EP1524395A2 - Support de ressort pour portes sectionelles - Google Patents

Support de ressort pour portes sectionelles Download PDF

Info

Publication number
EP1524395A2
EP1524395A2 EP04024493A EP04024493A EP1524395A2 EP 1524395 A2 EP1524395 A2 EP 1524395A2 EP 04024493 A EP04024493 A EP 04024493A EP 04024493 A EP04024493 A EP 04024493A EP 1524395 A2 EP1524395 A2 EP 1524395A2
Authority
EP
European Patent Office
Prior art keywords
saddle
spring
sectional door
fact
support
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Withdrawn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
EP04024493A
Other languages
German (de)
English (en)
Other versions
EP1524395A3 (fr
Inventor
Giuseppe Ballan
Genesio Ballan
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.)
Ballan SpA
Original Assignee
Ballan SpA
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 Ballan SpA filed Critical Ballan SpA
Publication of EP1524395A2 publication Critical patent/EP1524395A2/fr
Publication of EP1524395A3 publication Critical patent/EP1524395A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E05D13/10—Counterbalance devices
    • E05D13/12—Counterbalance devices with springs
    • E05D13/1253—Counterbalance devices with springs with canted-coil torsion springs
    • E05D13/1261—Counterbalance devices with springs with canted-coil torsion springs specially adapted for overhead wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E05D13/10—Counterbalance devices
    • E05D13/12—Counterbalance devices with springs
    • E05D13/1253—Counterbalance devices with springs with canted-coil torsion springs
    • E05D13/1269—Spring safety devices
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/106—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for garages

Definitions

  • the spring is dimensioned to balance the weight of the door and can be very large and heavy.
  • the spring When the door is completely lowered, the spring is preloaded to the maximum with the coils as close as possible to the geometric axis of the spring, therefore, with a minimum amount of diametric volume.
  • the spring preload reduces and the coils gradually move away from the spring axis, and reach their maximum diametric expansion when the door is completely open.
  • the helical spring Due to the weight of the helical spring, with a horizontal position, it follows a curved line which curves downwards with the maximum camber in the intermediate area with respect to the through straight line where it is fixed at the ends.
  • the spring has one end fixed to the structure of the permanent frame and the other end fixed to the rotary rod, when the sectional mantle of the door is raised and lowered, if the door is lifted the spring, with its curved geometric axis, can be forced to rotate with considerable deviation all round, causing it to knock against the surrounding walls.
  • the rod that passes inside the spring is fitted with a radially winged bushing (along the entire length or just stretches), which occupies the space when the spring is at maximum shrinkage (when the door is closed).
  • the saddle is attached by a projecting hook to a special bracket which is fixed by clamps to the box.
  • the extension of the saddle in the axial direction of the spring can be continuous or limited to one or more segments.
  • the rod casing in the box can be reduced to a minimum, without effecting the external volume of the saddle and is not effected by the vibrations of the saddle itself, allowing maximum door height when it is open.
  • the bracket (5) is fixed to the internal facing on the top crosspiece (1) of the fixed doorframe, with the clamps (6) and (7) fixed to the ends.
  • clamps (6) and (7) support the saddle (8) and its surface is used to support the circular spring, related to the external diameter of the spring (3) when it is unloaded, developing the circular cavity by no more than 180° so it is easy to fit below the spring (3) to support its weight.
  • the saddle On the outside, the saddle is fitted with strikers (9) and (10), which correspond to the clamps (6) and (7) of the bracket (5), and is introduced below the spring (3), fitting onto the bracket (5), which has a special arm that offers sufficient elastic compliance.
  • the saddle (8) inside the cavity has a number of rises (15) made in a lengthways direction which reduce the surface that is in contact between the spring (3) and the saddle itself (8).
  • the spring (3) has one end fixed to the rod (2) integral with the pulley (17), which is used for moving the mantle, and the opposite end fixed to an expansion (16) of the box crosspiece (1).
  • the rod casing (14), which completes the box closing, is hooked to the strikers, (11) and (13) of the fixed structure, at a sufficient distance from the bottom edge (4) of the crosspiece (1).
EP04024493A 2003-10-17 2004-10-14 Support de ressort pour portes sectionelles Withdrawn EP1524395A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITPD20030250 2003-10-17
ITPD20030250 ITPD20030250A1 (it) 2003-10-17 2003-10-17 Supporto molla per porta sezionale.

Publications (2)

Publication Number Publication Date
EP1524395A2 true EP1524395A2 (fr) 2005-04-20
EP1524395A3 EP1524395A3 (fr) 2010-04-28

Family

ID=34362435

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04024493A Withdrawn EP1524395A3 (fr) 2003-10-17 2004-10-14 Support de ressort pour portes sectionelles

Country Status (2)

Country Link
EP (1) EP1524395A3 (fr)
IT (1) ITPD20030250A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022090186A1 (fr) * 2020-10-27 2022-05-05 Assa Abloy Entrance Systems Ab Élément de support pour ressort de torsion

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2278093A (en) * 1993-05-11 1994-11-23 Birtley Building Prod Tensioner for torsion spring
US5737802A (en) * 1988-08-25 1998-04-14 Jella; John F. Door track
US5964268A (en) * 1994-06-16 1999-10-12 Clopay Building Products, Inc. Counterbalancing mechanism for an overhead door

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5737802A (en) * 1988-08-25 1998-04-14 Jella; John F. Door track
GB2278093A (en) * 1993-05-11 1994-11-23 Birtley Building Prod Tensioner for torsion spring
US5964268A (en) * 1994-06-16 1999-10-12 Clopay Building Products, Inc. Counterbalancing mechanism for an overhead door

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022090186A1 (fr) * 2020-10-27 2022-05-05 Assa Abloy Entrance Systems Ab Élément de support pour ressort de torsion

Also Published As

Publication number Publication date
ITPD20030250A1 (it) 2005-04-18
EP1524395A3 (fr) 2010-04-28

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