CN103120060A - Seeding machine provided with power moving device - Google Patents
Seeding machine provided with power moving device Download PDFInfo
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- CN103120060A CN103120060A CN2011103699029A CN201110369902A CN103120060A CN 103120060 A CN103120060 A CN 103120060A CN 2011103699029 A CN2011103699029 A CN 2011103699029A CN 201110369902 A CN201110369902 A CN 201110369902A CN 103120060 A CN103120060 A CN 103120060A
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Abstract
The invention relates to a seeding machine provided with a power moving device. A driving force can be applied onto a handle side under the condition that moving wheels are connected with a power, so that the direction can be changed in situ, and the seeding machine can move towards the direction expected by workers in the process of power moving; the driving force can be applied onto a handle side of the seeding machine, so that the seeding machine can move at a speed which is quicker than the rotation speed of a driving shaft; if the driving force of an engine is cut off, the seeding machine can move in an unpowered way through an external force; and fasteners of the moving wheels form a permanent manner or a semi-permanent manner, so that the firm combining status between the driving shaft and the moving wheels can be remained. The invention provides the seeding machine provided with the power moving device, wherein the power moving device is provided with an engine, rollers and a pair of moving wheels, the pair of moving wheels are formed at the left side and the right side of the seeding machine by a detachable structure, so that the seeding machine is driven by the power of the engine and is driven by an external force if the power is cut off, each moving wheel comprises a bearing support, a wheel, a fastener for connecting with the power and a connecting bar, and a rolling bearing and an one-way clutch bearing for supporting a load of the seeding machine and adjusting the movement are installed on the axis which is the same as that of the moving wheels at intervals between the bearing support and the connecting bar.
Description
Technical field
The present invention relates to sower, relate in particular to the sower with power moving device, to according to implement the sower of seeding operation at the power of the engine of sower setting, drive to be subject to power and the structure being convenient to load and unload arranges mobilely with wheel, make it easy to move in seeding operation.
Background technology
Sower generally constitutes, and sower is arranged engine and speed change gear, and gives with the transmission of power of engine the roller that is used for seeding operation, Yi Bian in order to can move and implement seeding operation by power on one side.
Prior art as relevant such sower, the applicant apply for and No. the 20-0187996th, the mandate utility model (Korea S) of authorizing in seeding plough below disclosing: start driven roller by engine, thereby automatically advance and realize seeding operation.It constitutes, and makes the driving force of engine or drive motor pass to driven roller by decelerator and chain, thus even the people does not promote sower also can advance, inferior outside, moving to when ground sowing, load and unload unpowered movable pulley and carry sower.
But the movable pulley of above-mentioned prior art is not to be connected with power set and to pass through power to drive, but operator's push-and-pull sower and sower is moved, and moves so be difficult for weight is reached the sower of 100kg～150kg.In addition, also exist: in situation about in order transporting, sower being transported on lorry, to be not easy sower is pushed to the loading area of lorry, thereby need to utilize crane etc., the difficulty that the carrying of sower brings.
in order to solve such problem, as shown in Figure 1, the applicant apply for and No. the 20-0352030th, the mandate utility model (Korea S) of the prior art of authorizing in, following sower has been proposed: the transmission of power of engine (100) is arrived power transmission, thereby make driven roller (101) rotation, and at the two ends of this drive roller shaft (102) loading and unloading movable pulley (103), and utilize steady pin (104) to keep bonding state, thereby when carrying out seeding operation, the separate mobile wheel, when moving with the purpose beyond sowing, movable pulley is installed, thereby can move by the power of engine.
But in above-mentioned prior art, the drive roller shaft that drives being subject to power directly connects movable pulley and drives, and therefore a pair of movable pulley can only be with identical rotating speed rotation.Thus, although when mobile for seeding operation, even do not apply motive force also can by power make sower forward line direction carry out power mobile, but because a pair of movable pulley rotates with identical rotating speed, when therefore moving in sower change direction, need the larger turning radius, thereby on sweep little agriculture road or road, be difficult to mobile under the state that has connected power.In addition, in order to make sower in the original place reverse directions, can only cut off power and utilize external force, simultaneously, exist to be difficult to make sower to move with the speed more than the rotating speed of drive roller shaft, namely be difficult to the problem in the good fast moving such as straight line highway of road conditions.
In addition, be arranged on state on driving shaft in order to keep movable pulley, need fastening steady pin.Therefore, install in the situation of movable pulley when forgetting fastening steady pin, movable pulley can separate with axle, thereby the accidents such as the damaged or worker of sower is injured frequently occur; In the situation of losing steady pin, generation can not be installed the problem of movable pulley.
Summary of the invention
The present invention completes for the problem that solves existing sower existence, its purpose is, following sower is provided: the both sides at the roller of sower have the movable pulley that drives by power, movable pulley is being connected under the state of power, the sower handle side is applied motive force, thereby can change direction and move at the little road of sweep, and can move with the speed faster than the rotating speed of driving shaft, keep in addition the firm bonding state of driving shaft and movable pulley, and have the simple structure of loading and unloading of movable pulley.
in order to achieve the above object, the present invention is at a kind of sower with power moving device, described power moving device has engine, roller and a pair of movable pulley, above-mentioned a pair of movable pulley forms with dismountable structure at the left and right sides of sower, it is subject to the power of engine and drives, if cut-out power, drive with external force, above-mentioned movable pulley comprises the support of bearing, wheel and the securing member and the pitman that are used for connecting power, for above-mentioned supporting bracket and pitman, to and regulate mobile rolling bearing and one-way clutch bearing for the load that supports sower, separate at certain intervals on the identical axis of movable pulley and install.
Above-mentioned securing member comprises: the right side securing member, form the polygon intubate will insert bulb stopper in the one side, form flange at opposite side, thereby with the right side sprocket wheel of being combined at the axle of second roller by the screw combination; And left side securing member, to insert the left side sprocket wheel that the polygon intubate is inserted into the axle of second roller is combined of bulb stopper and be welded and fixed in the formation of one side, one side of above-mentioned pitman forms the cylindrical shape rod with bearing installation portion, opposite side forms the polygon rod, to the polygon intubate of the above-mentioned securing member that is consisted of by right side securing member and left side securing member, insert respectively the polygon rod of above-mentioned pitman.
In addition, the cylindrical shape clavate of above-mentioned pitman becomes to be used for rolling bearing to be installed and the keyway of one-way clutch bearing is installed at opposite side in a side, form the screw hole of certain depth in the end, the polygon rod of above-mentioned pitman has the structure and size of the polygon intubate that can be inserted into respectively above-mentioned securing member, a lateral circumference direction at the outer peripheral face of above-mentioned polygon rod forms spherical groove, make the bulb stopper that arranges in the polygon intubate ball can with its combination.
In addition, above-mentioned rolling bearing and the one-way clutch bearing of installing at the bearing installation portion of above-mentioned pitman are take the direct of travel of sower as benchmark, to the right side movable pulley, at outside configuration rolling bearing, in inboard configuration one-way clutch bearing; To the left side movable pulley, at inboard configuration rolling bearing, at outside configuration clutch bearing.
Sower with power moving device is provided as described above, it is constituted as: the flange that forms a plurality of door bolts hole of boring a hole at certain intervals in the periphery of the wheel hub of the above-mentioned support of bearing, to above-mentioned flange, the gripper shoe that central portion is connected is utilized screw and combination, above-mentioned gripper shoe has certain thickness, and thereby its outside diameter is formed four jiaos of intercepting sections uniformly-spaced to cut apart, and utilize bolt and nut, be combined with the framework of movable pulley.
Sower of the present invention as above, form the movable pulley that drives by power in sower both sides, described movable pulley comprises bearing and securing member and pitman, thereby produce following significant action effect: movable pulley is being connected under the state of power, handle side to sower applies motive force, thereby can change direction in the original place, the direction conversion direction that also can wish to the operator in the power mobile process.In addition, the handle side of sower is applied motive force, thereby can move with the speed faster than the rotating speed of driving shaft.In addition, if cut off the driving force of engine, can sower be moved with no-power way by external force.In addition, the securing member of movable pulley is formed permanent or semipermanent form, keep firm bonding state between driving shaft and movable pulley with this, handling operation becomes simply, and can not lose the combination of movable pulley with the situation of parts.
Description of drawings
Fig. 1 means the figure of the seeding plough of prior art.
Fig. 2 means the stereogram of seeding plough of the present invention.
Fig. 3 means the front view that has separated the state of movable pulley from seeding plough of the present invention.
Fig. 4 represents the figure of the assembled state of movable pulley at seeding plough of the present invention.
Fig. 5 means the figure of the details assembled state of the right-hand wheel in movable pulley of the present invention.
Fig. 6 means the figure of the details assembled state of the left side wheels in movable pulley of the present invention.
Fig. 7 means the figure that will connect the right side securing member of right side movable pulley of the present invention.
Fig. 8 means the figure that will connect the left side securing member of left side movable pulley of the present invention.
Fig. 9 means the figure of the support of bearing that movable pulley of the present invention possesses.
Figure 10 means the figure of the pitman that movable pulley of the present invention possesses.
Figure 11 means the figure of the gripper shoe that movable pulley of the present invention possesses.
Label declaration
1: 2: the first rollers of handle
3: second roller 3a: the second roll shaft
4: framework 5: hopper
6: plough 7: sowing section
8: engine 9: decelerator
10: clutch 11: band
12: power transmission 13,13a move with wheel
14: the support of bearing 15: tire
16: securing member 17: pitman
18: rolling bearing (Rolling bearing) 19: clutch bearing
20,20a: polygon intubate 21,33: flange (flange)
22, right side sprocket wheel (pulley) 23: right side securing member
24: left side sprocket wheel 25: left side securing member (Fastener)
26: polygon rod 27: the cylindrical shape rod
28,29: bearing installation portion 30: wheel hub
31,31a: bulb stopper (ball plunger) 32: ball recess
34: 35: four jiaos of gripper shoes intercepting section
36: wheel frame 37: fasten the hole with a bolt or latch
A: sower
Embodiment
Below, based on accompanying drawing, illustrate in greater detail structure of the present invention and effect.In explanation of the present invention, the term that uses in this specification and claims and word, should based on the inventor for the principle that the invention that utilizes best approach explanation oneself can be suitably defines term and concept, be interpreted as meaning and the concept of technological thought according to the invention.
As shown in Figure 2 and Figure 3, the sower with power moving device of the present invention comprises: handle (1); Planting seed section (7), its front portion that is included in framework is used for making first roller (2) of the ground planarization before sowing and the second roller (3) that is used for pushing the seed of being sowed at the rear portion of framework, and the pars intermedia of framework (4) touches loading and unloading type hopper (5) by a plurality of lists and plough (6) consists of; Engine (8); Decelerator (9) for reducing the rotary power of engine; Be used for connecting or cutting off the clutch (10) of the rotary power of engine; And the output of above-mentioned decelerator (9) is passed to the power transmission (12) of the axle (3a) of second roller (3) via band (11), above-mentioned second roller (3) is made a pair of movable pulley that sower moves (13,13a) when being removably disposed in non-seeding operation.
The above-mentioned movable pulley of above-mentioned second roller (3) mounting or dismounting (13,13a) be following structure: form with axle (3a) combination of second roller, drive in order to be subject to the rotary power of second roller, described second roller drives with the power of engine, if and cut off the rotary power that above-mentioned second roller (3) is provided, above-mentioned the movement with wheel utilizes external force to drive with no-power way.
namely, as shown in Figure 4, above-mentioned movable pulley (13, 13a) constitute: have wheel (15) in the outside of movable pulley, and has the support of bearing (14) at central part, and comprise securing member (16) and the pitman (17) that is connected to the axle (3a) of the second roller (3) as driving shaft for the central part with movable pulley, if make under the state that is passed for the motor driven power that drives the both sides movable pulley, the operator applies motive force to the handle (1) of seeding plough (A), sower can move at the less radius of turn internal conversion direction action edge of going forward side by side, if cut off the driving force that is used for driving above-mentioned movable pulley, in less radius of turn with the convertible direction of no-power way and movement.
Support the load of sower at the above-mentioned support of bearing (14), rolling bearing (18) and one-way clutch bearing (19) are installed on the same axis of a pair of movable pulley (13,13a) separately, if make the handle side to sower apply motive force, left side and the movable pulley on right side are separately or together with the fast rotating speed rotation of rotating speed than the axle (3a) of second roller.
As shown in Figure 4, above-mentioned securing member (16) is made of right side securing member (23) and left side securing member (25), as shown in Figure 7, above-mentioned right side securing member (23) forms the polygon intubate (20) that bulb stopper (31) have been installed in a side, form flange (21) at opposite side, thereby by a plurality of bolts and nuts, with right side sprocket wheel (22) combination on the right side of the axle that is positioned at second roller (3) (3a).
As shown in Figure 8, at above-mentioned left side securing member (25), to insert in the polygon intubate (20a) that a side has been installed bulb stopper (31a) and be positioned at the left side and the left side sprocket wheel (24) axle (3a) combination of second roller (3), and be welded and fixed.
In addition, as Fig. 5, shown in Figure 6, have pitman (17) at above-mentioned movable pulley, described pitman (17) is tied tight on above-mentioned right side and left side securing member, and the framework of wheel is fixed on described pitman (17).
As shown in figure 10, one side of above-mentioned pitman (17) forms cylindrical shape rod (27), described cylindrical shape rod (27) has the bearing installation portion (28,29) that will form for the keyway that inserts parallel key separates at certain intervals, and forms the screw hole of certain depth in the end; Opposite side forms the polygon rod (26) with certain-length.Form groove (32) on the circumference of a side of above-mentioned polygon rod (26), described groove (32) is inserted and hangs up the ball of the upper bulb stopper that forms of polygon pipe at above-mentioned securing member (20,20a) (31,31a).
As mentioned above, the present invention forms the securing member of being combined with pitman on the main body of seeding plough, form pitman at movable pulley, pitman (17) inserts the polygon intubate (20,20a) of above-mentioned right side securing member (23) and left side securing member (25), thereby hang up the ball of bulb stopper (31,31a) at the groove of pitman (17), thereby keep the bonding state of movable pulley.
That is, the external force more than the present invention only applies necessarily by the horizontal direction to pitman (17) just can simply to sower coupled/separated movable pulley, therefore can conveniently be carried out for the operation that arranges or separate mobile is taken turns.And, be not as prior art, use other to be used for the fixedly steady pin of movable pulley, can prevent thus: due to lose steady pin or forget steady pin is set and in the process of walking movable pulley separate from sower, the damage of contingent sower or personal injury thus.
In addition, the foreign steamer of above-mentioned rolling bearing (18) and one-way clutch bearing (19) is arranged on the internal side diameter of the wheel hub (30) that the above-mentioned support of bearing (14) has at certain intervals discretely, and the interior wheel of above-mentioned two bearings (18,19) is arranged on the outer peripheral face of pitman (17) with the structure that fixes by key.
Be configured in rolling bearing (18) that the bearing installation portion (28,29) of above-mentioned pitman (17) is installed respectively and one-way clutch bearing (19) on the same axis of above-mentioned a pair of movable pulley (13,13a), take the direct of travel of sower as benchmark, at the outside of right side movable pulley (13) configuration rolling bearing (18), in inboard configuration one-way clutch bearing (19); At the inboard of left side movable pulley (13a) configuration rolling bearing (18), in outside configuration one-way clutch bearing (19).
Why as described above in a pair of movable pulley (13,13a) configuration rolling bearing and one-way clutch bearing, and be different with the position configuration of these bearings, be because successfully the supported weight load that reaches the sower of 100kg～150kg can make again sower move.
Especially, direction with the one-way clutch bearing rotation, make the left side spill be because, traditional one-way clutch bearing, therefore from the direction of rotation, the left side is the structure that shielding processing, right side have circulation lubricating oil, can prevent that foreign matter from invading bearing inside, seeding operation particularly will be considered the operating environment of the foreign matters such as multiple earth or dust, configures bearing.
In addition, be applied at sower that under the state of power, the side to handle applies motive force, and the rotating speed of side wheel is accelerated, thereby make sower in the situation that rotate or conversion direction in the original place, prevent that by one-way clutch bearing opposite side wheel reverse rotation from preventing that sower from retreating, thereby can prevent the security incident that causes that retreats of sower that the operator does not expect.
In addition, the rotating speed more than the rotating speed of axle of the mobile second roller that all rotates with certain speed to be subject to power with wheel of both sides of sower is rotated, thereby obtain action effect that sower is advanced fast.
On the other hand, if the driven force transmitting device cuts off the power to the movable pulley connection of sower of the present invention, the axle of the second roller of above-mentioned movable pulley institute combination becomes idling conditions, but therefore above-mentioned movable pulley positive rotation or despining, thus can make sower advance or retreat with unpowered state.
Namely, sower with movable pulley of the present invention can be when non-sowing be moved, can advance by the power of engine or operator's motive force, can be on the road with less sweep conversion direction and moving, can advance or move backward by operator's motive force or tractive force under the unpowered state of the power that has cut off engine
In addition, as shown in Figure 9, the wheel hub (30) of the above-mentioned support of bearing (14) forms the flange (33) in a plurality of door bolts holes (37) of boring a hole at certain intervals in its periphery, gripper shoe (34) combination that by screw, central portion is connected at above-mentioned flange (33).
Above-mentioned gripper shoe (34) constitutes, and as shown in Figure 11, to have certain thickness steel, outside diameter is uniformly-spaced distributed and form four jiaos of intercepting sections (35), and with framework (36) combination of bolts and nuts and movable pulley.
As above such, be adjacent in four jiaos of intercepting sections (35) of gripper shoe (34) and the framework (36) of above-mentioned wheel, and by the bolts and nuts combination, door bolt hole (37) combination of also by bolts and nuts, above-mentioned gripper shoe (34) being bored a hole at the flange (33) of above-mentioned wheel hub (30), thereby the associativity for a pair of movable pulley (13,13a) significantly improves, thereby by the power that is delivered to, easily realize rotatablely moving of movable pulley (13,13a).
If illustrate in greater detail the mechanism to movable pulley transferring power of the present invention, if the output of above-mentioned engine (8) is delivered to above-mentioned decelerator (9), by above-mentioned clutch (10) with the transmission of power of decelerator (9) to above-mentioned power transmission (12).
The power that as above is delivered to like that power transmission (12) is delivered to right side sprocket wheel (22) by band (11), thereby carry out rotatablely moving of above-mentioned right side sprocket wheel (22), axle (3a) combination of second roller (3) on described right side sprocket wheel (22) and the right side that is positioned at above-mentioned second roller (3).
By rotatablely moving of right side sprocket wheel (22), be rotated with the axle (3a) of the second roller of above-mentioned right side sprocket wheel (22) combination, the right side securing member (23) that connects by rod bolt on right side sprocket wheel (22) is rotated with the left side securing member (25) of combination on left side sprocket wheel (24), the above-mentioned pitman (17) that is inserted into this right side securing member (23) and left side securing member (25) is rotated, and the wheel hub (30) with support of bearing (14) of establishing at the upper axle of pitman (17) is rotated.
Like this, if wheel hub (30) rotation, with framework (36) rotation of the gripper shoe (34) of wheel hub (30) combination and the above-mentioned wheel (13) of being combined by bolts and nuts with this gripper shoe (34), cause above-mentioned a pair of movable pulley (13,13a) rotation, thereby make sower carry out power mobile.
As mentioned above, be illustrated with the preferred embodiments of the present invention, but the present invention is not limited to such embodiment, and the staff that the above embodiments and existing known technology are carried out the technical field under the embodiment of simple Combination application, claims of the present invention, the present invention in embodiment can change and the technology used all should be regarded as and is included in technical scope of the present invention.
Claims (5)
1. sower (A) with power moving device, described power moving device have engine (8), roller (2,3) and a pair of movable pulley (13,13a), it is characterized in that,
Above-mentioned a pair of movable pulley (13,13a) forms with dismountable structure at the left and right sides of sower (A), and it is subject to the power of engine and drives, if cut off power, drive with external force,
Above-mentioned movable pulley comprises the support of bearing (14), wheel (15) and the securing member (16) and pitman (17) that are used for connecting power,
For above-mentioned supporting bracket (14) and pitman, to and regulate mobile rolling bearing (18) and one-way clutch bearing (19) for the load that supports sower, and separate at certain intervals on the identical axis of movable pulley (13,13a) and install.
2. the sower with power moving device as claimed in claim 1, is characterized in that,
Above-mentioned securing member (16) comprising:
Right side securing member (23), form the polygon intubate (20) that to insert bulb stopper (31) in the one side, form flange (21) at opposite side, thus with at the right side sprocket wheel (22) of axle (3a) combination of second roller (3) by the screw combination; And
Left side securing member (25) forms in the one side polygon intubate (20a) will insert bulb stopper (31) and is inserted into the left side sprocket wheel (24) of axle (3a) combination of second roller (3) and is welded and fixed,
One side of above-mentioned pitman (17) forms have the bearing installation portion cylindrical shape rod (27) of (28,29), and opposite side forms polygon rod (26),
To the polygon intubate of the above-mentioned securing member (16) that is consisted of by right side securing member (23) and left side securing member (25) (20,20a), insert respectively the polygon rod (26) of above-mentioned pitman (17).
3. the sower with power moving device as claimed in claim 2, is characterized in that,
The cylindrical shape rod (27) of above-mentioned pitman (17) is formed for rolling bearing being installed and the keyway (28,29) of one-way clutch bearing being installed at opposite side in a side, forms the screw hole of certain depth in the end,
The polygon of above-mentioned pitman (17) rod (26) has the structure and size of the polygon intubate that can be inserted into respectively above-mentioned securing member (16) (20,20a),
A lateral circumference direction at the outer peripheral face of above-mentioned polygon rod (26) forms spherical groove (32), make the bulb stopper that arranges in the polygon intubate (31,31a) ball can with its combination.
4. the sower with power moving device as described in any one of claims 1 to 3, is characterized in that,
The above-mentioned rolling bearing (18) and one-way clutch bearing (19) installed at the bearing installation portion (28,29) of above-mentioned pitman (17),
Take the direct of travel of sower as benchmark, to right side movable pulley (13), at outside configuration rolling bearing (18), in inboard configuration one-way clutch bearing (19); To left side movable pulley (13a), at inboard configuration rolling bearing (18), at outside configuration clutch bearing (19).
5. the sower with power moving device as claimed in claim 4, is characterized in that,
Form the flange (33) in a plurality of door bolts holes (37) of boring a hole at certain intervals in the periphery of the wheel hub (30) of the above-mentioned support of bearing (14),
To above-mentioned flange (33), the gripper shoe (34) that central portion is connected is utilized screw and combination,
Above-mentioned gripper shoe (34) has certain thickness, thereby and its outside diameter is formed four jiaos of intercepting sections (35) uniformly-spaced to cut apart, and utilize bolt and nut, with framework (36) combination of movable pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110369902.9A CN103120060B (en) | 2011-11-18 | 2011-11-18 | There is the sower of power moving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110369902.9A CN103120060B (en) | 2011-11-18 | 2011-11-18 | There is the sower of power moving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103120060A true CN103120060A (en) | 2013-05-29 |
| CN103120060B CN103120060B (en) | 2015-08-05 |
Family
ID=48451361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110369902.9A Expired - Fee Related CN103120060B (en) | 2011-11-18 | 2011-11-18 | There is the sower of power moving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103120060B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2402102Y (en) * | 1999-09-15 | 2000-10-25 | 江苏省盐城市农业机械化研究所 | Multifunctional baby tiller |
| US6209697B1 (en) * | 1999-07-15 | 2001-04-03 | The Hilliard Corporation | Small diameter wheel with overrunning clutch assembly |
| CN2457848Y (en) * | 2000-10-10 | 2001-11-07 | 张在洙 | Full-automatic seeder |
| US20020179391A1 (en) * | 2001-05-24 | 2002-12-05 | Cox C. Paul | Modular bi-directional overrunning wheel clutch |
| KR200352030Y1 (en) * | 2004-03-08 | 2004-06-02 | 주식회사 장 자동화 | Seedtime that epuip transfer wheel |
-
2011
- 2011-11-18 CN CN201110369902.9A patent/CN103120060B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6209697B1 (en) * | 1999-07-15 | 2001-04-03 | The Hilliard Corporation | Small diameter wheel with overrunning clutch assembly |
| CN2402102Y (en) * | 1999-09-15 | 2000-10-25 | 江苏省盐城市农业机械化研究所 | Multifunctional baby tiller |
| CN2457848Y (en) * | 2000-10-10 | 2001-11-07 | 张在洙 | Full-automatic seeder |
| US20020179391A1 (en) * | 2001-05-24 | 2002-12-05 | Cox C. Paul | Modular bi-directional overrunning wheel clutch |
| KR200352030Y1 (en) * | 2004-03-08 | 2004-06-02 | 주식회사 장 자동화 | Seedtime that epuip transfer wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103120060B (en) | 2015-08-05 |
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