EP2247812B1 - Acceleration and deceleration device having two driving elements - Google Patents

Acceleration and deceleration device having two driving elements Download PDF

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Publication number
EP2247812B1
EP2247812B1 EP09711259A EP09711259A EP2247812B1 EP 2247812 B1 EP2247812 B1 EP 2247812B1 EP 09711259 A EP09711259 A EP 09711259A EP 09711259 A EP09711259 A EP 09711259A EP 2247812 B1 EP2247812 B1 EP 2247812B1
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EP
European Patent Office
Prior art keywords
piston
cylinder
sliding door
acceleration
deceleration
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.)
Active
Application number
EP09711259A
Other languages
German (de)
French (fr)
Other versions
EP2247812A1 (en
Inventor
Günther Zimmer
Martin Zimmer
Original Assignee
Günther Zimmer
Martin Zimmer
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
Priority to DE102008009046.8A priority Critical patent/DE102008009046B4/en
Application filed by Günther Zimmer, Martin Zimmer filed Critical Günther Zimmer
Priority to PCT/DE2009/000200 priority patent/WO2009100717A1/en
Publication of EP2247812A1 publication Critical patent/EP2247812A1/en
Application granted granted Critical
Publication of EP2247812B1 publication Critical patent/EP2247812B1/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/16Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for sliding wings
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00Braking devices, e.g. checks; Stops; Buffers
    • E05F5/003Braking devices, e.g. checks; Stops; Buffers for sliding wings
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E05D13/04Fasteners specially adapted for holding sliding wings open
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00Suspension arrangements for wings
    • E05D15/06Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
    • E05D15/0621Details, e.g. suspension or supporting guides
    • E05D15/066Details, e.g. suspension or supporting guides for wings supported at the bottom
    • E05D15/0686Tracks
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/22Additional arrangements for closers, e.g. for holding the wing in opened or other position
    • E05F3/221Mechanical power-locks, e.g. for holding the wing open or for free-moving zones
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefore
    • E05Y2201/20Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/21Brakes
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefore
    • E05Y2201/20Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/252Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore characterised by type of friction
    • E05Y2201/254Fluid or viscous friction
    • E05Y2201/256Fluid or viscous friction with pistons or vanes
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefore
    • E05Y2201/20Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/262Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore characterised by type of motion
    • E05Y2201/264Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore characterised by type of motion linear
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefore
    • E05Y2201/40Motors; Magnets; Springs; Weights; Accessories therefore
    • E05Y2201/404Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function
    • E05Y2201/41Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function for closing
    • E05Y2201/412Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function for closing for the final closing movement
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefore
    • E05Y2201/40Motors; Magnets; Springs; Weights; Accessories therefore
    • E05Y2201/404Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function
    • E05Y2201/422Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function for opening
    • E05Y2201/424Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function for opening for the final opening movement
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefore
    • E05Y2201/40Motors; Magnets; Springs; Weights; Accessories therefore
    • E05Y2201/47Springs; Spring tensioners
    • E05Y2201/488Traction springs
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2600/00Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40Mounting location; Visibility of the elements
    • E05Y2600/46Mounting location; Visibility of the elements in or on the wing
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2800/00Details, accessories and auxiliary operations not otherwise provided for
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2800/00Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20Combinations of elements
    • E05Y2800/21Combinations of elements of identical elements, e.g. of identical compression springs
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2800/00Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20Combinations of elements
    • E05Y2800/244Combinations of elements arranged in serial relationship
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2800/00Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/73Single use of elements
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/10Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
    • E05Y2900/132Doors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T16/00Miscellaneous hardware [e.g., bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance, etc.]
    • Y10T16/27Checks and closers

Description

  • The invention relates to an acceleration and deceleration device which has an energy accumulator connected to a driving element and at least one piston guided in a cylinder by means of the driving element and a sliding door arrangement with such an acceleration and deceleration device.
  • From the DE 10 2006 019 351 A1 An acceleration and deceleration device is known. In order to move the sliding door leaf into the end position under control both when closing and when opening, two acceleration and deceleration devices are required. This requires a large amount of space.
  • From the GB 1 316 551 A a shock absorbing device is known. This device has a cylinder with two outer piston rods with pistons. The piston rod heads are designed as stop heads to absorb shocks. Between the piston and a fixedly arranged in the cylinder bearing ring, a compression spring is arranged. Furthermore, the cylinder has an internal free-flying piston rod with a piston plate. When retracting the piston rod, the compression spring is compressed, so that in the end position, the piston rod extending recoil. When retracting the other piston rod, the compression spring is inoperative and ineffective.
  • The EP 1 582 114 A1 discloses a slide assist device. Two transversely movable to a Schieberverfahrrichtung locking elements are mounted in a respective slide. Each slider has a rack segment that meshes with a gear of a rotary damper. On one of the slides wound on a coil strip spring is arranged, whose free end is fixed to a fixing part of the other slider. This device requires, inter alia, due to the rotational damper and the bobbin case a large amount of space. The gears and rack segments require special machines for machining and are therefore expensive to manufacture.
  • The present invention is therefore based on the problem to develop a compact acceleration and deceleration device and a sliding door assembly with such an acceleration and deceleration device that allows a controlled approach of end positions in two stroke directions.
  • This problem is solved with the features of the main claim. For this purpose, the acceleration and deceleration device a second driving element, which either leads a separate piston from the above-mentioned piston in the cylinder or which leads the cylinder relative to the first-mentioned piston. The second driving element is connected to the first-mentioned energy storage.
  • Further details of the invention will become apparent from the dependent claims and the following description of schematically illustrated embodiments.
  • FIG. 1:
    open sliding door;
    FIG. 2:
    closed sliding door;
    FIG. 3:
    Partial section of the sliding door assembly;
    FIG. 4:
    Dimetric view of an acceleration and deceleration device;
    FIG. 5:
    Detail of the device FIG. 4 ;
    FIG. 6:
    Acceleration and deceleration device with the sliding door open;
    FIG. 7:
    Acceleration and deceleration device after leaving the actuating element;
    FIG. 8:
    Acceleration and deceleration device before reaching a second actuating element;
    FIG. 9:
    Acceleration and deceleration device with closed sliding door;
    FIG. 10:
    Detail of the acceleration and deceleration device from the FIG. 6 ;
    FIG. 11:
    Detail of the acceleration and deceleration device from the FIGS. 7 and 8 ;
    FIG. 12:
    Acceleration and deceleration device with internal parking positions;
    FIG. 13:
    Dimetric representation of a device according to FIG. 12 ;
    FIG. 14:
    Detail off FIG. 12 ;
    FIG. 15:
    Device after FIG. 12 with sliding door open;
    FIG. 16:
    Device after FIG. 12 when leaving the actuator;
    FIG. 17:
    Device after FIG. 12 before the next contact of the actuating element;
    FIG. 18:
    Device after FIG. 12 with closed sliding door;
    FIG. 19:
    Detail of the device after the FIGS. 16 and 17 ;
    FIG. 20:
    Detail of the device after FIG. 18 ;
    FIG. 21:
    Acceleration and deceleration device with hydraulic deceleration device;
    FIG. 22:
    Dimetric view of the device after FIG. 21 ;
    FIG. 23:
    Detail off FIG. 21 ,
  • The Figures 1 and 2 show a sliding door assembly with a sliding door leaf (2) which is guided by means of a guide system (10) in a door frame (3). This shows the FIG. 1 the sliding door panel (2) in an open position and the FIG. 2 this sliding door leaf (2) in a closed position. In the FIG. 3 is a plan view of an open sliding door leaf (2) is shown, wherein the guide system (10) is shown in a longitudinal section.
  • Instead of in a door frame (3), the sliding door leaf (2) can be performed in differently shaped parts with guiding and supporting functions. The guide system (10) can also be used on sliding windows, drawers, etc.
  • The sliding door leaf (2) is for example a cabinet door leaf, a door leaf for the separation of rooms in apartments, industrial buildings, etc. It can be made for example of plastic, metal or wood with or without glass.
  • In the open position, cf. FIG. 1 , The sliding door leaf (2) protrudes, for example, with the handle portion of the door frame (3). In the closed position, cf. 2, the sliding door leaf (2) closes the door opening (4) of the door frame (3). A wall-side door leaf receptacle (6) and a vertical frame part (5) delimit the door opening (4) and the door leaf lift (9) between the open and the closed position of the sliding door leaf (2). The total length of the Türumrahmung (3) is thus determined by the length of the sliding door leaf (2) and the Türblattstub (9). The length of the sliding door leaf (2) is in the embodiment 600 millimeters and the Türblattstub (9) 500 millimeters. Above the sliding door leaf (2), the door frame (3) in this embodiment comprises a guide channel (8) in which the guide system (10) is arranged.
  • The guide system (10) comprises two fixed (11, 12) and a moving guide part (14). The fixed guide parts (11, 12) are fastened in this embodiment in the guide channel (8). The relatively movable guide part (15) is arranged on the upper side of the sliding door leaf (2). It is also conceivable to arrange the two here designated as fixed guide parts (11, 12) on the moving sliding door leaf (2). They are then movable relative to a guide channel (8) mounted second guide member (14).
  • The fixed guide parts (11, 12) are, for example, two actuating elements (11, 12) arranged at a distance from each other. The actuator (11) shown on the left has a distance of eg 190 millimeters from the left end of the guide channel (8), the actuator shown on the right (12) is the same distance from the right end of the guide channel (8).
  • The single actuating element (11, 12) is, for example, a bolt (11, 12) which is secured by means of fastening elements (13), e.g. is attached to the ceiling of the guide channel (8). For example, it has a square cross section with an edge length of 12 millimeters. The actuating elements (11, 12) can also be fastened laterally on the longitudinal sides of the guide channel (8).
  • The moving guide part (14) comprises on the upper side of the sliding door leaf (2) on an adapter component (15) arranged groups (16) of guide rollers (17) and a Beschleunigungsuns delay device (20). In the embodiment shown here - the sliding door leaf (2) has a mass of 80 kilograms, for example - two groups (16) of four guide rollers (17) each are arranged on the sliding door leaf (2), cf. FIG. 3 , In each case one group (16) is arranged on the left in these illustrations and a group (16) on the right of the acceleration and deceleration device (20). In each group (16) are in this illustration two guide rollers (17) upwards and the other two down over the sliding door leaf (2) over. The length of each group (16) - in the longitudinal direction of the sliding door leaf (2) - is here 100 millimeters.
  • The FIG. 4 shows a dimetric representation of an example pneumatic acceleration and deceleration device (20). It comprises a central cylinder tube (21), on the two end sides of each of which a frame part (151, 161) is arranged. In each case, a carrier element (111, 131) is longitudinally displaceable from a parking position (121, 141) in one of the parking position in both frame parts (151, 161) End position (122, 142) out. The entrainment element (131) shown on the right is in the parking position (141), where it is pivoted there, for example, by 15 degrees in the direction of the nearest end face of the acceleration and deceleration device (20). The left driving element (111) is in the opposite of the parking position (121) arranged end position (122). Below the cylinder tube (21), an energy store (32) is arranged, which connects the two driving elements (111, 131). This energy store (32) is for example a tension spring (32). The length of the acceleration and deceleration device (20) in this embodiment is 400 millimeters, that is two thirds of the length of the sliding door leaf (2). The height of the installed device (20) is for example 15 millimeters. In order to fix the acceleration and deceleration device (20) on the sliding door leaf (2) or on an adapter (15) placed on the sliding door leaf (2), two screws are used, for example, which are each inserted into a through hole (27).
  • In this exemplary embodiment, the two frame parts (151, 161) in each case consist of two guide parts (152, 153, 162, 163) which are mirror images of each other and which are e.g. are interconnected by means of a clip connection.
  • The Figures 5 . 10 and 11 show longitudinal sections of the cylinder tube (21). In the cylinder tube (21) two pistons (61, 81) of a cylinder-piston unit (42) are arranged. Both pistons (61, 81) constructed in mirror images of one another are displaceable in the longitudinal direction in the same cylinder (43) by means of a respective piston rod (67, 87). In each case, a piston rod (67, 87) in each case penetrates an end face (46, 47) of the cylinder (43). The piston rod head (68, 88) of each piston rod (67, 87) is pivotable on a respective driving element (111, 131) attached, cf. the FIGS. 6 to 9 , The strokes (123, 143) of the driving elements (111, 131) and thus also the piston strokes are in this embodiment in each case 68 millimeters.
  • The cylinder interior (44) is, for example, 117 millimeters long and has e.g. constant inner diameter of 13 millimeters. The length of the cylinder interior (44) is thus shorter than the sum of the strokes (123, 141) of the driving elements (111, 131). The cylinder inner wall (45) can be smooth. Optionally, one or more grooves may be introduced in regions on the inner wall (45) of the cylinder (43). These may e.g. be arranged symmetrically to the central transverse plane of the cylinder (43) and have a length of, for example, 30% of a piston stroke. The width of a groove is then e.g. a millimeter.
  • The single piston (61, 81), cf. FIG. 5 , For example, is constructed in two parts from a piston crown part (62; 82) facing the associated piston rod seal (51; 52) and a piston head part (63; 83). In the piston head part (62, 82), the piston rod (67, 87) is inserted and glued, for example. On the opposite end face, the piston head part (62; 82) is designed in the form of a cylinder for mounting the piston head part (63; 83). In the exemplary embodiment, a free space (64, 84) is formed in the piston head part (63, 83), into which, for example, when the two piston parts (62, 63, 82, 83) are glued, the air is displaced.
  • Between the two piston parts (62, 63, 82, 83) a sealing element (71, 91) is positively seated with a clamping area (73, 93). This is for example cup-shaped. Its length is for example 30% larger than its diameter. The diameter is 95% of the inner diameter in this embodiment of the cylinder (43). The wall thickness of the sealing element (71, 91) tapers from the clamping region (73, 93) to the end of the sealing element (71, 91) facing away from the clamping region (73, 93). Here an inner collar (74, 94) is arranged, which projects with play into a receiving area (65, 85). For example, longitudinal grooves can be arranged on the outer surface of the sealing element 71, 91. The sealing element (71, 91) consists, for example, of nitrile butadiene rubber and has, for example, a halogenated surface.
  • In the receiving area (65; 85) of the piston head part (63; 83), a further sealing element (72; 92), for example, is seated adjacent to an abutment flange (66; a shaft seal (72; 92). Its inner diameter is larger than the diameter of the receiving area (65, 85) and its outer diameter is at least as large as the smallest inner diameter of the cylinder. The annular groove (75, 95) of the sealing ring (61, 81) shown here points in the direction away from the piston rod (67, 87).
  • Optionally, in the receiving area (65; 85) another sealing element, e.g. an O-ring, be arranged. By means of this O-ring then the other two sealing elements (71, 72, 91, 92) are biased during assembly.
  • Both pistons (61, 81) thus carry piston sealing elements (71, 72, 91, 92), which in the process achieve a sealing effect only in one stroke direction, namely when the individual piston (61, 81) retracts into the cylinder (43).
  • In this embodiment, the device (20) comprises a displacement chamber (101) which is delimited by both pistons (61, 81) and two compensation chambers (102, 103) each of a piston (61, 81) and a cylinder end face (46; 47) are limited. The cylinder interior (44) is insulated, for example against the environment (1). However, the cylinder-piston unit (42) can also be designed so that the compensation chambers (102, 103) communicate with the environment (1).
  • At least during rapid retraction of a piston (61, 81) into the cylinder (43), the piston (61, 81) virtually hermetically separates a displacement (101) from a compensation chamber (102, 103). When the individual piston (61, 81) is extended, air flows out of the respective compensation (102, 103) via the sealing elements (71, 72, 91, 92) into the displacement chamber (101).
  • The individual entrainment element (111, 131) engages around the respective piston rod head (68, 88) and is guided in the frame part (151, 161) by means of two guide pin pairs. The center line of the piston rod head (68; 88) and the center lines of the guide pin pairs lie here in a common plane. The portion of the entrainment element (111, 131) projecting from the frame part (151, 161) has a receiving recess (112, 132) which is separated by two driving surfaces (113, 114, 133, 134) offset in the longitudinal direction and an open surface (115; 135) is limited. The two driving surfaces (113, 114, 133, 134) are e.g. arranged normal to the plane which is spanned by the center axes of the two guide pins. The free surface (115; 135) lies, for example, parallel to this plane. The transitions between the surfaces (113, 115, 115, 114, 133, 135, 135, 134) are rounded. The individual carrier element (111, 131) is elastically deformable with respect to its guide pins. For example, it can be pressed in during the first assembly in order to insert the actuating element (11, 12).
  • The two guide elements (152, 153, 162, 163), which encompass a driving element (111, 131), have the purpose of guiding the driving elements (111; 131) slots (154; 164). At their end facing away from the cylinder (43), they have curved regions (155, 165) away from the receiving depressions (112, 132). In the parking position, the guide pin pair facing away from the cylinder (43) is seated in the curved area (155; 165) of the oblong holes (154; 164).
  • The frame parts (151, 161) have a chamfer (156, 166) in the area of the parking position (121, 141) and a depression (157, 167) in a central stroke area.
  • The tension spring (32) - it has, for example, a constant cross section - is held in receiving eyes in both entrainment elements (111, 131). It is also conceivable to use two energy stores (32) which are each struck on a carrier element (111, 131) and, for example, on a frame part (151, 161).
  • When mounting the acceleration and deceleration device (20), for example, first the entrainment elements (111, 131) with the piston rods (67, 87), piston rod seals (51, 52) and the pistons (61, 81) with the piston seals (71, 72, 91, 92) pre-assembled. These units are then used, for example, in the frame parts (151; 161). Now, the frame parts (151, 161) from both sides of the cylinder tube (21) and set the piston (61, 81) inserted into the cylinder (43). After mounting the piston rod seals (51, 52), the tension spring (32) between the driving elements (111, 131) is then mounted. This entire unit can now - be mounted on a sliding door leaf (2) - with or without adapter (15).
  • The FIGS. 6 to 9 show in a longitudinal section the acceleration and deceleration device (20) when closing the sliding door leaf (2).
  • With the sliding door leaf open (2), cf. the FIGS. 1 . 4 and 6 , the right driving element (131) is in a latched parking position (141). The left entrainment element (111) is in the parking position (121) facing away from the end position (122) of its stroke (123) in engagement with the left actuating element (11).
  • The energy store (32) is partially charged or relaxed, for example. In the cylinder (43), the left piston (61) is in its right end position. Here he touches, for example, the right piston (81), which is also in its right end position. However, the two pistons (61, 81) need not touch. The displacement space (101), cf. FIG. 10 , is compressed to a minimum. Likewise, the right equalization space (103) has reached its minimum volume. The left compensation chamber (102) has its maximum volume in the illustrated position, cf. FIG. 10 ,
  • If the sliding door leaf (2) is closed, moves in the representation of FIG. 7 the acceleration and deceleration device (20) together with the sliding door leaf (2) relative to the fixed actuating element (11) to the right. The left operating element (11) pulls the left driving element (111) in the direction of the parking position (121). In this case, the energy store (32) is charged. In the in the FIG. 7 shown position both driving elements (111, 131) in the respective parking position (121, 141), the left actuator (11) is free.
  • When closing the sliding door leaf (2) pulls the driving element (111) the left piston (61) to the left. in this connection Air flows from the compensation chamber (102) with deformation of the sealing elements (71, 72) in the displacement chamber (101). As soon as the left driving element (111) is latched in its parking position (121), the displacement space (101) has reached its maximum volume. The two compensation chambers (102, 103) now have a minimal volume, cf. FIG. 11 , The energy store (32) is stretched.
  • Upon further closing of the sliding door leaf (2), cf. Figure 8, the acceleration and deceleration device (20) approaches the right actuator (12). In a partial stroke of the sliding door leaf (2) adjacent to the end position of the sliding door leaf (2), the right-hand actuating element (12) contacts the right-hand entrainment element (131) and pushes it out of the parking position (141) in the direction of the parking position (141st) with the detent being released ) facing away from the end position (142). In this case, the movement of the sliding door leaf (2) by means of the delay device (41) is delayed. At the same time, the energy store (32) is discharged and pulls the sliding door leaf (2) in its end position, see. Figures 2 and 9 , There it stays jerk-free. In this position, the right driving element (131) is in the parking position (141) facing away from the end position (142), while the left driving element (111) in the parking position (121) is locked.
  • The driving element (131) pushes the piston (81) to the left in this closing movement by means of the piston rod (87). Even with a slight displacement of the piston (81), the air in the displacement chamber (101) is compressed. The sealing ring (92) is pressed according to the principle of self-help radially outward to the cylinder inner wall (45). The initially undeformed sealing element (91) is likewise pressed against the cylinder inner wall (45). Both sealing elements (91, 92) seal the displacement chamber (101) quasi hermetically from the by the piston (81) limited compensation chamber (103) and delay by their friction on the cylinder inner wall (45) in addition to the lifting movement of the piston (81). The sealing elements (71, 72) of the left piston (61) are pressed against the cylinder inner wall (45), but this piston (61) remains at rest. In the right compensation chamber (103), the pressure is reduced, whereby the delay is further increased.
  • For example, after passing the rear end of the groove in the cylinder inner wall (45), air flows from the displacement space (101) past the sealing elements (91, 92) into the equalizing space (103). Also, an overflow by another design of the cylinder inner wall (45) or in the region of the piston (81) is conceivable. The air pressure in the displacement chamber (101) collapses. The negative pressure in the compensation chamber (103) is canceled. As soon as the sealing elements (91, 92) have completely detached from the inner wall (45), additional air flows from the displacement chamber (101) into the compensation chamber (103). The pressure in the displacement space (101) falls e.g. abruptly. The two sealing elements (91, 92) resume their initial position before the start of the lifting movement. The sliding door leaf (2) now has a low residual speed.
  • During the retracting stroke movement of the piston (81), the tension spring (32) relaxes. The acceleration force of the tension spring (32) decreases along the piston stroke. The sliding door (2) now moves slowly and with only a small speed and a slight delay to its end position. There she stays without rebound. Due to the low force of the accelerator device (31) is given when closing the door and a secure anti-trap.
  • In the closed end position of the sliding door leaf (2), cf. the Figures 2 and 9 , the displacement space (101) and the left compensation space (102) have a minimum volume, while the right compensation space (103) has a maximum volume.
  • The opening of the sliding door leaf (2) takes place in the reverse order, cf. the FIGS. 9-6 , In this case, first the volume of the displacement chamber (101) is increased by pulling out the right piston rod (87). The tension spring (32) is tensioned. In the partial stroke adjacent to the open end position of the sliding door leaf (2), the left driving element (11) then contacts the left actuating element (111) and causes the left piston (61) to be pushed into the cylinder (43). Similar to the closing of the sliding door leaf (2), the volume of the displacement chamber (101) is reduced when the sliding door leaf (2) is opened and the volume of the compensation chamber (102) is increased. The tension spring (32) is relaxed. The sliding door leaf (2) now moves slowly and with only slight speed and little delay to its open end position. There it stays without rebound.
  • When closing and opening the sliding door leaf (2), for example, the strokes (123, 143) of the two entrainment elements (111, 131) are equal in magnitude. These strokes (123, 143) of the acceleration and deceleration device (20) in this embodiment are in each case 11% of the length of the sliding door leaf (2). However, the strokes (123, 143) may also be different.
  • It is also conceivable, for example, only half open the sliding door leaf (2) and then close again. In this case, when you open the presentation FIG. 9 in the presentation of the FIG. 8 moved acceleration and deceleration device (20) back into the in the FIG. 9 shown position moved back. The acceleration and deceleration device (20) functions as described above. The same applies if, from the open position, cf. FIG. 6 the sliding door leaf (2) is only half closed, cf. FIG. 7 to be opened again, cf. FIG. 6 , In any case, a maximum of one entrainment element (111; 131) is in the end position (122; 142) facing away from the parking position. However, it is also possible for both entrainment elements (111, 131) to be in their respective parking position (121, 141).
  • The acceleration and deceleration device (20) with outer park positions (121, 141) can also be constructed such that only one piston which seals in a stroke direction and is connected to a carrier element is arranged in the cylinder. The second carrier element is then arranged, for example, on the cylinder base of a cylinder which is longitudinally displaceable relative to the guide parts. At each deceleration, the piston and cylinder then move relative to each other. The piston seals when retracting into the cylinder. The parking positions and end positions of the entrainment elements correspond to the positions as they are in the Figures 1 - 8 are shown. In such a device, the displacement chamber is always - during engagement of the left operating member and the engagement of the right operating member - between the piston and the cylinder bottom. The compensation chamber is located when opening and closing the sliding door leaf between the piston and the cylinder head with the piston rod passage.
  • The FIG. 12 shows a longitudinal section of an example pneumatic acceleration and deceleration device (20) with two driving elements (111, 131), the parking positions (121, 141) lie in the cylinder next position. This device (20), for example, in a guide system (10) for
  • Opening a sliding door leaf (2) are used, as for example in the Figures 1 - 3 is shown. The FIG. 13 shows a dimetric representation of this device (20).
  • In this embodiment, the acceleration and deceleration device (20) comprises only one piston (81) whose sealing elements (91, 92) point in the direction of the piston rod seal (52), cf. the FIGS. 12 and 14 , This piston rod seal (52) seals the cylinder interior (44) from the environment (1). That in the presentation of the FIG. 12 The carrier element (131) shown on the right is connected to the piston (81) by means of a piston rod (87). On the cylinder bottom (48), a rod (69) is arranged, which connects the cylinder (43) with the left arranged driving element (111). The cylinder (43) is longitudinally displaceably mounted in the housing (28) of the acceleration and deceleration device (20), eg by means of the piston rod (87) and the piston (81) and / or by means of a bearing (26). The cylinder interior (44) may be cylindrical, conical, etc. formed. In a conical configuration, the cross section of the cylinder bottom (48) to the cylinder head (49) increases towards.
  • The two entrainment elements (111, 131) have a similar structure to the entrainment elements (111, 131) described in connection with the first exemplary embodiment. They are connected by means of a tension spring (32). The tension spring (32) has a central portion (33) of large cross-section and two outer portions (34) adjacent thereto, having, for example, half the cross-section of the former portion (33). These thin sections (34) are each guided over a deflection roller (25).
  • In the presentation of the FIGS. 12 and 13 is the left driving element (111) in the parking position (121) and the right driving element (131) in the parking position (141) opposite end position (142) shown. Two through-holes (27) allow the attachment of the acceleration and deceleration device (20) on the sliding door leaf (2) or on an adapter component (15) arranged on the sliding door leaf (2).
  • The FIG. 14 shows the area of the piston (81) of the acceleration and deceleration device (20). The piston (81) comprises a piston bottom part (82), for example made of a metallic material, and a piston head part (83) arranged in the direction of the piston rod (87) and bonded to the piston head part (82), for example. The piston rod (87) penetrates the piston head part (83) and is fastened in the piston head part (82), for example in a thread. A first piston sealing element (91) is held with its clamping region (93) between the two piston parts (82, 83). This cup-shaped sealing element (91) protrudes with an inner collar (94) in a receiving area (85), without lying on the bottom. In this receiving area (85) is still loosely seated another piston sealing element (92), for example, a shaft seal (92) with an in the direction of the piston rod (87) facing annular groove (95), for example, the cylinder inner wall (45) contacted. An abutment flange (86) secures the shaft seal (92) against falling out.
  • The FIGS. 15-18 For example, when closing the sliding door show the various positions of the acceleration and deceleration device (20). In this embodiment, in the guide channel (8) only one actuating element (11) is arranged, which in the FIGS. 15-18 fixed relative to eg moving from left to right acceleration and deceleration device (20). The Türblattstub (9) is here, for example, 400 millimeters. For a larger door leaf lift (9) can also be two actuators (11, 12) are used. The driving elements (111, 131) and / or the actuating elements (11, 12) are then in the normal direction to the plane of the drawing FIGS. 15-18 arranged offset from one another.
  • In the in the FIG. 15 shown starting position, for example, when the sliding door leaf (2), the left driving element (111) is in the parking position (121). The right-hand driving element (131) is in engagement with the actuating element (11). It is in the parking position (141) arranged opposite end position (142), see. also FIG. 12 , The piston (81) is extended and lies in its right end position in the cylinder (43). The displacement chamber (101) is compressed and the compensation chamber (102) has its maximum volume. The energy store (32) is partially relaxed.
  • When closing the sliding door leaf (2) pushes the fixed actuator (11) the driving element (131) in the parking position (141). In the cylinder interior (44), for example, air flows under deformation of the sealing elements (91, 92) via the piston (81) from the compensation chamber (102) into the displacement chamber (101). The piston (81) is retracted into the cylinder (43), cf. FIG. 19 , The tension spring (32) is tensioned. As soon as the carrier element (131) has reached the parking position (141), the device (20) releases from the actuating element (11), cf. FIG. 16 ,
  • The sliding door leaf (2) is now closed further until the left driving element (111) standing in the parking position (121) contacts the actuating element (11), cf. FIG. 17 , The driving element (111) is pulled out of the parking position (121) in the direction of the parking position (121) opposite end position (122). This pulls the driving element (111) by means of the rod (69) with the cylinder (43), see. the Figures 18 and 20 , The cylinder (43) is pulled to the left relative to the piston (81) held by the latched right-hand driving element (131). In this case, it is guided, for example, by means of a sliding bearing (26). In the cylinder interior (44) of the displacement chamber (101) is compressed. The sealing elements (91, 92) of the piston (81) are pressed against the cylinder inner wall (45) and decelerated - supported by the forming negative pressure in the compensation chamber (102) - the relative movement of the cylinder (43) to the piston (81). The sliding door leaf (2) is delayed. For example, after passing through a longitudinal groove arranged in the cylinder inner wall (45), air flows from the displacement chamber (101) into the compensation chamber (102). The pressure in the displacement chamber (101) collapses. The sliding door leaf (2) moves slowly, pulled by the relaxing tension spring (32), in the closed end position. There it stays jerk-free.
  • The opening of the sliding door leaf (2) takes place in the reverse order. In the Figures 18-15 the sliding door leaf (2) with the acceleration and deceleration device (20) is pulled from right to left. Here, first, the left driving element (111) in the parking position (121) is locked, see. FIG. 17 , It holds the cylinder (43) firmly. The tension spring (32) is tensioned. As soon as the right driving element (131) has reached the actuating element (11), cf. 16, it pulls the piston (81) by means of the piston rod (87) to the right. The displacement space (101) is compressed. The sealing elements (91, 92) are applied to the cylinder inner wall (45) and delay the movement of the sliding door leaf (2). At the same time pulls the tension spring (32) under relief the sliding door leaf (2) in its open end position, see. the Figures 12 and 15 ,
  • The FIGS. 21 and 22 show an acceleration and deceleration device (20) with a hydraulic deceleration device (41) in a section and in a dimetric representation. The device (20) shown here has a cylinder (43) with two pistons (61, 81) arranged therein, which are each connected by means of a piston rod (67, 87) to a carrier element (111, 131). The displacement chamber (101) arranged between the pistons (61, 81) is connected to the two compensation chambers (102, 103) via throttle bores (76, 96) arranged in the pistons (61, 81), cf. FIG. 23 , The latter are each limited by means of a spring-loaded plate (53, 54) supported seal. The throttle channels (76, 96) are closed when retracting a piston (61, 81) by means of a respective valve (77, 97). When the individual piston (61, 81) is extended, the valve (77, 97) is opened.
  • The acceleration and deceleration device (20) comprises a support frame (22) to which in this embodiment the cylinder (43) is attached. The driving elements (111, 131) are guided by means of the supporting frame (22), wherein the parking position (121, 141) is the farthest from the cylinder (43) most distant position of the respective driving element (111, 131). The two driving elements (111, 131) engage around the supporting frame (22) and are interconnected by means of a tension spring (32). In this embodiment, with a sliding door leaf length of 600 millimeters, the sum of the piston strokes is 15% of the sliding door leaf length.
  • The procedures for opening and closing are analogous to those associated with the FIGS. 5 to 9 for a pneumatic device (20) described operations. For example, in a hydraulic device (20) the deceleration is speed proportional. That means at a high speed the sliding door leaf (2) this experiences a high delay. However, if the sliding door panel (2) is opened or closed at low speed, this movement will be only slightly delayed.
  • The described acceleration and deceleration devices (20) can also be arranged on the stationary part of the guide device (10). The one or more actuators (11, 12) then sit on the moving part.
  • Combinations of the described embodiments are conceivable.
  • LIST OF REFERENCE NUMBERS
  • 1
    Surroundings
    2
    sliding sheet
    3
    door frame
    4
    doorway
    5
    vertical frame part
    6
    Door sheet receiving
    8th
    guide channel
    9
    Türblatthub
    10
    guidance system
    11
    Guide part, fixed; left actuator; bolt
    12
    Guide part, fixed; right actuator; bolt
    13
    fasteners
    14
    Guide part, movable; second guide part
    15
    Adapter, adapter component
    16
    Group of leadership roles
    17
    guide rollers
    20
    Acceleration and deceleration device, device
    21
    cylinder tube
    22
    supporting frame
    25
    guide rollers
    26
    storage
    27
    Through Hole
    28
    casing
    31
    accelerator
    32
    Energy storage, compression spring
    33
    central section of (32)
    34
    external sections of (32)
    41
    delay means
    42
    Cylinder-piston unit
    43
    cylinder
    44
    Cylinder interior
    45
    inner cylinder
    46
    front
    47
    front
    48
    cylinder base
    49
    cylinder head
    51
    Piston rod seal
    52
    Piston rod seal
    53
    spring loaded plate
    54
    spring loaded plate
    61
    piston
    62
    Piston bottom part
    63
    Piston head
    64
    free space
    65
    reception area
    66
    abutment
    67
    piston rod
    68
    Piston rod head
    69
    pole
    71
    Piston sealing element, sealing element
    72
    Piston sealing element, shaft seal
    73
    clamping
    74
    inner collar
    75
    ring groove
    76
    orifices
    77
    Valve
    81
    piston
    82
    Piston bottom part
    83
    Piston head
    84
    free space
    85
    reception area
    86
    abutment
    87
    piston rod
    88
    Piston rod head
    91
    Piston sealing element, sealing element
    92
    Piston sealing element, shaft seal
    93
    clamping
    94
    inner collar
    95
    ring groove
    96
    orifices
    97
    Valve
    101
    displacement space
    102
    compensation space
    103
    compensation space
    111
    driving element
    112
    Mounting sink
    113
    driving surfaces
    114
    driving surfaces
    115
    open space
    121
    parking position
    122
    End position, facing away from (121)
    123
    Hub of (111)
    131
    driving element
    132
    Mounting sink
    133
    driving surfaces
    134
    drive surface
    135
    open space
    141
    parking position
    142
    End position, facing away from (141)
    143
    Stroke of (131)
    151
    frame part
    152
    guide part
    153
    guide part
    154
    slots
    155
    curved area of (154)
    156
    bevel
    157
    depression
    161
    frame part
    162
    guide part
    163
    guide part
    164
    slots
    165
    curved area of (164)
    166
    bevel
    167
    depression

Claims (8)

  1. Acceleration and deceleration assembly (20) comprising energy storage means (32) coupled to an entrainment member (111; 131) and at least one piston (61; 81) guided within a cylinder (43) by means of entrainment member (111; 131), characterized by
    - a second entrainment member (131; 111) either guiding another piston (81; 61) separate from the aforesaid piston (61; 81) within cylinder (43), or guiding cylinder (43) relatively to said first-mentioned piston (61; 81); and by
    - said second entrainment member (131; 111) being coupled to said first-mentioned energy storage means (32).
  2. Acceleration and deceleration assembly (20) as claimed in claim 1, characterized in that the sum total of the strokes of entrainment members (111, 131) is greater than the length of interior cavity (44) of said cylinder.
  3. Acceleration and deceleration assembly (20) as claimed in claim 1, characterized in that each piston (61; 81) separates a displacement space (101) from an equalization space (102; 103) in dependence on its stroking direction relative to cylinder (43).
  4. Acceleration and deceleration assembly (20) as claimed in claim 1, characterized in that both pistons (61, 81) delimit a common displacement space (101).
  5. Acceleration and deceleration assembly (20) as claimed in claim 1, characterized by comprising hydraulic decelerating means (41).
  6. Sliding door assembly comprising a door leaf (2) and acceleration and deceleration means (20) as claimed in claim 1.
  7. Sliding door assembly as claimed in claim 6, characterized in that the length of sliding door leaf (2) is smaller than or equal to 600 mm.
  8. Sliding door assembly as claimed in claim 6, characterized in that the sum total of strokes (123, 143) of entrainment members (111, 131) is greater than 15 % of the length of sliding door leaf (2).
EP09711259A 2008-02-13 2009-02-13 Acceleration and deceleration device having two driving elements Active EP2247812B1 (en)

Priority Applications (2)

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DE102008009046.8A DE102008009046B4 (en) 2008-02-13 2008-02-13 Acceleration and deceleration device with two driving elements
PCT/DE2009/000200 WO2009100717A1 (en) 2008-02-13 2009-02-13 Acceleration and deceleration device having two driving elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL09711259T PL2247812T3 (en) 2008-02-13 2009-02-13 Acceleration and deceleration device having two driving elements

Publications (2)

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EP2247812A1 EP2247812A1 (en) 2010-11-10
EP2247812B1 true EP2247812B1 (en) 2012-12-26

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US (1) US8418406B2 (en)
EP (1) EP2247812B1 (en)
JP (1) JP5559064B2 (en)
DE (1) DE102008009046B4 (en)
ES (1) ES2404004T3 (en)
PL (1) PL2247812T3 (en)
WO (1) WO2009100717A1 (en)

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EP2247812A1 (en) 2010-11-10
JP2011511894A (en) 2011-04-14
US20110023370A1 (en) 2011-02-03
ES2404004T3 (en) 2013-05-23
US8418406B2 (en) 2013-04-16
WO2009100717A1 (en) 2009-08-20
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DE102008009046A1 (en) 2009-09-03
PL2247812T3 (en) 2013-06-28

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