WO2003014501A1 - Dispositif de blocage pour porte coulissante et porte coulissante pourvue d'un tel dispositif de blocage - Google Patents

Dispositif de blocage pour porte coulissante et porte coulissante pourvue d'un tel dispositif de blocage Download PDF

Info

Publication number
WO2003014501A1
WO2003014501A1 PCT/NL2002/000530 NL0200530W WO03014501A1 WO 2003014501 A1 WO2003014501 A1 WO 2003014501A1 NL 0200530 W NL0200530 W NL 0200530W WO 03014501 A1 WO03014501 A1 WO 03014501A1
Authority
WO
WIPO (PCT)
Prior art keywords
blocking
ofthe
guide
sliding door
blocking device
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.)
Ceased
Application number
PCT/NL2002/000530
Other languages
English (en)
Inventor
Jurgen Johannes Antonius Van Loon
Richardus Johannes Hendricus Tijsseling
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.)
PUNCHING TECHNOLOGY GAANDEREN HOUDSTERMAATSCHAPPIJ BV
Original Assignee
PUNCHING TECHNOLOGY GAANDEREN HOUDSTERMAATSCHAPPIJ BV
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 PUNCHING TECHNOLOGY GAANDEREN HOUDSTERMAATSCHAPPIJ BV filed Critical PUNCHING TECHNOLOGY GAANDEREN HOUDSTERMAATSCHAPPIJ BV
Publication of WO2003014501A1 publication Critical patent/WO2003014501A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • E05D13/006—Anti-dropping devices fixed to the wing, i.e. safety catches
    • 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

  • Blocking device for a sliding door, and sliding door provided with such a blocking device
  • the invention relates to a blocking device for a sliding door, comprising a carrier structure, at least one blocking element connected pivotally to the carrier structure, which blocking element is provided with at least one coupling element adapted for coupling to hanging means supporting the rolling door, and biasing means positioned between the blocking element and a part ofthe blocking device connected pivotally to the blocking element.
  • the invention also relates to a sliding door provided with such a blocking device, comprising a shielding element provided with guide means, at least one guide which is positioned on at least two sides close to the shielding element and which co-acts with the guide means, hanging means for supporting the shielding element and at least one blocking device positioned at least close to the guide and connected to the shielding element.
  • Known from the prior art are (industrial) sliding doors, in particular vertical rolling doors, which are equipped with one or more blocking mechanisms.
  • Such doors constructed from rigid segments are also referred to as sectional doors.
  • the blocking mechanism is mounted on the rolling door and is usually connected to a steel cable or chain supporting the rolling door.
  • a blocking element forming part of the blocking mechanisms pivots outward relative to the rolling door such that the blocking element engages on an outer side of a guide bounding the rolling door.
  • the blocking element engages under bias on the guide, wherein the position ofthe blocking mechanism, and therefore also the position ofthe rolling door relative to the guide, remains fixed.
  • Blocking ofthe rolling door as a consequence of cable or chain break is important with a view to preventing or countering accidents.
  • the blocking mechanism known from the prior art has a number of drawbacks.
  • the blocking mechanism is adapted to engage on the outer side ofthe guide ofthe rolling door.
  • Such a positioning ofthe blocking mechanism means that the external contact side of the guide must be left clear, which results in a certain limitation if the freedom of design in respect ofthe mounting construction of a rolling door.
  • such a blocking mechanism projects considerably relative to the rolling door, which can be disadvantageous from a practical viewpoint as well as hazardous, for instance when goods are placed close to the rolling door.
  • the invention has for its object, while retaining the advantages of the prior art, of providing an improved blocking device without the above stated drawbacks.
  • the invention provides for this purpose a blocking device for a sliding door of the type stated in the preamble, with the feature that the biasing means are adapted to urge apart
  • This blocking device can be embodied very compactly and mounted with only a limited construction height on a door. Due to the compact embodiment both the use and appearance of a rolling door provided with at least one such blocking device is more attractive.
  • the compact blocking device according to the invention when compared to blocking devices known from the prior art, results in a material saving and cost saving in the manufacture thereof.
  • the critical components ofthe blocking device, such as the pivotable blocking element and the biasing means, can also be better protected from the surrounding area.
  • the blocking element is preferably pivotable between an active position, in which a part ofthe blocking element lies at a distance from the carrier structure, and an inactive position, in which the blocking element lies a shorter distance from the carrier structure than in the active position. It will be apparent that in an active position the blocking device blocks the rolling door and that in an inactive position the blocking device leaves the rolling door clear.
  • the blocking element substantially encloses an angle of 25° to 45°, preferably 35°, with the carrier structure in the active position. Tests have shown that the blocking device also functions effectively, although less than optimally, when the blocking element encloses an angle smaller than 25° with the carrier structure in the active position.
  • the advantage of the blocking element according to the present invention is that the blocking element can be placed such that it can clamp itself between the sliding door and a guide of the sliding door wherein the force of gravity ofthe sliding door enhances engagement of the blocking element.
  • the maximum pivot angle of the blocking element relative to the carrier structure is preferably bounded by a stop. Under normal conditions the stop forms a safety device. Under normal conditions the blocking element pivots outward in the active position until it makes contact with a guide and clamps itself between the sliding door and the guide, partly as a result ofthe force of gravity prevailing on the rolling door. In the case of extreme conditions, for instance when the blocking device disconnects from the sliding door, the maximum movement ofthe blocking element can be bounded.
  • the blocking device is provided with two blocking elements, which has the advantage that the considerable force applied to the blocking device during clamping ofthe blocking element between sliding door and guide can be distributed over two blocking elements.
  • the load per blocking element will, with correct operation, be significantly smaller than in the situation where only one blocking element is applied per blocking device.
  • Another advantage of applying two blocking elements in a blocking device is that this provides extra safety.
  • the blocking elements must preferably be dimensioned such that a single blocking element can withstand the load of blocking a sliding door.
  • the biasing means are preferably adapted to urge apart parts ofthe two blocking elements. During the displacement ofthe blocking elements from an inactive position not blocking the sliding door to an active position blocking the sliding door, the blocking elements pivot apart.
  • both blocking elements can for instance be provided with a coupling element for coupling to hanging means supporting the rolling door.
  • the free end ofthe blocking element is provided with a cutting edge. Owing to the cutting edge the blocking element will be better able to engage on a guide, among other reasons because ofthe relatively small contact surface ofthe blocking element. Owing to the high pressure present on the cutting edge during blocking ofthe sliding door the blocking will proceed rapidly, whereby the sliding door will block immediately.
  • the blocking element is preferably provided with a receiving space for coupling means comiected to the hanging means.
  • the receiving space can for instance be formed by an interruption of or opening in the blocking element.
  • the coupling means can for instance be formed by a pin or hook-shaped element which, in the normal operating situation, are positioned at least partly in at least a part ofthe receiving space and engage on the blocking element.
  • the carrier structure is formed at least substantially by a rod.
  • the advantage of a rod is that it is relatively strong at a relatively compact volume.
  • the blocking element is then pivotally connected to the rod. In the case a plurality of blocking elements, for instance two, are applied, all blocking elements can be connected in pivotable manner to the rod.
  • the invention also provides a sliding door of the type stated in the preamble, characterized in that the blocking element is positioned for engaging on contact sides of the guide which are directed toward the guide means ofthe shielding element. It is important that at least a part ofthe shielding element is provided during use with a vertical component, whereby the shielding element is at least partly supported by the hanging means.
  • the blocking device is embodied such that the blocking element is positioned between the sliding door and the guide, whereby the blocking device can, among other things, take a more compact form and, partly due to the limited space in which it is situated and the orientation in which it can be placed, provides an improved blocking. Further advantages ofthe sliding door in combination with the blocking device have already been described above.
  • the biasing force ofthe biasing means is exerted substantially perpendicularly on the contact sides ofthe guide.
  • the most effective clamping of the blocking element can take place in such an orientation, irrespective of the position ofthe guide relative to the sliding door.
  • a free end of the blocking element is preferably substantially congruent to the adjacent contact side ofthe guide. Because the free ends of the blocking element and the contact sides of the guide are of substantially the same shape, the blocking element engages closely onto the guide. The contact surface between the blocking element and the guide can thus be maximized, whereby blocking ofthe sliding door can proceed more effectively (faster, with more certainty).
  • the blocking element is pivotable between an active position, in which a free end ofthe blocking element engages at least partially on the guide, and an inactive position in which the blocking element lies substantially clear ofthe guide.
  • the blocking element is preferably coupled to the hanging element such that the force exerted on the blocking element by the hanging element in the line of action of the biasing means is opposed to and greater than the forced exerted by the biasing means on the blocking element. In the described preferred embodiment the blocking element will thus be positioned in the inactive position in the situation suspended from the hanging element.
  • the biasing means will pivot the blocking element in the direction ofthe guide such that the blocking element engages on the guide, whereby the sliding door blocks.
  • the hanging means are preferably formed by a steel cable, chain or cord.
  • the blocking device is preferably enclosed for at least a substantial part by the guide. Such an embodiment has the advantage that the blocking device, in particular the carrier structure, is or can be embodied in relatively compact and space-saving manner.
  • the sliding door is embodied as a rolling door.
  • Rolling doors are commonly used in industry to screen off work areas. From a safety viewpoint, so as to prevent accidents, it is of great importance to equip such a rolling door with a blocking device according to the invention.
  • figure 1 shows a perspective view of a blocking device in an inactive position according to the invention
  • figure 2 shows the perspective view of a blocking device as according to figure 1 in an active position according to the invention
  • figure 3a shows in top view a cross-section of a preferred embodiment of a rolling door provided with a blocking device in an inactive position
  • figure 3b shows in top view the cross-section ofthe preferred embodiment ofthe rolling door provided with the blocking device according to figure 3 a in an active position
  • figure 3c shows in top view and in cross-section a preferred embodiment of a sliding door provided with a blocking device according to the invention
  • figure 3d shows in top view another preferred embodiment of a sliding door provided with a blocking device according to the present invention
  • figure 4a shows a side view of an assembly of a guide for a rolling door and a blocking device in a non-blocking position according to the invention
  • figure 4b is a side view ofthe assembly of figure 4
  • FIG. 1 shows a perspective view of a blocking device 1 in an inactive position according to the invention.
  • Blocking device 1 comprises a carrier structure 2, which carrier structure 2 is provided with a shaft 3.
  • Blocking device 1 also comprises two blocking elements 4,5 pivotally connected to shaft 3.
  • Carrier structure 2 is provided with a projecting, cable-guiding element 6 for guiding a cable (not shown) supporting the sliding door to a coupling element 7 forming part ofthe blocking element.
  • Carrier structure 2 is adapted for connection to a sliding door (supported by the cable) such that the projecting, cable-guiding element 6 directs a cable to coupling element 7.
  • a spring (not shown) is positioned between blocking elements 4,5. This spring presses blocking elements 4,5 apart.
  • blocking element 5 is formed such that it can engage more or less closely onto a guide guiding the rolling door. If the cable is connected to coupling element 7, the blocking elements 4,5 are then urged toward each other as a result ofthe tensile force in the cable, which is equal to at least a part ofthe gravitational force prevailing on the rolling door.
  • the force exerted by the cable on blocking elements 4,5 is in that case greater than the biasing force exerted by the spring on blocking elements 4,5, whereby in accordance with the configuration shown in figure 1 the blocking elements are situated in the inactive position.
  • the sliding door will be freely displaceable along the guide and the blocking elements remain (during correct operation) clear of the guide, whereby blocking of the rolling door does not therefore occur.
  • Figure 2 shows a perspective view of blocking device 1 in an active position according to the invention. If the cable (not shown) connected to coupling element 7 is disconnected due to for instance the cable breaking, and/or if the tensile force on the cable is removed, the biasing force exerted by the spring will then move the blocking elements 4,5 apart. If blocking device 1 is connected to the sliding door, the free ends of blocking elements 4,5 will then engage on a guide guiding the sliding door. The orientation of blocking elements 4,5 relative to the guide results in clamping of blocking elements 4,5 between the sliding door and the guide, whereby the sliding door will block.
  • Figure 3a shows in top view a cross-section through a preferred embodiment of a rolling door 8 provided with a blocking device 11 in an inactive position.
  • Rolling door 8 is provided on a transverse side with guide means in the form of guide wheels 9 connected to the rolling door via shafts 8a.
  • Guide wheels 9 are bounded multilaterally by a guide 10.
  • Rolling door 8 is supported by a cable 12 positioned on a side of guide 10 directed toward rolling door 8.
  • Blocking device 11 is provided with a blocking element 13. This latter is connected in figure 3a to the (tensioned) cable 12, with the result that blocking element 13 does not engage on the side of guide 10 directed toward rolling door 8.
  • Figure 3b shows in top view the cross-section ofthe preferred embodiment of rolling door 8 provided with blocking device 1 1 of figure 3a in an active position. Following a break of the cable not shown in this figure, or if the tension is removed from the cable, the position of blocking element 13 will change such that blocking element 1 1 engages on the side of the guide 10 directed toward rolling door 8, whereby rolling door 8 blocks. After reconnection to blocking element 13 of a (new) cable supporting rolling door 8, blocking element 13 will displace into the configuration shown in figure 3a.
  • Figure 3 c shows in top view and cross-section a preferred embodiment of a sliding door 14 provided with a blocking device 18 according to the invention. Sliding door 14 is bounded on two sides by a guide 15.
  • Sliding door 14 is provided with a cylindrical opening 16 in which a cable 17 supporting the sliding door 14 is positioned.
  • cable 17 is connected to a blocking element 19 forming part of blocking device 18 such that blocking element 19 remains clear of guide 15.
  • blocking element 19 will displace in the direction ofthe side ofthe guide directed toward sliding do ⁇ i 14 such that blocking element 19 engages in fixed manner at one location on guide 19.
  • Figure 3d shows another preferred embodiment of a sliding door 20 provided with a blocking device 21.
  • the sliding door 20 is bounded on three sides by a guide 22.
  • Sliding door 20 is supported by a cable 23 located on a side of guide 22 remote from sliding door 20.
  • Blocking device 21 is provided with two blocking elements 24,25 which in the shown figure do not engage on the side of guide 22 directed toward sliding door 20, since they are held at bias by the tensile force of cable 23 connected to blocking elements 24,25.
  • blocking elements 24,25 will displace such that they will engage in fixed manner at (at least) two locations on guide 22.
  • FIG 4a shows a side view of an assembly 26 of a guide 27 for a rolling door (not shown) and a blocking device 28 in a non-blocking position according to the invention.
  • Blocking device 28 herein comprises a coupling rod 29 for coupling the blocking device 28 to the rolling door, and two blocking elements 30,31 connected pivotally to coupling rod 29.
  • a draw spring (not shown) is positioned between blocking elements 30,31.
  • Blocking elements 30,31 are both provided with a slot 33,34 adapted to receive a pin 37 connected to steel cable 32.
  • Pin 37 is herein displaceable relative to slots 33,34 subject to the bias exerted by steel cable 32 on blocking device 28.
  • Both blocking elements 30,31 are also provided with a cutting edge 35,36.
  • the blocking device 28 is shown in a non-blocking position, whereby the rolling door can be freely displaced relative to guide 27. In the case steel cable 32 breaks, blocking device 28 will displace, as a result ofthe draw spring that is present, from a non-blocking position to a position blocking the rolling door.
  • Figure 4b shows a side view of assembly 26 of figure 4a, wherein blocking device 28 is shown - after steel cable 32 has broken - in a blocking position.
  • both blocking elements 30,31 are urged apart such that cutting edges 35,36 of both blocking elements 30,31 engage in blocking manner on guide 27.
  • a consequence ofthe blocking position of blocking device 28 is that the relative orientation ofthe rolling door, blocking device 28 and guide 27 is and remains at least substantially fixed under the present conditions.
  • An advantage of this blocking action of blocking device 28 is that the rolling door will not displace further as a result ofthe force of gravity, but remains positioned at the position, or at least close to the position, where the cable break has occurred. Unsafe working situations can hereby be prevented or at least countered.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wing Frames And Configurations (AREA)
  • Special Wing (AREA)

Abstract

L'invention concerne un dispositif de blocage pour une porte coulissante. Ce dispositif comprend une structure de support et au moins un élément de blocage relié de façon pivotante à la structure de support. L'élément de blocage comprend au moins un élément de couplage conçu pour le couplage avec un moyen de suspension soutenant la porte roulante, et un moyen de sollicitation placé entre la structure de support et l'élément de blocage. L'invention concerne également une porte coulissante pourvue d'un tel dispositif de blocage.
PCT/NL2002/000530 2001-08-07 2002-08-06 Dispositif de blocage pour porte coulissante et porte coulissante pourvue d'un tel dispositif de blocage Ceased WO2003014501A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1018724 2001-08-07
NL1018724A NL1018724C2 (nl) 2001-08-07 2001-08-07 Blokkeerinrichting voor een schuifdeur en schuifdeur voorzien van zo een blokkeerinrichting.

Publications (1)

Publication Number Publication Date
WO2003014501A1 true WO2003014501A1 (fr) 2003-02-20

Family

ID=19773848

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2002/000530 Ceased WO2003014501A1 (fr) 2001-08-07 2002-08-06 Dispositif de blocage pour porte coulissante et porte coulissante pourvue d'un tel dispositif de blocage

Country Status (2)

Country Link
NL (1) NL1018724C2 (fr)
WO (1) WO2003014501A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2311313A1 (es) * 2005-05-13 2009-02-01 Puertas Cubells, S.L. Dispositivo anticaida para puertas de funcionamiento vertical tipo guillotina de una o varias hojas.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR702462A (fr) * 1930-04-08 1931-04-09 Hans Kissling Porte basculante
DE3800789A1 (de) * 1988-01-14 1989-07-27 Einwich Georg Fangvorrichtung fuer hand- und kraftbetaetigte tore, insbesondere fuer sectional-tore

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR702462A (fr) * 1930-04-08 1931-04-09 Hans Kissling Porte basculante
DE3800789A1 (de) * 1988-01-14 1989-07-27 Einwich Georg Fangvorrichtung fuer hand- und kraftbetaetigte tore, insbesondere fuer sectional-tore

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2311313A1 (es) * 2005-05-13 2009-02-01 Puertas Cubells, S.L. Dispositivo anticaida para puertas de funcionamiento vertical tipo guillotina de una o varias hojas.
ES2311313B1 (es) * 2005-05-13 2009-08-19 Puertas Cubells, S.L. Dispositivo anticaida para puertas de funcionamiento vertical tipo guillotina de una o varias hojas.

Also Published As

Publication number Publication date
NL1018724C2 (nl) 2003-02-10

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