• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    windshield wiper device. the present invention relates to a windshield wiper for motor vehicle with a wiper motor with at least one wiper bearing in which a wiper shaft is integrated which can be driven for the purpose of activating a wiper arm, united with the wiper shaft, by means of the wiper motor, and the wiper bearing has a mounting pin (4) to receive a support (1) in tubular format, which through a clamping process can be secured in the tubular support (1) characterized by the fact that the mounting pin (4) has an external contour (5), which already before the application of the clipping, at least one region of intersection with the clipping is shaped correspondingly to an inner contour (3) of the stapled tubular support (1), as well as encompassing a process for its production.
    公开号:BR112012009134B1
    申请号:R112012009134-4
    申请日:2010-08-23
    公开日:2021-07-13
    发明作者:Stefan Mai；Florian Hauser；Michael Weiler；Achim Kraus
    申请人:Robert Bosch Gmbh；
    IPC主号:
    专利说明:

    Description
    [0001] The present invention relates to a windshield wiper device for motor vehicles with a wiper motor and at least one wiper bearing in which a wiper shaft that can be driven by the wiper motor is integrated, for activating a wiper arm joined with the wiper shaft, and the wiper bearing has a mounting pin to receive a tubular support that can be fixed to the tubular support through a clamp, as well as covering a process for its production. State of the art
    [0002] Windshield wiper devices of this kind are generally known. During the stapling process, the components to be mutually fastened are exposed to a very intense deformation force in order to generate a locking connection due to the shape between the mounting pin and the tubular support. In addition to the tubular support, areas of the mounting pin material are also plastically deformed in order to achieve a correspondingly closable connection between the tubular bracket and the mounting pin. This, however, can have the consequence that the material of the mounting pin, precisely in the region of the clamping of the other part to be joined, is exposed to very intense stresses or that can result in damage to the material structure until a fatigue phenomenon of material.
    [0003] In order to reduce the force to be applied in the clamping to ensure a locking union due to the shape between the mounting pin and the tubular support, it is proposed according to the state of the art to conform so-called clamping pockets, for example, in two regions reciprocally opposite sides of the mounting pin, in the region of intersection, with the tubular support there to be fitted and secured, the geometric dimension of these pockets essentially corresponding to the dimensions of the stapling tools. After fitting the tubular holder, the clamping tools will be activated so that partial segments of the tubular holder are moved into the clamping pockets on the mounting pin and for attachment to the mounting pin will be plastically deformed. For this purpose, the tubular support, for example, steel tube, will be on the outside over the stapling tools, especially over its stapling die, in such a way that by a kind of deep embed it moves into the stapling pockets and with these on the mounting pin it becomes a lockable joint due to its shape.
    [0004] It is a disadvantage in this process that due to the plastic deformation of the tubular support precisely in the marginal regions of the clamping pockets on the mounting pin, a very intense material demand arises in relation to the mounting pin. This results in stress peaks which can result in specific stresses in the respective parts or even a fatigue of the highly stressed material of the mounting pin and possibly even a breakage of the corners of the clamping pockets. In addition, exact alignment of the stapling tools to the stapling pockets is required. This, however, is very difficult because the clipping pockets formed on the mounting pin, in assembled state of the mounting pin and the tubular support, cannot be seen from the outside.
    [0005] As normally the material of the tubular support is steel and, therefore, it requires a more intense deformation force than the material used therein of the mounting pin, which is normally produced from aluminium, zinc or plastic material, during the stapling process, an unambiguous increase in force in the deformation of the mounting pin cannot be measured either. A force-oriented stapling, varied in the different behavior of the basic material, is therefore only possible with great difficulty, so that an isolated path command must be used for the stapling process, which accompanies a greater risk of introducing peaks of tension on the mounting pin, especially with excessive clamping forces.
    [0006] It is therefore the object of the present invention to offer a windshield wiper device and a connection process that is visible, with closure due to its shape, between the mounting pin and the tubular support also with application of reduced force and manipulation simple, reducing, as far as possible, voltage peaks in the parts to be joined. Description of the Invention
    [0007] This task will be solved, according to the invention, by the fact that the mounting pin has an external contour that at least in one crossing region corresponds with the clamping being shaped to a tubular support and clamped in relation to a inner contour. Advantages of the Invention
    [0008] In other words, the shaping of the outer contour of the mounting pin, corresponding to the inner contour of the tubular support that is presented after stapling based on the consequent deformation of the tubular support, the possibility arises of controlling the stapling process in such a way. that the tubular support during clamping is plastically deformed, but at the same time the mounting pin will only be subjected to an elastic and protective material deformation. Thus, stress peaks in the marginal regions of the clampings can be reduced or even excluded, and the danger of material breakage or material fatigue of the mounting pin is clearly reduced.
    [0009] Also the forces necessary for the deformation and to be applied on the stapling tools can thus be clearly reduced, which results in an essentially increased process precision. It is even possible to make a change from a mere control of the path of the stapling process to an energy control, as it will almost exclusively be necessary to have a defined force to be applied to the deformation of the tubular support in order to achieve a reliable connection between the tubular bracket and the mounting pin.
    [00010] A coercive deformation of the mounting pin can be reduced to a minimum level and therefore the risk of damage to the mounting pin during clamping can be reduced by having the outer contour of the mounting pin beyond the region of the clamping of the tubular holder will fit the “natural” internal flexion shape of the tubular holder after stapling.
    [00011] In an example of execution of the present invention, therefore, the external contour of the mounting pin, along its entire side face, is shaped correspondingly to the internal contour of the tubular support in the region of the clamping. In this way, it is possible to mount the tubular support on the wiper bearing even with wide tolerances. It is not necessary to exactly position the stapling tool and reciprocally align the joined parts because an external contour of the mounting pin along its entire length is adequate to receive the internal support structure after stapling without stress peaks being present in this region.
    [00012] The outer contour of the mounting pin may be shaped in such a way that a surface contact between the inner contour of the tubular support and the outer contour of the mounting pin is formed only in the region of a clamping bottom formed in the clamping and the tubular support, in the remaining part, is arranged distant from the mounting pin. This has the advantage that over the entire area of the mounting pin, no more stresses are introduced outside the area of clamping part of the tubular support, that is, onto the mounting pin.
    [00013] To improve the flexural strength of the mounting pin along and transversely to its axial projection, the outer contour of the mounting pin may have fillets, specially arranged in such a way that the flexural rigidity in the horizontal projection of the pin mounting height is greater than in vertical projection.
    [00014] An example of implementation of the present invention provides for configuring the mounting pin with at least one relief cutout, especially in the form of a concavity, especially in regions of high stress that could be produced with the internal contour of the support tubular.
    [00015] The relief cut, that is, the concavity can be shaped in such a way that there is a recess in the region of the deformation produced by the clamping, especially in the region of greater deformation. The recess may be selected in such a way that the mounting pin in the marginal regions of the deformation areas of the tubular support forms a kind of sacrificial geometry that moves, in the case of too great clamping forces, due to the overcoming of intolerances for the interior of the concavity, that is, the relief cutout. In this way, an increase in the tolerance field for the stapling process is achieved. From a given point, it is thus possible, despite the progressively greater clamping forces, to produce a reduced overall change in the geometry of the construction parts, which makes it possible to make the clamping process especially flexible.
    [00016] In an example of embodiment of the present invention, the mounting pin has a cross section in the shape of a bone or butterfly. This selection of the shape offers an especially satisfactory stability of the mounting pin and provides a good distribution of stresses and, therefore, a compensation of stresses in the mounting pin also in the case of more intense clamping forces. If a gradual stapling is performed, it can be seen that the tubular support step by step becomes more angular with larger corners. In this way, a contact angle α between the tubular support and the mounting pin will be progressively smaller the steeper the flanks of the tubular support are in the clamping region. As the contact angle approaches 90° then a normal force applied by the moment of twist on the mounting pin becomes progressively smaller. In other words, the steeper the flanks of the mounting pin in relation to the tubular support are selected, the better the integration of forces and torque moments can be verified. This connection will be achieved in an especially satisfactory way in the aforementioned bone structure, that is, the butterfly of the mounting pin.
    [00017] To secure the connection between the tubular support and the mounting pin, in an example of the present execution, the mounting pin may have a cylindrical perforation of radial projection. In this perforation, after assembly and clamping of the tubular support, the mounting pin can be used, for example, a pin that locks the tubular support with the mounting pin in this position. For this purpose, openings produced in a complementary way can be formed in the tubular support. Alternatively, it is also possible to insert a pin after mounting the tubular bracket onto the mounting pin, through the interconnected components.
    [00018] Another possibility to stabilize the connection between the wiper bearing and the tubular support and conform the mounting to the greatest fault-free extent, provides for conforming in the wiper bearing an annular element projected coaxially towards the mounting pin in order to push the tubular support - to stabilize its position - on the mounting pin and its integration into the annular element. With this annular element, a final position of the tubular support at the mounting point is precisely defined, i.e. on the wiper bearing, because the bottom of the annular element can represent an abutment face of the tubular support on the wiper bearing.
    [00019] To produce a windshield wiper device according to the present invention for a motor vehicle with a wiper motor and with at least one wiper bearing, in which a wiper shaft is integrated, which is driven for activation of a wiper arm united with the wiper shaft, by the action of the wiper motor, and the wiper bearing has a mounting pin to receive a tubular support that is fixed to the tubular support by means of clamping, provides the following steps for to produce an optimized union in terms of tensions between the tubular support and the mounting pin: - the clamping of the tubular support with one or more clamping tools; - determination of an internal contour of the tubular support resulting from the stapling action; - calculation of an outer contour optimized for the tensions of the mounting pin, at the base of the inner contour of the tubular support after clamping; - producing the mounting pin in such a way that it presents an external contour, shaped at least corresponding to a region where the staple is exceeded in the direction of the internal contour of the stapled tubular support; - fitting the tubular support to the mounting pin; - clamping of the tubular support.
    [00020] The material request of the clamping pin as well as the tubular support can be kept to the greatest extent possible at a reduced level and thus the durability of the wiper bearing can be further increased, with the force acting by the clamping tool on the The union between the two pieces will be selected in such a way that the plastic deformation of the tubular support during clamping results in an elastic deformation of the inherent material of the mounting pin. In this way, a reliably closable connection between the tubular support and the mounting pin is ensured and at the same time the forces acting on the parts of the joint are minimized.
    [00021] In order to avoid stress peaks, it can also be done in an example of the process according to the invention, in regions of high stress that may be present in the regions of the external contour of the mounting pin, especially in the region of surface contact with the inner contour of the tubular support, at least one relief cutout can be formed.
    [00022] To enable the most flexible use of the stapling tools as possible, also for different arrangements of the stapling pockets, for example, for fixing the right and left wiper bearing in an example of execution, two stapling tools can be used that can be used be adjusted separately. Clamping by at least two separately adjustable clamping tools makes it possible to tailor clamping in the direction of a wiper bearing demand.
    [00023] With respect to other advantageous embodiments of the present invention, reference is made to the embodiments as well as to the attached drawings that will be explained below. BRIEF DESCRIPTION OF THE DRAWINGS The figures show: figure 1 - schematic representation in section of a tubular support with a stapling tool featuring four stapling dies; figure 2 - tubular support according to figure 1 after stapling; figure 3 - schematic presentation of a mounting pin that is integrated in the tubular support, before clamping; Figure 4 - alternative embodiment of a mounting pin with a cross-section in the shape of a bone and a butterfly; figure 5 - the mounting pin with the tubular support after clipping; and figure 6 - another mounting pin according to the invention on a tubular support before clamping. Ways of Carrying Out the Invention
    [00024] Figure 1 shows a schematic cross-section of a tubular support 1 of a windshield wiper device for motor vehicle not shown in more detail.
    [00025] A stapling tool is provided for in the tubular support 1 that covers four stapling dies 2. The stapling dies 2 are positioned in such a way that a back-slack is suitable for the deformation of the circular cross section produced by the clamping in the tubular support 1, that is, back-sagging δ and deformation are minimal.
    [00026] In its original form, the tubular support 1 has a circular cross section with an internal contour 3 which is deformed in some regions by applying a force Fcrimp on the clamping dies 2, so that after the stapling process it passes to show a shape as shown in figure 2. According to the state of the art, in the tubular support 1, as in figures 1 and 2, a mounting pin will be introduced whose transverse face is essentially circular and whose external contour essentially follows the 3 inner contour of 1 tubular support.
    [00027] Due to the deformation forces of the clamping pin 2, high stresses in the mounting pin material are present in the prior art because the material of the mounting pin will be plastically deformed corresponding to the deformation of the inner contour of the tubular support . In order to avoid this occurrence, according to the invention, a mounting pin 2 is used as shown in figure 3 before the clamping process on the tubular support 1 . An outer contour 4 of the mounting pin 2 is shaped in such a way that it corresponds to the inner contour 3 of the tubular support 1 already in a stapled state.
    [00028] The shaping of the outer contour 4 of the mounting pin 2 corresponding to the stapled inner contour 3 of the tubular support 1 already before the stapling process opens up the possibility of controlling the stapling process in such a way that the tubular support 1 during stapling it is plastically deformed, but at the same time the mounting pin 2, during deformation, registers only an essentially protective elastic deformation of the material. In this way, stress peaks in the marginal regions of the clamping, both in the tubular support 1 and in the mounting pin 2 can be reduced or even completely eliminated, and the danger of material fatigue of the mounting pin 2 is clearly reduced.
    [00029] An especially good shape stability of the mounting pin 4 will be achieved by a mounting pin 4 with a transverse face in the shape of a bone or butterfly. This stability provides a good distribution of stresses within mounting pin 4, also in the case of more intense clamping forces. Figure 4 shows such an embodiment of a mounting pin 2 with a bone- or butterfly-shaped cross-section. The bone or butterfly shaped cross section will be achieved by forming concavity-shaped relief cutouts 6 on the mounting pin 4. By making these recesses 6 on the mounting pin 4 the elastic portion of the deformation of the internal contour 3 of the support tubular 1 will be preserved in the stapling, i.e. the inner tubular geometry 3 of the tubular support 1 does not make contact with the mounting pin 4 also during and after stapling, outside the stapling connection, i.e. a formed stapling base in the clipping by the inner contour 3 of the tubular support 1 . This ensures that unnecessary stresses are not applied to the outer contour 5 of the mounting pin 4 and therefore to the material of the mounting pin during clamping. Through the concavity 6, in this example of execution, a kind of recess is achieved within the geometry of the mounting pin 4. The recess is selected in such a way that the mounting pin in the marginal regions facing towards the tubular support 1 forms a kind of sacrificial geometry 4a captured in relief cutout 6, so that damage to an employed component can be avoided.
    [00030] To increase the effect, the flanks of the mounting pin 4 are selected in such a way with respect to the tubular support 1 that they are aligned as far as possible in a steep direction with the geometry of the tubular support 1 after clamping, in order to improve the integration of forces and torques.
    [00031] As can be seen in more detail in Figure 5, the force Fcrimp can be selected in such a way that only between the tubular support 1 and the mounting pin 2 only in the region of the clamping a surface contact K and the support 1 are produced tubular in the remaining area, is provided distanced from mounting pin 2.
    [00032] In order to obtain a union only with closure due to the shape between the tubular support 1 and the mounting pin 4, in an example of an alternative embodiment of the present invention, according to Figure 6, relief cutouts are provided in the form of concavity 6 on mounting pin 4 in order to avoid stress peaks between the two joined parts based on the deformation of the internal contour 3. In this way, the mechanical strength of mounting pin 4, also in the area of clamping, will not be impaired, which implies an increase in the reliability and quality of the lock joint due to the shape between the mounting pin 4 and the tubular support 1.
    [00033] As can be seen in more detail in Figure 6, the external contour 5 of the mounting pin 4 which in this example of execution is shaped as a hollow body, extends along its entire side face in the tubular support 1 already before of applying the stapling correspondingly to the inner contour 3 of the tubular support 1 after the stapling process. In this way it is ensured that mounting the tubular support 1 on the wiper bearing is also possible with wide tolerances. It is no longer necessary - as in the prior art - to position the stapling tool to apply the stapling precisely on an area of the mounting pin where stapling pockets are eventually provided.
    [00034] In this execution example, the staple geometry was selected in such a way that the resistance capacity against bending in the X and Y axis is expressed in a variable way, that is, the moment of resistance Bwx > By, since Bwx in this example of implementation is located in the main direction of demand of the connection between the mounting pin 4 and the tubular support 1 .
    [00035] To determine the optimal external geometry 5 of the mounting pin 4, a process according to the invention proposes to initially perform a deformation of the tubular support 1 according to figures 1 and 2 with a stapling tool in order to determine the inner contour 3 of tubular holder 1 after stapling. Then, based on the inner contour 3 of the tubular support 1 thus obtained, an outer contour 5 of the mounting pin 4 optimized for stresses will be calculated, and a mounting pin 4 will be produced in such a way that it has an outer contour 5 that already before the staple, it is formed in a region of intersection with the staple in a way corresponding to the inner contour 3 of the stapled tubular support 1 . In the mounting pin 4, as a relief cutout, a concavity 6 will be provided, which is formed in the region of greatest material expansion, i.e., material tension, exerted by the inner contour of the tubular support 1 on the material of the mounting pin 4. In this way, it is achieved that during stapling also the portion of the elastic deformation of the inner contour 3 of the tubular support 3 on the mounting pin 4 is preserved and thus also the extension of the elastic deformation of the tubular support 1 does not have to be accepted by the material of mounting pin 4, however, is already captured by concavity 6.
    [00036] Then, the tubular support 1 will be pushed onto the mounting pin 4 thus modified and the stapling tool will thus be joined so that the tubular support 1 will be deformed by the FCRIMP force of the stapling die 2. In the plastic deformation of the Tubular support 1 and elastic deformation of the mounting pin 4, therefore, there is a surface contact K in the region of the joint between the tubular support 1 and the mounting pin 4 according to figure 6.
    [00037] By the bone and butterfly shaped structure of the mounting pin it is also possible that in the region of the inversion points 9 of the flexion of the tubular support 1, after clamping, a stabilized contact region is offered than in the mounting pin 4 is shaped as the so-called sacrificial geometry so that also here, when exceeding a maximum force to be collected, compensation is achieved by this region in the mounting pin 4 without overload for the integration movement of the sacrificial geometry in the region. concavity 6. Preferably, to form a bone or butterfly shaped mounting pin a plastic material is used. Naturally, it is also possible for the mounting pin in this case to produce aluminum or another substance which has an E-module smaller than the E-module of the tubular support 1 . Based on the possibility of integrating clamping forces, mounting pin 4 will be insensitive against deviations from clamping tolerances in the outer contact region. By increasing the contact angle α up to approximately 90° the normal force acting on the contact region will be minimized and the pull demand at the inversion points of tubular support 1 during and after clamping will be reduced to 9%, so that it can the danger of overloading the inversion regions 9 of the tubular support, i.e. the mounting pin 4, is reduced or almost totally excluded.
    权利要求:
    Claims (14)
    [0001]
    1. Windshield wiper device for a motor vehicle, with a wiper motor and with at least one wiper bearing, on which a wiper shaft is mounted, which, for activating a wiper arm joined with the wiper shaft. wiper, can be activated by means of the wiper motor, and the wiper bearing has a mounting pin (4) to receive a tubular support (1) that, by means of a clip, can be secured to the support (1) tubular, with the mounting pin (4) having an external contour (5) which, already before the application of the clipping, is formed at least in a region of intersection with the clipping corresponding to an internal contour (3) of the bracket (1) tubular stapled, characterized in that the outer contour (5) of the mounting pin (4) is shaped in such a way that a surface contact (K) is formed between the inner contour (3) of the bracket (1 ) tubular and the outer contour (5) of the mounting pin (4) only in the region d and a stapling bottom, formed during stapling, and the tubular support (1), in the remaining region, is arranged distanced from the mounting pin (4).
    [0002]
    2. Windshield wiper device according to claim 1, characterized in that the outer contour (5) of the mounting pin (4), along its entire side face, is correspondingly shaped to the inner contour (3) of the tubular support (1) in the region of the clamping.
    [0003]
    3. Windshield wiper device according to claim 1 or 2, characterized in that the outer contour (5) of the mounting pin (4) is executed so that a surface contact (K) between the inner contour (3) of the tubular bracket (1) and the outer contour (5) of the mounting pin (4) is formed only in the region of a stapling bottom formed during stapling, and the tubular bracket (1) is arranged, in the remaining region, distanced from the mounting pin (4).
    [0004]
    4. Windshield wiper device according to any one of the preceding claims, characterized in that the outer contour (5) of the mounting pin (4), along its entire side face, is correspondingly shaped to the inner contour (3) of the tubular support (1), the tubular support (1) assuming said inner contour (3) in the region of the stapling after the stapling process.
    [0005]
    5. Windshield wiper device according to any one of the preceding claims, characterized in that the outer contour (5) of the mounting pin (4), to increase a flexural strength of the mounting pin (4), it has fillets along and/or transversely to the axial projection of the mounting pin (4), which are specially arranged in such a way that the flexural strength in horizontal projection of the mounting pin (4) is greater than in the vertical projection .
    [0006]
    6. Windshield wiper device according to any one of the preceding claims, characterized in that the mounting pin (4) has at least one relief cutout, especially in the form of a concavity (6).
    [0007]
    7. Windshield wiper device according to claim 6, characterized in that the relief cutout, especially in the form of a concavity (6), is shaped in such a way on the mounting pin (4) that there is at least one recess in the region of the deformation of the tubular support (1) produced by the clamping.
    [0008]
    8. Windshield wiper device according to claim 5 or 6, characterized in that the recess is so shaped in a cross section of the mounting pin (4) that it forms a sacrificial geometry for receive clamping forces on the mounting pin (4).
    [0009]
    9. Windshield wiper device according to any one of the preceding claims, characterized in that the mounting pin (4) has a transverse face in the shape of a bone or butterfly.
    [0010]
    10. Windshield wiper device according to any one of the preceding claims, characterized in that the mounting pin (4) has a radially extending cylindrical perforation.
    [0011]
    11. Windshield wiper device according to any one of the preceding claims, characterized in that an annular element is formed in the wiper bearing, coaxially arranged in relation to the mounting pin (4), in the wiper bearing, the in order to push the tubular support (1) to stabilize its position on the mounting pin (4) and to accommodate it inside the annular element.
    [0012]
    12. Process for producing a windshield wiper device for a motor vehicle with a wiper motor and at least one wiper bearing, on which a wiper shaft is mounted, which is driven to activate a joined wiper arm with the wiper shaft through the wiper motor, the wiper bearing having a mounting pin (4) to receive a tubular support (1) that is fixed to the tubular support (1) by means of clamping, as defined in any of the preceding claims, characterized in that to produce an optimized connection in relation to tensions between the tubular support (1) and the mounting pin (4), the process comprises the following steps - clamping the support (1 ) tubular with one or more stapling tools; - determining an internal contour (3) of the tubular support (1) that appears as a result of the clamping; - calculate an outer contour (5) of optimized tensions of the mounting pin (4) at the base of the inner contour (3) of the tubular support (1) after clamping; - produce the mounting pin (4) in such a way that, before the application of the clipping, it presents an external contour (5), which is shaped at least in a transition region with the clipping corresponding to the internal contour (3) of the (1) tubular stapled bracket; - push the tubular support (1) onto the mounting pin (4); - staple the tubular support (1).
    [0013]
    13. Process according to claim 12, characterized in that in areas of high stress, which may arise on the outer contour (5) of the mounting pin (4), especially in the region of surface contact (K) with the contour Internal (3) of the tubular support (1), at least one relief cutout (6) is applied.
    [0014]
    14. Process according to claim 12 or 13, characterized by the fact that the clamping takes place by at least two clamping tools (2) adjustable separately, in order to be able to adapt the clamping to a bearing request direction of the cleaner.
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    同族专利:
    公开号 | 公开日
    DE102010029105B4|2018-01-11|
    CN102574502B|2015-09-02|
    CN102574502A|2012-07-11|
    KR20120088717A|2012-08-08|
    US20120266402A1|2012-10-25|
    BR112012009134A2|2020-08-18|
    KR101721909B1|2017-03-31|
    EP2490923A1|2012-08-29|
    EP2490923B1|2019-01-16|
    US8863370B2|2014-10-21|
    DE102010029105A1|2011-04-28|
    WO2011047905A1|2011-04-28|
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    法律状态:
    2020-09-01| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-09-15| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2021-05-11| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-07-13| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 23/08/2010, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO. |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102009045879.4|2009-10-21|
    DE102009045879|2009-10-21|
    DE102009029105.6|2010-05-19|
    DE102010029105.6|2010-05-19|
    DE102010029105.6A|DE102010029105B4|2009-10-21|2010-05-19|wiper device|
    PCT/EP2010/062216|WO2011047905A1|2009-10-21|2010-08-23|Windscreen wiper apparatus|
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