KR20130120061A - The bevel gear is applied the brush cutter knife and knife operating method and knife operating device - Google Patents

The bevel gear is applied the brush cutter knife and knife operating method and knife operating device Download PDF

Info

Publication number
KR20130120061A
KR20130120061A KR1020120043033A KR20120043033A KR20130120061A KR 20130120061 A KR20130120061 A KR 20130120061A KR 1020120043033 A KR1020120043033 A KR 1020120043033A KR 20120043033 A KR20120043033 A KR 20120043033A KR 20130120061 A KR20130120061 A KR 20130120061A
Authority
KR
South Korea
Prior art keywords
blade
driving
blades
drive
gear
Prior art date
Application number
KR1020120043033A
Other languages
Korean (ko)
Inventor
류욱현
Original Assignee
류욱현
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 류욱현 filed Critical 류욱현
Priority to KR1020120043033A priority Critical patent/KR20130120061A/en
Publication of KR20130120061A publication Critical patent/KR20130120061A/en

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/73—Cutting apparatus
    • A01D34/733—Cutting-blade mounting means
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/76—Driving mechanisms for the cutters
    • A01D34/77—Driving mechanisms for the cutters actuated by advance of the machine
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
    • A01D69/06—Gearings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B39/00—Other machines specially adapted for working soil on which crops are growing
    • A01B39/12—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture
    • A01B39/18—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture for weeding
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/82—Other details

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)

Abstract

The present invention relates to: a brush cutter driving apparatus capable of cutting grasses and weeds by crossing each of blades by rotating, in the opposite directions to each other, the plate-shaped blades which are vertically installed; a brush cutter driving apparatus which is applied with a bevel gear and which is capable of improving brush cutter performance and increasing the durability of the brush cutter by applying a bevel gear so that the load that is transferred to a brush cutter engine is minimized and the rotating force of the blades is increased; and to a brush cutter driving apparatus applied with a bevel gear, a method for a driving brush cutter blade, and the structure of a brush cutter blade. The brush cutter driving apparatus is equipped with a bevel gear which rotates the vertically installed blades which cut grosses and weeds by connecting with a driving shaft, and a bevel gear is applied so that an internal gear shaft and an external gear shaft rotate in the opposite directions by driving an internal gear and an external gear which rotate by engaged with a main gear by driving force transferred through a driving shaft, thereby reducing vibration and noises during high speed driving. A bevel gear is applied for driving the internal and external gear shafts in the opposite directions, and the structure is simply configured to reduce the weight of the brush cutter, thereby minimizing fatigue during working. When grasses and weeds to be cut are cut, force is offset at a peak point when a stone other than a subject to be cut is bumped when an upper blade and a lower blade are driven in the opposite directions, thereby safely driving the brush cutter driving apparatus.

Description

The bevel gear is applied the brush cutter knife and knife operating method and knife operating device}

The present invention relates to a lawnmower drive device that allows cutting of grass or weeds by rotating the blades in a plate shape installed up and down in opposite directions to each other, thereby increasing the rotational force of the blades. At the same time, the present invention relates to a lawnmower drive device using the bevel gear, and a method and a blade structure to which the bevel gear is applied to minimize the occurrence of load, thereby improving the mower performance and increasing durability.

Generally, a grass cutter is a device that cuts and removes grass, weeds, and the like formed on the ground by transferring the power supplied through the internal combustion engine or electricity to the blade so as to perform rotation or linear motion.

According to a conventional conventional lawn-mowing machine, a power unit for generating power required for driving a blade is configured to be movable so that the user can carry it easily, and a hand unit extending from the main unit to the ground, A housing for allowing a blade to be mounted on an end of the working rod, a power device of the main body through the inside of the working rod, and a blade of the housing to connect the power to the power device And the housing is provided with a knife through the handle to move to a desired position on the ground to cut grass, weeds and the like while the operator carries the lawn mower to the body and smooth movement is performed.

In the conventional lawn mower as described above,

Publication No. 10-2003-0028996 relates to the structure of the drive unit of the lawn mower,

A flexible shaft is connected to the power transmission unit of the engine, and a work rod having a rotating shaft which is connected to the flexible shaft and rotates to be supported by rotation by a bearing is connected to an end of the flexible shaft, and an engine power is connected to an end of the work rod. In the lawn mower provided with a drive unit that receives the drive through the rotary shaft, the drive unit is inclined first shaft coupling portion is formed in one side and the second shaft coupling portion in the vertical direction on one side and the driving bevel gear is integrated at one end The inner ring of the first bearing is integrally formed at the other end and is installed by the second bearing and the third bearing in the second shaft coupling portion and the boss installed in the first shaft coupling portion, and the drive at the upper end thereof. The driven bevel gears, which are driven by the bevel gears and are driven by the driving force, are integrally formed with a driven shaft.

Application No. 10-2006-0041050 relates to a mower,

An engine that burns fuel in a combustion chamber to generate rotational force by the force, a DC generator that generates a DC power by the rotational force of the engine, and a DC power generated by the DC generator and driven on and off by a drive switch A body pipe having a motor, the drive motor is provided at one end thereof, and a handle which a user can hold by hand; and a cutter blade installed at the tip of the body pipe to receive and rotate the driving force of the drive motor; It shows that it comprises a connection line for transmitting the power generated in the DC generator to the drive motor and having a predetermined length to adjust the distance between the engine and the drive motor.

However, according to the construction of the conventional lawn mower mentioned above, since the size and weight of the work rod to be gripped by hand are limited in order to reduce the fatigue of the mowing work which takes a long time, the diameter of the drive shaft passing through the work rod is reduced, There is a problem that it is difficult to supply sufficient force. Therefore, when the amount of grass in the mowing operation is large, the cutting force is reduced and a load of rotation is generated, thereby causing various functional failures.

The present invention has been made in order to solve the above problems of the prior art, the upper and lower blades in the opposite direction by mounting a bevel gear for driving the rotation of the upper and lower blades for cutting grass or weeds connected to the drive shaft As a result, the upper and lower blades can minimize the repulsive force when cutting grass or weeds, which is the workpiece, thereby reducing the rotational load concentrated on the drive shaft, preventing failure, improving the durability of the device, and beveling It is completed as a technical task with the focus on providing a mower drive device using a bevel gear that can reduce the weight of the mower by applying gears to minimize the fatigue of the worker's work.

According to the present invention for achieving the above object is a drive shaft and the upper, lower blades by a housing including one side of the blade driving portion, a blade consisting of a pair of plate and the blade is driven power is driven in a conventional mower configuration In the drive device of the blade cutter blade configured to rotate so that the drive shaft is rotated by the power transmission means of the blade drive unit to drive the blade, wherein the blade is composed of the upper and lower blades and the drive shaft Bevel gears connected to each other are connected to each other and are connected to each other in the form of a circular plate. It is characterized by being configured to rotate by cutting.

In addition, the blade is composed of a bevel gear that is driven in engagement with the drive shaft of the blade drive unit is configured to be grounded mutually in a circular shape of the plate, the hollow portion is formed inside the upper cover is fixed to the hollow portion of the upper blade, the lower blade The hollow portion of the lower cover is formed of a binding, and engaged with the drive shaft, the internal gear for driving the lower cover is configured to drive the upper cover, the external gear for rotating the meshed with the drive shaft, driving the upper cover Is configured to drive the lower cover, and to solve the problem as the internal gear and the external gear is configured to rotate by cutting in the opposite direction to each other.

According to the lawn mower driving device applying the bevel gear according to the present invention, the internal gear shaft and the external gear shaft can rotate in opposite directions by driving the internal gear and the external gear, which rotate by engaging the power transmitted through the drive shaft with the main gear. Bevel gear is applied so that vibration or noise is small even in the state of high-speed operation, and bevel gear is applied in the opposite direction to reduce the weight of mower and minimize fatigue. When cutting the blades or weeds, the upper blades and the lower blades are driven in opposite directions when the stones other than the workpieces are canceled at a certain point because the force is canceled, so that the effect can be a great invention.

1 is a side cross-sectional view showing a preferred embodiment of the present invention
Figure 2 is a side cross-sectional view showing the connection of the configuration of the present invention.
Figure 3 is a side cross-sectional view showing the connection of the drive shaft and the internal and external gears, which is the core configuration of the present invention.
Figure 4 is a side cross-sectional view showing each driving direction of the configuration of the present invention
Figure 5 is a side cross-sectional view showing each drive direction and connection of the configuration of the present invention
Figure 6 is a side cross-sectional view showing the driving direction and connection of the upper blade of the configuration of the present invention
Figure 7 is a side cross-sectional view showing the driving direction and connection of the lower blade of the configuration of the present invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

The mower drive device using the bevel gear of the present invention relates to a mower drive device in which cutting is performed while the upper and lower blade portions overlap and cross each other among various cutting methods and configurations, and has been mentioned in the related art for the mower. As described above, the blade drive unit is different from the other types of mowers, but as the other motor, power generation and transmission to the drive are the same as those of the conventional mower.

Therefore, the present invention also has the same configuration that the external power generated by the conventional mower configuration is transmitted to the mechanical parts, the same in the method using the upper, lower blades (200, 300), but the blade mower directly driven blade There is a feature of the invention in the construction and method of the drive system.

The components will be described first, the blade driving unit and the blade 200 and the blades 200, which are made of components for interlocking the blades 200, 300 through the power transmission member for driving the blades 200, 300 by the power transmitted from the motor. The housing 100 in which 300 is configured inside is constructed.

The housing 100 has a drive shaft 110 through which power is transmitted is inserted from the outside, the workpiece to be cut when driven, and the blades 200 and 300 are rotatable inside the housing 100. It is fixedly coupled to, and the power generated from the outside of the housing 100 is finally connected to the drive shaft 110 through a power transmission unit to rotate the gear unit to rotate the blades (200, 300), the gear unit blade ( 200, 300 is seated in the through-holes configured on one side is fixedly fixed, the blade of the lawn mower is configured to be driven by the drive of the drive shaft 110, this structure is a fact described in the aforementioned prior art.

Hereinafter, referring to the drawings illustrated in FIGS. 1 to 3, a blade driving unit for driving power by driving power in a conventional mowing device configuration, a blade configured as a pair of plate shapes, and a housing including one side of the blade In the drive shaft and the upper, lower blades are configured to be rotatable, the drive shaft of the lawn mower blade driving device is configured to rotate the drive shaft by the power transmission means of the blade drive unit, the blade is upper, It is composed of the lower blades (200, 300) is driven by the operation of the bevel gear meshing with the drive shaft 110, and is configured to be grounded to each other in a circular shape of the plate, it is configured to rotate by cutting in opposite directions to each other.

When the upper and lower blades 200 and 300 are driven by the operation of the bevel gear, and the upper and lower blades 200 and 300 are rotated and cut in the opposite directions to each other, the characteristics of the bevel gear are high. The vibration or noise is small even in the state, and the structure is simple to reduce the weight of the lawn mower so that the worker can minimize the fatigue during work.

The blades are configured to be grounded to each other in a circular plate shape, the hollow portion is formed inside the upper cover 210 to the upper portion of the upper blade 200 is bound to the connecting member 230, the lower blade 300 to the lower The lower cover 310 is connected to the lower cover 310 by being connected to the driving shaft 110, the lower cover 310 is connected to the drive shaft 110, and is configured to drive through the hollow portion of the upper, lower blades (200, 300). A gear 320 and an external gear 220 which is driven in engagement with the drive shaft 110 but connected to the upper cover 210 are included so that the internal gear 320 and the external gear 220 are opposite to each other. It is configured to be rotated and cut.

Here, the internal gear 320 should be configured directly on the inner circumferential surface of the hollow portion of the upper blade 200.

When the upper and lower covers 210 and 310 and the upper and lower blades 200 and 300 are connected, the connecting members 230 and 330 have strong fastening force such as bolts that are commonly used.

When the upper and lower blades 200 and 300 rotate in the opposite directions as described above, when cutting the grass or the weeds to be cut, the upper and lower blades are driven in opposite directions, and stones other than the cut are hit. At any point, the force of the blade cancels out so that it can be driven safely.

The driving ratio of the drive shaft 110, the internal gear 320 and the external gear 220 to rotate in engagement with the drive shaft 110 should be adjustable according to the inclination angle of the drive shaft 110.

This will be described in another embodiment, the power transmitted from the drive shaft 110 when the angle of the drive shaft 110 and the internal gear 320, the external gear 220 is configured at right angles to the external gear 320 and the external. Since the gear 220 is the same, the ratio of driving the upper blade 200 and the lower blade 300 is 1: 1.

As described above, the angles for the drive shaft 110 and the gears fit the convenience of the operator during the manufacture of the lawn mower, and can be manufactured at an angle that can minimize the load on the engine during the operation, which can be applied to various angles according to use. It is.

When the blades (200, 300) will be described, the upper and lower blades (200, 300) of the plate shape are installed facing each other, the upper and lower blades (200, 300) are mounted in opposite directions, respectively, by the mounting of the bevel gear In the blade structure of the lawn mower to cut the grass or weeds to be made by rotating, the blades (200, 300) is composed of a circular plate, the outer blade is formed with a protruding blade shape of the saw blade, the center inside The furnace is a structure in which the hollow part is formed.

The internal gear 320 is formed by binding to the inner circumferential surface of the circular hollow part formed in the blades 200 and 300, and the internal gear 320 may be directly configured into the hollow part.

In addition, the blade is configured in the form of a plate-shaped circular but protruding in the form of a saw blade to the outer end is configured to selectively form the blade at the left or right end and a hollow portion is formed on one side of the center, the upper blade 200 is the gears It is configured to form a thread on the inner circumferential surface of the hollow portion so as to rotate in contact with.

In the present invention, a separate configuration of the internal gear 320 having the gear part formed on the inner circumferential surface of the circular hollow part is described. In addition, the lower blade 300 may be configured by connecting directly to the internal gear 320 without the hollow portion.

1 and 2, the housing 100 includes an upper cover 210 and an upper cover 200 and a lower blade 300 which can prevent damage to a cover and a driving member from an upper portion and a lower portion. Lower cover 310 should be configured.

The drive shaft and the upper and lower blades are rotatably coupled by a housing including a blade driving portion for driving power to the blades, a blade configured as a pair of plate and one side of the blades, in a conventional mower configuration, In the drive method of the mower blade for driving the blade of the mower by the drive shaft is rotated by the power transmission means of the blade drive unit, the blade is composed of the upper, lower blades (200, 300) to drive in engagement with the drive shaft (110). It is driven by the operation of the bevel gear, it is configured to be grounded to each other in the form of a circular plate, it is a method of cutting by rotating in the opposite direction.

Looking at the driving of the upper blade 200 and the lower blade 300 through the drive shaft 110 with reference to Figure 4 to 7,

First, referring to FIGS. 4, 5, and 7, when looking at the driving of the lower blade 300, the drive shaft 110 is rotated by the power transmitted through the power transmission means, and rotates in engagement with the drive shaft 110. The internal gear 320 is to be driven.

The internal gear 320 extends downward through the inner circumferential surface of the hollow portion of the upper blade 200, which is connected to the lower cover 310 to be driven.

When the lower cover 310 is driven as described above, the lower blade 300 connected to the lower cover 310 is rotated.

Referring to Figure 4, 5, 6, when looking at the driving of the upper blade 200, the drive shaft 110 is rotated by the power transmitted through the power transmission means, the external rotation to rotate in engagement with the drive shaft 110 The gear 220 is to drive.

The external gear 220 surrounds the outer circumference of the internal gear 320, which is connected to the upper cover 210 formed between the external gear 220 and the upper blade 200 to be driven.

When the upper cover 210 is driven as described above, the upper blade 200 connected to the upper cover 210 is to be rotated.

Looking at the rotational direction of the upper blade 200 and the lower blade 300 connected as described above with reference to Figures 4 to 7, first, the rotational direction of the external gear 220 to rotate in engagement with the drive shaft 110, the opposite direction, The direction will be reversed.

As shown in FIGS. 4, 5, and 6, the rotation of the upper blade 200 meshes with the drive shaft 110 so that the external gear 220 rotates in the same direction as the drive shaft 110, and the external gear 220 rotates. The upper cover 210 and the upper blade 200, which are configured to be sequentially connected to the external gear 220 due to the rotation of the), will rotate in the forward direction.

As shown in FIGS. 4, 5, and 7, the rotation of the lower blade 300 meshes with the driving shaft 110 so that the internal gear 320 rotates in the opposite direction to the driving shaft 110, and the internal gear 320 is rotated. The lower cover 310 and the upper blade 200 which are configured to be connected to the internal gear 320 sequentially through the hollow inner circumferential surface of the upper blade 200 due to the rotation of the upper blade 200 are rotated in the reverse direction.

If described in detail with reference to Figures 4 to 7 the driving method according to the configuration of the drive device of the blade cutter capable of rotating the two blades of the present invention configured as described above,

As described above, the blade driving unit for driving the blade by transmitting the blade and external power is configured inside the housing 100 and the housing 100 and through a through hole in the center in the form of a pair of upper and lower plates. It is fixedly coupled to the housing 100, the blade formed on the outer peripheral surface protrudes out of the housing 100 and configured to rotate horizontally reciprocating, the lower blades (200, 300) that occur outside the housing 100 The drive shaft 110 driven by receiving power is connected to the internal gear 320 and the external gear 220 so as to be connected to the drive to drive the blade of the lawn mower blade configured to be driven by the drive shaft 110. The driving method is a fact described by the prior art as mentioned above.

Accordingly, the present invention, as shown in Figs. 4 to 7, in the above-described method, the drive of the lawn mower blade connected to the drive shaft 110 is driven by the internal gear 320 is rotated in engagement with each of the drive shaft 110. And the external gear 220 is to rotate the upper blade 200 and the lower blade 300.

Here, referring to the driving of the external gear 220, as shown in FIGS. 4, 5, and 6, the external gear 220 is engaged with the driving shaft 110, and the external gear 220 is connected to the upper cover 210 so as to be connected to the upper part. The cover 210 is to be rotated. This is to rotate the upper blade 200 is connected to the upper cover 210 to the forward rotation.

Looking at the driving of the internal gear 320, as shown in Figures 4, 5, 7, the drive shaft 110 is engaged with the drive, but the internal gear 320 passes through the hollow of the upper blade 200 to the lower Is extended to rotate the lower cover 310. This is to rotate the lower blade 300 connected to the lower cover 310 to rotate in opposite directions.

The internal gear 320 and the external gear 220 which are engaged with the drive shaft 110 to drive the upper blade 200 and the lower blade 300 have opposite rotations of the internal gear 320 and the external gear 220. It drives in the direction is a method for cutting the upper, lower blades (200, 300) to drive in the opposite direction by the rotational movement of the drive shaft (110).

100 housing 110 drive shaft
200: upper blade 210: upper cover
220: external gear 230: connector
300: lower blade 310: lower cover
320: internal gear 330: connecting body

Claims (8)

The drive shaft and the upper and lower blades are rotatably coupled by a housing including a blade driving portion for driving power to the blades, a blade configured as a pair of plate and one side of the blades, in a conventional mower configuration, In the drive device of the blade cutter blade configured to drive the blade of the lawn mower by the drive shaft is rotated by the power transmission means of the blade drive unit,
The blade is composed of upper and lower blades (200, 300) is driven by the operation of the bevel gear to drive in conjunction with the drive shaft 110, it is configured to be grounded to each other in a circular shape of the plate, rotated in the opposite direction is configured to cut Mower drive device applying bevel gears, characterized in that
The method of claim 1,
The blades are configured to be grounded to each other in a circular plate shape, the hollow portion is formed inside the upper cover 210 to the upper portion of the upper blade 200 is bound to the connecting member 230, the lower blade 300 to the lower The lower cover 310 is composed of the binding body 330,
An internal gear 320 configured to be connected to the driving shaft 110 and connected to the lower cover 310 by penetrating the hollow portions of the upper and lower blades 200 and 300;
Drives in engagement with the drive shaft 110, but includes an external gear 220 connected to the upper cover 210, the internal gear 320 and the external gear 220 is rotated in the opposite direction to cut the cutting. Mower drive device with bevel gear
3. The method of claim 2,
The internal gear 320 is a mower drive device to which the bevel gear is applied, characterized in that is configured directly on the inner peripheral surface of the hollow portion of the upper blade (200).
3. The method of claim 2,
Bevel gears characterized in that the drive ratio of the drive shaft 110, the internal gear 320 and the external gear 220 to rotate in engagement with the drive shaft 110 is adjustable according to the inclination angle of the drive shaft 110. Mower drive system
The drive shaft and the upper and lower blades are rotatably coupled by a housing including a blade driving portion for driving power to the blades, a blade configured as a pair of plate and one side of the blades, in a conventional mower configuration, In the drive method of the mower blade for driving the blade of the mower by the drive shaft is rotated by the power transmission means of the blade drive unit,
The blade is composed of the upper and lower blades (200, 300) is driven by the operation of the bevel gear to drive in conjunction with the drive shaft 110, it is configured to be grounded mutually in a circular shape of a plate, to rotate in the opposite direction to cut A mower driving method using a bevel gear
In the upper and lower blades applied to the device of claim 1,
The blade 200, 300 is composed of a circular plate,
A projecting blade portion in the form of a saw blade is formed at the outer end portion,
Blade cutter structure applied bevel gear, characterized in that the hollow portion is formed inside the center
The method according to claim 6,
Blade cutter blade structure applied bevel gears, characterized in that the internal gear 320 is formed into the inner circumferential surface of the circular hollow portion formed in the blades (200, 300) is bound to the inside of the hollow portion
The method according to claim 6,
The blade cutter structure to which the bevel gear is applied, characterized in that the internal gear 320 is configured directly into the hollow part.

















KR1020120043033A 2012-04-25 2012-04-25 The bevel gear is applied the brush cutter knife and knife operating method and knife operating device KR20130120061A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120043033A KR20130120061A (en) 2012-04-25 2012-04-25 The bevel gear is applied the brush cutter knife and knife operating method and knife operating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120043033A KR20130120061A (en) 2012-04-25 2012-04-25 The bevel gear is applied the brush cutter knife and knife operating method and knife operating device

Publications (1)

Publication Number Publication Date
KR20130120061A true KR20130120061A (en) 2013-11-04

Family

ID=49850820

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120043033A KR20130120061A (en) 2012-04-25 2012-04-25 The bevel gear is applied the brush cutter knife and knife operating method and knife operating device

Country Status (1)

Country Link
KR (1) KR20130120061A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113016327A (en) * 2021-03-12 2021-06-25 格力博(江苏)股份有限公司 Grass trimmer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113016327A (en) * 2021-03-12 2021-06-25 格力博(江苏)股份有限公司 Grass trimmer

Similar Documents

Publication Publication Date Title
US4987732A (en) Mowing apparatus having oppositely reciprocating cutters
US20130276314A1 (en) Work apparatus
JP7253471B2 (en) Reciprocating cutting blade device and hand-held work machine
EP2473019A1 (en) Cutting assembly for hand-held power tool
WO2007069551A1 (en) Bending attachment and portable mowing machine mounted with this
KR101236934B1 (en) Grass eliminator with grass collecting guide
KR20130120061A (en) The bevel gear is applied the brush cutter knife and knife operating method and knife operating device
KR101414880B1 (en) A double-edged revolution is possible The brush cutter knife and knife operating method and knife operating device
JP6085022B2 (en) Rotary blade for mower and mower using the same
EP0390087B1 (en) Oscillating-type mowing apparatus
WO2011056100A1 (en) Cutting head for hand-held motor driven tools and a handheld battery powered working tool provided with a cutting head
KR101327115B1 (en) The brush cutter knife and knife operating method and knife operating divice
WO2014077672A1 (en) Motorized cutting tool
KR101438318B1 (en) A double-edged revolution is possible The brush cutter knife and knife operating method and knife operating device
JP2013223433A (en) Rotating blade for mower and mower using the same
WO2010116781A1 (en) Handheld power tool
TWI651044B (en) Drive head structure of electric gardening machine
JP2020156446A (en) Lawn mower
JP5454865B2 (en) Lawn mower
EP1106044B1 (en) Portable handeled tool for use in farming and gardening works provided with an improved handle
JP6255557B2 (en) Mowing machine
KR100901844B1 (en) Hover mower
CN116724750A (en) Work machine and blade unit
KR200258653Y1 (en) A power mower
CN111202047A (en) Multifunctional grass trimmer

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application