two gate-supporting disks 10a, 10b, that are substantially equal one another, each one equipped at its center with a through-hole 12 adapted to allow the passage of a winding shaft (not shown) and quick-connection securing means 14 of a plurality of spacers 16 adapted to equally connect and to suitably space the two disks 10a, 10b one from the other, in order to create between them an adequate space to house a compensating spring; this particular arrangement allows the spring-holder devide 1 according to the present invention to be able to be decomposed, and to be easily assembled when installing it.
  • Each disk 10a, 10b is further preferably equipped with at least three spokes 18 that are suitable mutually spaced and separated by hollow spaces, each one of the spokes 18 being adapted to connect the external perimeter edge of its own disk with the external circumferential wall of the hole 12, in order to stiffen the structure of the spring-holder device 1 and to discharge the forces induced by weight and actuation of the roller gate connected therewith; in the embodiment of the present invention shown in the Figures, it is possible to note that the spokes 18 are preferably five. Moreover, the above securing means 14 are preferably arranged in a portion of each spoke 18 next to the external circumference of its own disk 10a, 10b.
  • each spacer 16 is preferably equipped, on each of its two opposite ends, with restraining means adapted to engage the respective securing means 14 of the disks 10a, 10b.
  • each restraining means is composed of a supporting portion 16d, substantially orthogonal to the main development plane of the spacer 16, equipped with a supporting tooth 16b and with a securing tooth 16c, each one aimed to engage a respective slit 14b, 14c with which each securing means 14 of the disks 10a, 10b is equipped.
  • each supporting portion 16d of these latter ones with an external perimeter with a trapezoidal shape, adapted to be inserted into a housing 19 whose edge has a similar shape that is complementary thereto and that surrounds each securing means 14.
  • a longitudinal rib 16e that preferably joins together the two opposite supporting portions 16d.
  • one of the spacers 16 is adapted to allow securing one end of a compensating spring, whose other end is traditionally secured to the winding shaft.
  • the spring-holder device 1 is preferably made of a self-lubricating material, above all on the surface of the hole 12 in contact with the winding shaft, that, reducing the friction, allows avoiding the use of traditional sliding rollers, and of a lightweight material, still more preferably a plastic material that has the above characteristics and guarantees the due sturdiness and fatigue resistance.
  • a self-lubricating material above all on the surface of the hole 12 in contact with the winding shaft, that, reducing the friction, allows avoiding the use of traditional sliding rollers, and of a lightweight material, still more preferably a plastic material that has the above characteristics and guarantees the due sturdiness and fatigue resistance.
  • Delrin 100® manufactured by company DuPont of Nemours (France)
  • the adapter 70 is a bush characterised by an external circumference that is substantially equal to the one of the hole 12 and by an internal circumference that is substantially equal to the one of the winding shaft and is adapted to be concentrically inserted on the winding shaft and in the hole 12 and to be secured to this latter one through hooking means, preferably composed of at least one tab 72 that is inserted into at least one respective slit (not shown) obtained inside the hole 12 itself, thereby allowing to install the device 1 on a winding shaft whose diameter is less than the diameter of the hole 12, without necessarily having to manufacture the device 1 suitably for each winding shaft diameter.
  • each disk 10a, 10b is composed of two half-disks respectively 101a, 102a and 101b, 102b being kept mutually joined through securing means 80 such as at least one screw, one bolt or one pin: in such arrangement, it is obvious that it is possible to apply or remove the device 1 from a winding shaft without the need of having to free at least one end of the shaft.
  • the spring-holder device 1 is characterised by disks 10a, 10b having their respective diameters preferably included between 100 mm and 300 mm, still more preferably between 130 mm and 280 mm.
  • the device 1 has all the following properties:

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Springs (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Claims (14)

  1. Dispositif porte mécanisme à déclic (1) pour persiennes et stores roulants comprenant au moins deux disques de support (10a, 10b) d'une persienne ou d'un store, essentiellement identiques entre eux, chacun desdits disques (10a, 10b) étant pourvu dans sa portion centrale d'un trou passant (12) capable de permettre le passage d'un axe d'enroulement fixe du volet ou du store, et comprenant une pluralité d'entretoises (16) capables de connecter de façon spéculaire et d'entretoiser convenablement entre eux lesdits deux disques (10a, 10b), ces disques (10a, 10b) étant capables de tourner autour dudit axe d'enroulement, caractérisé en ce que ledit dispositif (1) est fabriqué en matériau léger et autolubrifiant, est capable d'être divisé en parties (10a, 10b, 16) pouvant être réciproquement composées, lesdites parties (10a, 10b, 16) étant les disques de support (10a, 10b) et lesdites entretoises (16) susmentionnés, lesdits disques de support (10a, 10b) étant pourvus de moyens d'attache à enclenchement rapide (14) pour ladite pluralité d'entretoises (16).
  2. Dispositif porte mécanisme à déclic (1) selon la revendication 1, caractérisé en ce que chacun desdits disques (10a, 10b) est pourvu d'une pluralité de rayons (18), chacun desquels étant capable de raccorder un bord du périmètre extérieur d'un propre disque (10a, 10b) avec une paroi circonférentielle extérieure dudit trou passant (12).
  3. Dispositif porte mécanisme à déclic (1) selon la revendication 2, caractérisé en ce que lesdits rayons (18) sont au nombre de trois et son équidistants entre eux, perpendiculaires à la circonférence des disques (10a, 10b)
  4. Dispositif porte mécanisme à déclic (1) selon la revendication 2, caractérisé en ce que lesdits moyens d'attache (14) sont disposés dans une portion de chaque rayon (18) proche à la circonférence extérieure de chaque disque (10a, 10b).
  5. Dispositif porte mécanisme à déclic (1) selon la revendication 1, caractérisé en ce que chacune desdites entretoises (16) possède, sur chacune de ses extrémités opposées, des moyens d'emboîtement capables de s'engager avec lesdits moyens d'attache (14) des disques susdits (10a, 10b).
  6. Dispositif porte mécanisme à déclic (1) selon la revendication 5, caractérisé en ce que lesdits moyens d'emboîtement sont composés d'une portion de support (16d), pratiquement perpendiculaire à un plan de développement principal de ladite entretoise (16), cette portion étant pourvue d'une dent de support (16b) et d'une dent de fixation (16c) spécialement conçues pour venir engager respectivement une paire de fentes (14b, 14c) pratiquées sur chacun desdits moyens d'attache (14) des disques susdits (10a, 10b).
  7. Dispositif porte mécanisme à déclic (1) selon la revendication 6, caractérisé en ce qu'entre chaque paire desdites fentes (14b, 14c) se trouve un relief (17) grossièrement en forme de "T", apte à augmenter la solidité de l'accouplement entre chacune desdites fentes (14c) et lesdites dents de fixation (16c).
  8. Dispositif porte mécanisme à déclic (1) selon la revendication 6, caractérisé en ce que ladite portion de support (16d) possède un périmètre extérieur ayant une forme essentiellement trapézoïdale, capable de s'insérer à l'intérieur d'un logement (19) avec un bord en forme essentiellement trapézoïdale entourant chaque moyen d'attache (14) et complémentaire au périmètre de ladite portion de support (16d).
  9. Dispositif porte mécanisme à déclic (1) selon la revendication 1, caractérisé en ce que ladite entretoise (16) possède une nervure longitudinale (16e) capable d'unir deux desdites portions de support (16d) opposées.
  10. Dispositif porte mécanisme à déclic (1) selon la revendication 1, caractérisé en ce que ledit matériau léger et autolubrifiant est une matière plastique.
  11. Dispositif porte mécanisme à déclic (1) selon la revendication 1, caractérisé en ce qu'il comprend un adaptateur (70) avec une circonférence extérieure pratiquement égale à celle dudit trou passant (12) et une circonférence intérieure pratiquement égale à celle de l'axe d'enroulement et capable de s'insérer en mode concentrique sur ledit axe d'enroulement et dans ledit trou passant (12) et de fixer ledit trou (12) par des moyens d'attache.
  12. Dispositif porte mécanisme à déclic (1) selon la revendication 11, caractérisé en ce que lesdits moyens d'attache comprennent au moins une languette (72) placée sur une paroi circonférentielle extérieure dudit adaptateur (70) et au moins une respective fente d'emboîtement à l'intérieur du trou (12), ladite languette (72) et ladite fente d'emboîtement étant capables de s'engager mutuellement.
  13. Dispositif porte mécanisme à déclic (1) selon la revendication 1, caractérisé en ce que chacun desdits disques (10a, 10b) est constitué de deux semi-disques (101a, 102a; 101b, 102b).
  14. Dispositif porte mécanisme à déclic (1) selon la revendication 1, caractérisé en ce que lesdits disques (10a, 10b) ont un diamètre compris de préférence entre 100 mm et 300 mm, et mieux encore entre 130 mm et 280 mm.
EP04425290A 2004-04-28 2004-04-28 Dispositif de fixation pour un ressort de volets ou de portes Expired - Lifetime EP1591617B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE602004006836T DE602004006836D1 (de) 2004-04-28 2004-04-28 Vorrichtung zur Befestigung einer Feder für Rolläden und Tore
EP04425290A EP1591617B1 (fr) 2004-04-28 2004-04-28 Dispositif de fixation pour un ressort de volets ou de portes
AT04425290T ATE364124T1 (de) 2004-04-28 2004-04-28 Vorrichtung zur befestigung einer feder für rolläden und tore

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04425290A EP1591617B1 (fr) 2004-04-28 2004-04-28 Dispositif de fixation pour un ressort de volets ou de portes

Publications (2)

Publication Number Publication Date
EP1591617A1 EP1591617A1 (fr) 2005-11-02
EP1591617B1 true EP1591617B1 (fr) 2007-06-06

Family

ID=34932458

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04425290A Expired - Lifetime EP1591617B1 (fr) 2004-04-28 2004-04-28 Dispositif de fixation pour un ressort de volets ou de portes

Country Status (3)

Country Link
EP (1) EP1591617B1 (fr)
AT (1) ATE364124T1 (fr)
DE (1) DE602004006836D1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1945900B1 (fr) * 2005-10-11 2010-01-20 Pastore S.p.A. Dispositif de support de ressort pour barrieres et volets roulants

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2627801B1 (fr) * 1988-02-29 1992-02-07 Zurfluh Feller Sa Ets Perfectionnements apportes aux rideaux metalliques et aux grilles enroulables a equilibrage par ressorts plats
US6164428A (en) * 1999-08-23 2000-12-26 Joel Berman Associates, Inc. Wrap spring shade operator
AUPQ473399A0 (en) * 1999-12-16 2000-01-20 Neumann Steel Pty Limited A spool
FR2826688B1 (fr) * 2001-06-28 2004-01-23 Bmj Dispositif anti-chute pour fermeture a enroulement

Also Published As

Publication number Publication date
ATE364124T1 (de) 2007-06-15
DE602004006836D1 (de) 2007-07-19
EP1591617A1 (fr) 2005-11-02

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