CN109874498A - Air blower for cutting machine - Google Patents
Air blower for cutting machine Download PDFInfo
- Publication number
- CN109874498A CN109874498A CN201910263907.XA CN201910263907A CN109874498A CN 109874498 A CN109874498 A CN 109874498A CN 201910263907 A CN201910263907 A CN 201910263907A CN 109874498 A CN109874498 A CN 109874498A
- Authority
- CN
- China
- Prior art keywords
- cutting machine
- basal disc
- air blower
- blade
- rotating knife
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Harvester Elements (AREA)
Abstract
The present invention provide it is a kind of can on the rotating knife installation position of cutting machine end installing and dismounting, easily increase air blower function on cutting machine itself, no matter the scale of operation field, the convenience of weeding operation may be implemented and improve efficiency, the rotating knife for reaching the service life is efficiently used, it is easy to the air blower for cutting machine of ground realization resource reutilization.
Description
Technical field
The present invention relates to the air blowers used on the cutting machine for cutting off weeds and small trees (hereinafter referred to as weeds etc.).
Background technique
In the past, for cutting off the cutting machine of weeds etc., such as disclosed in Patent Document 1, have as rotary driving part
Bearing portion on the engine of position, the rotation axis end that is rotated by the driving of the engine as rotating knife installation position
The rotating blades such as the blade saw installed on pivot flange.Also, in actual cut off operation, alignment blade weeds of rotating knife etc.
Root carry out cut off operation.As: shown in special open 2018-198561 bulletin.
But using such cutting machine, such as to miscellaneous on weeds on the greenery patches in park etc. and the road shoulder of different kinds of roads
When grass etc. is cut off, cut off operation cause weeds etc. be splashed on the ground in greenery patches and the ground that is connected with road shoulder on, use
The individual engine-driven blowing plant different from cutting machine blows the weeds etc. of splashing, and one time progress cut off operation is existing
The ground of field and the cleaning of road shoulder, are collected on one side, by weeds being collected into etc., are transported to treatment plant using such as truck etc. and are carried out
Processing.
Therefore, regardless of the field size size of cut off operation, cut off operation needs cutting machine and blowing plant to lack
One can not, such as both require even if more small-scale operation field complete, cut off operation itself made to become complicated
It is cumbersome, while cutting machine is only used for cutting operation, cutting machine itself hardly results in effective use.In addition, simultaneously as cutting
The rotating knife of machine, for example, when having used blade saw, due to the scarce sword of blade and abrasion etc., when blade saw reaches the service life, Wu Fajin
On this point row recycles, and generally to discard, the recycling of blade saw (metallic matrix) is nor very ideal.
Summary of the invention
The present invention occurs in view of the above circumstances and carries out, and the purpose is to provide the rotating knife peace in cutting machine end
It fills mountable disassembly on position, can simply increase air blower function in cutting machine itself, no matter the scale of operation field is such as
What, can be easy to carry out the air blower for cutting machine of cut off operation.In addition, other purposes be in addition to above-mentioned purpose it
Outside, also providing can effectively recycle due to being mounted on cutting machine using to reach the rotating knife in service life, can be easily attained
The air blower for cutting machine of resource reutilization.
The technical scheme is that
A kind of air blower for cutting machine, which is characterized in that have the center for being formed in the approximate circle basal disc of shape
Position may be mounted to mounting hole on the rotating knife installation position of cutting machine, and in the periphery side of the mounting hole in aforementioned base
Towards the vertically disposed multiple blades in the surface of the basal disc and/or back side direction on the neighboring position of disk, in aforementioned peace
When dress hole drives the cutting machine to rotate aforementioned basal disc in the state of being installed on aforementioned cutting machine, pass through the aforementioned blade of rotation
Air can be blown according to certain orientation.Aforementioned blade is opposite multiple in the diametrical direction of the cross of aforementioned basal disc
On position, it is configured on the surface of aforementioned basal disc and/or the back side according to the same shape.In addition, aforementioned basal disc be using
It is the metallic matrix composition of the rotating knife finished or being made of resin integrated molding.
A kind of air blower for cutting machine, which is characterized in that have the center for being formed in the approximate circle basal disc of shape
Aforementioned base on position, on the periphery side of the mounting hole of the mountable rotating knife installation position in cutting machine and the mounting hole
Towards the vertically disposed multiple blades in the surface of the basal disc and/or back side direction on the neighboring position of disk, and will before
It states mounting hole to be installed in the state of aforementioned cutting machine when the cutting machine being driven to rotate aforementioned basal disc, passes through the aforementioned leaf of rotation
Piece can deliver air in prescribed direction.
The air blower for cutting machine, which is characterized in that the diameter side of the cross of aforementioned blade and aforementioned basal disc
It is vertically disposed according to the same shape progress on the surface and/or the back side of aforementioned basal disc on opposite multiple positions.Separately
Outside, the air blower for cutting machine, which is characterized in that aforementioned basal disc is the metallic matrix using the rotating knife finished.
At this moment, the metallic matrix of aforementioned rotating knife preferably sets workable opening portion when can be vertically arranged aforementioned blade in advance
Position.In addition, the air blower for cutting machine, which is characterized in that aforementioned basal disc is formed by resin forming.
By above-mentioned technical proposal, technical effect of the invention is as follows:
1, the heretofore described air blower for cutting machine, composition are that shape is that circular basal disc has and is mountable to
Mounting hole on the rotating knife installation position of cutting machine with towards neighboring position surface and/or back side direction it is vertical
The multiple blades being arranged when the cutting machine being driven to rotate basal disc in the state that mounting hole is installed to cutting machine, pass through rotation
The blade turned can transport air in prescribed direction, and therefore, the rotating knife by the way that basal disc to be installed to cutting machine end is installed
On position, it can easily increase air blower function on cutting machine itself, no matter the scale of operation field, all
The efficiency and ease for operation of cutting operation can be improved.
2, the heretofore described air blower for cutting machine, in the diametrically opposite more of the cross of blade and basal disc
It is vertically disposed according to the same shape progress on the surface and/or the back side of basal disc on a position, therefore can when basal disc rotation
To keep good balance, the offset etc. of basal disc is controlled, the air blast operation after cutting operation can be enable simple and high
Effect ground carries out.
3, the heretofore described air blower for cutting machine, since basal disc is the rotating knife using the blade saw finished etc.
Metallic matrix can be used rotating knife as air blower, be can achieve by being processed on the rotating knife for reach the service life
The recycling of resource (metallic matrix).
4, the heretofore described air blower for cutting machine, can due to having set in advance on the metallic matrix of rotating knife
The opening position used in vertical arranged blade, such as it is previously formed when manufacturing rotating knife the opening portion for blade to be arranged
Position, therefore can also use the opening position as the light weight hole of metallic matrix, while can also be easily to reaching the service life
Blade processed.
5, the heretofore described air blower for cutting machine, since basal disc is to be formed by resin forming, such as make
Blade and mounting hole be integrally formed with hard resin and can form basal disc, therefore is accomplishing that basal disc is light-weighted simultaneously,
It can be readily formed basal disc of various shapes, can inexpensively be obtained without need for carrying out following process of basal disc etc., use
The air blower of the advantages that convenient.
Detailed description of the invention
Fig. 1 is an implementation form oblique view of the cutting machine of mountable air blower of the invention.
Fig. 2 is the longitudinal direction that a part of main portions of state of air blower of the invention etc. are mounted on the identical cutting machine
Cross-section diagram.
Fig. 3 is the plan view of the air blower.
Fig. 4 is the line A-A cross-sectional view of Fig. 3.
Fig. 5 a is that one of manufacturing method of the air blower illustrates figure.
Fig. 5 b is that one of manufacturing method of the air blower illustrates figure.
Fig. 5 c is that one of manufacturing method of the air blower illustrates figure.
In figure: 1- cutting machine, 2- engine, 3- fuel tank, 4- connecting rod, 6- rotating knife installation position, 7- rotating knife, 8-
Bearing cage, 9- bearing portion, 10- pivot flange, 11- supported flange, 12- installation bolt, 13- mounting cup, 14- blade, 15- gold
Belong to matrix, 16- mounting hole, 20- air blower, 21- basal disc, the back side 21a-, the surface 21b-, 22- mounting hole, 23- blade, 23a- the
1 blade, 23a1- air-supply face, the 2nd blade of 23b-, 23b1- air-supply face, the gap 24-, 25- opening, 26- incision, イ-rotation side
To, θ-tilt angle.
Specific embodiment
It is described in detail below according to drawing for form of the invention is implemented.
FIG. 1 to FIG. 5 c is to be related to a kind of implementation form of the air blower for cutting machine of the invention.As shown in Figure 1 that
Sample, cutting machine 1 have an engine 2 as rotary driving part position driven by the gasoline etc. in fuel tank 3, and with this
The rotary shaft of engine 2 is connected, the connecting rod 4 for being mounted with handle 5 is fallen in love in volume specified position in the long side direction, and is installed on
The end of the connecting rod 4, the rotating knife installation position 6 of rotating knife 7 for being mounted with blade saw etc. etc..
It is hidden inside bearing cage 8 and the company in aforementioned connecting rod 4 as shown in Figure 2 aforementioned rotating knife installation position 6
The bearing portion 9 that spindle (not illustrating) is connected on the mounting surface of the pivot flange 10 of the bearing portion 9, passes through the method for compression
Orchid 11 and installation bolt 12, mounting cup 13 etc. install aforementioned rotating knife 7 and aftermentioned air blower 20.
Also, as shown in Figure 1, in the state of being mounted with rotating knife 7 on cutting machine 1, by driving engine 2,
Its rotary shaft is rotated according to regulation revolution, and the driving of bearing portion 9 is passed in the rotation of rotary shaft by aforementioned connecting shaft
On axis (not illustrating), the rotating knife 7 and air blower 20 being installed on the mounting surface of the pivot flange 10 of bearing portion 9 will revolve
Turn.Remove weeds etc. by the rotation of its rotating knife 7, be splashed to it is at random on ground in the state of, then pass through the rotation of air blower 20
Turn for weeds splashed on ground etc. to be collected as described later.
Then, it is illustrated for an example for being related to air blower 20 of the invention.The composition of air blower 20 of the invention is
Rotating knife 7 as described above is installed on cutting machine 1, using after a certain period of time, due to blade 14 (referring to Fig. 3) abrasion and lack
Sword etc. causes the cutting performance of rotating knife 7 to decline, and processes to the rotating knife 7 for reaching the service life.That is, such as Fig. 2 and
As shown in Figure 3, it is the basal disc 21 of subcircular that air blower 20, which has shape, and setting is formd on the center of the basal disc 21
In the mounting hole 22 of mounting hole 16 (referring to Fig. 5 a, Fig. 5 b, Fig. 5 c) and same internal diameter on the center of aforementioned rotating knife 7
Meanwhile each respectively on the neighboring position of the basal disc 21 on the periphery side of mounting hole 22 4 blades 23 are integrally formed.
Aforementioned blade 23 is on the diametric opposite position of the cross of basal disc 21, in circumferencial direction (direction of rotation
On イ) there is certain length with one fixed width w in the radial direction, be in respectively what the same shape was configured.That is, such as
Fig. 3 and as shown in Figure 4, each blade 23, have respectively be set on the rear side of the direction of rotation イ of basal disc 21,
On the back side side 21a (ground side cutting machine opposite side) of basal disc 21, θ is tilted with size h, its rotation at a certain angle
The 1st blade 23a of air-supply face 23a1 is formd on the side イ of direction, and is set to the front side of the direction of rotation イ of basal disc 21
On upper, basal disc 21 the surface side 21b (cutting machine side ground opposite side), θ inclination at a certain angle have size h, its
The 2nd blade 23b of air-supply face 23b1 is formd on the side イ of direction of rotation.
At this moment, the 2nd leaf of the front end of the 1st blade 23a of the rear direction of rotation イ side and the front direction of rotation イ side
Between the rear end of piece 23b, it is respectively provided with the gap 24 of certain size t, meanwhile, the installation of the 1st blade 23a and the 2nd blade 23b
The end of 22 side of hole, the opening 25 of the plan view circular shape of the one fixed width provided with certain length.Pass through the opening
25, as described later, the post-processing of blade 23 can be carried out on the rotating knife 7 for reaching the service life.
In addition, the tilt angle theta of aforementioned each blade 23a, 23b it is preferably provided as can aftermentioned basal disc 21 rotate when,
Very big load (resistance) can't be caused to the rotation of the basal disc 21, can sufficiently improve draft capacity, such as θ=45 degree
~80 degree, but as shown in the two-dot chain line of Fig. 4, it may be set to be slightly vertical (θ=90 degree or so).In addition, aforementioned base
The outer diameter of disk 21 is identical as the outer diameter of aforementioned rotating knife 7, is set as 230mm or 255mm, but considers from air quantity, best
It is set as 255mm.
Herein, it according to Fig. 5 a, Fig. 5 b, Fig. 5 c, is said for manufacture (processing) method for such air blower 20
It is bright.Firstly, as shown in Figure 5 a like that, it is (diametric right in ten word locations of the metallic matrix 15 above-mentioned for having reached the service life
To position) 4 positions on, towards the direction (mounting hole of its center since the neighboring position of metallic matrix 15
16 directions) carry out the processing of the narrow ringent incision 26 (ditch) of linear width respectively according to certain length.Then, such as
Shown in Fig. 5 b like that, circumferentially compared respectively according to certain length on the end of 16 side of mounting hole of each incision 26
The processing of the aforementioned opening 25 of the big circular arc shape dress of 26 width of aforementioned incision.
Like this, it is open on 25 direction of rotation two sides and is respectively formed blade-section 23a2,23b2, by each blade-section
23a2,23b2 as shown in Figure 5 c, are used up respectively appropriate tool and fixture in the arrow side ロ and carry out bending.At this moment,
Back side 15a side bending of the blade-section 23a2 of the direction of rotation rear イ side to metallic matrix 15, the front direction of rotation イ
Surface 15b side bending of the blade-section 23b2 of side to metallic matrix 15.The folding is carried out by 26 part of incision at 4
Curved operation, the 1st blade 23a and the 2nd blade 23b have just respectively obtained processing, and be just manufactured that has by gap as described above
The air blower 20 for 4 blades 23 that 24 and the 1st blade 23a and the 2nd blade 23b is constituted.
Moreover, being the metallic matrix for having reached the existing rotating knife 7 in service life used as basal disc 21 in above description
15, the processing of incision 26 and opening 25 is carried out on the specified position of the metallic matrix 15, while carrying out bending, to produce
Air blower 20, but for example in the fabrication stage of rotating knife 7, it in order to allow these post-processings to be more easier, can also prior shape
At the opening of certain shapes, hole, opening (i.e. opening position).That is, due to realizing it on the rotating knife 7 of blade saw etc.
Lightweight and prevent vibration the purpose of be provided with it is various opening etc., in order to guarantee that the post-processing of aforementioned blade 23 is more easier,
On the position of these openings etc., differentiation is set in advance, such as distinguishing the opening by opening shape etc. is added after being used for
Work.
Specifically, it when the metallic matrix 15 of rotating knife 7 forms, on the position for forming aforementioned blade 23, is formed multiple
Hole (opening position) so as to obtain with the opening position of 25 the same shape of aforementioned opening or opening 25, while being cut aforementioned
Enter to be formed multiple apertures (opening position) on 26 position.Moreover, opening position is made to have the lightweight of metallic matrix 15 and prevent
While the function of only vibrating, when rotating knife 7 reaches the service life, aforementioned apertures are used to open as aforementioned necessary to formation blade 23
Mouth 26 is in itself or as the positioning for forming opening 26, in addition, aforementioned aperture to be used to form to positioning when aforementioned incision 25.This
If sample, as 7 use of rotating knife during, can will opening position the purpose of being used for lightweight while, reach the service life
After, the position that can also will be open is as the mechanism for the post-processing that can be easy to carry out blade 23.
Then, the movement for aforementioned air blower 20 is illustrated.Installation has not up to first on aforementioned cutting machine 1
After the rotating knife 7 of certain cutting performance energy in service life carries out cutting operation and terminates operation, rotating knife is removed from cutting machine 1
7, the air blower 20 for carrying out post-processing (or passing through resin forming as described later) as described above is pacified as rotating knife 7
It is attached on cutting machine 1, that is, rotating knife 7 is replaced with air blower 20.Then, after so that cutting machine 1 is got into smooth, air blower
20 just rotate, the subaerial words of air blower 20, due to air-supply face 23a1,23b1 of each blade 23 of air blower 20
The air-flow for rotating and generating just is blown towards ground, and ground is blowed to.
At this moment, due to being installed on the blade 23 for generating air-flow of air blower 20 opposite with ten word locations of basal disc 21
In the state of be set to 4 positions, while it is prominent according to the same shape on the back side side 21a and the surface side 21b of basal disc 21
It is formed out, therefore the weight that basal disc 21 itself probably can be fifty-fifty set in the circumferencial direction overall region of basal disc 21 is flat
Weighing apparatus, it is cheap when control basal disc 21 rotates, smooth rotation is obtained, can be subtracted using the operating personnel that air blower 20 carries out operation
Light work burden etc..
In addition, since each blade 23 is respectively provided with back side 21a and surface 21b the 1st blade 23a outstanding from basal disc 21
With the 2nd blade 23b, rotate the back side side 21a and the surface side 21b that drive air to pass through basal disc 21 two of basal disc 21 are formed
A system blows to the state on ground, and the weeds cut off etc. waited on ground can efficiently blow to front etc..Moreover, cutting machine exists
While left and right directions etc. is swung, air blower 20 just changes relative to the position on ground, it is possible thereby to clean on one side
Weeds etc. are easily collected at one by ground etc. on one side, and the weeds being collected into etc. are carried out just using truckage to treatment plant
Work as processing.As long as that is, being accomplished from the weeding operation for cutting to collection of weeds etc. using cutting machine 1.
Like this, since its composition is that have 22 He of mounting hole close to disk-shaped basal disc 21 according to aforementioned cutting machine 1
Multiple blades 23, when driving cutting machine 1 to rotate basal disc 21 in the state that mounting hole 22 is installed on cutting machine 1, rotation
Blade 23 drives air-flow to blow to ground, therefore by the way that basal disc 21 to be installed on the rotating knife installation position 6 of 1 end of cutting machine,
Cutting machine 1 itself can be readily added air blower function, no matter the scale of operation field, only lean on cutting machine
1 can be carried out weeding operation, realizes convenience and improves operating efficiency.
In addition, since blade 23 is on diametrically opposite 4 position of the cross with basal disc 21, in basal disc 21
It is vertically disposed according to the same shape respectively on back side 21a and surface 21b, thus can keep well basal disc 21 rotate when
Balance inhibits the rotation offset etc. of basal disc 21, is carried out the air blast operation after weeding operation simply and efficiently.
In addition, simultaneously as the back side 21a and surface 21b of basal disc 21 are formed at the same shape, therefore air blower 20 is overleaf and table
No matter face which side can be installed on cutting machine 1, the directionality that image rotation rotor 7 pays close attention to installation like that is not needed, it can be very
It is easy to carry out the installation (switching to air blower from rotating knife 7) of air blower 20.
In addition, due to the basal disc 21 of air blower 20 be using the metallic matrix 15 of the rotating knife 7 of the blade saw finished etc., so
It is processed by the metallic matrix 15 to the rotating knife 7 for reaching the service life, so that it may by rotating knife 7 (metallic matrix 15) as drum
Blower 20 uses, and can accomplish the recycling of resource (steel plate).In addition, being set in advance on the metallic matrix 15 of rotating knife 7
In order to vertical arranged blade 23 opening position if, such as when 15 punch forming of metallic matrix, simply formed in advance can be used for
The opening position of vertical arranged blade 23, the opening position can be used as the use such as light weight hole of metallic matrix 15, can also use
In the post-processing etc. for carrying out blade 23 on the metallic matrix 15 for reaching the service life, that is to say, that air blast can be easily manufactured
Machine 20.
In addition, the situation for forming air blower 20 for the rotating knife 7 by blade saw etc. carries out in aforementioned implementation form
Illustrate, however, the present invention is not limited thereto, for example, also can be used hard resin by the basal disc 21 with mounting hole 22 and blade 23 into
Row is integrally formed to form air blower 20.Like this, with the metallic matrix 15 that uses the steel plate of aforementioned rotating knife 7 to manufacture
Compare, it is possible to provide basal disc 21 can get significantly lightweight, while do not need carry out basal disc 21 post-processing and can be very
It is readily available basal disc 21 of various shapes etc., is had excellent performance in terms of ease of use and workability and inexpensively air blower
20。
In addition, the form of number and shape of blade 23 etc. is also an example, such as leaf in aforementioned implementation form
Piece 23 is not set to 4 positions of basal disc 21 instead of, is set to 2 positions and 3 positions of diametric opposite position
Deng can also be multiple according to being arranged at equal intervals in a circumferential direction.In addition, the 1st blade 23a and the 2nd blade 23b of blade 23
Morphosis is also possible to such as the 1st blade 23a compared with the 2nd blade 23b bigger (or smaller), to make basal disc 21
The back side side 21a (the perhaps side surface 21b) air quantity is bigger or blade 23 only has the 1st blade 23a or only the 2nd leaf
Piece 23b, so as to ensure the back side 21a of basal disc 21 or certain air quantity of the surface side 21b.
In addition also it is possible to allow air-supply face 23a1,23b1 of the 1st blade 23a and the 2nd blade 23b (before the イ of direction of rotation
Face) not instead of almost plane, the curved surface of recess or the peripheral edge portion in each blade 23a, 23b are set in the radial direction
Providing walls etc. is in approximate bowl-shape (approximate dome shape) on position.It is by by air blower 20 in addition, in aforementioned implementation form
Blade 23 carries out post-processing on basal disc 21 and is integrally formed or by the way that air blower itself to be molded with resin, by blade 23
It is integrally formed with basal disc 21, can also for example distinguish each self-forming blade 23 and basal disc 21, which is passed through into welding, riveting
It the appropriate fixing means such as connects to be firmly fixed on the back side 15a and surface 15b for reaching the metallic matrix 15 in service life.As this
Sample is related to the form of air blower 20 of the present invention, do not depart from be related to each inventive concept of the invention in the range of, can use
The appropriate structure of adaptation to local conditions is constituted.
The present invention is not limited to the cutting machines of engine-driven, are also used for cleavable weeds such as DYN dynamic cutting machine etc.
All cutting machines.
Claims (5)
1. a kind of air blower for cutting machine, which is characterized in that have the centre bit for being formed in the approximate circle basal disc of shape
It sets, may be mounted to mounting hole on the rotating knife installation position of cutting machine, and in the periphery side of the mounting hole in the basal disc
Neighboring position on towards the vertically disposed multiple blades in the surface of the basal disc and/or back side direction, in the installation
It, can by the blade of rotation hole drives the cutting machine to rotate the basal disc in the state of being installed on the cutting machine when
Air is blown according to certain orientation.
2. a kind of air blower for cutting machine according to claim 1, which is characterized in that the blade is in the base
In the diametrical direction of the cross of disk on opposite multiple positions, on the surface of the basal disc and/or the back side according to the same shape
It is configured vertically disposed.
3. a kind of air blower for cutting machine according to claim 1 or 2, which is characterized in that the basal disc be using
The metallic matrix of the rotating knife finished.
4. a kind of air blower for cutting machine according to claim 3, which is characterized in that in the metal of the rotating knife
On matrix, it is provided with the opening position that can be used when being vertically arranged aforementioned blade in advance.
5. a kind of air blower for cutting machine according to claim 1 or 2, which is characterized in that the basal disc is to pass through
Resin forming and formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910263907.XA CN109874498A (en) | 2019-04-03 | 2019-04-03 | Air blower for cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910263907.XA CN109874498A (en) | 2019-04-03 | 2019-04-03 | Air blower for cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109874498A true CN109874498A (en) | 2019-06-14 |
Family
ID=66935900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910263907.XA Pending CN109874498A (en) | 2019-04-03 | 2019-04-03 | Air blower for cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109874498A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3293836A (en) * | 1964-07-29 | 1966-12-27 | Jacobsen Mfg Co | Air-supported lawn mower |
| US4257214A (en) * | 1978-12-18 | 1981-03-24 | Duffers Associates, Inc. | Cross flow rotary mower |
| CN1711425A (en) * | 2002-10-04 | 2005-12-21 | 株式会社T.Rad | Fan with ring and method of producing the same |
| CN101911884A (en) * | 2010-07-15 | 2010-12-15 | 宁波大叶园林设备有限公司 | Multi-tooth hey knife for lawn mower |
| CN201947701U (en) * | 2010-11-18 | 2011-08-31 | 湖南省烟草公司长沙市公司宁乡县分公司 | Leaf cutter with self-absorption hob |
| CN102960116A (en) * | 2012-12-17 | 2013-03-13 | 宁波协力机电制造有限公司 | Mowing blade and mower nose provided with mowing blade |
| JP2017112837A (en) * | 2015-12-21 | 2017-06-29 | 野村 勝彦 | Blower for grass mower |
-
2019
- 2019-04-03 CN CN201910263907.XA patent/CN109874498A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3293836A (en) * | 1964-07-29 | 1966-12-27 | Jacobsen Mfg Co | Air-supported lawn mower |
| US4257214A (en) * | 1978-12-18 | 1981-03-24 | Duffers Associates, Inc. | Cross flow rotary mower |
| DE2950880C2 (en) * | 1978-12-18 | 1984-04-05 | Duffers Associate, Inc., 12140 New York | Lawn mower with a driven rotor rotating around an approximately vertical axis of rotation |
| CN1711425A (en) * | 2002-10-04 | 2005-12-21 | 株式会社T.Rad | Fan with ring and method of producing the same |
| CN101911884A (en) * | 2010-07-15 | 2010-12-15 | 宁波大叶园林设备有限公司 | Multi-tooth hey knife for lawn mower |
| CN201947701U (en) * | 2010-11-18 | 2011-08-31 | 湖南省烟草公司长沙市公司宁乡县分公司 | Leaf cutter with self-absorption hob |
| CN102960116A (en) * | 2012-12-17 | 2013-03-13 | 宁波协力机电制造有限公司 | Mowing blade and mower nose provided with mowing blade |
| JP2017112837A (en) * | 2015-12-21 | 2017-06-29 | 野村 勝彦 | Blower for grass mower |
Non-Patent Citations (1)
| Title |
|---|
| 俞国胜主编: "《草坪养护机械》", 31 August 2004, 中国农业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10054131B2 (en) | High efficiency ducted fan | |
| CN1297751C (en) | Impeller for fun, fun therewith and air conditioner with the fun | |
| WO2009069606A1 (en) | Centrifugal fan | |
| EP2476912B1 (en) | Propeller fan, molding die, and fluid feed device | |
| CN1174443A (en) | Ceiling fan motors | |
| CN1294659A (en) | Axial flow fan | |
| US3885888A (en) | Cooling fan for radiators and the like | |
| CN110178571A (en) | A kind of hedge trimming head | |
| US9273696B2 (en) | Axial fan, fan rotor and method of manufacturing a rotor for an axial fan | |
| CN1765580A (en) | Protective cover of hand-held abrasive cutting wheel | |
| AU2020478845B2 (en) | Turbofan and air-conditioning apparatus | |
| CN109874498A (en) | Air blower for cutting machine | |
| US20110014052A1 (en) | Fan with structural support ring | |
| US6428277B1 (en) | High speed, low torque axial flow fan | |
| CN101624966A (en) | Wind turbine assembly | |
| CN101338768A (en) | Impeller of fan | |
| JP5752714B2 (en) | Blower and air conditioner outdoor unit equipped with the same | |
| CA2843132C (en) | Blower rotor for an axial blower | |
| JP2011098254A (en) | Vertical impact crusher | |
| CN209473046U (en) | A kind of wear Protection device of sugar-cane cutting machine wind removing machine | |
| CN109026765A (en) | Impeller, centrifugal blower and range hood for centrifugal blower | |
| JP2004027892A (en) | Centrifugal blower | |
| CN101038001A (en) | Centrifugal multiblade fan | |
| EP3536138B1 (en) | Blower attachment for a trimmer head | |
| JP2013036620A (en) | Ventilation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190614 |
|
| RJ01 | Rejection of invention patent application after publication |