Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16H—GEARING
  • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
  • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
  • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
  • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
  • F16H37/0806—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts
  • F16H37/0813—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts with only one input shaft
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01D—HARVESTING; MOWING
  • A01D34/00—Mowers; Mowing apparatus of harvesters
  • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
  • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
  • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
  • A01D34/67—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
  • A01D34/68—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
  • A01D34/6806—Driving mechanisms
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01D—HARVESTING; MOWING
  • A01D34/00—Mowers; Mowing apparatus of harvesters
  • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
  • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
  • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
  • A01D34/67—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
  • A01D34/68—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
  • A01D34/6806—Driving mechanisms
  • A01D34/6812—Braking or clutching mechanisms
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01D—HARVESTING; MOWING
  • A01D34/00—Mowers; Mowing apparatus of harvesters
  • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
  • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
  • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
  • A01D34/67—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
  • A01D34/68—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
  • A01D34/69—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels with motor driven wheels
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
  • F16D41/00—Freewheels or freewheel clutches
  • F16D41/04—Freewheels or freewheel clutches combined with a clutch for locking the driving and driven members
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16H—GEARING
  • F16H48/00—Differential gearings
  • F16H48/12—Differential gearings without gears having orbital motion
  • F16H48/16—Differential gearings without gears having orbital motion with freewheels
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16H—GEARING
  • F16H48/00—Differential gearings
  • F16H48/12—Differential gearings without gears having orbital motion
  • F16H48/19—Differential gearings without gears having orbital motion consisting of two linked clutches

Definitions

• the present invention relates to a transmission for a crane with a walking driver, and a rolling machine equipped with such a transmission.
• a transmission for a cruiser with a walking conductor of the type comprising at least one housing, preferably stationary, at least partially housing a driving member, such as an input shaft, equipped with drive motor means. rotation, a rotary driven member, such as a toothed wheel, in permanent engagement with the motor driving member, means for driving the wheels of the same pair of wheels of the machine, said drive means comprising a wheel drive shaft made in one piece or at least two coaxial wheel drive shaft sections each capable of driving a wheel of the same pair of wheels of the machine, and arranged between, the wheel drive shaft or each of the wheel drive shaft sections and the driven member, a clutch mechanism, the or each clutch mechanism being activated by the rotational drive of the wheel drive shaft.
• Such transmissions incorporate a clutch, said automatic, which does not require, for its operation, a dedicated controller, such as a fork, as is the case in traditional clutches.
• the clutch mechanism or mechanisms remain activated and it is difficult, if not impossible, to move the vehicle in reverse by rolling on the ground. The driver must then have the reflex to drive ahead of the machine until disabling the drive means to then roll the machine in reverse.
• An object of the present invention is therefore to provide a transmission of the aforementioned type whose design can easily disable the clutch mechanisms including during a sudden stop or in a side of said machine.
• the subject of the invention is a transmission for a walking-wheeled vehicle, of the type comprising at least one housing, preferably stationary, at least partially housing a driving member, such as an input shaft, equipped with rotary drive motor means, a rotary driven member, such as a toothed wheel, in permanent engagement with the motor drive member, means for driving the wheels of the same pair of wheels of the machine, drive means comprising an integral wheel drive shaft or at least two coaxial wheel drive shaft sections each capable of driving a wheel of the same pair of wheels of the apparatus, and disposed between, the wheel drive shaft or each of the wheel drive shaft sections and the driven member, a clutch mechanism, the or each clutch mechanism being activated by the rotational drive of the driven member according to a first direction of rotation drive said forward, and deactivated by the forward rotation drive of the shaft or the wheel drive shaft section with which it cooperates, when the rotation speed of the shaft or wheel drive shaft section is greater
• the driving means for driving the driving member in rotation, and consequently for the driven member are driving means with two controlled directions of rotation capable of allowing, in addition to the rotational drive of the member driven in forward movement of the driven member in a second direction of rotation opposite to said first direction of rotation and said reverse, and in that the or each clutch mechanism is of the deactivatable type by simple drive in rotation of the driven member in reverse.
• the driving means for rotating the driving member are motor means with two directions of rotation, that is to say are equipped, in addition to means for controlling the direction of rotation of the motor means in the direction of a forward drive of the driven member, rotation control means of the drive means in the direction of a drive in reverse of the driven member configured to drive the driven member into rotation in reverse, and that each clutch mechanism is of the deactivatable type at least by rotating the driven member in reverse over an angular range corresponding to one revolution of said member, the disadvantages of an automatic clutch observed in state of the art are deleted. It is sufficient to control, automatically or manually, driving in reverse of said driven member to obtain a disengagement. This results in the possibility of maintaining the advantages associated with the operation of an automatic clutch without impairing the driving of the machine.
• the or each clutch mechanism is activated by the rotational drive of the driven member in a first direction of rotation said forward drive, and an axial displacement of at least one piece of the mechanism of clutch on the wheel drive shaft or the wheel drive shaft section, with which said clutch mechanism cooperates, said workpiece being in the form of a clutch plate mounted on said shaft or the wheel drive shaft section, free to rotate and axially movable in the direction of a closer and a spacing of the driven member, said clutch plate being disposed, in the activated state, discarded of the driven member and engaged with a workpiece carried by and rotatably connected to the shaft or the drive shaft section, and, in the deactivated state, close to the driven and uncoupled member of the part carried by, and integral in rotation, of the shaft or the sectio n wheel drive shaft.
• the clutch plate and the driven member which preferably has the shape of a toothed wheel, are provided, on each of their faces, with ramps, the ramps of one face of the cooperating plate, during the phase d activation, with the ramps of the driven member for axial displacement of the clutch plate in a first direction of separation of the driven member and securing the plate with the part carried by and integral in rotation with the shaft or the wheel drive shaft section, the ramps of the another face of the cooperating plate, during the deactivation phase, with ramps of the part carried by and integral in rotation with the shaft or the wheel drive shaft section to cause by axial displacement of direction opposite of said clutch plate, the free wheeling of the shaft or the wheel drive shaft section.
• the ramps, the clutch plate and the part integral in rotation with the drive shaft or the drive shaft section, in bearing contact during the deactivation phase, by driving in rotation of the shaft or wheel drive shaft section at a speed greater than that of the driven member, and configured to cause an axial displacement of the plate in the direction of approaching the tray of the driven member are the same as the ramps, the clutch plate and the rotatably integral part of the shaft or the drive shaft section, in bearing contact during the reversing drive deactivation phase of the driven member, and configured to cause an axial displacement of the plate in the direction of approaching the tray of the driven member.
• the ramp-based solution described above makes it possible to use the same ramps for each type of deactivation. This results in a simplification of the whole.
• the means for controlling the direction of rotation of the driving means of the drive member in the direction of driving in reverse of the driven member are automatically operated control means.
• said automatically operated control means comprise means for direct or indirect detection of the stop of the rotation drive of the motor drive member, timing means configured to measure a predetermined time interval from the detection of the stop and means for transmitting a drive control signal means motors in the direction of a drive in reverse of the driven member, said means for transmitting a signal being configured to output said control signal at the end of the time interval measured by said means of delay.
• control means for controlling the direction of rotation of the motor means of the input shaft in the direction of a drive in reverse of the driven member can be manually actuated control means, formed by, for example, a push button positioned on the handlebars of the machine, the solution of control means with automatic operation is preferred because it avoids any management of the clutch mechanism by the driver of the machine.
• the transmission comprises, disposed between the drive means and the driving member formed by an input shaft, an epicyclic gear of the type comprising an inner sun gear mounted to rotate with the motor means, an outer sun gear, also called a ring gear. , fixed to the housing, satellites meshed with the planetaries and a planet carrier threaded onto the input shaft and mounted integral in rotation with said shaft.
• the invention also relates to a self-propelled machine with walking conductor such as lawn mower, characterized in that it is equipped with a transmission according to that described above.
• the subject of the invention is also a method of automatically deactivating the clutch mechanism or mechanisms of a transmission of the aforementioned type, characterized in that said method comprises, in the state not driven in rotation by the driven member, a step of deactivating said clutch mechanism (s) by automatic control of the motor means in the direction of a drive in rotation in reverse of said driven member.
• FIG. 1 represents a perspective view of a machine according to the invention.
• FIG. 2 represents a partial exploded view of the elements constituting a transmission according to the invention,
• FIG. 3 represents a partial view in longitudinal section of a transmission according to the invention
• FIG. 4 represents a partial cross-sectional view of a transmission according to the invention
• FIGS. 5 to 7 show sectional views of the housing respectively in the disengaged position of the two clutches, the driven member being driven forward, in the engaged position of one of the clutches and disengaged from the other clutch; led being driven forward, and in the disengaged position of the two clutches, the driven member being driven in reverse,
• Figures 8 and 9 respectively show sectional views of the housing equipped with a drive shaft of the wheels in one piece in the engaged position ( Figure 8) and disengaged ( Figure 9).
• the transmission which is the subject of the invention, is more particularly intended to apply to a rolling machine 1, in particular a walking machine.
• Figure 1 shows the application of such a transmission to a lawn mower.
• This lawn mower comprises a rolling chassis, the rear wheels of the chassis being shown at 7A, 7B in the figures.
• the transmission comprises a stationary housing 2 carried by said rolling chassis of the machine.
• This housing 2 preferably made of synthetic material, is formed of two half-shells assembled by a joint plane.
• This housing 2 at least partially houses a drive member 3 formed here by an input shaft in the form of a worm.
• This worm could have, in an equivalent way, be replaced by a cylindro-conical pinion in particular.
• This driving member 3 is in permanent engagement by meshing with a driven member 5 formed by a toothed wheel tangenting the worm.
• the driving member 3 is equipped with means 4 rotary drive motors.
• the motor means 4 of the driving member 3 and the driving member 3 are arranged coaxial.
• the 4 motor means surmount the 3 leading member. It is provided arranged between the means 4 motors and the driving member 3 formed by an input shaft, an epicyclic train of the type comprising an inner sun gear 21 mounted to rotate with the motor means 4, an outer sun gear 22, also called the ring gear, fixed to the housing 2, satellites 23 meshing with the sun wheels 21, 22 and a planet carrier 24 threaded onto the input shaft 3 and mounted to rotate with said shaft 3.
• the rotation drive of the inner sun gear 21 causes the planet wheels 23 to engage in rotation by meshing with the inner circumferential toothing of the ring gear forming the outer sun gear 22.
• this ring is a stationary ring fixed to the housing, the satellites 23, each strung on an axis of the planet carrier 24, tend to drive in rotation the planet carrier 24 threaded onto the drive shaft and mounted integral in rotation with said shaft 3 input. This results in the rotational drive of said input shaft 3 which itself rotates the driven member 5 formed by the toothed wheel.
• the housing 2 also comprises, housed at least partially inside the housing, two coaxial wheel drive shaft sections 6A, 6B each capable of driving a wheel 7A, 7B of the same pair of wheels of the machine.
• shaft sections 6A, 6B are kept aligned by holding means 27 and are, in the aligned state, able to be moved relative to each other in rotation.
• the holding means 27 are here formed by two sleeves threaded onto a connecting pin at one of their ends and receiving by fitting a wheel drive shaft section at the other end.
• These drive shaft sections extend perpendicular to the input shaft forming the driving member 3.
• a pinion 25 for engaging a pinion 26 carried by each wheel 7A, 7B of the transmission. gear.
• other means of transmitting the movement of section 6A; 6B of wheel drive shaft to 7A wheel; 7B can be provided without departing from the scope of the invention.
• the housing 2 still houses, at least partially, two clutch mechanisms 8 each disposed between the driven member 5 and a wheel drive shaft section 6A, 6B.
• These clutch mechanisms 8 are able to transmit, one, the transmission of the movement of the member 5 led to the wheel drive shaft section 6A, the other, the transmission of the movement of the body 5 led to wheel drive shaft section 6B.
• the driving wheel forming the driven member disposed coaxially with the wheel drive shaft sections, is disposed between two mechanisms each clutch mechanism 8 being carried, at least partially, by a wheel drive shaft section of the same pair of wheels of the machine.
• Each clutch mechanism 8 is activated at least by the rotational drive of the driven member 5 in a first direction of rotation, said forward movement, and axial displacement of at least one part of the clutch mechanism represented in 9 in the figures.
• the drive in rotation of the member 5 driven forward is obtained by actuating means 15 for controlling the direction of rotation of the motor means 4 of the member 3 leading in a first direction of rotation corresponding to said forward movement.
• the actuation of the means 4 motors rotates the driving member 3 which transmits its rotational movement to the member 5 led.
• the control means 15 are here formed by a pivoting handle coupled to the handlebar of the machine.
• the part of the clutch mechanism axially displaceable during forward drive of the driven member 5, is in the form of a clutch plate 9 mounted on the shaft of the clutch. wheel drive with which said clutch mechanism is adapted to cooperate, free to rotate and axially movable in the direction of a ratment and a spacing of the member 5 led.
• Said clutch plate is, during activation under the action of the forward drive of the driven member, movable in the direction of a spacing of the member 5 led to a position in engagement with a part 12 carried by, and rotatably connected to the wheel drive shaft section. In the activated state, said clutch plate 9 is thus disposed away from the driven member 5, that is to say away from the driven member by a distance greater than that which separates it from the body led to the disabled state.
• the clutch mechanism 8 is also deactivatable by the drive in forward rotation of the wheel drive shaft section 6A, 6B with which it co-operates, when the rotational speed of the wheel drive shaft section is greater than the rotational speed of the wheel drive shaft led organ 5.
• higher speed is also meant the case where the driving member 3 is not driven in rotation, that is to say stopped.
• each clutch mechanism is designed to be deactivated when the rotational speed of the wheel drive shaft section carrying said mechanism is greater than the rotational speed of the drive wheel.
• the wheel of the machine and the shaft section which carries it can rotate freely in both directions of rotation.
• each wheel of a pair of wheels of the machine can rotate independently of the other wheel of the machine.
• the deactivation of the clutch mechanism can still be obtained by driving in rotation in reverse of the driven member 5.
• the means 4 rotary drive motors of the driving member 3 are motor means with two directions of rotation controlled. These means 4 motors therefore comprise means 15 for controlling the direction of rotation of the motor means 4 of the member 3 leading in the direction of driving in the forward direction of the member 5 driven as described above, and means 16 to control the direction of rotation of the means 4 motors of the member 3 leading in the direction of a drive in reverse of the member 5 led.
• control means 16 are actuating control means automatic.
• these means 16 for controlling the direction of rotation of the motor means 4 of the input shaft in the direction of driving in reverse of the driven member 5 could have been manually actuated control means formed for example, by a simple handle positioned on the handlebars as shown.
• the auto-actuated solution is preferred and is also shown.
• These means 16 for automatically actuating control comprise means 17 for direct or indirect detection of the stopping of the rotational drive of the motor drive member 3, timing means 18 configured to measure a predetermined time interval to count. detecting the stop and means 19 for transmitting a drive control signal of the motor means 4 in the direction of a drive in reverse of the driven member, said transmission means 19 a signal being configured to transmit said control signal at the end of the time interval measured by said delay means 18.
• the clutch plate 9 and the driven member 5, which here affect the shape of a toothed wheel are provided, on each of their faces, ramps.
• the ramps 10 of one face of the plate 9 cooperate, during the activation phase, with the ramps 14 of the member 5 driven for an axial displacement of the clutch plate 9 in a first direction of separation of the member 5 led and securing the plate 9 with the part 12 carried by, and integral in rotation with the wheel drive shaft section 6A, 6B which cooperates with said clutch mechanism.
• the ramps 1 1 of the other face of the plate 9 cooperate, during the deactivation phase, with ramps 13 of the part 12 carried by and integral in rotation with the wheel drive shaft 6A, 6B for cause by axial displacement in opposite direction of said clutch plate 9, the free-wheeling of the section 6A; 6B wheel drive shaft with which the clutch mechanism is adapted to cooperate.
• the ramps of the driven member and the clutch plate 9 are here formed by one of the flanks of crenellations or teeth protruding from said faces.
• the toothed wheel constituting the driven member 5 has, on each of its faces, a ring of teeth with each tooth having two flanks parallel to the axis of rotation of the shaft. wheel drive, each sidewall being connected to the top of the tooth by a cutaway.
• the clutch plate 9 has, on its side facing the driven member 5, a ring of teeth with each tooth having a flank parallel to the axis of rotation of the wheel drive shaft sections and an inclined flank forming an angle with said axis of rotation.
• the inclined flank is formed by the ramp shown in 10 in the figures.
• This flank is the flank requested during forward drive of the member 5 driven by bearing contact with a tooth of the member 5 to cause an axial displacement of the clutch plate in the direction of a spacing of the organ 5 led.
• the other face of the plate that is to say that facing the part 12 integral in rotation with the wheel drive shaft section which is here formed by a wheel with ramps, comprises, in the same way , a crown of flanking teeth one right, the other inclined.
• the piece 12 or wheel, integral in rotation with the wheel drive shaft section also comprises a ring of teeth, each tooth has one of its inclined sides, and shown at 13 in the figures, and the other right flank.
• a right flank of a tooth of the plate cooperates with a right flank of a tooth of the part 12 integral in rotation with the wheel drive shaft section when the drive forward of the member 5 led, in the state spaced clutch plate 9 of the member 5 led.
• This bearing contact cooperation continues as long as the rotational driving speed of the wheel drive shaft section is less than the speed of the driven member.
• This axial displacement is caused when the rotational drive range of the driven member extends over one revolution or less of a rotational drive of said driven member as a function of ramp configurations.
• FIG. 8 illustrates a variant of the invention in which the wheel drive shaft 6 is formed not of shaft sections 6A, 6B but is made in one piece.
• the transmission comprises a single clutch mechanism 8 whose operation is similar to that described above for a shaft section so that the above description applies in the same way to FIG. .
• control of the direction of rotation of the driving means of the driving member in the direction of a drive in reverse of the driven member automatically actuated as soon as the machine is stopped beyond a predetermined time interval, the driven member 5 is driven in reverse by the drive means via the driving member so that at the stop, the deactivation of the mechanism the clutch is operated automatically, allowing the driver to move on the ground, simply by pushing forward, or traction in reverse, the machine, without having to fight the mechanical resistance that would result from the activation of the mechanisms of clutch, and without risk of breaking said mechanisms.

Landscapes

• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Life Sciences & Earth Sciences (AREA)
• Environmental Sciences (AREA)
• Mechanical Engineering (AREA)
• One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
• Harvester Elements (AREA)
• Mechanical Operated Clutches (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=48856841

Family Applications (1)

Country Status (5)

Families Citing this family (17)

Citations (1)

Family Cites Families (9)

• 2013
  • 2013-04-23 FR FR1353703A patent/FR3004771B1/fr active Active
• 2014
  • 2014-04-08 CN CN201490000657.1U patent/CN206000899U/zh not_active Expired - Lifetime
  • 2014-04-08 US US14/785,036 patent/US9759300B2/en active Active
  • 2014-04-08 WO PCT/FR2014/050836 patent/WO2014174173A1/fr active Application Filing
  • 2014-04-08 EP EP14721917.4A patent/EP2989341A1/de not_active Withdrawn

Patent Citations (1)

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events