CN102102683A - Backpack power tool - Google Patents
Backpack power tool Download PDFInfo
- Publication number
- CN102102683A CN102102683A CN2010105919461A CN201010591946A CN102102683A CN 102102683 A CN102102683 A CN 102102683A CN 2010105919461 A CN2010105919461 A CN 2010105919461A CN 201010591946 A CN201010591946 A CN 201010591946A CN 102102683 A CN102102683 A CN 102102683A
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- mentioned
- operation apparatus
- main part
- rotation
- apparatus main
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0809—Loosening or dislodging by blowing ; Drying by means of gas streams
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
- A01G20/40—Apparatus for cleaning the lawn or grass surface
- A01G20/43—Apparatus for cleaning the lawn or grass surface for sweeping, collecting or disintegrating lawn debris
- A01G20/47—Vacuum or blower devices
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/14—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum cleaning by blowing-off, also combined with suction cleaning
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Cleaning In General (AREA)
Abstract
The present invention, which provides, a kind of helps to improve vibration isolation Backpack power tool. What the Backpack power tool had that operator can bear with back, which bear portion (103) and be mounted on this, bears the operation apparatus main part (105) on portion (103), and equipped with by operation apparatus main part (105) and bearing the elastic component (133,135) that the main part support region (113) in portion (103) links up. Elastic component (133,135) bears the vibration that the self weight of operation apparatus main part (105) and the rotation in the operation apparatus main part (105) along with rotary body (123) generate and deforms, and the vibration is thus inhibited to transmit from operation apparatus main part (105) to the portion of bearing (103).
Description
Technical field
The present invention relates to vibration isolation technique at the backpack operation apparatus of bearing the operation that under the state of worker's back, is used in regulation.
Background technique
As backpack operation apparatus, in TOHKEMY 2008-2310 communique (patent documentation 1), record the backpack power blower that the cleaning of collecting fallen leaves, weeds etc. is used with operation.The backpack power Blast mechanism that is recorded in above-mentioned communique becomes based on operation apparatus main part and worker bears the portion of bearing in back, this operation apparatus main part has internal-combustion engine and by oil-engine driven blower, operation apparatus main part is installed in the portion of bearing by helical spring.
In above-mentioned backpack power blower, constitute and utilize helical spring to prevent that vibration by the operation apparatus main part that driving produced of internal-combustion engine is to bearing portion's side transmission., on operation apparatus main part, not only produce the vibration of the above-below direction that the internal combustion engine drive of being accompanied by generation is arranged, also produce the vibration that the rotation generation that is accompanied by blower is arranged, but special in the past consideration is accompanied by the vibration of blower rotation generation.
Patent documentation 1: TOHKEMY 2008-2310 communique
Summary of the invention
The present invention is In view of the foregoing and proposes, and its purpose is to provide a kind of technology that helps to improve the vibration isolation of backpack operation apparatus.
In order to reach above-mentioned problem, the preferred mode according to the present invention constitutes the backpack operation apparatus that comprises the portion of bearing, operation apparatus main part, solid of rotation, drive unit, backrest, main part support region and resilient member.The portion of bearing can be born in back by the worker.Operation apparatus main part is installed in the portion of bearing.Solid of rotation is set as a member of formation of operation apparatus main part.Drive unit is set as a member of formation of operation apparatus main part, and rotary driving body rotation in vertical guide.Backrest constitutes the part of the portion of bearing, and with worker's back butt.The main part support region constitutes the part of the portion of bearing, and is crossing with it forked extension from backrest.Resilient member is disposed between operation apparatus main part and the main part support region to be held shape, is used to link operation apparatus main part and main part support region.Fallen leaves, the grass cut off etc. are blown to the backpack power blower that cleaning operation together uses belong to " backpack operation apparatus " typically of the present invention, but " backpack operation apparatus " of the present invention also comprise mowing widely, cut the backpack cutting machine that careless operation uses or spray insecticide, backpack power sprayer that the spraying operation of weed killer is used etc.
According to the present invention, structure as feature, resilient member bears the deadweight of operation apparatus main part and is accompanied by the vibration that the rotation of solid of rotation produces and is out of shape in this operation apparatus main part, with this suppress this vibration from operation apparatus main part to bearing portion's transmission.In addition, blower belongs to " solid of rotation " typically of the present invention, preferably it is configured to rotate in vertical guide.In addition, internal-combustion engine belongs to " drive unit " typically of the present invention, but " drive unit " of the present invention preferably includes motor.
According to the present invention, can not only reduce by the vibration that driving produced of drive unit from operation apparatus main part to bearing portion's side transmission, but also can reduce the rotation that is accompanied by solid of rotation and the vibration of the sense of rotation (circumferentially) that produces from operation apparatus main part to bearing portion's side transmission.
According to another way of the present invention, resilient member is a helical spring, its based on this helical spring compression direction and shear direction (direction that departs from obliquely) separately spring constant and be out of shape, transmit to the above-mentioned portion of bearing from above-mentioned operation apparatus main part with this this vibration that suppresses operation apparatus main part.Under the situation that resilient member for example is made of rubber, if utilize the distortion of shear direction to bear vibration, can improve the assimilation effect of vibration, but the durability existing problems.According to the present invention, by using helical spring, utilize distortion to improve the assimilation effect of vibration based on the spring constant of shear direction while can keep durability.
According to another technological scheme of the present invention, solid of rotation is configured to rotate in vertical guide.And for the above-below direction under the state of bearing portion the worker, helical spring is configured to this helical spring central axis and is skewed towards the spin axis of solid of rotation.According to the present invention, by with helical spring tilted configuration as described above, can utilize the distortion of helical spring compression direction and shear direction, while bear the vibration that the sense of rotation of the rotation generation that is accompanied by solid of rotation is reasonably born in the deadweight of operation apparatus main part.
According to another technological scheme of the present invention, helical spring central axis is skewed configuration towards the spin axis of solid of rotation, helical spring be configured in the spin axis that passes (crossing) solid of rotation above-below direction straight line about.According to the present invention, consider vibration balancing, helical spring can be configured to vibration isolation expeditiously.
According to another technological scheme of the present invention, solid of rotation is configured to rotate in vertical guide.And for the corresponding backrest of the back worker, solid of rotation is configured in it near side with respect to the portion of bearing, and drive unit is configured in it away from side.In addition, also have the solid of rotation accommodation section, this solid of rotation accommodation section is made as a member of formation of operation apparatus main part and has the side face that is used to accommodate solid of rotation.And resilient member is to be held shape and to be configured in the side face of solid of rotation accommodation section and to bear between the main part support region of portion.According to the present invention, because can be with resilient member near the configuration of backrest ground, so avoid being delivered to the vibration of bearing portion's side arrives the worker in main part support region amplification back effectively.
According to another way of the present invention, the position of centre of gravity of resilient member and operation apparatus main part disposes accordingly.In addition, so-called " disposing accordingly with position of centre of gravity " of the present invention is meant the mode of configuration resilient member in comprising the vertical guide of center of gravity.According to the present invention, bear the worker under the state of backpack operation apparatus, can under the state that averages out on fore-and-aft direction and the left and right directions, bring into play the vibration isolation function.
According to another way of the present invention, solid of rotation is the impeller of blower, and drive unit is an internal-combustion engine.According to the present invention, in collecting the backpack power blower that fallen leaves, the cleaning of grass etc. under each use with operation, not only can reduce by the vibration that driving produced of internal-combustion engine from operation apparatus main part to bearing portion's side transmission, but also can reduce the rotation of the impeller that is accompanied by blower and the vibration of the sense of rotation that produces from operation apparatus main part to bearing portion's side transmission.
According to the present invention, can provide a kind of technology that in backpack operation apparatus, helps to improve vibration isolation.
Description of drawings
Fig. 1 is the integrally-built stereogram of the backpack power blower of expression embodiments of the present invention.
Fig. 2 is the side view of backpack power blower.
Fig. 3 is the longitudinal section of the backpack power blower seen from the rear.
Fig. 4 is the stereogram of the user mode of expression backpack power blower.
Embodiment
Below, Yi Bian explain embodiments of the present invention on one side with reference to Fig. 1～Fig. 4.In the present embodiment, describe with the example of backpack power blower as backpack operation apparatus.As depicted in figs. 1 and 2, summarize, the backpack power blower 101 of present embodiment constitutes based on what the worker can enough back bears to be born member 103 and is installed in this and bear power blower 105 on the member 103.It is corresponding with " bearing portion " of the present invention to bear member 103, and power blower 105 is corresponding with " operation apparatus main part " of the present invention.
Bear member 103 and form roughly L font of side-looking by back-rest 111 and pedestal portion 113, this back-rest 111 contacts with worker's back when the worker bears and is provided with along vertical (above-below direction); This pedestal portion 113 is from the horizontal extension in the underpart of this back-rest 111 and be used to install power blower 105.Back-rest 111 and pedestal portion 113 are by constituting by pipe fitting being bent into the formed frame structure of squarish shape.Back-rest 111 is corresponding with " backrest " of the present invention, and pedestal portion 113 is corresponding with " main part support region " of the present invention.As shown in Figure 4, bear member 103 and also have braces 115, bear member 103 and bear by the worker by this braces 115.Braces 115 constitutes with respect to back-rest 111 and can freely load and unload.In addition, in the following description, for convenience of explanation, back-rest 111 sides (left side of Fig. 2) are called the place ahead, the extension side (right side of Fig. 2) of the pedestal portion 113 that will extend from the end of this back-rest 111 is called the rear.
The discharge pipe 128 that is connected with wind on mouthful 125a via the flexible tube 127 of bend pipe 126 and corrugated tube shape of sending at the wind that is formed at housing 125.As depicted in figs. 1 and 2, on discharge pipe 128, has the handle 129 that the control member of this discharge pipe 128 is handled in conduct.The worker can hold handle 129, handles the control member and the discharge pipe 128 of internal-combustion engine 131, and the grass that utilizing the wind that blows out from the blow-off outlet 128a of this discharge pipe 128 to carry out will fallen leaves, cut off etc. blows to operation together.
As depicted in figs. 1 and 2, blower 121 and internal-combustion engine 131 with blower 121 preceding internal-combustion engine 131 after mode on fore-and-aft direction, become file to install.At least the profile member of formation (housing) of blower 121 and internal-combustion engine 131 is by integrated.
Then, the vibration isolation structure that is installed in the power blower of bearing on the member 103 105 is described.The vibration isolation of present embodiment constitutes to be and is held shape and is disposed at the pedestal portion 113 of bearing member 103 and a plurality of (2) helical spring 133,135 between the power blower 105.Helical spring 133,135 is corresponding with " resilient member " of the present invention.Helical spring the 133, the 135th is out of shape for the deadweight by bearing power blower 105 with by the vibration that this power blower 105 produces and suppresses this vibration member 103 transmission are provided with to bearing from power blower 105.
In the present embodiment, 2 helical springs 133,135 based on the compression direction of this helical spring 133,135 and shear direction separately spring constant and be out of shape, the vibration that suppresses thus to produce when power blower 105 drives is to bearing member 103 side transmission.Promptly, as shown in Figure 3, with 2 helical springs 133,135 be configured to respect to (across) pass the running shaft 123a of (crossing) blowing fan 123 and the vertical line P bilateral symmetry of extending along the vertical direction, and the central axis of this helical spring 133,135 is skewed (from the place ahead or rear be seen as splayed shape) to spin axis (running shaft 123a) side of blowing fan 123.By such configuration, about helical spring 133,135 bear the vibration of the above-below direction that the driving that is accompanied by internal-combustion engine 131 produces and be accompanied by the vibration of the sense of rotation (circumferentially) that the rotation of the blowing fan 123 of blower 121 produces while the deadweight of supporting power blower 105, utilize the distortion of helical spring 133,135 on compression direction and these directions of shear direction (direction of the inclination changing of the relative positions) to suppress from power blower 105 to the vibration transfer of bearing member 103 sides.
About 2 helical springs 133,135 be and be held shape and be disposed at the upper surface of the pedestal portion 113 of bearing member 103 and accommodate between the side face zone lower surface of housing 125 of blowing fan 123, and about the axial end of 2 helical springs 133,135 be fixed on the upper surface of pedestal portion 113 by spring bracket 133a, 135a, the other end is fixed on the lower surface of housing 125 by spring bracket 133b, 135b.
In addition, between the upper end portion front surface of the housing 125 of the back side, upper end portion (rear surface) of the back-rest 111 of bearing member 103 and blower 121, and, dispose 1 helical spring (omitting diagram for convenience of explanation) along the mode of fore-and-aft direction approximate horizontal with helical spring central axis the substantial middle portion of left and right directions (passing on the vertical line of spin axis of (crossing) blowing fan 123).That is, power blower 105 amounts to three positions by helical spring 133,135 supportings at two positions of pedestal portion 113 and a position of back-rest 111, becomes beyond at this supporting position and bears member 103 contactless states.
In the present embodiment, with helical spring 133,135 power blower 105 is installed in and bears on the member 103, bear the deadweight of power blower 105 and be accompanied by the vibration of the sense of rotation that the rotation of blowing fan 123 produces by helical spring 133,135 distortion, thus prevent this vibration from power blower 105 to bearing member 103 transmission.And, in the present embodiment, the central axis that helical spring 133,135 is configured to this helical spring 133,135 is skewed towards the spin axis of blowing fan 123, so the compression direction by this helical spring 133,135 and the distortion of shear direction absorb by the vibration of the above-below direction that driving produced of internal-combustion engine 131 with by the vibration of the sense of rotation that rotation produced of blowing fan 123, can reduce this vibration and bear member 103 side transmission from power blower 105 side direction.
In addition, in the present embodiment, constitute the compression direction that utilizes helical spring 133,135 and the distortion of shear direction and absorb vibration.Under the situation that partiting polarization component for example is made of rubber, utilize the distortion of shear direction to bear vibration if constitute, though then can improve the problem that the assimilation effect of vibration has the durability variation.According to the present invention, by with helical spring 133,135, utilize distortion to improve the assimilation effect of vibration based on the spring constant of shear direction while can keep durability.
In the present embodiment, 2 helical springs 133,135 are disposed across the vertical line P of the spin axis that passes blowing fan 123 left and right symmetrically.Therefore, can on left and right directions, balance bear the weight of power blower 105 well and be accompanied by the vibration that drives generation.It is effective that the configuration of such bilateral symmetry for example is positioned under the situation on the vertical line P at the position of centre of gravity of power blower 105.But, in fact the position of centre of gravity of power blower 105 might be from vertical line P either direction skew to the left and right, so under these circumstances, preferably on the position that the weight of 2 helical springs 133,135 about vertical line P is configured in is averaged out, vibration isolation expeditiously thus.
In addition, generation of vibration is not limited to become bilateral symmetry across vertical line P.For example, have wind to send mouthful 125a one side different on the generation of vibration situation with a side of sending mouthful 125a that does not have wind, the sense of rotation difference of blowing fan 123 in addition, also can make the direction of the vibration that acts on helical spring 133,135 different with the right side (in Fig. 3 in the left side, because blowing fan 123 is around turning clockwise, so vibration acts on the helical spring 133 in left side up, vibration acts on the helical spring 135 on right side down).Therefore, for by about bear vibration equably and seek high efficiency vibration isolation, be configured to the position of the helical spring 133,135 about preferred adjustment the or angle.
In addition, in the present embodiment, blower 121 and internal-combustion engine 131 are being the place ahead with blower 121 and are being file configuration on the fore-and-aft direction at rear with internal-combustion engine 131, and supporting the side face of the housing 125 of blowers 121 with helical spring 133,135.Therefore, and for example compare, can shorten distance from the back-rest 111 of bearing member 103 to helical spring 133,135 with the situation of helical spring 133,135 supporting internal-combustion engines 131.Thus, the vibration that can avoid being delivered to the pedestal portion 113 of bearing member 103 arrives worker's back in these pedestal portion 113 amplification, and can avoid by the heat that internal-combustion engine 131 produces the worker being caused harmful effect.
In addition, the present invention is not limited to above-mentioned mode of execution, and distortion can suit.For example, in the present embodiment, constitute side face, but also can change into formation across the vertical line left and right symmetrically configuration of the center of gravity of passing power blower 105 with the housing 125 of helical spring 133,135 supporting blowers 121.At this moment, also can bear the weight and the vibration that is accompanied by the driving generation of power blower 105 efficiently.
In addition, in the present embodiment, constitute in the mode of rearward extending and form pedestal portion 113 from the lower edge of back-rest 111, mounting power blower 105 on the upper surface of this pedestal portion 113, yet also can for example change into the mode of rearward extending and form support, be the structure of hanging shape supporting power blower 105 with respect to this support by helical spring 133,135 with rising wood from back-rest 111.In this case, see or the rear from the place ahead preferably that helical spring 133,135 is the shape of falling Eight characters configuration across the vertical line P of the spin axis that passes blowing fan 123.In addition, the parts of blower 121 also can replace internal-combustion engine 131 and use motor.
In addition, in the present embodiment, be illustrated with the example of backpack power blower as backpack operation apparatus, but the invention is not restricted to backpack power blower, also can be applied to mow, cut the backpack cutting machine that careless operation uses or spray insecticide, backpack power sprayer that the spraying operation of weed killer is used etc.
Claims (7)
1. a backpack operation apparatus is characterized in that, comprising:
Bear portion, it can be born in back by the worker;
Operation apparatus main part, it is installed on the above-mentioned portion of bearing;
Solid of rotation, it is set as a member of formation of above-mentioned operation apparatus main part;
Drive unit, it is set as a member of formation of above-mentioned operation apparatus main part, and drives above-mentioned solid of rotation rotation in vertical guide;
Backrest, it constitutes an above-mentioned part of bearing portion, and with worker's back butt;
The main part support region, it constitutes an above-mentioned part of bearing portion, and is and the crossing forked extension of backrest from above-mentioned backrest;
Resilient member, it is disposed between above-mentioned operation apparatus main part and the aforementioned body portion support region to be held shape, is used to link above-mentioned operation apparatus main part and aforementioned body portion support region,
Above-mentioned resilient member bears the deadweight of above-mentioned operation apparatus main part and is accompanied by the vibration that the rotation of above-mentioned solid of rotation produces and is out of shape in this operation apparatus main part, suppresses this vibration with this and bears portion's transmission from above-mentioned operation apparatus main part to above-mentioned.
2. backpack operation apparatus according to claim 1 is characterized in that,
Above-mentioned resilient member is a helical spring, its based on this helical spring compression direction and shear direction separately spring constant and be out of shape, transmit to the above-mentioned portion of bearing from this operation apparatus main part with this vibration that suppresses above-mentioned operation apparatus main part.
3. backpack operation apparatus according to claim 2 is characterized in that,
Above-mentioned solid of rotation is configured to rotate in vertical guide,
For the above-below direction bear the above-mentioned state of bearing portion the worker under, above-mentioned helical spring is configured to this helical spring central axis and is skewed towards the spin axis of above-mentioned solid of rotation.
4. backpack operation apparatus according to claim 3 is characterized in that,
Above-mentioned helical spring be configured in the spin axis that passes above-mentioned solid of rotation above-below direction vertical line about.
5. according to each described backpack operation apparatus in the claim 1～4, it is characterized in that,
Bear portion for the corresponding above-mentioned backrest of the back worker with respect to above-mentioned, above-mentioned solid of rotation is configured in it near side, and above-mentioned drive unit is configured in it away from side,
This backpack operation apparatus also has the solid of rotation accommodation section, and it is made as a member of formation of above-mentioned operation apparatus main part, and has the side face that is used to accommodate above-mentioned solid of rotation,
Above-mentioned resilient member is with between the side face and aforementioned body portion support region that are held shape and are configured in above-mentioned solid of rotation accommodation section.
6. according to each described backpack operation apparatus in the claim 1～4, it is characterized in that,
The position of centre of gravity of above-mentioned resilient member and above-mentioned operation apparatus main part disposes accordingly.
7. according to each described backpack operation apparatus in the claim 1～6, it is characterized in that,
Above-mentioned solid of rotation is the impeller of blower, and above-mentioned drive unit is an internal-combustion engine.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-287897 | 2009-12-18 | ||
| JP2009287897A JP2011127541A (en) | 2009-12-18 | 2009-12-18 | Back carrying type operating tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102102683A true CN102102683A (en) | 2011-06-22 |
Family
ID=44149050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105919461A Pending CN102102683A (en) | 2009-12-18 | 2010-12-10 | Backpack power tool |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20110146023A1 (en) |
| JP (1) | JP2011127541A (en) |
| CN (1) | CN102102683A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313956A (en) * | 2016-04-27 | 2017-11-03 | 安德烈·斯蒂尔股份两合公司 | With drive motor and by the Backpack work apparatus of the air blower of drive motor |
| CN107407064A (en) * | 2015-04-20 | 2017-11-28 | 株式会社牧田 | Backpack air blast Work machine |
| CN108086231A (en) * | 2017-11-23 | 2018-05-29 | 洛阳中重特种车辆有限公司 | A kind of dust-arrest device and the dust suppression vehicle with the dust-arrest device |
| US10039367B2 (en) | 2015-05-25 | 2018-08-07 | Chevron (Hk) Limited | Back-mounted power tool systems and methods of use |
| CN110067225A (en) * | 2018-01-23 | 2019-07-30 | 株式会社牧田 | Air-supply working rig |
| CN113412352A (en) * | 2019-02-07 | 2021-09-17 | 佩朗股份有限公司 | Blower apparatus equipped with backpack harness |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5975732B2 (en) * | 2012-05-23 | 2016-08-23 | 株式会社マキタ | Back working machine |
| US9167751B2 (en) * | 2012-07-09 | 2015-10-27 | Techtronic Outdoor Products Technology Limited | Backpack leaf blower |
| CA2859185A1 (en) * | 2013-08-13 | 2015-02-13 | Emerson Electric Co. | Backpack vacuum cleaner |
| US10749430B2 (en) | 2015-03-13 | 2020-08-18 | Positec Power Tools (Suzhou) Co., Ltd. | Power transmission apparatus and control method therefor, and power supply system |
| US10980193B2 (en) | 2016-02-22 | 2021-04-20 | Globe (jiangsu) Co., Ltd. | Piggyback working appliance, piggyback blower, and control handle assembly |
| US11156224B2 (en) | 2017-10-10 | 2021-10-26 | Tti (Macao Commercial Offshore) Limited | Backpack blower |
| CN210686430U (en) * | 2019-06-26 | 2020-06-05 | 米沃奇电动工具公司 | Bellows for a blower and blower |
| AU2020205211A1 (en) | 2019-08-02 | 2021-02-18 | Techtronic Cordless Gp | Blowers having noise reduction features |
| CN211547562U (en) * | 2019-10-09 | 2020-09-22 | 苏州宝时得电动工具有限公司 | Air blowing device and direct current electric tool |
| AU2020286200A1 (en) | 2020-01-21 | 2021-08-05 | Techtronic Cordless Gp | Power tool having noise reduction features |
| CN214742186U (en) | 2020-01-21 | 2021-11-16 | 创科无线普通合伙 | Blower fan |
| WO2022147300A1 (en) | 2020-12-30 | 2022-07-07 | Milwaukee Electric Tool Corporation | Handheld blower |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19800118A1 (en) * | 1997-01-07 | 1998-07-09 | Kioritz Corp | Portable power tool |
| CN2442758Y (en) * | 2000-11-16 | 2001-08-15 | 北京丰茂植保机械有限公司 | Fan spiral casing for snapsack spraying powder-jetting device |
| CN1972550A (en) * | 2005-11-22 | 2007-05-30 | 安德烈亚斯.斯蒂尔两合公司 | Working tool |
| US20070294855A1 (en) * | 2006-06-21 | 2007-12-27 | Kioritz Corporation | Backpack blower |
| US7543725B2 (en) * | 2003-09-05 | 2009-06-09 | Harry Herzog | Vibration damping support strap |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3827055B2 (en) * | 2000-01-04 | 2006-09-27 | 株式会社丸山製作所 | Portable blower |
| JP4722814B2 (en) * | 2006-11-09 | 2011-07-13 | ハスクバーナ・ゼノア株式会社 | Engine blower |
-
2009
- 2009-12-18 JP JP2009287897A patent/JP2011127541A/en active Pending
-
2010
- 2010-12-10 CN CN2010105919461A patent/CN102102683A/en active Pending
- 2010-12-14 US US12/967,426 patent/US20110146023A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19800118A1 (en) * | 1997-01-07 | 1998-07-09 | Kioritz Corp | Portable power tool |
| CN2442758Y (en) * | 2000-11-16 | 2001-08-15 | 北京丰茂植保机械有限公司 | Fan spiral casing for snapsack spraying powder-jetting device |
| US7543725B2 (en) * | 2003-09-05 | 2009-06-09 | Harry Herzog | Vibration damping support strap |
| CN1972550A (en) * | 2005-11-22 | 2007-05-30 | 安德烈亚斯.斯蒂尔两合公司 | Working tool |
| US20070294855A1 (en) * | 2006-06-21 | 2007-12-27 | Kioritz Corporation | Backpack blower |
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| CN107407064A (en) * | 2015-04-20 | 2017-11-28 | 株式会社牧田 | Backpack air blast Work machine |
| US10039367B2 (en) | 2015-05-25 | 2018-08-07 | Chevron (Hk) Limited | Back-mounted power tool systems and methods of use |
| US10736403B2 (en) | 2015-05-25 | 2020-08-11 | Chevron (Hk) Limited | Back-mounted power tool systems and methods of use |
| CN107313956A (en) * | 2016-04-27 | 2017-11-03 | 安德烈·斯蒂尔股份两合公司 | With drive motor and by the Backpack work apparatus of the air blower of drive motor |
| CN107313956B (en) * | 2016-04-27 | 2020-07-24 | 安德烈·斯蒂尔股份两合公司 | Back-carried work apparatus with a drive motor and a blower driven by the drive motor |
| CN108086231A (en) * | 2017-11-23 | 2018-05-29 | 洛阳中重特种车辆有限公司 | A kind of dust-arrest device and the dust suppression vehicle with the dust-arrest device |
| CN110067225A (en) * | 2018-01-23 | 2019-07-30 | 株式会社牧田 | Air-supply working rig |
| CN113412352A (en) * | 2019-02-07 | 2021-09-17 | 佩朗股份有限公司 | Blower apparatus equipped with backpack harness |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011127541A (en) | 2011-06-30 |
| US20110146023A1 (en) | 2011-06-23 |
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