EP1832702A1 - Sperrvorrichtung einer Tür - Google Patents

Sperrvorrichtung einer Tür Download PDF

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Publication number
EP1832702A1
EP1832702A1 EP06004967A EP06004967A EP1832702A1 EP 1832702 A1 EP1832702 A1 EP 1832702A1 EP 06004967 A EP06004967 A EP 06004967A EP 06004967 A EP06004967 A EP 06004967A EP 1832702 A1 EP1832702 A1 EP 1832702A1
Authority
EP
European Patent Office
Prior art keywords
door
locking
locking member
biasing member
drive shaft
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Withdrawn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
EP06004967A
Other languages
English (en)
French (fr)
Inventor
Enzo Poggi
Roberto Franceshin
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.)
Metecno Industrie Spa
Original Assignee
Bremet Brevetti Metecno 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 Bremet Brevetti Metecno SpA filed Critical Bremet Brevetti Metecno SpA
Priority to EP06004967A priority Critical patent/EP1832702A1/de
Publication of EP1832702A1 publication Critical patent/EP1832702A1/de
Withdrawn legal-status Critical Current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
    • E05D13/003—Anti-dropping devices
    • 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 ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • 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 present invention relates to a door locking mechanism, in particular for sectional doors, as well as to a door, in particular a sectional door, having a locking mechanism for preventing movement of the door in the closing direction in case of malfunction of the door driving mechanism.
  • doors in particular sectional doors, having a driving mechanism are known from the state of the art.
  • US 3,198,242 relates to an upwardly acting door assembly comprising hinged segments. These hinged segments are driven by a driving mechanism, which consists of a drive shaft mounted on top of the door in the door opening plane and being provided with a winding drum for winding up a cable connected to the outermost panel of the door. When winding up the cable on the door drive shaft, the door is opened as the cable raises the door panels.
  • driving mechanism which consists of a drive shaft mounted on top of the door in the door opening plane and being provided with a winding drum for winding up a cable connected to the outermost panel of the door.
  • the driving mechanism When winding up the cable on the door drive shaft, the door is opened as the cable raises the door panels.
  • driving mechanism In general, such drive mechanisms are supported by means of biased supporting springs, so that the size or capacity of the drive mechanism can be reduced.
  • there is a risk of injury of an operator of the door
  • a door locking mechanism in particular for sectional doors, comprising at least one locking member being displaceable or movable between a first position allowing operation of the door and a second position preventing operation of the door by means of engagement with a door drive shaft, a door drive biasing member for at least supporting opening operation of said door, the locking member is biased by said door drive biasing member in the direction towards the first position, said locking member is arranged only in the first position when biased by said door drive biasing member, and said locking member comprises an aperture adapted to receive said door drive shaft, in particular an engagement portion thereof, extending therethrough, so as to at least partially surround said drive shaft. In the first position, the locking member allows operation of the door.
  • the door when the locking member is arranged or positioned in the first position, the door can be brought from the opened-position to the closed-position, vice-versa and to positions therebetween.
  • the operation of the door is substantially prevented or restricted due to an engagement of the locking member with a door drive shaft.
  • the engagement can be provided directly or indirectly, e.g. by means of provision of intermediate elements.
  • at least the operation of the door in the closing direction, i.e. towards the closed-position of the door is prevented or restricted.
  • a motion or operation of the door towards the opened state thereof could be still allowed or permitted.
  • the drive shaft is in particular provided for driving the door, i.e. for displacing the door between the closed-position and the opened-position. Consequently, by locking the door drive shaft, the door itself is also locked.
  • the door drive biasing member is provided for supporting opening operation of the door. That is, the door driving mechanism is supported by the door drive biasing member, as the door drive biasing member is biased in the opening direction of the door, i.e. supports the opening operation of the door.
  • the door drive biasing member is adapted to compensate or take over a predetermined amount of force required to open the door.
  • the door drive biasing member is supported at the locking member.
  • the first operative end of the door drive biasing member is in operative connection with the locking member
  • the second operative end of the door drive biasing member is in operative engagement with the door drive shaft.
  • the locking member and the door drive biasing member are connected in such a configuration, that the door drive biasing member biases the locking member in the direction towards its first position.
  • the locking member is brought in the second position (e.g. by its dead weight and/or by means of supplemental biasing means), in which the operation of the door is prevented by means of engagement with the door drive shaft.
  • the locking member comprises an aperture adapted to receive the door drive shaft extending therethrough.
  • the aperture can be provided in any suitable cross-sectional shape, in particular circular or polygonal.
  • the aperture has a circular cross-sectional shape, so as to correspond substantially to the door drive shaft extending therethrough.
  • the locking member comprises an aperture or throughhole or recess or opening or cavity, which is in particular oriented in parallel to the extension of the door drive shaft.
  • said locking member having at least one locking protrusion adapted to engage a preferably corresponding locking recess of said door drive shaft.
  • the at least one locking protrusion being provided at an inner circumferential surface of said aperture. That is, the locking protrusion substantially protrudes in the direction towards the door drive shaft, in particular the axis of the door drive shaft.
  • the locking mechanism formed by the locking protrusion and corresponding locking recesses of the door drive shaft is substantially encapsulated by the locking member.
  • the locking protrusion may be formed of any suitable cross-sectional shape, however, is preferably teeth-like.
  • the locking protrusion can be provided directly at the locking member. However, the locking protrusion can be also formed as part of an intermediate element associated to the locking member.
  • the door locking mechanism may comprise a supplemental biasing member, wherein said locking member is biased by said supplemental biasing member in the direction towards said second position.
  • said locking member is arranged in said first position when biased by said door drive biasing member and said supplemental biasing member and in said second position when biased only by said supplemental biasing member. That is, a supplemental biasing member may provided, which is in operative connection to the locking member. The supplemental biasing member therefore biases the locking member in the direction towards the second position. Consequently, by the door drive biasing member and the supplemental biasing member, forces are applied to the locking member, which act in substantially opposing directions.
  • the configuration of the door drive biasing member and the supplemental biasing member as well as their geometric linkage connection to the locking member leads to the locking member being in the first position when being biased by both, the door drive biasing member and the supplemental biasing member.
  • the force applied by the supplemental biasing member remains, so that the locking member is brought in the second position, in which the operation of the door is prevented by means of engagement with the door drive shaft.
  • said locking member comprises two locking protrusions, which are preferably arranged substantially opposing each other.
  • a locking mechanism is provided, wherein the locking member comprises an aperture adapted to receive the door drive shaft extending therethrough, wherein the locking member comprises at least two locking protrusions, preferably an integer multiple number of two, which are preferably arranged substantially opposing each other.
  • said at least two locking protrusions are oriented substantially in opposing directions.
  • said locking member is substantially plate-shaped.
  • the locking member can be in particular shaped substantially rhombus- or diamond-like having the aperture substantially in the middle thereof.
  • the locking member can have any other suitable geometric configuration, such as disk-like (circular) or rectangular.
  • said locking member is preferably pivotably supported on a substantially stationary mounted frame structure of said door or door locking mechanism. That is, the locking member is preferably pivotably supported by means of a bolt, pin or screw extending at one side through the locking member, whereas the locking member having preferably opposing to the first side on a second side a deep hole or oblong hole or longitudinal slot, through which a bolt, pin or screw mounted on the stationary mounted frame structure extends.
  • the amount of swinging or tilting or pivoting motion of said locking member is limited.
  • a bolt, pin or screw which can be in engagement with a respective elongated hole in the stationary mounted frame structure leading to the same effect.
  • the limitation of the swivelling or tilting motion of the locking member determines the displacement of the locking member between the first position and the second position.
  • said locking protrusion is formed by an engagement face and a back face, wherein said engagement face has a substantially undercut configuration and said back face is inclined, so as to prevent a closing operation and permit an opening operation of said door, when said locking member is in said second position.
  • the locking protrusion is substantially formed as a teeth having said engagement face and back face inclined in the substantially same direction, but, however, with different angles of inclination. Consequently, the locking protrusion acts like a ratchet allowing turning of the door drive shaft in an opening direction of the door but preventing rotation of the door drive shaft in a closing direction.
  • the center of said aperture substantially aligns with the axis of said door drive shaft. That is, in case the locking member is substantially symmetrical, the axis of said door drive shaft substantially lies on the axis of symmetry of the locking member.
  • said door drive biasing member is formed as a coil spring adapted to at least partially enclose said door drive shaft.
  • the door drive biasing member can be also formed as a spring element with a different geometric configuration, such as a helical spring, plate spring, elastomeric block etc.
  • a door in particular a sectional door, comprising a door drive shaft for driving said door between an opened position and a closed position, at least one locking member being movable between a first position allowing operation of said door and a second position preventing operation of said door by means of engagement with said door drive shaft, a door drive biasing member for at least supporting opening operation of said door, said locking member is biased by said door drive biasing member in the direction towards said first position, said locking member is arranged only in said first position when biased by said door drive biasing member, and said locking member comprises an aperture receiving said door drive shaft, in particular an engagement portion thereof, extending therethrough.
  • the door is preferably a sectional door, which can be formed of a plurality of generally horizontally extending sections or panels, each of which typically extends from one side of the door opening to the other side.
  • the top section of each panel is attached to a lower section of an adjacent panel, wherein this attachment is provided preferably by means of hinges or the like. Additional sections can be mounted thereto in the same manner.
  • the panel is arranged preferably at guide means, which may be formed as at least one rail, shaft or the like, which extend substantially parallel to the opening and closing direction of the door, i.e. substantially parallel to the displacement path of the door panels. That is, for sectional doors of the over-head type, the guide means preferably comprise vertical sections blending into curved sections and terminating in a horizontal section.
  • a plurality of panels could be used, however, also solely one panel may be provided, which is adapted to close or cover the door opening.
  • said engagement portion of said drive shaft is accommodated within said aperture and covered by a substantially plate-shaped stationary mounted frame structure at which said locking member is preferably pivotably supported.
  • the door locking mechanism is advantageously encapsulated by said plate-shaped stationary mounted frame structure and said locking member.
  • said door comprising a supplemental biasing member, wherein said locking member is biased by said supplemental biasing member in the direction towards said second position, and said locking member is arranged in said first position when biased by said door drive biasing member and said supplemental biasing member and in said second position when biased only by said supplemental biasing member.
  • Fig. 1 shows a perspective view of the door (D) according to an embodiment of the present invention.
  • the door comprises preferably a plurality of door panels 50 and a guide means 52 for guiding the panels 50 during displacement thereof.
  • a driving means is provided, which comprises a door drive shaft 2.
  • the door comprises of at least one panel 50 for at least partially closing a door opening of e.g. a building structure.
  • a door opening e.g. a building structure.
  • the door By use of the door as a sectional door, a plurality of panels 50 are provided, which are arranged in an edge-to-edge relationship, hingedly connected by means of hinges 54 or the like.
  • the door may also comprise solely one single panel 50, which preferably entirely covers or closes the door opening of a building structure.
  • the sectional door may be used as a folding door, in which the door opening is opened and closed by substantially horizontal movement of the door, i.e. of the door panels 50.
  • the sectional door may be employed in door systems of the overhead-type. In these doors, the panels 50 are displaced from a substantially vertical position (i.e.
  • the invention may be also employed in roll-up doors, in which a plurality of the panels is - in the opened state of the door - wound up on e.g. a shaft. This shaft could also function as the door drive shaft 2.
  • These door systems are typically employed in garages, industrial building structures or the like.
  • the panels 50 may be formed of wood or the like.
  • the panels 50 may be formed of at least two sheet metal or plastic shells. Between these two sheet metal or plastic shells, an insulation material may be provided. This insulation can be either glued to the shells or it is introduced into the shells by foaming (e.g. PU-foam). This results in a panel 50 having a reduced weight while having an improved strength.
  • the panels 50 could be also reinforced, so that a high stability thereof can be ensured.
  • the sheet metal or plastic shells may be of identical design or shape, thereby simplifying their manufacture. Thus, a symmetrically panel 50 is preferably provided.
  • the connection between the sheet metal or plastic shells or respective elements may be achieved alternatively by means of snap connection or other kinds of mechanical connection.
  • the door comprises the guide means 52 for guiding the panels 50 during displacement between a first position (such as an opened-position) and a second position (such as a closed-position) of the door.
  • the guide means 52 are adapted to guide guiding elements provided at the door panels 50.
  • the guiding elements can be formed as a sliding element or as a rotatable element, such as a roller. Consequently, the guiding element is adapted to translate or move in the guide means 52, which might be formed as a rail element.
  • the guide means 52 is preferably adapted to at least partially encapsulate the guiding element in order to prevent displacement of the panels 50 in a plane substantially normal or perpendicular to the displacement path of the panels.
  • the guide means 52 which is substantially adapted to the outer configuration of the guiding elements.
  • the guide means 52 extend from a vertical position over a bent portion to a horizontal position.
  • a door locking mechanism according to a preferred embodiment of the present invention is shown.
  • the door locking mechanism comprises a locking member 4, a door drive biasing member 6 as well as a supplemental biasing member 8 ( figs. 4 and 5 ).
  • the locking member 4 is preferably in particular substantially plate-shaped.
  • the locking member 4 is plate-shaped having a rhombus-like or diamond-like form.
  • the locking member 4 may further comprise a cylindrical tube-like element 10, which can be integrally or unitarily formed with the locking member 4.
  • the cylindrical element 10 of the locking member 4 substantially receives or accommodates a distal end portion of a first side 12 of the door drive biasing member 6.
  • the cylindrical element 10 is formed substantially conical with its larger diameter provided at the locking member 4 and its smaller diameter facing towards the center of the door or the door drive biasing member 6, respectively.
  • the locking member 4 further comprises an aperture or space 14 extending substantially in the middle through the locking member 4.
  • the aperture 14 is provided in order to at least house the door drive shaft 2.
  • the aperture 14 is in its diameter larger than the diameter of the door drive shaft 2, as the door drive shaft 2 comprises an engagement portion 16, which is preferably housed in the locking member 4 and/or the cylindrical element 10.
  • the engagement portion 16 of the door drive shaft 2 has recesses provided therein for engagement with respective portions of the locking member 4, as will be described later with reference to figs. 5 and 6.
  • the door drive shaft 2 extends through a frame structure 56 of the door.
  • the frame structure 56 can act in particular as a guide or support for the door drive shaft 2, which is rotatably supported in the frame structure 56.
  • the frame structure 56 comprises a substantially plate-shaped element 58, which is preferably arranged between the locking member 4 and a drum 60, which forms part of the door drive mechanism.
  • the locking member 4 is connected or in engagement with the first side 12 of the door drive biasing member 6.
  • the door drive biasing member 6 is on its second side 18 connected or in engagement with the door drive shaft 2.
  • the locking member 4 has on its outer end portions mounting holes 20 through which mounting elements, such as bolts, pins or screws 22 can engage.
  • One of the bolts 22 extends through a respective hole 24 of the plate-shaped element 58.
  • the other of the bolts 22 extends through an elongated hole 26 of the plate-shaped element 58.
  • the elongated hole 26 may have a linear configuration, however, preferably, it follows a curved line, of which center of radius the hole 24 defines.
  • the locking member 4 is pivotable or swivable or displaceable between a first position and a second position by rotating the locking member 4 around the axis defined by the hole 24 within the limitations defined by the elongated hole 26.
  • the door drive biasing member 6 biases or urges the locking member 4 in the directional towards the first position of the locking member 4 (shown in fig. 4 ).
  • the supplemental biasing member 8 biases or urges the locking member 4 in the direction towards the second position (shown in fig. 5 ).
  • the door drive biasing member 6 and supplemental biasing member 8 are configured such that the locking member 4 is arranged in the first position when biased by both, the door drive biasing member 6 as well as the supplemental biasing member 8, and in the second position when biased only be the supplemental biasing member 8.
  • the locking member 4 has in the shown embodiment of the present invention two locking protrusions 28 provided at the inner circumferential surface of the aperture 14.
  • the locking protrusions 28 are adapted to engage a preferably corresponding locking recess of the engagement portion 16 of the door drive shaft 2.
  • the axis of the door drive shaft 2 substantially is aligned with the symmetrical line of the locking member 4, i.e. the axis of the circular aperture 14.
  • the door drive shaft 2 i.e. the engagement portion 16 respectively, is out of engagement with the locking protrusion 28 of the locking member 4.
  • the door drive biasing member 6 collapses, i.e.
  • the locking member 4 is displaced towards its second position. In the second position, the locking protrusion 28 engages a respective recess in the engagement portion 16 of the door drive shaft 2. Thereby, operation of the door is prevented. This means, the operation of the door at least towards its closing direction is prevented.
  • the locking protrusion 28 is formed teeth-like having an engagement face for engagement with the recess of the engagement portion 16 and a back face, wherein said engagement face has an undercut configuration and the back face has an inclination directed towards the same direction as the inclination of the engagement face, but with a different inclination angle, the rotation of the door drive shaft 2 into the closing direction is prevented, whereas the rotation of the door drive shaft 2 in the opening direction of the door is permitted.
  • the engagement portion 16 of the door drive shaft 2 is accommodated within the aperture 14 of the locking member 4. Further, the engagement portion 16 is covered by the cylindrical element 10 and by the plate-shaped element 58, at which the locking member 4 is preferably pivotably supported. Consequently, the essential or moving parts of the locking mechanism are substantially housed within the locking member 4 and the plate-shaped element 58, so that injuries of an operator's fingers or intrusion of dirt, water etc. is avoided.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
EP06004967A 2006-03-10 2006-03-10 Sperrvorrichtung einer Tür Withdrawn EP1832702A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06004967A EP1832702A1 (de) 2006-03-10 2006-03-10 Sperrvorrichtung einer Tür

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06004967A EP1832702A1 (de) 2006-03-10 2006-03-10 Sperrvorrichtung einer Tür

Publications (1)

Publication Number Publication Date
EP1832702A1 true EP1832702A1 (de) 2007-09-12

Family

ID=37011936

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06004967A Withdrawn EP1832702A1 (de) 2006-03-10 2006-03-10 Sperrvorrichtung einer Tür

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EP (1) EP1832702A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017076799A1 (de) * 2015-11-03 2017-05-11 Wihag Fahrzeugbausysteme Gmbh Fahrzeugaufbau

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3198242A (en) 1961-09-05 1965-08-03 Overhead Door Corp Upwardly acting door and seal means therefor
DE9310792U1 (de) * 1993-07-19 1994-05-19 Hörmann KG Brockhagen, 33803 Steinhagen Federüberwachungsgerät
EP1213428A1 (de) * 2000-12-07 2002-06-12 Flexi-Force B.V. Absturzsicherung
US20030221801A1 (en) 2002-03-19 2003-12-04 Canimex Inc. Safety braking device for garage doors and the like
EP1475500A1 (de) * 2003-03-17 2004-11-10 Ballan S.p.A. Absturzsicherung für Sektionaltor mit Gewichtsausgleichsfeder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3198242A (en) 1961-09-05 1965-08-03 Overhead Door Corp Upwardly acting door and seal means therefor
DE9310792U1 (de) * 1993-07-19 1994-05-19 Hörmann KG Brockhagen, 33803 Steinhagen Federüberwachungsgerät
EP1213428A1 (de) * 2000-12-07 2002-06-12 Flexi-Force B.V. Absturzsicherung
US20030221801A1 (en) 2002-03-19 2003-12-04 Canimex Inc. Safety braking device for garage doors and the like
EP1475500A1 (de) * 2003-03-17 2004-11-10 Ballan S.p.A. Absturzsicherung für Sektionaltor mit Gewichtsausgleichsfeder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017076799A1 (de) * 2015-11-03 2017-05-11 Wihag Fahrzeugbausysteme Gmbh Fahrzeugaufbau

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