EP2924224B1 - Controllably operating draught excluder device - Google Patents
Controllably operating draught excluder device Download PDFInfo
- Publication number
- EP2924224B1 EP2924224B1 EP15000903.3A EP15000903A EP2924224B1 EP 2924224 B1 EP2924224 B1 EP 2924224B1 EP 15000903 A EP15000903 A EP 15000903A EP 2924224 B1 EP2924224 B1 EP 2924224B1
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- EP
- European Patent Office
- Prior art keywords
- chamber
- strip
- door
- spring
- actuator
- 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.)
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Links
- 239000012530 fluid Substances 0.000 claims description 29
- 239000006096 absorbing agent Substances 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 7
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/18—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever
- E06B7/20—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever automatically withdrawn when the wing is opened, e.g. by means of magnetic attraction, a pin or an inclined surface, especially for sills
- E06B7/215—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever automatically withdrawn when the wing is opened, e.g. by means of magnetic attraction, a pin or an inclined surface, especially for sills with sealing strip being moved to a retracted position by elastic means, e.g. springs
Description
- The present invention generally finds application in the field of heat and sound insulating devices for doors and windows, and particularly relates to a controllably movable draught-excluder device.
- Draught-excluder devices have been long known to be used in door or window leaves for at least partially closing off any gap that may occur either between the leaf and the sill or between the door and the floor.
- These known devices are generally known to be attached to the bottom edge of the door and comprise a seal, e.g. a strip made of a flexible material, which is designed to interact with the floor to restrict air passage.
- A first drawback of these known arrangements is that the flexible strip constantly contacts the floor and tends to rub against its surface as the door is opened and closed, thereby generating friction and making it difficult the movement by the user.
- A further drawback is that the flexible strip tends to undergo permanent deformation upon repeated rubbing against the floor, which will considerably reduce its air sealing effect.
- In an attempt to at least partially obviate these drawbacks, draught-excluder devices have been developed, which are able to move between a raised position, in which they are held within a seat formed in the bottom edge of the door, and a lowered position in contact with the floor.
- Namely, in these devices the flexible strip can only move from the raised position to the lowered position when the door is closed, and is thus prevented from rubbing as the door moves.
- Draught-excluder devices generally comprise an actuator which projects out of the door and is conformed to interact with the fixed frame and control appropriate drive means, which are designed to promote automatic translation of the flexible strip from the raised position to the lowered position and vice versa.
- In certain draught-excluder devices, delay means are interposed between the actuator and the drive means to cause the flexible strip to descend some time after the door has been closed.
-
GB616076 - The movement of the actuator compresses the spring and allows the fluid to circulate within a conduit which is located fluidically downstream from the cylinder, for controlled descent of a pair of pistons associated with the flexible strip.
- A first drawback of this arrangement is that the device requires a very complex manufacturing process, because the cylinder, the conduit and the shaft must be appropriately sized to maintain the fluid at a pressure above a predetermined minimum value sufficient to counteract the natural upward movement of the strip.
- CH666719 discloses a draught-excluder device in which the actuator is connected to the drive means through a rigid arm extending through a oil hydraulic cylinder which defines a pair of chambers in fluid communication with each other through a hole.
- The movement of the actuator displaces the rigid arm and consequently actuates the drive means with a damping effect caused by the flow of oil into the two chambers through the oil. This will cause delayed and progressive descent of the flexible strip to contact with the floor.
- Nevertheless, these arrangements have the drawback that the flexible strip is raised some time after the door has been opened.
- This is because the upward movement of the flexible strip is also controlled by the drive means, whose movement is delayed, by the fluid that flows in an opposite direction, with respect to the time at which the door has been closed.
- Therefore, as the door is opened, the flexible strip rubs against the floor for a non-negligible time before being raised.
- Furthermore, these prior art devices require appropriate adjustments to cause the descent of the flexible strip to occur with an acceptable, non excessive delay with respect to the time at which the door is closed.
- Also, another important drawback of the above described arrangements is that these solutions have a limited durability and their manufacturing and installation complexity considerably increases maintenance and/or replacement times.
- The object of the present invention is to obviate the above drawbacks, by providing a controllably movable draught-excluder device that is highly efficient and relatively cost-effective.
- A particular object of the present invention is to provide a controllably movable draught-excluder device that allows the door to be easily opened and closed and promotes a high sealing effect irrespective of the conformation of the floor or sill.
- A particular object of the present invention is to provide a controllably movable draught-excluder device that ensures instantaneous response as the door is opened.
- Another object of the present invention is to provide a controllably movable draught-excluder device that has a simple manufacturing process.
- Another object of the present invention is to provide a controllably movable draught-excluder device that has simple maintenance.
- Yet another object of the present invention is to provide a controllably movable draught-excluder device that affords very simple adjustment of the delay with which the flexible strip is lowered, such delay being constant with time.
- These and other objects, as better explained hereafter, are fulfilled by a controllably movable draught-excluder device for carts as defined in
claim 1. - Advantageous embodiments of the invention are obtained in accordance with the dependent claims.
- Further features and advantages of the invention will be more apparent from the detailed description of a preferred, non-exclusive embodiment of a controllably movable draught-excluder device according to the invention, which is described as a non-limiting example with the help of the annexed drawings, in which:
-
FIG. 1 is a broken-away side view of the draught-excluder device of the invention; -
FIG. 2 is a front view of the device ofFig. 1 , with the latter contacting a raised sill of a door or window leaf. -
FIG. 3 is a perspective view of a first detail ofFig. 1 in a first configuration; -
FIGS. 4 and 5 are broken-away side views of the first detail ofFig. 4 in two different operating positions; -
FIGS. 6A, 6B, 7A, 7B ,11A, 11B, 12A and 12B are broken-away side and front views of thedevice 1 respectively, in different operating positions; -
FIGS. 8, 10 ,13 and 14 are broken-away side views of the first detail ofFig. 3 , which is enlarged as compared withFigs. 6A, 7A ,11A and 12A respectively; -
FIG. 9 is an enlarged broken-away side view of a second detail ofFig. 7A ; -
FIG. 15 is a broken-away side view of the first detail ofFig. 1 according to a second embodiment; -
FIG. 16 is an enlarged view of a portion of the first detail ofFig. 15 . - The above figures show a controllably movable draught-excluder device, generally designated by
numeral 1, which is designed to be attached to the bottom edge B of a door P or a door or window leaf, the latter being hinged to a fixed frame T secured to an opening formed in a wall. - As is known per se, the frame T comprises a pair of vertical posts M, M', joined by a horizontal cross member. The door P may be hinged to one of these posts M' to pivot about a substantially vertical axis.
- In the embodiment of
FIG. 1 , the draught-excluder device 1 comprises a box-like enclosure 9 which is designed to be fitted into a longitudinal groove W formed in the bottom edge B of the door P and aseal 2 extending along a longitudinal axis L. - The
seal 2 essentially consists of astrip 3 of a profile that is adapted to interact with the floor F to provide an at least partial air sealing effect. - Alternatively, as best shown in
FIG. 2 , thestrip 3 may interact with a sill S, which is attached to the floor F and has a convex outer surface to prevent the passage of dirt or impurities. - The
seal 2 is preferably made of a flexible material selected from the group comprising elastomers or polymeric materials and may have anupper portion 4 with at least onelower appendix 5 extending therefrom to interact with the sill S. - The
device 1 further comprises drive means 6 which act upon thestrip 3 to move it between a raised rest position, relative to the sill S or the floor F and a lowered operating position, in contact with the sill S or the floor F. - Proximate to one of the ends of the box-
like enclosure 9, thedevice 1 comprises anactuator 7, which is operably associated with the drive means 6 to control actuation thereof. - Namely, the
actuator 7 is adapted to move between an extended position, in which it does not interact with the frame T and a retracted position in which it contacts the frame T. - The box-like enclosure is designed to be located in the longitudinal groove W of the bottom edge B of the door P for the
actuator 7 to be able to interact with a post M of the frame T. Namely, theactuator 7 will be in an extended position when the door P is open and in a retracted position when the door P is closed. - Delay means 8 are further provided, which act upon the drive means 6 to delay the movement of the
strip 3. - The delay means 8 are adapted to interact with the drive means 6 to transfer motion from the
actuator 7 to thestrip 3 and to delay the movement of thestrip 3 from the raised position to the lowered position as the door P is closed. - Thus, the
lower appendix 5 of thestrip 3 will gradually fit the particular shape of the sill S or floor F, thereby increasing its draught or air sealing effect. - Furthermore, the
strip 3 will only move to its lowered position when the door P is closed, which will prevent it from rubbing against the sill S or floor F. - A peculiar feature of the invention is that the drive means 6 comprise at least one
slide 10, which is connected to thestrip 3 by means of one ormore links 11. - First elastic means 12 may be further provided between the
actuator 7 and theslide 10. - Conveniently, the
actuator 7 may comprise atubular element 13 having aflat end portion 14 projecting out of theenclosure 9 and adapted for interaction with the post M of the frame T. - The
tubular element 14 may be slidably mounted to alongitudinal pin 15 located in theenclosure 9 and having oneend 16 rigidly joined to theslide 10. - The first elastic means 12 may comprise a
bias spring 17 fitted on thelongitudinal pin 15 whose ends 18, 19 interact with theactuator 7 and theslide 10 respectively. Theslide 10 may interact with theactuator 7 to move in a longitudinal direction to a predetermined extent. - In the retracted position, the
actuator 7 may promote compression of thebias spring 17. The latter may have a spring modulus K1 selected to transfer a longitudinal force F1 of not less than 230 N to theslide 10. - In the embodiment of the figures, the
device 1 may comprise a pair of connectingrods 11, 11' with oneend 20, 20' hinged tocorresponding anchor elements 21, 21', which are designed to be removably secured to theupper portion 4 of thestrip 3. - The
other end 22 of one of the connectinglinks 11 is hinged to aslide 10, whereas the end 22' of the other connecting link 11' is hinged to a fixedsupport 23. - This connecting arrangement will provide a four-
bar linkage 24 whose sides are formed by theslide 10, the connectinglink 11, thestrip 3 and the other connecting link 11' respectively. - The force F1 applied by the
bias spring 17 to the four-bar linkage 24 through theslide 10 will cause thestrip 3 to move downwards, while remaining substantially parallel to the longitudinal axis L. - A further peculiar feature of the invention is that the
slide 10 has anappendix 25 withend edge 26, preferably but without limitation having a flat shape, adapted to interact by contact with the delay means 8 when theactuator 7 contacts the post M, to thereby delay the movement of thestrip 3 from the raised position to the lowered position as the door P is closed. - The
end edge 26 is further adapted to be moved away from the delay means 8 to ensure quasi-instantaneous automatic movement of thestrip 3 from its lowered position to its raised position as the door P is opened. - Conveniently, as best shown in
FIGS. 3 to 5 ,8 10 ,12 and14 , the delay means 8 may comprise a substantially longitudinal oil hydraulic shock-absorber 27 comprising secondelastic means 28. - Preferably, the
shock absorber 27 comprises anelongate body 29 having a substantially cylindricallongitudinal cavity 30 which defines at least one first chamber filled with incompressible oil O. - Particularly, a
partition element 31 may be placed in thecavity 30 to define afirst chamber 32 and asecond chamber 33, with an axial passage 34for fluid communication therebetween. - The
elongate body 29 may in turn comprise afront portion 35 and arear portion 36, which are joined together at oneend first chamber 32 and thesecond chamber 33 respectively. - Furthermore, the
end 38 of therear portion 36 may be fitted into anopening 39 formed in theend 37 of thefront portion 35 to define thepartition element 31. - The
partition element 31 may have a pair of substantially flat faces 40, 41 facing thefirst chamber 32 and thesecond chamber 33 respectively. - Preferably, the fluid O that fills the
cavity 30 may be an oil selected from the group comprising both natural and synthetic hydraulic oils. - Conveniently, the second elastic means 28 may comprise at least one
first spring 42 held within thefirst chamber 32, and the second elastic means 28 may comprise asecond spring 43 held within thesecond chamber 33. - Conveniently, the shock-
absorber 27 may comprise apiston 44 having arod 45 slidably fitted in anaxial end hole 46 of theelongate body 29 and anenlarged head 47, slidably held within thefirst chamber 32 and interacts with oneend 48 of thefirst spring 42. - Thus, the
first spring 42 may act upon theenlarged head 47 with a longitudinal force F2 directed opposite to the force F1 exerted by thebias spring 17 on theslide 10, as best shown inFIGS. 7 ,9 and 10 . - Preferably, the
axial end hole 46 will be formed in thefront portion 35 of theelongate body 29 and the free end of theshaft 49 may project outwardly thereof when thefirst chamber 32 is at least partially filled with fluid O. - Furthermore, the shock-
absorber 27 may comprise anannular element 50, which is slidably and sealably inserted in thesecond chamber 33. - The
second spring 43 may interact with theannular element 50 to exert thereupon a longitudinal force F3 in the same direction as the force F2 exerted by thefirst spring 42 on theenlarged head 47, to promote compression of the fluid O in thesecond chamber 33. - The
partition element 31 may have aseat 51 on theface 40 facing thefirst chamber 32, said seat communicating with theaxial passage 34 and being adapted to accommodate avalve body 52 which is slidably movable against the biasing action of thefirst spring 42. - The
valve body 52 may have a calibratedaxial orifice 53 which is designed to restrict the flow of fluid O from thefirst chamber 32 to thesecond chamber 33, thereby damping the displacement t of theshaft 45. - Namely, the
axial orifice 53 may face toward and be located at anend opening 54 of theaxial passage 34, once thevalve body 52 has been fully accommodated in theseat 51 due to the compression of the fluid O generated by the inward displacement of therod 45. - Thus, the fluid O will be able to gradually flow from the
first chamber 32 to thesecond chamber 33, thereby promoting a slower and substantially constant inward movement t of therod 45. - In the embodiment as shown in
FIG. 5 , theseat 51 and thelateral surface 55 of thevalve body 52 have substantially frustoconical complementary shapes, to create a substantially annular meatus therebetween, through which the fluid O is designed to flow from thesecond chamber 33 to thefirst chamber 32. - Namely, the
clearance 56 will be formed as thevalve body 52 moves away from theseat 51 due to the force F4 generated by the fluid O as it flows through theaxial passage 34. - Also, the
second spring 43 may interact with theannular element 50 to compress the fluid O in thesecond chamber 33 and promote backflow thereof into thefirst chamber 32 through theaxial passage 34 and the clearer and 56. - As the fluid O flows from the
second chamber 33 to thefirst chamber 32, it will cause therod 45 to slide outwards, with itsfree end 49 projecting out of theend hole 46. - Advantageously, the
edge 26 of theappendix 25 may compress thefree end 49 of therod 45 when theactuator 7 is in the retracted position. - Thus, the
edge 26 of theappendix 25 will transfer the force F1 generated by thebias spring 17 to thefree end 49 of therod 45 when theactuator 7 is in the retracted position and the door P is closed. - Therefore, in this state, the
rod 45 will be pressed inwards and the drive means 6 will promote the delayed movement of theslide 10 and theflexible strip 3 from the raised position to the lowered position, in contact with the sill S. - On the other hand, the
edge 26 of theappendix 25 may be moved away from thefree end 49 of therod 45 when theactuator 7 is in the extended position, thereby ensuring quasi-instantaneous movement of theslide 10 and the connectinglink 11, and instantaneous upward movement of thestrip 3 from the lowered position to the raised position, while maintaining an orientation substantially parallel to the longitudinal axis L. - In the alternative embodiment of the shock-
absorber 27 as shown inFIG. 15 , thecavity 13 has asingle chamber 32, which houses thehead 47 of thepiston 44, acted upon by theend 48 of asingle spring 42. - As shown in
fig 16 , a plurality of substantially axial calibrated throughholes 57 are formed at theenlarged head 47 of thepiston 44, allowing the fluid O in thefirst chamber 32 to flow through thehead 47 as thepiston 44 moves forward. - The
spring 32 is designed to act upon thehead 47 of thepiston 44 to cause thefree end 49 of therod 45 to move back to the maximum distance from theend hole 46. - Furthermore, a
cylindrical element 58 may be inserted in thechamber 32 upstream from theenlarged head 47, and have a correspondingcentral passage 59, for therod 45 to slide therein and compensate for fluid O volume changes as thepiston 44 moves. -
FIGS. 6 to 14 sequentially show the steps of the operation of the draught-excluder device 1 as the door P is being closed/opened. - Namely, when the door P is open, the
actuator 7 is in the extended position, and thestrip 3 is in the raised position, at a distance from the sill S, as shown inFIG. 6 . - In this operating step, the
free end 49 of therod 45 projects out of theend hole 46 of thecylindrical body 29 and contacts theedge 26 of theappendix 25, as shown inFIG. 8 . - As the door P is closed, as shown in
FIG. 7 , theend surface 14 of theactuator 7 will contact the post M, thereby promoting the longitudinal translation t' of theactuator 7 to its maximum predetermined extent w, i.e. to its retracted position, and compressing thespring 17 to transfer the force F1 to theslide 10 and theappendix 25. - In this particular state, the
rod 45 of the shock-absorber 27 is initially still, as the force F1 is initially counteracted and balanced by a force resulting from the sum of the compression of the fluid O in thefirst chamber 32, the force F2 of thefirst spring 42 and the force F3 of thesecond spring 43. - As the force F1 is applied to the
rod 45 of the shock-absorber 27 thevalve body 52 will be displaced into theseat 51 formed in thepartition element 31. - In the embodiment of
figures 11 and 12 , in which the shock-absorber has two inner chambers, pressure upon therod 45 promotes circulation of the fluid O from thefirst chamber 32 to thesecond chamber 33 through the calibratedorifice 53, and causes theenlarged head 47 of thepiston 44 to move back into thefirst chamber 32. - As the fluid letter O flows into the
second chamber 33, theannular element 50 will slide in the longitudinal direction and thesecond spring 43 will be compressed. - In this state, the
slide 10 will move longitudinally in the same direction as the force F1, thereby causing the connectinglink 11 to rotate and thestrip 3 to be progressively lowered to contact with the sill S. - Appropriate selection of the spring modulus of the
springs chambers axial orifice 53 will allow adjustment of the delay with which thestrip 3 will reach the lowered contact position. For example, the complete descent of thestrip 3 may occur with a delay of the order of 5 s. - Then, as the door P is opened, the compression of the
bias spring 17 will be relieved on theactuator 7, thereby causing it to move back into its extended position, as shown inFIG. 13 . - The
actuator 7 will move thepin 15 outwards and the latter will cause instantaneous displacement of theslide 10 and theedge 26 of theappendix 25, as well as an instantaneous upward motion of thestrip 3 from the contact position to the raised position. - Then, as shown in
FIG. 14 , the fluid O may circulate from thesecond chamber 33 to thefirst chamber 32 due to the compression exerted thereon by thesecond spring 43 through theannular element 50, which will cause thevalve body 52 to move away from theseat 51 with ameatus 56 being formed thereby. - As the
first chamber 32 is progressively filled with the fluid O, theenlarged head 47 of thepiston 44 will slide outwards and thefree end 49 of therod 45 will come out of theend hole 46. - The
piston 41 will stop sliding when thefree end 49 of theshaft 45 will contact theedge 26 of theappendix 25, and the state ofFIG. 6 will be restored. - Typically, the contact of the
rod 45 with theappendix 25 may occur in about 2 s, whereupon thedevice 1 is ready for a new operating cycle. - The above disclosure shows that the draught-excluder device of the invention fulfills the intended objects, in that it allows the flexible strip to contact the floor with a predetermined delay after the door has been closed, and to be raised almost instantaneously as soon as the door is opened.
- While the device has been described with particular reference to the accompanying figures, the numerals referred to in the disclosure and claims are only used for the sake of a better intelligibility of the invention and shall not be intended to limit the claimed scope in any manner.
Claims (15)
- A controllably movable draught-excluder device, for attachment to the bottom edge (B) of a door (P) or window hingedly connected to a fixed frame (T), which device comprises:- a strip of a profile (3) made of a flexible material defining a longitudinal axis (L) and adapted to interact with a sill (S) to provide an air sealing effect;- drive means (6) acting upon said strip (3) through at least one connecting rod (11) to move said strip (3) between a raised rest position and an active lowered position, in contact with the sill (S);- an actuator (7) associated with said drive means (6) to control actuation thereof, said actuator (7) being adapted to move between an extended position, in which it is spaced from the frame (T) when the door (P) is open, and a retracted position in which it contacts the frame (T) when the door (P) is closed;- delay means (8) acting upon said drive means (6) to delay the movement of said strip (3);characterized in that said drive means (6) comprise at least one slide (10) connected to said strip (3) through said at least one connecting rod (11), said slide (10) having an appendix (25) with an end edge (26) adapted to contact engage said delay means (8) to delay the movement of said strip (3) from said raised position to said lowered position upon closure of the door (P), said end edge (26) being adapted to be spaced apart from said delay means (8) to ensure quasi-instantaneous automatic movement of said strip (3) from said lowered position to said raised position upon opening of the door (P).
- Device as claimed in claim 1, characterized by comprising first elastic means (12) having a bias spring (17) interposed between said actuator (7) and said slide (10).
- Device as claimed in claim 1, characterized in that said delay means (8) comprise an oil hydraulic shock-absorber (27) having an elongate body (29) with a substantially cylindrical longitudinal cavity (30) filled with an incompressible fluid (O) and defining at least one first chamber (32), said shock-absorber (27) further comprising second elastic means (28).
- Device as claimed in claim 3, characterized in that said oil hydraulic shock-absorber (27) comprises a piston (44) with a rod (45) slidably fitted in an end hole (46) of said body (29) and an enlarged head (47) slidably housed within said at least one first chamber (32), wherein the free end (49) of said rod (45) projects out wardly of said end hole (46) when said at least one first chamber (32) is partially filled with fluid (O).
- Device as claimed in claim 4, characterized in that said second elastic means (28) comprise at least one first spring (42) housed in said at least one first chamber (32) and having an end (48) that interacts with said enlarged head (47).
- Device as claimed in claim 5, characterized in that said cavity (30) defines a single first chamber (32) and said second elastic means (28) comprise a single first spring (42), said enlarged head (47) having one or more calibrated through holes (57) for the passage of the fluid (O) as said piston (44) moves forward in said first chamber (32).
- Device as claimed in claim 3, characterized in that said longitudinal cavity (30) has internally thereof a partition element (31) therein, which is adapted to define a first chamber (32) and a second chamber (33), said partition element (31) having an axial passage (34) for providing fluid communication between said first chamber (32) and said second chamber (33).
- Device as claimed in claim 7, characterized in that said second elastic means (28) comprise a first spring (42) and a second spring (43), each being housed in one respective chamber (32, 33) of said longitudinal cavity.
- Device as claimed in claim 8, characterized in that said partition element (31) has a seat (51) on the face (40) oriented forward said first chamber (32), said seat communicating with said axial passage (34) and being adapted to slidably accommodate a valve body (52) against the biasing action of said first spring (42).
- Device as claimed in claim 9, characterized in that said valve body (52) has a calibrated axial orifice (53) for delaying the circulation of the fluid (O) from said first chamber (32) to said second chamber (33), thereby damping the displacement of said rod (45), said axial orifice (53) facing an open end (54) of said passage (34).
- Device as claimed in claim 9, characterized in that said valve body (52) has a frustoconical lateral surface (55) substantially complementarily shaped with respect to that of said seat (51) to define therewith a substantially annular meatus (56) when said valve body (52) is speed apart from said seat (51) to allow the fluid (O) to flow from said second chamber (33) to said first chamber (32).
- Device as claimed in claim 9, characterized in that said oil hydraulic shock-absorber (27) comprises an annular element (50) which is slidably and sealably inserted in said second chamber (33), said second spring (43) being adapted to interact with said annular element (50) to compress the fluid (O) in said second chamber (33) and promote backflow thereof into said first chamber (32) through said axial passage (34) and said annular meatus (56).
- Device as claimed in claim 1, characterized in that said drive means (6) and said delay means (8) are housed in a box-like enclosure (9) which is designed to be fitted into a longitudinal groove (W) of the bottom edge (B) of a door (P) or window.
- Device as claimed in claim 2, characterized in that said actuator (7) comprises a tubular element (13) with an end portion (14) projecting out of said enclosure (9) and adapted to interact with an upright (M) of the fixed frame (T) said tubular element (13) being slidably mounted to a pin (15) having one end (16) rigidly joined to said slide (10) with said bias spring (17) interposed therebetween.
- Device as claimed in claim 4, characterized in that said end edge (26) is designed to press the free end (49) of said shaft (45) to delay the movement of said slide (10) and said at least one connecting link (11), when said actuator (7) is in its retracted position, and to be moved away from said free end (49) when said actuator (7) is in the extended position, thereby allowing quasi-instantaneous movement of said slide (10) and said connecting rod (11).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITVI20140082 | 2014-03-28 |
Publications (3)
Publication Number | Publication Date |
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EP2924224A1 EP2924224A1 (en) | 2015-09-30 |
EP2924224B1 true EP2924224B1 (en) | 2016-10-12 |
EP2924224B2 EP2924224B2 (en) | 2023-07-12 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP15000903.3A Active EP2924224B2 (en) | 2014-03-28 | 2015-03-27 | Controllably operating draught excluder device |
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EP (1) | EP2924224B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3754146B1 (en) | 2019-06-19 | 2022-08-10 | Athmer oHG | Automatic seal with damper for delaying lowering |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202016100815U1 (en) | 2015-10-23 | 2016-03-24 | Athmer Ohg | Automatically extendable door gap seal |
AT517964B1 (en) * | 2016-01-18 | 2017-06-15 | Ing Degelsegger Walter | Sealing device for the lower edge region of a hinged door leaf |
PL3749825T3 (en) * | 2018-02-05 | 2022-01-10 | C.C.E. Costruzioni Chiusure Ermetiche S.R.L. | Draught-excluder device with delayed actuation |
IT201800002357A1 (en) * | 2018-02-05 | 2019-08-05 | Luca Geron | DEFLECTOR DEVICE WITH DELAYED START |
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GB616076A (en) | 1943-05-19 | 1949-01-17 | Peter Johannes Hubertus Hovens | Improvements in or relating to door attachment devices for exclusion of draught |
SU842293A1 (en) | 1979-08-07 | 1981-06-30 | Центральное Конструкторское Бюропрачечного Оборудования | Hydraulic shock absorber |
CH666719A5 (en) | 1985-05-08 | 1988-08-15 | Planet Matthias Jaggi | Sealing strip for lower edge of door - has delay mechanism to prevent descent of strip until door is fully closed |
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IT1296370B1 (en) † | 1997-11-11 | 1999-06-25 | Luigi Geron | SELF-ADJUSTABLE ACTUATOR BUTTON FOR AUTOMATIC DUST-PROTECTING DEVICE AND INCORPORATING DEVICE-PROTECTIVE DEVICE SUCH BUTTON |
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FR812519A (en) | 1936-10-26 | 1937-05-12 | Nearly invisible gap closure device under doors and similar closures | |
GB616076A (en) | 1943-05-19 | 1949-01-17 | Peter Johannes Hubertus Hovens | Improvements in or relating to door attachment devices for exclusion of draught |
SU842293A1 (en) | 1979-08-07 | 1981-06-30 | Центральное Конструкторское Бюропрачечного Оборудования | Hydraulic shock absorber |
CH666719A5 (en) | 1985-05-08 | 1988-08-15 | Planet Matthias Jaggi | Sealing strip for lower edge of door - has delay mechanism to prevent descent of strip until door is fully closed |
EP0332426A1 (en) | 1988-03-10 | 1989-09-13 | Reilor Limited | Door closer |
DE3935790A1 (en) | 1989-10-27 | 1991-05-02 | Hahn Gmbh & Co Kg Dr | AUTOMATIC FLOOR SEAL FOR ONE DOOR |
JPH09112154A (en) | 1995-10-16 | 1997-04-28 | Shibutani:Kk | Seal device of door bottom |
US5727286A (en) | 1996-03-11 | 1998-03-17 | Shen; Chung-Shan | Door closer with a pneumatic dashpot |
JPH10220124A (en) | 1997-02-10 | 1998-08-18 | Shibutani:Kk | Seal device of door bottom |
JP2003193764A (en) | 2001-12-26 | 2003-07-09 | Shibutani:Kk | Door bottom closing device |
US20070251052A1 (en) | 2004-12-02 | 2007-11-01 | Pyo Chul S | Buffer for Noise Removal of Closing the Door |
WO2007113576A1 (en) | 2006-04-03 | 2007-10-11 | Astra Door Controls Limited | Door closer |
JP3138325U (en) | 2007-10-16 | 2007-12-27 | 株式会社日鋼サッシュ製作所 | Door bottom device |
ES1067209U (en) | 2007-10-30 | 2008-05-01 | Lander Urquia Etcheto | Shock absorber for doors with spring closure (Machine-translation by Google Translate, not legally binding) |
Cited By (1)
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EP3754146B1 (en) | 2019-06-19 | 2022-08-10 | Athmer oHG | Automatic seal with damper for delaying lowering |
Also Published As
Publication number | Publication date |
---|---|
EP2924224B2 (en) | 2023-07-12 |
EP2924224A1 (en) | 2015-09-30 |
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