CN203884237U - Raking device - Google Patents
Raking device Download PDFInfo
- Publication number
- CN203884237U CN203884237U CN201420220540.6U CN201420220540U CN203884237U CN 203884237 U CN203884237 U CN 203884237U CN 201420220540 U CN201420220540 U CN 201420220540U CN 203884237 U CN203884237 U CN 203884237U
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- Prior art keywords
- frame
- tire sets
- tire
- hug
- bar
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- Expired - Lifetime
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- 244000025254 Cannabis sativa Species 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims description 21
- 238000010168 coupling process Methods 0.000 claims description 21
- 238000005859 coupling reaction Methods 0.000 claims description 21
- 230000003028 elevating effect Effects 0.000 claims description 9
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000010727 cylinder oil Substances 0.000 claims description 2
- 239000004459 forage Substances 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 239000004009 herbicide Substances 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- YZHUMGUJCQRKBT-UHFFFAOYSA-M sodium chlorate Chemical compound [Na+].[O-]Cl(=O)=O YZHUMGUJCQRKBT-UHFFFAOYSA-M 0.000 description 1
- 238000003971 tillage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Harvester Elements (AREA)
Abstract
The utility model discloses a raking device. The raking device comprises a traction mechanism, a frame, a tire group and raking mechanisms; one end of the traction mechanism is connected with an external power machine, while the other end thereof is mounted on a frame; a plurality of raking mechanisms are mounted on the frame and evenly distributed on the frame in the same direction; one end of the tire group is fixed on the frame, while the other end of the tire group is in contact with the ground. As a result, the raking device is capable of automatically raking forage grass into windrows.
Description
Technical field
The utility model relates to mechanical field, refers to especially a kind of careless device of efficiently hugging.
Background technology
At present, China's herb machinery aggregate level is also very on the low side, also in the starting stage, mainly take with low content of technology, be worth low simple products as main, substantially completed by animal-drawn and cut, hug the elemental operation facility such as grass to the supporting update of dynamic power machine.For example novelly cut, hug facility and all kinds of integration of operation facility and shaping facility are succeeded in developing in succession and promote rapidly, forage seeding adopts disc trench digging sower, no-tillage seeding machine, with engine-driven atomiser and agricultural aircraft pesticide, weed killer herbicide; Herbage harvesting adopts harvesting, hugs grass, flattening, bundling combine-harvester.But, in the middle of prior art by the grass making machinery of the integrated swath of grass also in technology inefficient state, operating efficiency is on the low side, exists human and material resources to waste serious phenomenon.
Utility model content
In view of this, the purpose of this utility model is to propose a kind of careless device of efficiently hugging, and can realize Efficient Forage is hugged to integrated swath automatically.
What based on above-mentioned purpose the utility model, provide a kind ofly hugs careless device, comprises haulage gear, frame, tire sets and hay rake structure, and this haulage gear one end is connected with external dynamic power machine, and the other end is installed in frame; And, a plurality of described hay rake structures are installed in described frame, and the plurality of hay rake structure is equidirectional and is evenly distributed in described frame; Described tire sets one end is fixed in this frame, and the other end of described tire sets contacts with ground.
Alternatively, the external dynamic power machines such as the hydraulic pressure quick connector by described haulage gear one end and existing tractor are connected, and the external power mechanical energy such as this tractor are enough provides power by described haulage gear to hugging careless device.
Alternatively, described in each, hay rake structure becomes 17 ° to be arranged in described frame with described frame, and the spacing between described hay rake structure is 840mm.
Alternatively, described haulage gear comprises leading portion draw bar, driving lever, side-sway bar and safety pole, and one end of described leading portion draw bar is connected with external dynamic power machine, and the other end of described leading portion draw bar is connected with described driving lever; One end of described side-sway bar is pivoted on described driving lever, and the other end of described side-sway bar is coupling in described frame; One end of described safety pole is coupling on the sliding sleeve of described side-sway bar, and the other end of described safety pole is coupling in described frame; Described driving lever is comprised of described draw bar and described interior side lever, and described interior side lever is set in described draw bar and can in described interior side lever, slides.
Further, described haulage gear also comprises actuating cylinder, and described actuating cylinder one end is coupling on described draw bar, and one end is coupling on described interior side lever in addition; Described actuating cylinder drives described draw bar to slide on described interior side lever when flexible, and according to Triangle Principle, described side-sway bar swings and sliding on described side-sway bar on described side-sway bar slided.
Further, described hay rake structure comprises to be hugged careless arm, hugs grass dish, described in hug grass dish and hug on the flange of careless arm described in being fixed on, two pairs of taper roll bearings are housed in described flange, described in hug grass dish and can do 360 ° with flange and rotate continuously; The described other one end of careless arm of hugging is inserted in described frame, can in plug-in opening, do 360 ° and rotate continuously.
Further, the described careless device of hugging also comprises slide mechanism, and described slide mechanism is arranged on the crossbeam of described frame; Described slide mechanism comprises sliding bar, elevating ram and lifting device, described elevating ram is connected with described sliding bar with lifting device, described sliding bar slides in the rod sleeve of described housiung separator, described in described sliding bar drives by this elevating ram and lifting device, hugs the lifting of grass dish.
Further, described in hug careless device and comprise four these tire sets, wherein three are arranged on described frame entablature, left side tire sets is 3490mm apart from the distance of middle tire sets, right side tire sets is 4000mm apart from the distance of middle tire sets; Another one tire sets is arranged in described frame, and the crotch of this tire sets and described driving lever be coupling, and this tire sets is 2010mm apart from the distance of three tire sets on described housiung separator.
Further, the described tire sets that is arranged on arranged on left and right sides on described frame entablature comprises tire, brake disc, brake spring seat, lower brake block, upper brake block, brake spring, bolt, nut, axletree, wheel rim and lining, described tire is arranged on described axletree, between described tire and described axletree, is provided with described wheel rim; Described axletree is through described lining, and through the end of the axletree of described frame, described brake disc is installed; The described lower brake block that the described brake disc other end is arranged in parallel, described upper brake block are clipped in wherein;
Described upper brake block passes described lower brake block and is arranged in described frame, described brake bolt one end is successively vertically through described upper brake block, described lower brake block, described brake spring seat, described brake spring, described brake spring seat, and the other one end of this bolt is fixed on described lower brake block; On the other end of described brake spring seat, be provided with described nut; By described bolt, described nut, can adjust the stroke of described brake spring, control the pivoting friction resistance of described tire sets.
Further, described in hug careless device and also comprise steering cylinder, described steering cylinder is arranged in the described tire sets on described driving lever, by described haulage gear, is controlled and is turned to; In the described tire sets of the centre of described housiung separator, be also provided with described steering cylinder; The middle tire components of the tire sets on described driving lever and described housiung separator forms closed loop by described steering cylinder and hydraulic oil pipe thereof, and what can keep that this two tire sets turns to is synchronous.
As can be seen from above, the utility model provides a kind ofly efficiently hugs careless device, by haulage gear one end, is connected with external dynamic power machine, and the other end is installed in frame; And, a plurality of described hay rake structures are installed in described frame, and the plurality of hay rake structure is equidirectional and is evenly distributed in described frame; Described tire sets one end is fixed in this frame, and the other end of described tire sets contacts with ground.Thereby, described in the utility modelly hug the work that careless device can efficiently complete the integrated swath of grass, improved the efficiency of herbage operation.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of hugging careless device of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment hay rake structure;
Fig. 3 is the structural representation of the utility model embodiment tire sets;
Fig. 4 is the structural representation that the utility model embodiment is arranged on the tire sets on driving lever;
Fig. 5 is the structural representation that the utility model embodiment is arranged on the middle tire sets of housiung separator.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
Consult shown in Fig. 1, for a kind of structural representation of hugging careless device of the utility model embodiment, describedly hug careless device and comprise haulage gear, frame 1, tire sets and hay rake structure 12, this haulage gear one end can be connected with external dynamic power machine, and the other end is installed in frame 1.And, a plurality of hay rake structures 12 are installed in frame 1, and the plurality of hay rake structure 12 is equidirectional and is evenly distributed in frame 1.Described tire sets one end is fixed in this frame 1, and the other end of described tire sets contacts with ground.Preferably, the external dynamic power machines such as the hydraulic pressure quick connector by described haulage gear one end and existing tractor are connected, and the external power mechanical energy such as this tractor are enough provides power by described haulage gear to hugging careless device.Preferably, each hay rake structure 12 is arranged in frame 1 with 1 one-tenth 17 ° of frames, and the spacing between hay rake structure 12 is 840mm.
Described while hugging careless device busy, the ground drag providing by ground rotates this hay rake structure 12, can fall apart and be laid on the integrated swath of ground grass, completes the whole collection work of hugging.
As an embodiment of the present utility model, described haulage gear comprises leading portion draw bar 4, driving lever 5, side-sway bar 6 and safety pole 7.Wherein, one end of leading portion draw bar 4 is connected with external dynamic power machine, and the other end of leading portion draw bar 4 is connected with driving lever 5.In addition, one end of side-sway bar 6 is pivoted on driving lever 5, and the other end of side-sway bar 6 is coupling in frame 1.One end of safety pole 7 is coupling on the sliding sleeve of side-sway bar 6, and the other end of safety pole 7 is coupling in frame 1.Driving lever 5 is comprised of draw bar and interior side lever, and interior side lever is set in draw bar and can in interior side lever, slides.
Described haulage gear also comprises actuating cylinder, and actuating cylinder one end is coupling on draw bar, and one end is coupling on interior side lever in addition.When flexible, drive draw bar to slide on interior side lever, according to Triangle Principle, side-sway bar 6 swings and sliding on side-sway bar 6 on side-sway bar 6 is slided.
Preferably, hug the tractor that careless device can be not less than 50KW (70hp) with rated power and mate, tractor passes to hay rake by self power by leading portion draw bar 4.Wherein, the extension node terrain clearance of leading portion draw bar 4 one end and tractor is 390 ± 60mm, has articulated 4 one-tenth levels of rear leading portion draw bar, terrain clearance 665mm.
Consulting shown in Fig. 2, is the structural representation of the utility model embodiment hay rake structure, and described hay rake structure 12 comprises to be hugged careless arm 10, hug grass dish 11.Wherein, hug careless dish 11 and be fixed on the flange of hugging careless arm 10, two pairs of taper roll bearings are housed in flange, hug grass dish 11 and can do 360 ° of continuous rotations with flange.Hug the other one end of careless arm 10 and be inserted in frame 1, can in plug-in opening, do 360 ° and rotate continuously.
Hug careless dish and can comprise riser, bar, disk and pressing plate, it is circular that riser becomes, uniform 40 circular holes on riser, and bar passes from the circular hole of riser, with pressing plate, bar is fixed on disk.
The described careless device of hugging also comprises slide mechanism 13, and slide mechanism 13 is arranged on the crossbeam of frame 1.Preferably, slide mechanism 13 comprises sliding bar, elevating ram and lifting device, described elevating ram is connected with described sliding bar with lifting device, described sliding bar slides in the rod sleeve of described frame 1 crossbeam, described in described sliding bar drives by this elevating ram and lifting device, hugs the lifting of grass dish.
In an embodiment of the present utility model, hug careless arm 10 and be screwed on the sliding bar of slide mechanism 13 by iron chains 3 and tightening buckle.Iron chains 3 and hug 10, careless arm spring 2 is housed, spring 2 is in the described effect of playing damping in hugging careless device work, and iron chains 3 has limited again the excess elongation of spring simultaneously, plays the effect of protection spring.
In another embodiment of the present utility model, describedly hug careless device and comprise four these tire sets, wherein three are arranged on frame 1 entablature, and left side tire sets 8 is 3490mm apart from the distance of middle tire sets 12, and right side tire sets 8 is 4000mm apart from the distance of middle tire sets 12.Another one tire sets 9 is arranged in frame 1, and the crotch of this tire sets II 9 and driving lever 5 be coupling, and this tire sets 9 is 2010mm apart from the distance of three tire sets on frame 1 crossbeam.
Consulting shown in Fig. 3, is the structural representation of the utility model embodiment tire sets, is arranged on the described tire sets 8 of arranged on left and right sides on frame 1 entablature.Comprise tire 16, brake disc 17, brake spring seat 18, lower brake block 19, upper brake block 20, brake spring 21, bolt 22, nut 23, axletree 24, wheel rim 25 and lining 26.Wherein, tire 16 is arranged on axletree 24, between tire 16 and axletree 24, is provided with wheel rim 25.Axletree 24 is through lining 26, and through the end of the axletree 24 of frame 1, brake disc 17 is installed.Also have, lower brake block 19, upper brake block 20 that brake disc 17 other ends are arranged in parallel are clipped in wherein.
In addition, upper brake block 20 passes lower brake block 19 and is arranged in frame 1, brake bolt 22 one end are successively vertically through upper brake block 20, lower brake block 19, brake spring seat 18, brake spring 21, brake spring seat 18, and this other one end of bolt 22 is fixed on lower brake block 19; On the other end of brake spring seat 18, be provided with described nut 23; By bolt 22, nut 23, can adjust the stroke of brake spring 21, control the pivoting friction resistance of described tire sets 8.
Preferably, described in hug careless device and also comprise steering cylinder 27 (as shown in Figure 1), be arranged in the tire sets 9 on driving lever 5, by haulage gear, control and turn to.Meanwhile, in the middle of frame 1 crossbeam, in tire sets 12, be also provided with steering cylinder 27.In the middle of tire sets on driving lever 59 and frame 1 crossbeam, tire sets 12 forms closed loop by steering cylinder 27 and hydraulic oil pipe thereof respectively, thus keep that these two wheels turn to synchronous.
As another embodiment of the present utility model, be arranged on the structure of the tire sets 9 on driving lever 5 as shown in Figure 4, and the structure that is arranged on the tire sets 12 of frame 1 in the middle of crossbeam as shown in Figure 5.Wherein, consult shown in Fig. 4, the tire sets 9 being arranged on driving lever 5 is connected with driving lever 5 with axle 29 by spring catch 28, and this tire sets 9 is also connected with frame 1 with spring catch 31 by steering arm 30.In addition, one end of spring catch 31 is connected with steering cylinder 27 by spring catch 33.
Consult shown in Fig. 5, be arranged on the tire sets 12 of frame 1 in the middle of crossbeam and be connected with steering arm 35 through one end of frame 1, and this steering arm 35 is connected with steering cylinder 27 with bearing pin 37 by spring catch 36.
Described in the utility modelly hug careless device for running at a low speed place machinery, and grassland is uneven, therefore, according to 3 one side principles, designed shaft coupling, left end beam and the shaft coupling one end of hugging frame 1 crossbeam of careless device are fixed, the other one end of right-hand member beam and shaft coupling is fixed, described while hugging careless device action, be arranged on the tire sets 9 on driving lever 5, the tire sets 12 of frame 1 in the middle of crossbeam with the tire sets 8 at frame 1 crossbeam front end all the time on a coordinate surface, another one can swing up and down in the tire sets 8 of frame 1 crossbeam rear end, meet the load bearing requirements of travelling and can be adapted to the running environment on grassland again.
This shows, the utility model is realized a kind ofly hugs careless device, the rotation of grass dish is provided described in the ground drag being provided by ground while creatively having proposed to move ahead by described power source makes to be completed the loose integrated swath of ground grass that is laid on, improved the efficiency of herbage operation, realized and hugged efficiently collection work; And, saved human resources, reduced significantly cost; Meanwhile, this is hugged careless device and can adapt to rough place, grassland feature; Finally, whole described to hug careless device easy, compact, is easy to realize.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle; any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. hug a careless device, it is characterized in that, comprise haulage gear, frame, tire sets and hay rake structure, this haulage gear one end is connected with external dynamic power machine, and the other end is installed in frame; And, a plurality of described hay rake structures are installed in described frame, and the plurality of hay rake structure is equidirectional and is evenly distributed in described frame; Described tire sets one end is fixed in this frame, and the other end of described tire sets contacts with ground.
2. according to claim 1ly hug careless device, it is characterized in that, the external dynamic power machines such as the hydraulic pressure quick connector by described haulage gear one end and existing tractor are connected, and the external power mechanical energy such as this tractor are enough provides power by described haulage gear to hugging careless device.
3. according to claim 1ly hug careless device, it is characterized in that, described in each, hay rake structure becomes 17 ° to be arranged in described frame with described frame, and the spacing between described hay rake structure is 840mm.
4. according to claim 1ly hug careless device, it is characterized in that, described haulage gear comprises leading portion draw bar, driving lever, side-sway bar and safety pole, and one end of described leading portion draw bar is connected with external dynamic power machine, and the other end of described leading portion draw bar is connected with described driving lever; One end of described side-sway bar is pivoted on described driving lever, and the other end of described side-sway bar is coupling in described frame; One end of described safety pole is coupling on the sliding sleeve of described side-sway bar, and the other end of described safety pole is coupling in described frame; Described driving lever is comprised of described draw bar and described interior side lever, and described interior side lever is set in described draw bar and can in described interior side lever, slides.
5. according to claim 4ly hug careless device, it is characterized in that, described haulage gear also comprises actuating cylinder, and described actuating cylinder one end is coupling on described draw bar, and one end is coupling on described interior side lever in addition; Described actuating cylinder drives described draw bar to slide on described interior side lever when flexible, and according to Triangle Principle, described side-sway bar swings and sliding on described side-sway bar on described side-sway bar slided.
6. according to claim 5ly hug careless device, it is characterized in that, described hay rake structure comprises to be hugged careless arm, hugs grass dish, the described grass dish hugged is hugged on the flange of careless arm described in being fixed on, two pairs of taper roll bearings are housed in described flange, described in hug grass dish and can do 360 ° with flange and rotate continuously; The described other one end of careless arm of hugging is inserted in described frame, can in plug-in opening, do 360 ° and rotate continuously.
7. according to claim 6ly hug careless device, it is characterized in that, the described careless device of hugging also comprises slide mechanism, and described slide mechanism is arranged on the crossbeam of described frame; Described slide mechanism comprises sliding bar, elevating ram and lifting device, described elevating ram is connected with described sliding bar with lifting device, described sliding bar slides in the rod sleeve of described housiung separator, described in described sliding bar drives by this elevating ram and lifting device, hugs the lifting of grass dish.
8. according to claim 6ly hug careless device, it is characterized in that, described in hug careless device and comprise four these tire sets, wherein three are arranged on described frame entablature, left side tire sets is 3490mm apart from the distance of middle tire sets, and right side tire sets is 4000mm apart from the distance of middle tire sets; Another one tire sets is arranged in described frame, and the crotch of this tire sets and described driving lever be coupling, and this tire sets is 2010mm apart from the distance of three tire sets on described housiung separator.
9. according to claim 8ly hug careless device, it is characterized in that, the described tire sets that is arranged on arranged on left and right sides on described frame entablature comprises tire, brake disc, brake spring seat, lower brake block, upper brake block, brake spring, bolt, nut, axletree, wheel rim and lining, described tire is arranged on described axletree, between described tire and described axletree, is provided with described wheel rim; Described axletree is through described lining, and through the end of the axletree of described frame, described brake disc is installed; The described lower brake block that the described brake disc other end is arranged in parallel, described upper brake block are clipped in wherein;
One end of described brake spring seat is successively vertically through described upper brake block, described lower brake block, and this end is fixed in described frame; On the other end of described brake spring seat, be provided with described brake spring, and be provided with described bolt and described nut at this end points; By described bolt, described nut, can adjust the stroke of described brake spring, control the pivoting friction resistance of described tire sets.
10. according to claim 9ly hug careless device, it is characterized in that, described in hug careless device and also comprise steering cylinder, described steering cylinder is arranged in the described tire sets on described driving lever, by described haulage gear, is controlled and is turned to; In the described tire sets of the centre of described housiung separator, be also provided with described steering cylinder; The middle tire components of the tire sets on described driving lever and described housiung separator forms closed loop by described steering cylinder and hydraulic oil pipe thereof, and what can keep that this two tire sets turns to is synchronous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220540.6U CN203884237U (en) | 2014-02-27 | 2014-04-30 | Raking device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410069300 | 2014-02-27 | ||
| CN201410069300.5 | 2014-02-27 | ||
| CN201420220540.6U CN203884237U (en) | 2014-02-27 | 2014-04-30 | Raking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203884237U true CN203884237U (en) | 2014-10-22 |
Family
ID=51324862
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410181304.2A Active CN103947384B (en) | 2014-02-27 | 2014-04-30 | One hugs careless device |
| CN201420220540.6U Expired - Lifetime CN203884237U (en) | 2014-02-27 | 2014-04-30 | Raking device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410181304.2A Active CN103947384B (en) | 2014-02-27 | 2014-04-30 | One hugs careless device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN103947384B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103947384A (en) * | 2014-02-27 | 2014-07-30 | 航天新长征电动汽车技术有限公司 | Grass raking device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108064479A (en) * | 2018-03-01 | 2018-05-25 | 王明帅 | A kind of rake |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA710025A (en) * | 1965-05-25 | Van Der Lely Cornelis | Raking device | |
| US3015202A (en) * | 1953-10-15 | 1962-01-02 | Lely Nv C Van Der | Running wheel structure for a raking device and methods associated therewith |
| US2955407A (en) * | 1956-11-30 | 1960-10-11 | Lely Nv C Van Der | Side delivery raking device |
| CN2487214Y (en) * | 2001-07-20 | 2002-04-24 | 高士文 | Rake turner |
| CN2610630Y (en) * | 2003-01-09 | 2004-04-14 | 赤峰鑫秋农牧机械制造有限责任公司 | Novel greenfeed turning and sunning machine |
| CN103947384B (en) * | 2014-02-27 | 2016-04-20 | 航天新长征电动汽车技术有限公司 | One hugs careless device |
-
2014
- 2014-04-30 CN CN201410181304.2A patent/CN103947384B/en active Active
- 2014-04-30 CN CN201420220540.6U patent/CN203884237U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103947384A (en) * | 2014-02-27 | 2014-07-30 | 航天新长征电动汽车技术有限公司 | Grass raking device |
| CN103947384B (en) * | 2014-02-27 | 2016-04-20 | 航天新长征电动汽车技术有限公司 | One hugs careless device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103947384A (en) | 2014-07-30 |
| CN103947384B (en) | 2016-04-20 |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |