CN103141222A - Handle clutch for mower - Google Patents
Handle clutch for mower Download PDFInfo
- Publication number
- CN103141222A CN103141222A CN2013100770721A CN201310077072A CN103141222A CN 103141222 A CN103141222 A CN 103141222A CN 2013100770721 A CN2013100770721 A CN 2013100770721A CN 201310077072 A CN201310077072 A CN 201310077072A CN 103141222 A CN103141222 A CN 103141222A
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- line
- ratchet
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Abstract
The invention relates to a handle clutch for a mower, which comprises a line box seat connected with a grip of the mower, wherein a knob subassembly and a grooved line wheel are mounted in the center of the line box seat; the grooved line wheel is provided with a circumferential draw hook groove, a swivel hook groove and a pull rope groove in a layered manner in sequence from the top down along an axis; a draw hook is articulated in the draw hook groove; a swivel hook is articulated in the swivel hook groove; a pull rope is laid in the pull rope groove; a stirring hook matched with the draw hook, an anti-rotation fan-shaped arc matched with the tail of the swivel hook, and a knob return spring are arranged in the middle of the inner end face of the knob subassembly in sequence from the top down; when the knob subassembly rotates clockwise, the stirring hook hooks the draw hook to drive the grooved line wheel to rotate; the swivel hook also rotates and is clamped during reverse return after passing through a pawl; in the process, the tail of the swivel hook pushes against the anti-rotation fan-shaped arc all the time; and when the head of the swivel hook is not separated from the pawl, the tail of the swivel hook is not supported by the fan-shaped arc so as to achieve unlocking. The device can quickly tension or release the pull rope, and is labor-saving to operate.
Description
Technical field
The present invention relates to a kind of mower handle arrangement of clutch, belong to the hay mower technical field.Be used for straining or loosening the stay cord of mower blade clutch, drive the blade clutch combination during stay cord tension, blade is devoted oneself to work, and drives blade clutch when stay cord loosens and breaks away from.
Background technology
Due to the needs of urban afforestation, the lawn coverage rate is more and more higher, corresponding lawn maintenance workload sustainable growth, and hay mower obtains using more and more widely.
During hay mower work, mow by the blade of High Rotation Speed, when blade clutch was in bonding state, blade was devoted oneself to work; When blade clutch is in disengaged position, blade quits work, and the combination of blade clutch or break away from by the stay cord that extends to the handle place is carried out.Because the brake spring strength of blade clutch is larger, throwing off transmission needs the friction plate of clutch to break away from fast, otherwise can unstable wear.On the other hand, blade needs operating personnel to make stay cord be in tension by clutch handle all the time when work, and the clutch handle overtension causes that easily operator's hand is tired.
Summary of the invention
The object of the invention is to, overcome problems of the prior art, a kind of mower handle arrangement of clutch is provided, the clutch stay cord is loosened fast, and when stay cord was in tension, operator's hand was not easy fatigue.
For solving above technical problem, a kind of mower handle arrangement of clutch provided by the present invention, comprise the line cassette holder that is connected to mower handle root, the axis of described line cassette holder is provided with knob dress erection column, the periphery of described knob dress erection column is provided with the line wheel installation arc of coaxial line with it, and the periphery that described line wheel is installed arc is set with band line of rabbet joint wheel; The knob dress comprises the knob dome, the middle part, outer face of described knob dome is provided with the knob outer lug boss, described knob outer lug boss is provided with the handle slot of pegging graft for clutch handle, the inner face outer rim of described knob dome covers described line wheel and installs on arc and band line of rabbet joint wheel, the inner face of described knob dome is provided with the knob sleeve pipe, and described knob sleeve pipe box is contained on described knob dress erection column; Described with on the periphery of line of rabbet joint wheel along axis from top to bottom successively layering be provided with drag hook groove, swivel hook groove and the rope groove of circumferencial direction, be hinged with drag hook by the drag hook straight pin in described drag hook groove, be hinged with swivel hook by the swivel hook straight pin in described swivel hook groove, be laid with the stay cord that drives blade clutch in described rope groove; Be provided with successively the knob return spring that group hook that matches with described drag hook, the spline fan-shaped arc that matches the rotation of prevention swivel hook with the afterbody of described swivel hook and damping knob dress rotate on described knob sleeve pipe from top to bottom, also be provided with the ratchet that matches with the head of described swivel hook in described line cassette holder; When clutch handle drive knob section dress turns clockwise, dial hook and hook the rotation of drag hook drive band line of rabbet joint wheel, band line of rabbet joint wheel drives that swivel hook rotates until the swivel hook forward is crossed when oppositely returning after described ratchet is again blocked, when the head of described swivel hook contacted forward or backwards with described ratchet, the afterbody of swivel hook was against on the cambered surface of described spline fan-shaped arc all the time; When the head of described swivel hook and described ratchet disengaged, the afterbody of swivel hook was arranged in the pit of the steep cliff structure beyond described spline fan-shaped arc cambered surface.
With respect to prior art, the present invention has obtained following beneficial effect: the center that the knob dress is installed online cassette holder, the position that the knob dress protrudes downwards is inserted in knob dress erection column and the line wheel is installed between arc, be contained in the line of rabbet joint wheel case periphery that the line wheel is installed arc, can reel be installed by the arc rotation; The hook of dialling that the drag hook of taking turns with the line of rabbet joint and knob are loaded onto is positioned at same layer and cooperatively interacts action, with the ratchet on the line cassette holder is positioned at same layer and the action that cooperatively interacts, the knob return spring that the stay cord of taking turns with the line of rabbet joint and knob are loaded onto is positioned at orlop simultaneously with the swivel hook on line of rabbet joint wheel.clutch handle is plugged in the handle slot of knob outer lug boss, depresses clutch handle the knob dress is rotated around knob dress erection column, when clutch handle drive knob section dress turns clockwise, group hook that knob is loaded onto hooks with the drag hook drive band line of rabbet joint wheel on line of rabbet joint wheel and turns clockwise, when the head with the swivel hook on line of rabbet joint wheel touches ratchet on the line cassette holder, to promote ratchet rotates counterclockwise and makes the swivel hook head cross ratchet, after the swivel hook head is crossed ratchet, the ratchet immediate replacement, the afterbody of swivel hook is resisted against all the time and on the spline fan-shaped arc of knob dress, swivel hook self can not be done to clockwise rotate in this process, on the other hand due to ratchet one-directional rotation counterclockwise, blocked by ratchet when the swivel hook head rotates counterclockwise after crossing ratchet again and blocked, band line of rabbet joint wheel is located by ratchet, dial this moment hook with load transfer to swivel hook, drag hook resets and breaks away from group hook, band line of rabbet joint wheel makes blade clutch enter duty by stay cord, although this moment, the reaction force of stay cord was very large, the pulling force of stay cord is mainly born by ratchet.This moment, knob dress and group hook were freely with respect to band line of rabbet joint wheel together, can continue no-load and turn clockwise, and the operator keeps clutch handle to be in depressing position and do not need too large strength.Lifting clutch handle fills when being rotated counterclockwise separately over certain limit knob, disengage with swivel hook and ratchet on line of rabbet joint wheel, the afterbody of swivel hook is crossed the spline fan-shaped arc that knob loads onto and is entered the pit of the steep cliff structure of spline fan-shaped arc end, the strong point of swivel hook afterbody is suddenly disappeared, swivel hook makes the swivel hook head avoid ratchet and oppositely crosses ratchet thereby can be overturn clockwise, ratchet loses the spline effect to swivel hook and band line of rabbet joint wheel, band line of rabbet joint wheel rotates counterclockwise under the effect of stay cord tension force fast, realizes release movement.So, when needing blade clutch to drop into bonding state, as long as depress clutch handle until swivel hook is locked by ratchet, the operator does not need to continue to be in depressing position with very large force retaining clutch handle; As long as the position that clutch handle lifts makes the swivel hook afterbody still contact the cambered surface of spline fan-shaped arc, clutch handle can keep the tensioning lock-out state of stay cord with very little curable grip in the angular range of correspondence.When needing blade clutch to be in disengaged position, as long as loosen and make clutch handle be raised to certain angle, stay cord is discharged rapidly.
As preferred version of the present invention, described ratchet is hinged on described line cassette holder by the ratchet straight pin, one end of described ratchet is motion end, the other end is positive stop end, described motion end contacts with the head of described swivel hook, described positive stop end is resisted against on the ratchet limited post, and described ratchet limited post is connected on described line cassette holder, and the ratchet pawl reset torsion spring that makes the ratchet positive stop end rely on described ratchet limited post also is installed on described ratchet.When the head of swivel hook touches the motion end of ratchet, promote ratchet and rotate counterclockwise the motion end that makes the swivel hook head cross ratchet, after the swivel hook head was crossed ratchet, ratchet resetted under the effect of ratchet pawl reset torsion spring, again leaned against on the ratchet limited post.
As preferred version of the present invention, drag hook return leaf spring is resisted against on the outer wall of described drag hook and the two ends of drag hook return leaf spring are plugged on respectively on drag hook return leaf spring erection column, and described drag hook return leaf spring erection column is connected on described line cassette holder.Drag hook return leaf spring makes drag hook produce the trend that clockwise rotates, and the hook of dialling of loading onto with gib head and the knob of assurance drag hook contacts well, rotates thereby make group hook can successfully drive line of rabbet joint wheel.
As preferred version of the present invention, described drag hook be provided with the drag hook stage clip interior week, described drag hook stage clip is supported on the bottom land of described drag hook groove.The drag hook stage clip makes drag hook produce the trend that rotates counterclockwise, and with the acting in conjunction of drag hook return leaf spring, makes drag hook remain on the operating position and possesses certain elasticity.
As preferred version of the present invention, cover wired lid on described line cassette holder, described line lid is provided with line lid centre bore, and described knob outer lug boss passes from described line lid centre bore, and the inner edge of described line lid centre bore is pressed in the outer face outer rim of described knob dome.The line lid can make the knob dress that is arranged in the line cassette holder and obtain good axial location with line of rabbet joint wheel.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments, and accompanying drawing only provides reference and explanation use, and is non-in order to limit the present invention.
Fig. 1 is the three-dimensional exploded view of mower handle arrangement of clutch of the present invention.
Fig. 2 is the stereogram one of taking turns with the line of rabbet joint in mower handle arrangement of clutch of the present invention.
Fig. 3 is the stereogram two of taking turns with the line of rabbet joint in mower handle arrangement of clutch of the present invention.
Fig. 4 is the stereogram of knob dress in mower handle arrangement of clutch of the present invention.
Fig. 5 is several working state schematic representations of the clutch handle of mower handle arrangement of clutch of the present invention.
Thereby the drag hook that hook hooks with line of rabbet joint wheel of dialling of Fig. 6 is clutch handle when beginning to depress knob dress drives the schematic diagram that rotates with line of rabbet joint wheel.
Fig. 7 turns to drag hook with line of rabbet joint wheel to promote the schematic diagram that ratchet rotates counterclockwise.
State diagram when Fig. 8 crosses ratchet and blocked for band line of rabbet joint wheel turns to drag hook.
Fig. 9 is that knob dress continuation rotation makes the swivel hook afterbody fall into the view of spline fan-shaped arc end steep cliff.
Figure 10 rotates counterclockwise with the line of rabbet joint wheel schematic diagram of realizing release for unclamping clutch handle fast under the effect of stay cord tension force.
In figure: 1. mower handle; 2. clutch handle; 3. stay cord sleeve pipe; 4. stay cord; 4a. stay cord pin; 5. line cassette holder; 5a. the line wheel is installed arc; 5b. knob dress erection column; 5c. ratchet; 5c1. ratchet straight pin; 5c2. ratchet pawl reset torsion spring; 5c3. ratchet limited post; 5d. drag hook return leaf spring erection column; 6. the band line of rabbet joint is taken turns; 6a. drag hook groove; 6a1. drag hook; 6a2. drag hook straight pin; 6a3. drag hook stage clip; 6a4. drag hook return leaf spring; 6b. swivel hook groove; 6b1. swivel hook; 6b2. swivel hook straight pin; 6c. rope groove; 6c1. stay cord pin hole; 7. knob fills; 7a. knob dome; 7b. knob outer lug boss; 7b1. handle slot; 7c. dial hook; 7d. spline fan-shaped arc; 7e. knob return spring; 7f. knob sleeve pipe; 8. line lid.
Embodiment
As extremely shown in Figure 5 in Fig. 1, mower handle arrangement of clutch of the present invention comprises the line cassette holder 5 that is connected to mower handle 1 root, the axis of line cassette holder 5 is provided with knob dress erection column 5b, the periphery of knob dress erection column 5b is provided with the line wheel installation arc 5a of coaxial line with it, the periphery of line wheel installation arc 5a is set with band line of rabbet joint wheel 6, and band line of rabbet joint wheel 6 can rotate by reel installation arc 5a.
As shown in Figure 4, knob fills 7 and comprises knob dome 7a, the middle part, outer face of knob dome 7a is provided with knob outer lug boss 7b, knob outer lug boss 7b is provided with handle slot 7b1, clutch handle 2 is plugged in the handle slot 7b1 of knob outer lug boss 7b, depresses clutch handle 2 and can make knob fill 7 around knob dress erection column 5b rotation.The inner face outer rim of knob dome 7a covers online wheel and installs on arc 5a and band line of rabbet joint wheel 6, and the inner face of knob dome 7a is provided with knob sleeve pipe 7f, and knob sleeve pipe 7f is sleeved on knob dress erection column on 5b.
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 6, with on the periphery of line of rabbet joint wheel 6 along axis from top to bottom successively layering be provided with drag hook groove 6a, swivel hook groove 6b and the rope groove 6c of circumferencial direction, be hinged with drag hook 6a1 by drag hook straight pin 6a2 in drag hook groove 6a, be hinged with swivel hook 6b1 by swivel hook straight pin 6b2 in swivel hook groove 6b, be laid with the stay cord 4 that drives blade clutch in rope groove 6c; Stay cord 4 is positioned at stay cord sleeve pipe 3, and the end of stay cord 4 is provided with stay cord pin 4a, and stay cord pin 4a is stuck in stay cord pin hole 6c1 on rope groove 6c sidewall.
Knob fills 7 inner face middle part and is provided with successively the knob return spring 7e that dial hook 7c, match with the afterbody of swivel hook 6b1 and stop spline fan-shaped arc 7d that swivel hook rotates and damping knob to fill 7 rotations that match with drag hook 6a1 from top to bottom.Drag hook 6a1 and swivel hook 6b1 are all installing between arc 5a in knob dress erection column 5b and line wheel.Spline fan-shaped arc 7d have very large difference in height between the cambered surface of the angular range beyond corresponding central angle and spline fan-shaped arc 7d, make the cambered surface end formation steep cliff structure of spline fan-shaped arc 7d.
Also be provided with the ratchet 5c that matches with the head of swivel hook 6b1 in line cassette holder 5, ratchet 5c is by on the hinged online cassette holder 5 of ratchet straight pin 5c1, the end of ratchet 5c is motion end, the other end is positive stop end, motion end contacts with the head of swivel hook 6b1, positive stop end is resisted against on ratchet limited post 5c3, ratchet limited post 5c3 connects on online cassette holder 5, the ratchet pawl reset torsion spring 5c2 that makes the ratchet positive stop end rely on ratchet limited post 5c3 also is installed on ratchet 5c, the end of ratchet pawl reset torsion spring 5c2 is enclosed within on ratchet limited post 5c3, and the other end is not at the positive stop end of ratchet 5c.
As Fig. 1 and shown in Figure 6, be positioned at same layer and cooperatively interact action with the drag hook 6a1 on line of rabbet joint wheel 6 and group hook 7c that knob fills on 7,, take turns with the line of rabbet joint knob return spring 7e that stay cord 4 on 6 and knob fill on 7 and be positioned at simultaneously orlop with the ratchet 5c on line cassette holder 5 is positioned at same layer and the action that cooperatively interacts with the swivel hook 6b1 on line of rabbet joint wheel 6.
Drag hook return leaf spring 6a4 is resisted against on the outer wall of drag hook 6a1 and the two ends of drag hook return leaf spring 6a4 are plugged on respectively on drag hook return leaf spring erection column 5d, and drag hook return leaf spring erection column 5d connects on online cassette holder 5.Drag hook 6a1 is provided with drag hook stage clip 6a3 interior week, and drag hook stage clip 6a3 is supported on the bottom land of drag hook groove 6a.The trend that drag hook return leaf spring 6a4 makes drag hook 6a1 produce to clockwise rotate, the hook 7c that dials that fills on 7 with gib head and the knob that guarantees drag hook 6a1 contacts well, dials hook 7c and can successfully drive the line of rabbet joint and take turns 6 rotations thereby make.Drag hook stage clip 6a3 makes drag hook 6a1 produce the trend that rotates counterclockwise, and with drag hook return leaf spring 6a4 acting in conjunction, makes drag hook 6a1 remain on the operating position and possesses certain elasticity.
Cover wired lid 8 on line cassette holder 5, line lid 8 is provided with line lid centre bore, and knob outer lug boss 7b passes from line lid centre bore, and the inner edge of line lid centre bore is pressed in the outer face outer rim of knob dome 7a.Line lid 8 makes the knob of installing in online cassette holder 5 fill 7 and obtain good axial location with line of rabbet joint wheel 6.
As shown in Figure 6, when clutch handle 2 drive knob sections fill 7 when turning clockwise, the hook 7c that dials that knob fills on 7 hooks and drives band line of rabbet joint wheel 6 with the drag hook 6a1 on line of rabbet joint wheel 6 and turn clockwise.
as shown in Figure 7 and Figure 8, when the head of swivel hook 6b1 touches the motion end of ratchet 5c, promote ratchet 5c and rotate counterclockwise the motion end that makes swivel hook 6b1 head forward cross ratchet 5c, after swivel hook 6b1 head is crossed ratchet 5c, ratchet 5c resets under the effect of ratchet pawl reset torsion spring 5c2, again lean against on ratchet limited post 5c3, the afterbody of swivel hook 6b1 was resisted against knob and filled and on 7 spline fan-shaped arc 7d, swivel hook 6b1 self can not be done to clockwise rotate this moment, on the other hand due to ratchet 5c one-directional rotation counterclockwise, blocked by ratchet 5c when swivel hook 6b1 head rotates counterclockwise after crossing ratchet 5c again and blocked, band line of rabbet joint wheel 6 is located by ratchet 5c, dial this moment hook 7c with load transfer to swivel hook 6b1, drag hook 6a1 resets and dials hook 7c disengaging, band line of rabbet joint wheel 6 makes blade clutch enter duty by stay cord 4, although this moment, the reaction force of stay cord 4 was very large, the pulling force of stay cord 4 is mainly born by ratchet 5c, this moment, knob filled 7 and to dial hook 7c be freely with respect to band line of rabbet joint wheel 6 together, can continue no-load turns clockwise, the operator keeps clutch handle 2 to be in depressing position and does not need too large strength.
As shown in Figure 9 and Figure 10, lifting clutch handle 2 makes knob fill 7 when being rotated counterclockwise separately over certain limit, the afterbody of swivel hook 6b1 is crossed knob and is filled the steep cliff that spline fan-shaped arc 7d on 7 enters spline fan-shaped arc end, the strong point of swivel hook 6b1 afterbody is suddenly disappeared, thereby avoid ratchet 5c thereby swivel hook 6b1 can be overturn clockwise make swivel hook 6b1 head to be retracted in the groove of line wheel under the effect of stay cord tension force, ratchet 5c loses the spline effect to band line of rabbet joint wheel 6, band line of rabbet joint wheel 6 rotates counterclockwise under stay cord 4 tension force effects fast, realizes release movement.
The above only is the present invention's better possible embodiments, and is non-so limit to scope of patent protection of the present invention.In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (5)
1. mower handle arrangement of clutch, it is characterized in that: comprise the line cassette holder that is connected to mower handle root, the axis of described line cassette holder is provided with knob dress erection column, the periphery of described knob dress erection column is provided with the line wheel installation arc of coaxial line with it, and the periphery that described line wheel is installed arc is set with band line of rabbet joint wheel; The knob dress comprises the knob dome, the middle part, outer face of described knob dome is provided with the knob outer lug boss, described knob outer lug boss is provided with the handle slot of pegging graft for clutch handle, the inner face outer rim of described knob dome covers described line wheel and installs on arc and band line of rabbet joint wheel, the inner face of described knob dome is provided with the knob sleeve pipe, and described knob sleeve pipe box is contained on described knob dress erection column; Described with on the periphery of line of rabbet joint wheel along axis from top to bottom successively layering be provided with drag hook groove, swivel hook groove and the rope groove of circumferencial direction, be hinged with drag hook by the drag hook straight pin in described drag hook groove, be hinged with swivel hook by the swivel hook straight pin in described swivel hook groove, be laid with the stay cord that drives blade clutch in described rope groove; Be provided with successively the knob return spring that group hook that matches with described drag hook, the spline fan-shaped arc that matches the rotation of prevention swivel hook with the afterbody of described swivel hook and damping knob dress rotate on described knob sleeve pipe from top to bottom, also be provided with the ratchet that matches with the head of described swivel hook in described line cassette holder; When clutch handle drive knob section dress turns clockwise, dial hook and hook the rotation of drag hook drive band line of rabbet joint wheel, band line of rabbet joint wheel drives that swivel hook rotates until the swivel hook forward is crossed when oppositely returning after described ratchet is again blocked, when the head of described swivel hook contacted forward or backwards with described ratchet, the afterbody of swivel hook was against on the cambered surface of described spline fan-shaped arc all the time; When the head of described swivel hook and described ratchet disengaged, the afterbody of swivel hook was arranged in the pit of the steep cliff structure beyond described spline fan-shaped arc cambered surface.
2. mower handle arrangement of clutch according to claim 1, it is characterized in that: described ratchet is hinged on described line cassette holder by the ratchet straight pin, one end of described ratchet is motion end, the other end is positive stop end, described motion end contacts with the head of described swivel hook, described positive stop end is resisted against on the ratchet limited post, and described ratchet limited post is connected on described line cassette holder, and the ratchet pawl reset torsion spring that makes the ratchet positive stop end rely on described ratchet limited post also is installed on described ratchet.
3. mower handle arrangement of clutch according to claim 1, it is characterized in that: drag hook return leaf spring is resisted against on the outer wall of described drag hook and the two ends of drag hook return leaf spring are plugged on respectively on drag hook return leaf spring erection column, and described drag hook return leaf spring erection column is connected on described line cassette holder.
4. mower handle arrangement of clutch according to claim 1 is characterized in that: described drag hook be provided with the drag hook stage clip interior week, described drag hook stage clip is supported on the bottom land of described drag hook groove.
5. the described mower handle of any one arrangement of clutch according to claim 1 to 4, it is characterized in that: cover wired lid on described line cassette holder, described line lid is provided with line lid centre bore, described knob outer lug boss passes from described line lid centre bore, and the inner edge of described line lid centre bore is pressed in the outer face outer rim of described knob dome.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310077072.1A CN103141222B (en) | 2013-03-12 | 2013-03-12 | Handle clutch for mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310077072.1A CN103141222B (en) | 2013-03-12 | 2013-03-12 | Handle clutch for mower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103141222A true CN103141222A (en) | 2013-06-12 |
| CN103141222B CN103141222B (en) | 2015-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310077072.1A Active CN103141222B (en) | 2013-03-12 | 2013-03-12 | Handle clutch for mower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103141222B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731592A (en) * | 2017-11-14 | 2018-02-23 | 宁波奇亚园林工具有限公司 | A kind of switch enclosure with protection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4058957A (en) * | 1976-07-28 | 1977-11-22 | Outboard Marine Corporation | Deadman control and blade clutch for power rotary lawn mowers |
| US4667459A (en) * | 1985-03-14 | 1987-05-26 | Roper Corporation | Two action control for power mowers |
| CN200987287Y (en) * | 2006-12-12 | 2007-12-12 | 福田雷沃国际重工股份有限公司 | Master clutch operating device for corn combine harvester |
| CN201078900Y (en) * | 2007-09-11 | 2008-07-02 | 姚惠敏 | Pulling wire type clutch |
| CN203136534U (en) * | 2013-03-12 | 2013-08-21 | 扬州维邦园林机械有限公司 | Lawn mower handle clutch mechanism |
-
2013
- 2013-03-12 CN CN201310077072.1A patent/CN103141222B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4058957A (en) * | 1976-07-28 | 1977-11-22 | Outboard Marine Corporation | Deadman control and blade clutch for power rotary lawn mowers |
| US4667459A (en) * | 1985-03-14 | 1987-05-26 | Roper Corporation | Two action control for power mowers |
| CN200987287Y (en) * | 2006-12-12 | 2007-12-12 | 福田雷沃国际重工股份有限公司 | Master clutch operating device for corn combine harvester |
| CN201078900Y (en) * | 2007-09-11 | 2008-07-02 | 姚惠敏 | Pulling wire type clutch |
| CN203136534U (en) * | 2013-03-12 | 2013-08-21 | 扬州维邦园林机械有限公司 | Lawn mower handle clutch mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731592A (en) * | 2017-11-14 | 2018-02-23 | 宁波奇亚园林工具有限公司 | A kind of switch enclosure with protection device |
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| Publication number | Publication date |
|---|---|
| CN103141222B (en) | 2015-01-21 |
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