EP1312748B1 - Arbre de volet roulant en alliage léger coulé sous pression pour mécanisme de réduction de vitesse tubulaire - Google Patents

Arbre de volet roulant en alliage léger coulé sous pression pour mécanisme de réduction de vitesse tubulaire Download PDF

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Publication number
EP1312748B1
EP1312748B1 EP02425663A EP02425663A EP1312748B1 EP 1312748 B1 EP1312748 B1 EP 1312748B1 EP 02425663 A EP02425663 A EP 02425663A EP 02425663 A EP02425663 A EP 02425663A EP 1312748 B1 EP1312748 B1 EP 1312748B1
Authority
EP
European Patent Office
Prior art keywords
flange
shaft
housing
light alloy
steel
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
EP02425663A
Other languages
German (de)
English (en)
Other versions
EP1312748A3 (fr
EP1312748A2 (fr
Inventor
Dante Postacchini
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.)
Gaposa SRL
Original Assignee
Gaposa 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 Gaposa SRL filed Critical Gaposa SRL
Publication of EP1312748A2 publication Critical patent/EP1312748A2/fr
Publication of EP1312748A3 publication Critical patent/EP1312748A3/fr
Application granted granted Critical
Publication of EP1312748B1 publication Critical patent/EP1312748B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68Operating devices or mechanisms, e.g. with electric drive
    • E06B9/72Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68Operating devices or mechanisms, e.g. with electric drive
    • E06B9/72Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller
    • E06B2009/725Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller with epicyclic or planetary gear train

Definitions

  • the present patent application relates to a die-cast shaft made of light alloy, such as aluminium or zinc alloy, designed for use on tubular reduction gears for roller shutters and blinds.
  • roller shutters are externally fixed on a tubular shaft that is dragged into rotation by means of a multistage epicyclic reduction gear, whose shaft is coupled to one end of the shaft, usually with the interposition of ad adapter housed and engaged inside the tubular shaft.
  • the shaft normally ends with a circular flange with three, regularly spaced peripheral holes, in which the three support pins of the three planetary gears of the epicyclic reduction gear are inserted and fixed.
  • the transversal cross-section of the pin cannot be increased as desired because the diameter of the corresponding housing on the planetary gears-holding flange must be lower than the diameter of the circumference internally tangent to the three holes where the pins are inserted. Moreover, the diameter of the steel flange cannot be increased, since this would involve the new dimensioning of the entire epicyclic reduction gear, with a cost increase not balanced by the cost reduction derived from using die-cast light alloy instead of steel for the shaft.
  • the purpose of the present invention is to find a solution to the constructive difficulties illustrated above by realising a light alloy die-cast shaft capable of being mounted on epicyclic reduction gears of standard dimensions that are commonly used for roller shutters and blinds.
  • the coupling pin externally has a series of three regularly spaced teeth or radial lobes designed to be housed inside corresponding notches located on the edge of the housing.
  • the presence of the three teeth or radial lobes on the coupling pin represents the overdimensioning of the pin both as regards the size of its transversal cross-section and the extension of its lateral walls, with consequent reduction of the torsional stresses and surface pressures affecting the pin because of the torque transmitted to the shaft by the reduction gear.
  • the shaft (1) of the invention is designed to be coupled with a steel flange (2) that holds the planetary gears, of standard type and dimensions, which features a series of three regularly spaced holes (3) for the introduction of three steel pins (4) that support the planetary gears (5) that form part of a standard epicyclic reduction gear.
  • the shaft (1) has a coupling pin (6) that externally features a series of three regularly spaced teeth or radial lobes (6a) housed inside corresponding notches (7a) along the edge of the housing (7) located in the centre of the flange (2).
  • the notches (7) are regularly spaced with respect to the three holes (3) on the flange (2).
  • the coupling pin (6) is made of light alloy and die-cast from one single piece with the shaft (1).
  • the shaft (1) has a flange (8) with a housing (9) capable of housing the coupling pin (10) that projects from the steel flange (2) that holds the planetary gears in opposite position to the planetary gears (5).
  • the flange (8) is made with light alloy and die-cast from a single piece with the shaft (1), while the pin (10) is made of steel, like the flange (2) and the pins (4) that support the planetary gears (5).
  • the steel pin (10) externally features a series of three regularly spaced teeth or radial lobes (10a) housed inside corresponding notches (9a) along the edge of the housing (9) located in the centre of the flange (8).

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • General Details Of Gearings (AREA)
  • Retarders (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Continuous Casting (AREA)

Claims (3)

  1. Arbre de force, destiné à être utilisé sur des motoréducteurs tubulaires, épicycloïdaux, de dimensions standards, pour le déplacement de stores roulants ou de rideaux à soleil à enroulement, du type présentant un pivot de couplage (6, 10) à enfiler dans un logement conforme et correspondant (7, 9) préposé à transmettre le couple de rotation de la bride (2) porte-satellites à l'arbre de force (1), arbre de force caractérisé en ce qu'il est réalisé en alliage léger moulé sous pression et en ce que le dit pivot de couplage (6, 10) présente à l'extérieur trois dents, ou lobes radiaux, (6a, 10a) régulièrement intercalées et qui sont logées dans des entames conformes et correspondantes (7a, 9a) réalisées le long du bord du respectif siège de logement (7, 9), les dites dents, ou lobes radiaux, (6a ou 10a) s'étendant outre la circonférence imaginaire qui résulte tangente internement aux trois trous (3) conventionnellement présents dans la dite bride (2) pour le logement des pivots en acier (4) de support pour les engrenages-satellites (5) du réducteur épicycloïdal dont la dite bride (2) fait partie intégrante.
  2. Arbre de force selon la revendication précédente, caractérisé en ce qu'il est réalisé en alliage léger moulé sous pression avec le dit pivot (6), qui présente à l'extérieur trois dents, ou lobes radiaux, (6a) régulièrement intercalées et qui sont logées dans des entailles conformes et correspondantes (7a) réalisées le long du bord du respectif siège de logement (7) prévu au centre de la dite bride (2).
  3. Arbre de force selon la revendication 1, caractérisé en ce qu'il incorpore une bride (8) - en alliage léger moulé sous pression en une seule pièce avec l'arbre de force - qui présente un logement (9) apte à loger le dit pivot de couplage (10), réalisé en acier et dépassant de la dite bride porte-satellites (2) du côté opposé de celui de disposition des engrenages-satellites (5), le dit pivot en acier (10) présentant à l'extérieur trois dents, ou lobes radiaux, (10a) régulièrement intercalées et qui sont logées dans des entailles conformes et correspondantes (9a) réalisées le long du bord du respectif siège de logement (9) prévu au centre de la dite bride (8).
EP02425663A 2001-11-20 2002-10-30 Arbre de volet roulant en alliage léger coulé sous pression pour mécanisme de réduction de vitesse tubulaire Expired - Lifetime EP1312748B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMC20010113 2001-11-20
IT2001MC000113A ITMC20010113A1 (it) 2001-11-20 2001-11-20 Albero di forza pressofuso in lega leggera per motoriduttori tubolariper la movimentazione di tapparelle e tende da sole avvolgibili.

Publications (3)

Publication Number Publication Date
EP1312748A2 EP1312748A2 (fr) 2003-05-21
EP1312748A3 EP1312748A3 (fr) 2003-06-18
EP1312748B1 true EP1312748B1 (fr) 2005-03-16

Family

ID=11443476

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02425663A Expired - Lifetime EP1312748B1 (fr) 2001-11-20 2002-10-30 Arbre de volet roulant en alliage léger coulé sous pression pour mécanisme de réduction de vitesse tubulaire

Country Status (4)

Country Link
EP (1) EP1312748B1 (fr)
AT (1) ATE291147T1 (fr)
DE (1) DE60203239T2 (fr)
IT (1) ITMC20010113A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMC20050133A1 (it) * 2005-12-13 2007-06-14 Gaposa Srl Riduttore epicicloidale a piu' stadi modulari per motoriduttori tubolari di azionamento di avvolgibili, tende a rullo e simili.
EP2196601A1 (fr) * 2008-12-12 2010-06-16 Unicum Transmission de Puissance Dispositif de fixation de moteur immergé en bassin de piscine pour entraînement de volets roulants
US10337243B2 (en) 2017-04-10 2019-07-02 Mechoshade Systems, Llc Geared bracket for a window shade

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3207909C2 (de) * 1982-03-05 1992-04-16 Standard Elektrik Lorenz Ag, 7000 Stuttgart Vorrichtung zum Koppeln eines Antriebsmotors mit einer Antriebswelle eines Gerätes
DE3536160A1 (de) * 1985-10-10 1987-04-23 Starcke Zuendwarenfab Seitenzugrollo
WO1998009045A1 (fr) * 1996-08-28 1998-03-05 De Groot, Willem Commande electrique de stores
DE19953200A1 (de) * 1999-11-05 2001-05-10 Valeo Auto Electric Gmbh Rohrmotor
DE29921077U1 (de) * 1999-12-01 2001-04-12 Roma Rolladensysteme Gmbh Vorrichtung zum Verschluss von Gebäudeöffnungen

Also Published As

Publication number Publication date
DE60203239T2 (de) 2006-02-09
EP1312748A3 (fr) 2003-06-18
ATE291147T1 (de) 2005-04-15
DE60203239D1 (de) 2005-04-21
ITMC20010113A1 (it) 2003-05-20
EP1312748A2 (fr) 2003-05-21

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