CN102083543A - Sprinkler and switching device for a sprinkler - Google Patents
Sprinkler and switching device for a sprinkler Download PDFInfo
- Publication number
- CN102083543A CN102083543A CN2009801262418A CN200980126241A CN102083543A CN 102083543 A CN102083543 A CN 102083543A CN 2009801262418 A CN2009801262418 A CN 2009801262418A CN 200980126241 A CN200980126241 A CN 200980126241A CN 102083543 A CN102083543 A CN 102083543A
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- CN
- China
- Prior art keywords
- switch
- switching device
- device shifter
- nozzle
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
- B05B3/0409—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements
- B05B3/0472—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements the spray jet actuating a movable deflector which is successively moved out of the jet by jet action and brought back into the jet by spring action
- B05B3/0477—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements the spray jet actuating a movable deflector which is successively moved out of the jet by jet action and brought back into the jet by spring action the spray outlet having a reversible rotative movement, e.g. for covering angular sector smaller than 360°
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- Nozzles (AREA)
- Special Spraying Apparatus (AREA)
Abstract
The invention relates to a sprinkler (2) and a switching device for a sprinkler (2), comprising a nozzle (22) supported rotationally about a rotary axis (A), having a switching unit (10) that can be switched between a first switch position and a second switch position, wherein a rotary direction of the nozzle (22) is determined by the switch setting, and the switching unit (10) comprises at least a one at least partially magnetic and/or magnetizable component (11, 12), so that the switching unit (10) is held in the first and/or second switch position by magnetic forces.
Description
Technical field
The present invention relates to a kind of water sprinkler, it comprises can center on the nozzle that rotation is settled rotatably, and the switching device shifter that is used for such water sprinkler, have the switch element that can switch between first position of the switch and second switch position, wherein the direction of rotation of nozzle is determined by the position of the switch.
Background technology
At this, water sprinkler or lawn sprinkler are known as water sprinkler, and it has at least one water outlet nozzle.Therefore usually nozzle is orientated in this wise, promptly nozzle particularly with the angle between 20 ° and 90 ° transverse to vertical axis.For uniform sprinkling, nozzle can be around common vertically arranged rotation rotation in use.Therefore on first direction of rotation, directly realize promoting rotation usually by water jet.On the contrary, be to realize indirectly on this opposite direction of rotation promoting.Well-known to this is to make arm be in reverse to the deflection of back-moving spring power with respect to nozzle by water jet.When interrupting water jet, arm is returned along nozzle deflection by back-moving spring on the direction of nozzle, and therefore collides the upper shell at nozzle.By collision, housing and then nozzle are around the rotation rotation.
The direction of rotation that switching device shifter is used to switch nozzle is set.Known switching device shifter for example has changer lever and adjusts element, and they are connected to each other through butterfly spring.When adjusting changer lever, adjust element and swing by the power of butterfly spring equally.
Summary of the invention
The objective of the invention is to, realize a kind of robust especially switchable water sprinkler and switching device shifter.
This purpose realizes by a kind of switching device shifter that is used for water sprinkler, it comprises the nozzle that can settle rotatably around rotation, has the switch element that can between first position of the switch and second switch position, switch, wherein the direction of rotation of nozzle is determined by the position of the switch, and switch element comprises a parts magnetic and/or magnetizable at least so that switch element by magnetic force remain on first and/or the second switch position on.
Parts magnetic and/or magnetizable preferably at least partial design be permanent magnet (Dauermagnet) or permanent magnet (permanentmagnet).In other embodiment, magnetizable parts can be set, wherein for example by applying switching current or analog magnetizes.This switch element according to the present invention by magnetic force, particularly remain on first or the second switch position by magnetic attraction.Switch element according to the present invention is characterised in that the reliability height, to ambient influnence, as the low sensitivity of high temperature or rainfall with wear and tear little.
In a design of the present invention, switch element is designed to the bistable switch unit.At this, the switch element with two stable position of the switch is called the bistable switch unit.In the design of this switch element, this switch element remains on the position of the switch by magnetic force, and this switch element is by force application element, remain on the second switch position as spring.Yet so preferably design switch element, promptly cause two stable status by magnetic force, particularly magnetic attraction.
In a design of the present invention, switch element comprises changer lever and adjusts element.There is the element of external force effect on it to be called changer lever in order to switch.On the contrary, a kind of parts are called the adjustment element, by this switching intervention of parts execution on water sprinkler.
In improvement project of the present invention, changer lever and adjustment element can be settled on deflection ground toward each other around common inclined to one side rotation.When changer lever is swung, adjust element and carry out reverse therewith yaw motion.Changer lever can be therefore different with the deflection angle of adjusting element.
In a design of the present invention, changer lever and adjustment element have the magnetic area of equipolarization on side respect to one another, and the magnetic area of wherein adjusting element is arranged between the magnetic area of two opposite polarization.Realize bipolar switch element by such distribution in simple mode, the side that wherein faces with each other attracts each other with respect to the position of adjusting element according to changer lever or repels.
In other design of the present invention, to adjust element and changer lever and settle by means of sleeve pipe respectively, the front faces facing each other of its middle sleeve have complementary section profile structure (Profilierung).Support with respect to the maintenance of switch element in stable position adjusting element by such section profile structure.
In other design of the present invention, propose, promptly adjust element and have clamp, be used for to remove the deflectable arm engagement of engagement ground and water sprinkler.Therefore by the operation of changer lever, can between first and second position of the switch, regulate clamp.Clamp and adjustment element be single part ground or the design of multi-part ground therefore.
In another design of the present invention, switch element has at least one block, by the stop limits changer lever and/or adjust the motion of element.Thus, having stoped changer lever to cross the position of the switch moves away.
In improvement project of the present invention, by applying the switching power that overcomes magnetic force, particularly switch element being switched by exerting pressure.At this, switching power can apply by executive component directly or indirectly.
Setting operation element preferably, particularly the executive component that is connected with rotatable nozzle act is used to apply switching power to move.In a favourable design of the present invention, executive component acts on for motion with rotatable nozzle and being connected.For example nozzle and executive component are placed on the common shell body.In order to apply switching power, the fixing housing parts acting in conjunction of executive component and water sprinkler when nozzle rotates.At this, in order to influence switching point, can preferably regulate the position of the element of fixing housing parts, this housing parts and executive component acting in conjunction.
By a kind of water sprinkler, particularly realize by the pulse water sprinkler by further for this purpose, and it comprises can center on nozzle and the switching device shifter that rotation is settled rotatably.Nozzle and switching device shifter preferably are integrated in the common housing parts, and this housing parts can be around rotation with respect to fixing housing parts rotation.Therefore, nozzle and switching device shifter carry out common rotatablely moving around rotation with respect to fixing housing parts.
In a favourable design, water sprinkler comprises arm, and this arm can center on rotation deflection by the water jet from the nozzle ejection, particularly can resist the power of reposition element and come deflection.Preferably, the clamp of switching device shifter and deflectable arm mesh on first position of the switch, thereby the oscillating motion of arm can be delivered on the housing parts of rotatably settling.Nozzle is integrated in the housing parts, thereby nozzle and arm are rotated together.On the second switch position, clamp is preferably thrown off engagement on the contrary, thereby makes the arm can be with respect to housing parts and and then with respect to nozzle deflection.Make arm deflection by the water jet that applies pulse, wherein on first position of the switch, the motion of arm is delivered on the nozzle, and therefore make nozzle be synchronized with arm around rotation equally to rotate.If opposite clamp does not mesh with arm, then motion can not be delivered on the nozzle, and arm is with respect to nozzle deflection.When water jet stopped or interrupting, arm was owing to reset force is moving on the direction of nozzle and for example running on the affiliated housing.Nozzle rotates by the yawing moment of collision in contrast to arm.The position of the switch can be switched at work by switching device shifter, and therefore this water sprinkler is as fan-shaped water sprinkler
Additional advantages of the present invention are drawn by dependent claims and following embodiments of the invention are described, and this embodiment is schematically shown.Use unified reference number in the accompanying drawings for same or analogous parts.
Description of drawings
Schematically illustrated in the accompanying drawings:
Fig. 1 is the perspective view of the switching device shifter on first position of the switch;
Fig. 2 is the perspective view at the locational switching device shifter of second switch;
Fig. 3 is the side view according to the changer lever of the switching device shifter of Fig. 1; And
Fig. 4 is the perspective view according to the adjustment element of the switching device shifter of Fig. 1.
The specific embodiment
Fig. 1 and 2 schematically shows and is used for an only switching device shifter 1 of the water sprinkler 2 shown in the part, wherein Fig. 1 shows the switch element 10 of the switching device shifter 1 on first position of the switch, and Fig. 2 shows the switch element 10 at the locational switching device shifter 1 of second switch.The switch element 10 that illustrates comprises changer lever 11 and adjusts element 12 that they can relatively be settled around common inclined to one side rotation 13 deflections ground.
When water sprinkler 2 work, water is from nozzle 22 ejections.Based on the power of the water that is sprayed by nozzle 22, the turning arm 23 that schematically shows passes through in the counterclockwise deflection of the arrow shown in Fig. 1 around rotation A.When interrupting the water jet that is sprayed by nozzle 22, arm 23 goes back to and impinges upon on the housing parts 21 on the direction of the housing parts 21 of nozzle 22.Because impact makes housing parts 21 and therefore nozzle 22 clockwise deflections.
As in Fig. 2 as seen, on the second switch position, stretch in the arm 23 with the clamp 14 of adjusting the design of element 12 one.The motion that arm 23 is centered on rotation A is delivered on the switch element 10 and then is delivered on the housing parts 21 thus.Therefore when hydraulic action, in the position of the switch shown in Fig. 2, nozzle 22 is with arm 23 motions.Therefore nozzle 22 rotates around rotation A in the position of the switch shown in Figure 2 counterclockwise.
The switching of switch element 10, i.e. the deflection of clamp 14 in an illustrated embodiment realizes by apply power on changer lever 11.
Shown water sprinkler 2 can be used as fan-shaped water sprinkler and uses, and wherein nozzle 22 is limited in the confirmable angular range around the motion of rotation A.On changer lever 11, be provided with executive component 15 in an illustrated embodiment for this reason.When movable housing parts 21 rotated, executive component 15 clashed into towards the arm 24 on the antitorque housing parts 20.Switching power is applied on the changer lever 11 by bump, and (in the position of the switch shown in Fig. 1) transforms to that go up second switch position (in the position of the switch shown in Fig. 2) or vice versa from first position of the switch to make switch element 10.Executive component 15 can be preferably around revolving rotation 16 deflections, wherein by executive component 15 around the deflection of axis 16 placement operations element 15 in this wise, promptly executive component breaks away from arm 24 when moving back and forth (Umlaufen).Thus housing parts 21 and therefore nozzle 22 continue rotation in one direction corresponding to the position of the switch.Arm 24 can rotate relatively, so distance between the adjustable arm 24 and and then the angular range of water sprinkler 2.
According to the present invention, at least one parts of switch element 10 are magnetic and/or magnetisable.In an illustrated embodiment changer lever 11 and adjust element 12 at least partial design be permanent magnet.Fig. 3 and 4 has at length showed changer lever 11 or has adjusted element 12.The lateral layout that faces with each other of changer lever 11 and adjustment element 12 has magnetic area in an illustrated embodiment.At this, adjustment element 12 has the magnetic area as the polarization of arctic N, and this magnetic area is arranged in the magnetic area of two opposite polarization, and this magnetic area is between two South Pole S in the illustrated embodiment.Changer lever 11 designs in adjusting the side that element 12 faces one in the illustrated embodiment, and this side has the magnetic area that is polarized to arctic N.The affiliated South Pole S of magnet leaves from adjusting element 12 sensings.
The zone of opposite polarization, promptly the arctic N of changer lever 11 and the South Pole S that adjusts element 12 attract each other in the illustrated embodiment, so switch element 10 remains on in two position of the switch shown in Fig. 1 and 2 any.
By applying power, particularly resisting the pressure of magnetic pull, can be implemented in two switchings between the position of the switch.This switching power can for example directly be applied by operation changer lever 11 by the user.When water sprinkler 2 was worked as fan-shaped water sprinkler, switching power applied by executive component 15.
Fig. 3 schematically shows the changer lever 11 according to the switch element 10 of Fig. 1 and 2 in side view.As shown in Figure 3, changer lever 11 has sleeve pipe 110, and changer lever 11 can be settled around revolving rotation 13 deflections ground by this sleeve pipe.Sleeve pipe 110 is provided with block 111, can be by the largest motion of this stop limits changer lever 11.Therefore block 111 and housing parts 21 concur according to Fig. 1 and 2.On the contact-making surface in the face of adjustment element 12 shown in Figure 4, sleeve pipe 110 has a kind of section profile structure, and this section profile structure stretches into the section profile structure of the sleeve pipe complementation of the adjustment element 12 that is shown specifically in Fig. 4.Changer lever 11 has magnet on the zone 113 of performance element 12.In the illustrated embodiment, in the face of the zone 113 of adjusting element 12 is polarized to arctic N, the zone 114 that wherein deviates from is polarized to South Pole S.
Fig. 4 schematically shows the perspective plan view according to the adjustment element 12 of Fig. 1 and 2.As shown in Figure 4, adjusting element 12 can settle around rotation 13 deflections ground by sleeve pipe 120 equally.Sleeve pipe 120 has section profile structure 121, the section profile complementary structure according to Fig. 3 of itself and changer lever 11.Adjust element and comprise clamp 14, this clamp can mesh as described above with at the arm shown in Fig. 1 and 2 23.The largest motion of adjusting element 12 is limited by block 122.Block 112 so and housing parts 21 actings in conjunction.In use in the face of in the zone 123 according to the changer lever 11 of Fig. 3 permanent magnet being set.Therefore in the illustrated embodiment, the magnetic area that is magnetized to arctic N is between two zones that are magnetized to South Pole S.
Switch element 10 in the accompanying drawings is bistable, and this is because the magnetic area by polarization on two position of the switch has applied switch element 10 to be remained on magnetic pull on the position of the switch.
Claims (15)
1. switching device shifter that is used for water sprinkler (2), comprise and to center on the nozzle (22) that rotation (A) is settled rotatably, has the switch element (10) that can between first position of the switch and second switch position, switch, the direction of rotation of wherein said nozzle (22) is determined by the described position of the switch, it is characterized in that, described switch element (10) comprises one at least to parts (11 small part magnetic and/or magnetizable, 12), so that described switch element (10) by magnetic force remain on described first and/or the second switch position on.
2. switching device shifter according to claim 1 is characterized in that, described switch element is designed to bistable switch unit (10).
3. switching device shifter according to claim 1 and 2 is characterized in that, described switch element (10) comprises changer lever (11) and adjusts element (12).
4. switching device shifter according to claim 3 is characterized in that, described changer lever (11) and described adjustment element (12) can be settled on deflection ground toward each other around common clinoid (13).
5. according to claim 3 or 4 described switching device shifters, it is characterized in that, described changer lever (11) and described adjustment element (12) are in side (112 respect to one another, 123) magnetic area that has equipolarization on, the magnetic area of wherein said adjustment element are arranged between the magnetic area of two opposite polarization.
6. according to claim 3,4 or 5 described switching device shifters, it is characterized in that, described adjustment element (12) and described changer lever (11) are respectively by means of sleeve pipe (120,110) settle, the front faces facing each other (121,112) of wherein said sleeve pipe (120,110) have complementary section profile structure.
7. according to each described switching device shifter in the claim 3 to 6, it is characterized in that described adjustment element (12) has clamp (14), be used for to remove deflectable arm (23) engagement of engagement ground and described water sprinkler (2).
8. according to each described switching device shifter in the claim 1 to 7, it is characterized in that switch element (10) has at least one block (111,122), limit the motion of described changer lever (11) and/or described adjustment element (12) by described block.
9. according to each described switching device shifter in the claim 1 to 8, it is characterized in that, by applying the switching power that overcomes magnetic force, particularly switching by exerting pressure.
10. switching device shifter according to claim 9 is characterized in that a kind of and described changer lever (11) effect executive component that be connected, that be used to apply switching power (15).
11. switching device shifter according to claim 10, it is characterized in that the effect of described executive component (15) and rotatable described nozzle (22) is connected to move and to concur for the housing parts of fixing (20) that applies described switching power and described water sprinkler (2).
12. a water sprinkler, particularly pulse water sprinkler comprise can centering on nozzle (22) that rotation (A) settles rotatably and one according to each described switching device shifter (10) in the claim 1 to 11.
13. water sprinkler according to claim 11 is characterized in that an arm (23), described arm can center on described rotation (A) deflection by the water jet from described nozzle (22) ejection, particularly can resist the power of reposition element and come deflection.
14. water sprinkler according to claim 13, it is characterized in that, the clamp (14) of adjustment element (11), the particularly described switching device shifter of described switching device shifter (10), mesh on first position of the switch with deflectable described arm (23), thereby the oscillating motion of described arm (23) can be delivered on the described housing parts of rotatably settling (21).
15. according to claim 12 or 13 described water sprinklers, it is characterized in that, the described adjustment element (11) of described switching device shifter (10), the particularly clamp of described adjustment element (14), on described second switch position, break away from engagement with deflectable described arm (23), thereby make the described arm (23) can be with respect to described housing parts (21) deflection of rotatably settling.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008033508.8 | 2008-07-07 | ||
| DE102008033508A DE102008033508A1 (en) | 2008-07-07 | 2008-07-07 | Sprinkler and switching device for a sprinkler |
| PCT/EP2009/004730 WO2010003576A1 (en) | 2008-07-07 | 2009-07-01 | Sprinkler and switching device for a sprinkler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102083543A true CN102083543A (en) | 2011-06-01 |
| CN102083543B CN102083543B (en) | 2013-06-12 |
Family
ID=41050439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801262418A Active CN102083543B (en) | 2008-07-07 | 2009-07-01 | Sprinkler and switching device for a sprinkler |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2300170B1 (en) |
| CN (1) | CN102083543B (en) |
| DE (1) | DE102008033508A1 (en) |
| PL (1) | PL2300170T3 (en) |
| RU (1) | RU2455082C1 (en) |
| WO (1) | WO2010003576A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITUB20154109A1 (en) * | 2015-10-06 | 2017-04-06 | Arno Drechsel | DEVICE FOR CONTROL OF THE FLANGE OF A ROTATING JET SPRAYER AND IRRIGATOR INCORPORATING SUCH DEVICE |
| US20180116135A1 (en) * | 2016-10-28 | 2018-05-03 | Fiskars Brands, Inc. | Irrigation device |
| US20180117605A1 (en) * | 2016-10-28 | 2018-05-03 | Fiskars Brands, Inc. | Rotation limitation mechanism for an irrigation device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2592609A (en) * | 1948-12-03 | 1952-04-15 | Clifton B Shoemaker | Magnetically controlled rotary water sprinkler |
| US2877053A (en) * | 1955-01-24 | 1959-03-10 | Kenneth F Kennard | Sprinkling devices |
| EP1389490A1 (en) * | 2002-08-13 | 2004-02-18 | Nelson Irrigation Corporation | Reversible adjustable arc sprinkler |
| US20060065759A1 (en) * | 2004-09-29 | 2006-03-30 | Olson Donald O | Sprinkler apparatus and related methods |
| US7287710B1 (en) * | 2006-07-21 | 2007-10-30 | Nelson Irrigation Corporation | Sprinkler with magnetic nutating mechanism and related method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT389422B (en) * | 1981-07-16 | 1989-12-11 | Bauer Roehren Pumpen | IRRIGATION DEVICE |
| SU1230549A1 (en) * | 1983-12-26 | 1986-05-15 | Предприятие П/Я Р-6234 | Monitoring and control system for sprinkler |
| SU1728356A1 (en) * | 1990-04-05 | 1992-04-23 | Всесоюзный Научно-Исследовательский Институт Комплексной Автоматизации Мелиоративных Систем | Automated self-forced flow irrigation system |
| IL120611A0 (en) * | 1997-04-06 | 1997-08-14 | Rosenberg Peretz | Rotary water sprinkler |
| RU2141194C1 (en) * | 1998-05-18 | 1999-11-20 | Кабардино-Балкарская государственная сельскохозяйственная академия | Sprinkler unit |
| US6883727B2 (en) * | 2003-08-19 | 2005-04-26 | Rain Bird Corporation | Rotating stream sprinkler with ball drive |
| US7562833B2 (en) * | 2006-07-21 | 2009-07-21 | Nelson Irrigation Corporation | Sprinkler with magnetic nutating mechanism and related method |
-
2008
- 2008-07-07 DE DE102008033508A patent/DE102008033508A1/en not_active Ceased
-
2009
- 2009-07-01 CN CN2009801262418A patent/CN102083543B/en active Active
- 2009-07-01 PL PL09776896T patent/PL2300170T3/en unknown
- 2009-07-01 WO PCT/EP2009/004730 patent/WO2010003576A1/en active Application Filing
- 2009-07-01 EP EP09776896.4A patent/EP2300170B1/en active Active
- 2009-07-01 RU RU2011104076/05A patent/RU2455082C1/en not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2592609A (en) * | 1948-12-03 | 1952-04-15 | Clifton B Shoemaker | Magnetically controlled rotary water sprinkler |
| US2877053A (en) * | 1955-01-24 | 1959-03-10 | Kenneth F Kennard | Sprinkling devices |
| EP1389490A1 (en) * | 2002-08-13 | 2004-02-18 | Nelson Irrigation Corporation | Reversible adjustable arc sprinkler |
| US20060065759A1 (en) * | 2004-09-29 | 2006-03-30 | Olson Donald O | Sprinkler apparatus and related methods |
| US7287710B1 (en) * | 2006-07-21 | 2007-10-30 | Nelson Irrigation Corporation | Sprinkler with magnetic nutating mechanism and related method |
Also Published As
| Publication number | Publication date |
|---|---|
| PL2300170T3 (en) | 2015-12-31 |
| EP2300170A1 (en) | 2011-03-30 |
| RU2455082C1 (en) | 2012-07-10 |
| WO2010003576A1 (en) | 2010-01-14 |
| EP2300170B1 (en) | 2015-07-22 |
| DE102008033508A1 (en) | 2010-01-14 |
| CN102083543B (en) | 2013-06-12 |
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Owner name: HUSQVARNA AB Free format text: FORMER OWNER: GARDENA KRESS+KASTNER GMBH Effective date: 20130725 |
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Effective date of registration: 20130725 Address after: Swedish huskvarna Patentee after: Husqvarna AB Address before: Ulm Patentee before: Gardena Kress+kastner GmbH |