• 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:
    The invention relates to a tensioner roller device (1) for a torque transmission element. This device comprises at least one bearing (3) with an inner ring (32), an outer ring (31) and at least one row of rolling elements (33; 34) between the inner (32) and outer (31) rings. , a pulley (2) surmounting the outer ring (31), and a fixing screw (4) comprising a body (41), dedicated to be inserted into a central bore (32b) of the inner ring (32), and a screw head (42). A stop (6a) is provided at the outer periphery of the body (41) of the screw (4) and a first stop (5a) and a second stop (5b) are provided at the bore (32b) of the inner ring ( 32). The axial length (L4) between the head (42) and the stop (6a) of the screw (4) is equal to the axial length (L2) between a radial edge (32f) of the inner ring (32) against which the head (42) of the screw (4) is intended to come into contact and the first stop (5a) in the bore (32b) of the inner ring (32). The axial length (L4) between the head (42) and the stop (6a) of the screw (4) is strictly greater than the axial length (LO) between a radial edge (32d) of the inner ring (32) opposite to the head (42) of the screw (4) and the second stop (5b) in the bore (32b) of the inner ring (32). The stop (6a) of the screw (4) comes into contact with the first stop (5a) of the inner ring (32) during the insertion in the desired direction of the body (41) of the screw (4) in the boring (32b) of the inner ring (32) but comes into contact with the second stop (5b) of the inner ring (32) upon insertion in the unwanted direction of the body (41) of the screw (4) ).
    公开号:FR3020107A1
    申请号:FR1400924
    申请日:2014-04-17
    公开日:2015-10-23
    发明作者:Nicolas Tronquoy；Frederic Liege；Dirk Albrecht
    申请人:SKF AB；
    IPC主号:
    专利说明:

    [0001] The present invention relates to the field of tensioning or retracting rollers designed to cooperate with a torque transmission element such as a chain or a belt, for example a timing belt of a combustion engine. internal combustion of a motor vehicle.
    [0002] Such tensioning rollers or retractors are generally used to permanently maintain a tension on the torque transmission element in a specific range or to locally modify the path taken by it. In such rollers, a pulley is rotatably mounted on an axis by means of a bearing, the roller then being attached directly or indirectly to the engine block or to an element of the tensioner roller device, for example an articulated arm or an eccentric. In general, it is known to provide the rolling of a central bore in which a threaded screw is inserted, said screw being intended to be screwed into a tapped opening provided on a wall of the engine block so as to ensure the fixing of the roller on the engine block. Or the tensioner roller comprising the pulley and the bearing can be preassembled on the manufacturer's site and then be delivered as a building module at the automotive engine assembly site, where the screw is then inserted for the final fixing of the roller on its support . However, if a roller is asymmetrical, that is to say having its two different radial edges, the insertion of the screw by the radial edge which is not provided for this purpose can cause mounting defects. For example, a border of the roller may be provided with an opening so as to receive all or part of a head of the screw. If the screw is inserted through the other edge, the threaded portion of the screw body opening on the other side has a greatly reduced length. Thus the screw can only cooperate with a few threads with the threaded bore of the roller support, resulting in unsuitable attachment to shocks and vibrations. - 2 - It is these problems that more particularly respond to the invention by proposing a new tensioner roller or simple winder to produce and mount, with a reduced number of elements, ensuring easy mounting of the screw.
    [0003] To this end, the invention relates to a tensioner roller device for a torque transmission element comprising at least one bearing with an inner ring, an outer ring and at least one row of rolling elements between the inner and outer rings. , a pulley surmounting the outer ring and a fixing screw provided with a body dedicated to be inserted into a central bore of the inner ring and a screw head. According to the invention, a stop is provided at the outer periphery of the body of the screw and a first abutment and a second abutment are provided for the bore of the inner ring. The axial length between the head and the abutment of the screw is equal to the axial length between a radial edge of the inner ring against which the head of the screw is intended to come into contact and the first stop in the bore of the ring. interior. The axial length between the head and the abutment of the screw is strictly greater than the axial length between a radial edge of the inner ring opposite the head of the screw and the second stop in the bore of the inner ring. The abutment of the screw comes into contact with the first stop of the inner ring when inserted in the desired direction of the body of the screw in the bore of the inner ring but comes into contact with the second stop of the inner ring. upon insertion in the unwanted direction of the body of the screw. Thanks to the invention, when the screw is inserted in the desired direction in the central bore of the inner ring, it fits completely into the bore until the end of the screw head against a radial edge of the ring. inside and until the stop of the screw is in contact with the first stop of the inner ring. By cons when the screw is not inserted in the desired direction in the central bore of the inner ring, it does not fully integrate into the bore because the stop of the screw comes into contact with the second stop of the inner ring but without the screw head coming into contact against a radial edge of the inner ring. - 3 - In this case, the end of the screw bearing the head then spring all or part of the bore without the possibility of entering, thus giving the operator an improper insertion of the screw. The combination of these means forms a foolproof system for inserting the screw into the tensioner roller device. According to advantageous but non-mandatory aspects of the invention, such a tensioner or reel device may incorporate one or more of the following features taken in any technically permissible combination: The rolling elements of the bearing are balls. The rolling elements are rollers or needles. - The rolling elements of the bearing are held more or less evenly spaced circumferentially by a cage. The outer race of the bearing forms the pulley of the roller device, so that the outer cylindrical surface of the outer ring cooperates with the torque transmission member. - The inner ring comprises on a radial edge an opening whose diameter and depth are adapted to receive all or part of a head of the screw so that the end of said screw head does not extend axially beyond of the bearing and / or the pulley. The first abutment and the second abutment formed in the central bore of the inner race consist of a first shoulder and a second shoulder respectively formed at the axial ends of a bearing whose inside diameter is smaller than the inside diameter of the bore. The abutment formed on the body of the fixing screw consists of a shoulder formed at an axial end of a bearing outer diameter greater than the outer diameter of the body of the screw. The inside diameter of the bearing in the inner bore of the inner ring is substantially equal to the outside diameter of the corresponding bearing of the body of the screw. The position of each stop of the bearing in the bore of the inner ring is defined by an axial distance between the position of said stop and the radial edge of the inner ring located opposite the head of the screw. The positional ratio between this axial position distance of the abutment and the axial length of the inner bore, between the radial edge of the inner ring located opposite the head of the screw and the radial edge of the inner ring. against which the head of the screw is intended to come into contact, is between 0 and 0.5. - The position of the first stop of the bearing in the bore of the inner ring is positioned at a positional ratio preferably equal to 0.35. - The position of the second stop of the bearing in the bore of the inner ring is positioned at a positional ratio preferably equal to 0. The second stop is a shoulder formed at the junction between the bearing in the bore and the radial edge of the inner ring located opposite the head of the screw, the body of the screw comprises a smooth portion located near the head of the screw and a threaded portion located opposite the head of the screw. The smooth portion and the threaded portion are located on either side of the stop of the screw. The first threads of the threaded portion start in the immediate vicinity of the stop of the screw. - The axial length of the threaded portion of the screw is less than or equal to the total axial length of the inner bore of the inner ring. - The axial length of the threaded portion of the screw is less than or equal to the difference between the total axial length of the inner bore of the inner ring and the axial distance between the second stop position and the radial edge of the inner ring. located opposite the head of the screw.
    [0004] The invention also relates to an internal combustion engine comprising at least one tensioner roller device or winder for torque transmission element according to one of the embodiments mentioned above. The invention will be better understood and other advantages thereof will appear more clearly in the light of the following description of two single embodiments having a tensioner roller device or winder according to its principle, given only by way of example and with reference to the accompanying drawings: Figure 1 shows a sectional view of a roller with a screw according to a first embodiment; - Figure 2 shows a sectional view of the tensioning roller so as to present the various geometrical parameters; FIG. 3 shows the screw according to the first embodiment so as to present the different geometrical parameters; and - Figure 4 shows a screw according to a second embodiment. A tensioning roller or retractor is referenced 1 as a whole and is of central axis Xl. The roller 1 comprises a pulley 2, a bearing 3 and a fixing screw 4, these elements being coaxial with the axis X1 in normal operating mode. The screw 4 comprises the body 41 in the form of a rod and a head 42 at one of the free ends of the body 41. The body 41 has a smooth portion 41a, whose outer cylindrical surface is smooth, near a head 42. The body 41 also has a threaded portion 41b opposite said head 42. The pulley 2 comprises an outer portion 21 having an outer cylindrical surface for cooperating with a torque transmitting member (not shown) such as a belt or chain. The pulley 2 also comprises an axial inner portion 22 and a radial annular intermediate portion 23 connecting said inner 22 and outer 21 portions. The inner 22 and outer 21 portions are coaxial with the X 1 axis. The inner part 22 comprises a bore 22a in which the bearing 3 is mounted. The bearing 3 comprises an inner ring 31, an outer ring 32, two rows of rolling elements 33 and 34, here balls, arranged in parallel planes. maintained respectively by cages 35 and 36, and two seals 37 and 38. - 6 The outer ring 31 comprises an outer cylindrical surface 31a in shape with the bore 22a of the pulley 2. Preferably, the pulley 2 is molded on the outer ring 31. The outer ring 31 also comprises a bore 31b in which are formed raceways for the rolling elements 33 and 34 and grooves in which are fitted the seals 37 and 38, said seals forming a static seal with the outer ring 31 rotating. The inner ring 32 comprises an outer cylindrical surface 32a in which are formed raceways for the rolling elements 33 and 34 and grooves for contacting the seals 37 and 38, said seals forming a dynamic seal with the ring inner 32 non-rotating. The outer ring 31 is delimited axially by two radial rims 31c and 31d front and the inner ring is defined axially by two radial edges 32c and 32d front so that said edges are respectively aligned axially. The inner ring 32 also comprises a cylindrical bore 32b through which is inserted a body 41 of the fixing screw 4.
    [0005] The bore 32b is a central opening passing axially right through the inner ring 32 and opens at each of its ends at the radial edges 32c and 32d. The threaded portion 41b of the body 41 is projecting axially with respect to the radial rim 32d of the inner ring 32 and is intended to be inserted into a threaded hole formed in a part intended to support the roller 1, in particular a wall of a motor block for a motor vehicle. Axially on the opposite side, the inner ring comprises an opening 32e at the radial edge 32c whose diameter and depth are adapted to receive all or part of the head 42 of the screw 4 so that the end of said head 42 of screws does not extend axially beyond the pulley 2. It can also be provided that the opening 32e is dimensioned such that the head 42 extends axially beyond the radial edge 32c. The opening 32e defines a radial edge 32f intended to be in contact with the head 42 once the screw 4 inserted entirely into the bore 32b. The axial length between the borders 32c and 32f is denoted L3. With such an arrangement, it is possible to reduce the axial size of the roller 1 mounted on its support and the weight of the assembly. According to the invention, the bore 32b of the inner ring 32 comprises a first stop 5a and a second stop 5b. These two stops 5a, 5b consist of a first shoulder and a second shoulder respectively formed at the axial ends of a bearing 5c whose inner diameter D5 is smaller than the inner diameter D32 of the bore 32b. The positions of the two stops 5a, 5b of the bearing 5c in the bore 32b of the inner ring 32 are defined by axial distances L1 and LO respectively between the position of said stop 5a, 5b and the radial edge 32d of the inner ring. 32 located opposite the head 42 of the screw 4. The axial length L for receiving the body 41 of the screw 4 in the inner bore 32b is defined between the radial edge 32d of the inner ring 32 located at opposite the head 42 of the screw 4 and the radial edge 32f of the inner ring 32 against which the head 42 of the screw 4 is intended to come into contact. In the example shown in Figures 1 and 2, the position of the first stop 5a in the bore 32b is such that the ratio between the axial distance L1 of the abutment 5a and the axial length L is equal to 0.35. The axial length L2 is defined as the distance between the first stop Sa in the bore 32b and the radial edge 32f of the inner ring 32 against which the head 42 of the screw 4 is intended to come into contact. The axial length L for the reception of the body 41 of the screw 4 in the internal bore 32b is therefore equal to the sum of the axial lengths L 1 and L 2. The total axial length of the bore is equal to the sum of the axial lengths L and L3. The second stop 5b is a shoulder formed at the junction between the bearing Sc in the bore 32b and the radial edge 32d of the inner ring 32 located opposite the head 42 of the screw 4, the axial length LO being zero . According to the invention, the outer periphery of the body 41 of the screw 4 comprises a stop 6a. The abutment 6a consists of a shoulder formed at an axial end of a bearing 6c of outside diameter D6 greater than the outside diameter D41 of the body 41 of the screw 4.
    [0006] The smooth portion 41a and the threaded portion 41b are located on either side of the abutment 6a of the screw 4. In the example of Figures 1 and 3, the smooth portion 41a is carried by the bearing 6b. The first threads of the threaded portion 41b start in the immediate vicinity of the abutment 6a of the screw 4. The inner diameter D5 of the bearing 5c in the inner bore 32b of the inner ring 32 is substantially equal to the outer diameter D6 of the corresponding bearing 6b of the body 41 of the screw 4. The inner diameter D32 of the inner bore 32b of the inner ring 32 is substantially equal to the outside diameter D41 of the body 41 of the screw 4. The axial length L4 between the head 42 and the stop 6a of the screw 4 is equal to the axial length L2 between the radial edge 32f of the inner ring 32 against which the head 42 of the screw 4 comes into contact and the first stop 5a in the bore 32b of the inner ring 32. Thus, when the screw 4 is inserted in the desired direction in the bore 32b, it fully integrates into the bore 32b to the stop of the head 42 of screws 4 against the radial edge 32f of the inner ring 32 and up u'à contact the abutment 6a of the screw 4 against the first stop 5a of the inner ring 32. The axial length L4 between the head 42 and the stop 6a of the screw 4 is strictly greater than the axial length LO between the edge radial 32d of the inner ring 32 opposite the head 42 of the screw 4 and the second 25 stop 6b in the bore 32b of the inner ring 32. Thus, when the screw 4 is not inserted in the desired direction in the 32b bore, it does not fully integrate into the bore 32b because the stop 6a of the screw comes into contact with the stop second stop 5b of the inner ring 32 located at a distance less than the length necessary to fully insert the portion of 30 screws 4 between the head 42 and the stop 6a. In this case, the head 42 of the screw 4 leaves the bore 32b and can not be inserted deeper thereby forming a keying means. In the example of Figures 1 and 2 in which the second stop 5b consists of a shoulder formed at the junction between the bearing 5c in the bore 32b and the radial edge 32d of the inner ring 32 located opposite of the head 42 of the screw 4, the abutment 6a of the screw 4 is then brought into contact against said shoulder 5b at the edge 32d of the inner ring 32.
    [0007] The threaded portion 41b of the screw 4 has an axial length L5 such that it is strictly greater than the axial length LI between the first stop 5a and the radial edge 32d, so as to project axially with respect to the radial rim 32d of the inner ring 32. This axial length L5 of the threaded portion 41 is also less than or equal to the total axial length of the inner bore of the inner ring, which is equal to the sum of the axial lengths L1, L2 and L3. Thus, when the screw 4 is inserted in the unintended direction in the bore 32b, the threaded portion 41b is only at least partially projecting axially relative to the radial edge 32c of the inner ring. In the example of Figures 1 and 2 wherein the second abutment 5b consists of a shoulder formed at the junction between the bearing 5c in the bore 32b and the radial edge 32d of the inner ring 32 located opposite the head 42 of the screw 4, the threaded portion 41b does not extend axially beyond the radial edge 32c in such a case. In case of incorrect insertion of the screw, it then becomes impossible to insert it into a tapped hole provided for example in a motor block wall part for a motor vehicle, and therefore the tensioner roller 1 can not be fixed. According to a second embodiment shown in FIG. 4, in which the identical elements have the same references, the screw 4 differs from the previous embodiment in that the bearing 6b has a first shoulder 6a forming a stop for the insertion of said screw 4 in the bore 32b of the inner ring 32, and a second shoulder 6c. According to a third embodiment shown in FIG. 5, in which the identical elements have the same references, the roller 1 differs from the previous embodiment in that the second stop Sb is a shoulder of the bearing 5c inside the housing. 32b bore at an axial length LO non-zero. Preferably, the axial length L5 of the threaded portion 41b of the screw 4 is less than or equal to the difference between the total axial length of the bore 32b (L1 + L2 + L3) and the axial distance LO of position of the second stop 5b, corresponding to the axial distance between the second stop 5b of the bearing 5c in the bore 32b of the inner ring 32 and the radial edge 32c of the inner ring 32. Thus, whatever the position of the second stop 5b in the bore 32b, the threaded portion 41b does not extend axially beyond the radial edge 32c in case of mis-insertion of the screw. The technical characteristics of the embodiments and variants envisaged above can be combined with each other.
    权利要求:
    Claims (10)
    [0001]
    REVENDICATIONS1. Tensioner or take-up roller device (1) for a torque transmission element comprising: - at least one bearing (3) with an inner ring (32), an outer ring (31) and at least one row of rolling elements ( 33, 34) between the inner (32) and outer (31) rings, - a pulley (2) surmounting the outer ring (31), - and a fixing screw (4) comprising a body (41), dedicated to being inserted in a central bore (32b) of the inner ring (32), and a screw head (42), characterized in that a stop (6a) is provided at the outer periphery of the body (41) of the screw (4) and a first stop (5a) and a second stop (5b) are provided at the bore (32b) of the inner ring (32) such that: the axial length (L4) between the head (42) ) and the stop (6a) of the screw (4) is equal to the axial length (L2) between a radial edge (32f) of the inner ring (32) against which the head (42) of the screw (4) e st intended to come into contact and the first stop (5a) in the bore (32b) of the inner ring (32), and the axial length (L4) between the head (42) and the stop (6a) of the screw (4) is strictly greater than the axial length (LO) between a radial edge (32d) of the inner ring (32) opposite the head (42) of the screw (4) and the second stop (5b) in the boring (32b) of the inner ring (32), the stop (6a) of the screw (4) coming into contact with the first stop (5a) of the inner ring (32) during insertion in the direction desired the body (41) of the screw (4) in the bore (32b) of the inner ring (32) but coming into contact with the second stop (Sb) of the inner ring (32) upon insertion in the unwanted direction of the body (41) of the screw (4).
    [0002]
    2. Device according to claim 1 characterized in that the inner ring (32) comprises on a radial edge (32c) an opening (32e) whose diameter and depth (L3) are adapted to receive all or part of a head (42) of the screw (4) so that the end of said head (42) does not extend axially beyond the bearing (3) and / or the pulley (2).
    [0003]
    3. Device according to any one of the preceding claims characterized in that the first stop (5a) and the second stop (5b) formed in the central bore (32b) of the inner ring (32) consist of a first shoulder and a second shoulder respectively formed at the axial ends of a bearing (5c) whose inside diameter (D5) is smaller than the inside diameter (D32) of the bore (32b).
    [0004]
    4. Device according to any one of the preceding claims characterized in that the abutment (6a) formed on the body (41) of the screw (4) consists of a shoulder formed at an axial end of a bearing (6b) of outer diameter (D6) greater than the outer diameter (D41) of the body (41) of the screw (4).
    [0005]
    5. Device according to any one of the preceding claims characterized in that the position of each stop (5a; 5b) of the bearing in the bore of the inner ring is defined by an axial distance (L1; LO) between the position of said abutment (5a; 5b) and the radial edge (32d) of the inner ring (32) located opposite the head (42) of the screw (4) so that the positional ratio between this axial distance (L1; LO) of the stop position (5a; 5b) and the axial length (L1 + L2) of the inner bore (32b) between the radial edge (32d) of the inner ring (32) located at the opposite the head (42) of the screw (4) and the radial edge (32f) of the inner ring (32) against which the head (42) of the screw (4) is intended to come into contact, is included between 0 and 0.5.
    [0006]
    6. Device according to any one of the preceding claims characterized in that the second stop (5b) is a shoulder formed at the junction between the bearing (5c) in the bore (32b) and the radial edge (32d) of the inner ring (32) opposite the head (42) of the screw (4).
    [0007]
    7. Device according to any one of the preceding claims characterized in that the first threads of the threaded portion (41b) begin in the immediate vicinity of the stop (6a) of the screw (4).
    [0008]
    8. Device according to any one of the preceding claims characterized in that the axial length (L5) of the threaded portion (41b) of the screw (4) is less than or equal to the total axial length (L1 + L2 + L3) the inner bore (32b) of the inner ring (32).
    [0009]
    9. Device according to claim 8 characterized in that the axial length (L5) of the threaded portion (41b) of the screw (4) is less than or equal to the difference between the total axial length (L1 + L2 + L3) of the inner bore (32b) of the inner ring (32) and the axial distance (LO) between the second stop position (5b) and the radial edge (32d) of the inner ring (32) opposite the the head (42) of the screw (4).
    [0010]
    An internal combustion engine comprising at least one tensioner or reel device (1) for a torque transmission member according to any one of the preceding claims.
    类似技术:
    公开号 | 公开日 | 专利标题
    FR3020107A1|2015-10-23|ROLLER OR ROLLER DEVICE
    FR3029586A1|2016-06-10|PULLEY DEVICE
    FR3018887A1|2015-09-25|ROLLER OR ROLLER DEVICE
    WO2009060150A1|2009-05-14|Tensioning roller or winder device
    FR2932863A1|2009-12-25|PULLEY DEVICE FOR TENDER ROLLER OR ROLLER.
    EP1470428A1|2004-10-27|Mounting bracket, roller bearing and corresponding assembly method
    FR2954437A1|2011-06-24|PULLEY DEVICE FOR TENDER ROLLER OR ROLLER.
    CA2607875A1|2008-04-20|Idler pulley or roller device
    FR3013092A1|2015-05-15|PULLEY DEVICE FOR CHAIN OR BELT AND MOTOR VEHICLE EQUIPPED WITH SUCH A DEVICE
    FR3036151B1|2019-06-21|PULLEY DEVICE FOR CHAIN OR BELT AND MOTOR VEHICLE EQUIPPED WITH SUCH A DEVICE
    FR3037115A1|2016-12-09|PULLEY DEVICE FOR TILT ROLLER OR ROLLER
    WO2003071284A2|2003-08-28|Monitored roller bearing
    FR3018886A1|2015-09-25|ROLLER OR ROLLER DEVICE
    FR2946108A1|2010-12-03|INSTRUMENT BEARING, ROLLING ASSEMBLY AND ROTATING ELECTRICAL MACHINE COMPRISING SUCH A BEARING OR SUCH ASSEMBLY.
    FR2991739A1|2013-12-13|PENDULUM DAMPING DEVICE WITH STABILIZED BEARING ELEMENT
    FR3082908A1|2019-12-27|PULLEY DEVICE FOR TENSIONER OR ROLLER
    FR3080422A1|2019-10-25|PULLEY DEVICE FOR TILT ROLLER OR ROLLER
    FR3039864A1|2017-02-10|METHOD OF MANUFACTURING A PULLEY DEVICE, PULLEY DEVICE ACCORDING TO SUCH A MANUFACTURING PROCESS AND MOTOR EQUIPPED WITH SUCH PULLEY
    FR3023892A1|2016-01-22|PULLEY DEVICE FOR CHAIN OR BELT
    FR3020108A1|2015-10-23|ROLLER OR ROLLER DEVICE
    FR3090060A1|2020-06-19|Pulley device
    FR3057927B1|2019-08-16|TORSION DAMPER AND MOTOR VEHICLE
    WO2018015633A1|2018-01-25|Transmission housing, and vehicle comprising a housing of said type
    EP2818745A1|2014-12-31|Bearing ring
    FR3098875A1|2021-01-22|Pulley device
    同族专利:
    公开号 | 公开日
    US20150300463A1|2015-10-22|
    DE102015206842A1|2015-10-22|
    CN105041400A|2015-11-11|
    BR102015008653A2|2018-02-27|
    FR3020107B1|2016-04-01|
    JP2015206461A|2015-11-19|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    JP2004150564A|2002-10-31|2004-05-27|Toyota Motor Corp|Foreign matter entry preventing mechanism and shielding plate|
    WO2004067999A1|2003-01-25|2004-08-12|Ina-Schaeffler Kg|Modular unit comprising a bush for chain drives|
    DE102007039131A1|2007-08-18|2009-02-19|Schaeffler Kg|Deviating roller comprises a rotationally symmetrical spacer sleeve providing a supporting function for a rolling bearing forming a base part which is combined with a separate sealing element and/or covering element enclosing the base part|
    FR2923281A1|2007-11-06|2009-05-08|Skf Ab|ROLLER OR ROLLER DEVICE|
    US20090197724A1|2008-01-08|2009-08-06|Young James D|Captive fastener apparatus for chain guide or tensioner arm|
    DE102009048287A1|2009-10-05|2011-04-07|Schaeffler Technologies Gmbh & Co. Kg|Holding device i.e. rotary holder, for holding hydraulic clamping system of traction mechanism drive that drives e.g. water pump of internal combustion engine, has screw for enclosing bearing area, where fastening lug is supported at area|
    CN203272722U|2013-05-06|2013-11-06|东风汽车公司|Dustproof and waterproof assembly for idle wheel|
    US10274013B2|2011-11-16|2019-04-30|Roller Bearing Company Of America, Inc.|Cam follower with tire having axial movement compensating features|
    FR3023892B1|2014-07-17|2017-12-01|Skf Ab|PULLEY DEVICE FOR CHAIN OR BELT|
    JP1608027S|2017-10-17|2018-07-02|
    FR3079584A1|2018-04-03|2019-10-04|Aktiebolaget Skf|PULLEY DEVICE FOR TILT ROLLER OR ROLLER|
    FR3082908B1|2018-06-26|2020-06-19|Aktiebolaget Skf|PULLEY DEVICE FOR TENSIONER OR ROLLER|
    法律状态:
    2015-04-30| PLFP| Fee payment|Year of fee payment: 2 |
    2016-04-27| PLFP| Fee payment|Year of fee payment: 3 |
    2017-04-28| PLFP| Fee payment|Year of fee payment: 4 |
    2018-05-02| PLFP| Fee payment|Year of fee payment: 5 |
    2019-04-29| PLFP| Fee payment|Year of fee payment: 6 |
    2020-04-29| PLFP| Fee payment|Year of fee payment: 7 |
    2021-04-27| PLFP| Fee payment|Year of fee payment: 8 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1400924A|FR3020107B1|2014-04-17|2014-04-17|ROLLER OR ROLLER DEVICE|FR1400924A| FR3020107B1|2014-04-17|2014-04-17|ROLLER OR ROLLER DEVICE|
    CN201510175037.2A| CN105041400A|2014-04-17|2015-04-14|Tensioning roller or winder device|
    US14/688,001| US20150300463A1|2014-04-17|2015-04-16|Idler or roller device|
    JP2015084003A| JP2015206461A|2014-04-17|2015-04-16|Tensioning roller or winder device|
    BR102015008653-9A| BR102015008653A2|2014-04-17|2015-04-16|TENSION ROLLER OR WRAPPING DEVICE|
    DE102015206842.0A| DE102015206842A1|2014-04-17|2015-04-16|Tensioning or winding device|
    [返回顶部]