US3586238A - Plant treating apparatus adapted to be carried on a person's back - Google Patents

Plant treating apparatus adapted to be carried on a person's back Download PDF

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Publication number
US3586238A
US3586238A US798096A US3586238DA US3586238A US 3586238 A US3586238 A US 3586238A US 798096 A US798096 A US 798096A US 3586238D A US3586238D A US 3586238DA US 3586238 A US3586238 A US 3586238A
Authority
US
United States
Prior art keywords
container
carrier plate
crankshaft
carburetor
blower
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.)
Expired - Lifetime
Application number
US798096A
Other languages
English (en)
Inventor
Heinz Schmierer
Hans Peter Stihl
Gerhard Zerrer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Andreas Stihl AG and Co KG
Original Assignee
Andreas Stihl AG and Co KG
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
Priority claimed from DE19681607404 external-priority patent/DE1607404C3/de
Application filed by Andreas Stihl AG and Co KG filed Critical Andreas Stihl AG and Co KG
Application granted granted Critical
Publication of US3586238A publication Critical patent/US3586238A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B05B7/1404—Arrangements for supplying particulate material
    • B05B7/1413—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising a container fixed to the discharge device
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M11/00—Special adaptations or arrangements of combined liquid- and powder-spraying apparatus for purposes covered by this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B05B7/1404—Arrangements for supplying particulate material
    • B05B7/1413—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising a container fixed to the discharge device
    • B05B7/1427—Apparatus to be carried on the back of the user
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B05B7/2424—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle the carried liquid and the main stream of atomising fluid being brought together downstream of the container before discharge
    • B05B7/2427—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle the carried liquid and the main stream of atomising fluid being brought together downstream of the container before discharge and a secondary stream of atomising fluid being brought together in the container or putting the carried liquid under pressure in the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2475—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device comprising a container carried on the back of the user

Definitions

  • a portable plant treating apparatus especially for spraying, dusting, and fog laying, which includes: a plurality of container means arranged adjacent to each other and connected to each other for respectively storing fuel and the plant treating substance to be discharged, fuel driven motor means arranged below said container means and having a crankshaft, blower means drivingly connected to and arranged below said motor means and having its axis of rotation is substantially axial alignment with said crankshaft, discharge con duit means communicating with said blower means and with the container means containing the plant treating substance, and strap-equipped carrier plate means connected to one of said container means for carrying the apparatus on the back of a person.
  • the invention concerns a plant treating apparatus adapted to be carried on a persons back for selectively distributing or discharging scattering material, dustlike material, smoke producing material, spraying material or granulated material, and provided with a container combination arranged above a driving motor and a blower drivingly connected therewith and having its axis extending substantially vertically.
  • the apparatus furthermore comprises a discharge conduit connected to the blower and said container, and also comprises, for instance, a carrier plate with straps adapted to be carried on the back of a person.
  • FIG. 1 represents a section through a plant treating apparatus according to the invention as seen from the rear and partly in section.
  • FIG. 2 shows the, apparatus according to FIG. I likewise as seen from the rear but partly in vertical section.
  • FIG. 3 is a side view of the apparatus according to the invention partly in vertical section.
  • FIG. 4 is a horizontal section taken along the line lV-lV of FIG. 2.
  • FIG. 5 shows the front end of the discharge conduit partly in view, while the front portion illustrated in axial section is shown turned relative to the rear portion by 90.
  • FIG. 6 represents a section taken along the line VI-VI of FIG. 5.
  • the apparatus according to the present invention is characterized primarily in that the blower is arranged below the motor so that the motor is arranged between the blower and the container.
  • the motor can be placed directly upon the blower which greatly simplifies the entire structure while simultaneously the accessories to the motor, such as the carburetor, ignition device, and in particular the starter, are easily accessible.
  • the blower will in this arrangement be so located that the discharge conduit does not have to be curved which means that the blower airflow will be subjected only to a slight power loss.
  • the shoulder straps for the supporting means of the apparatus on the back of a person are at the upper area directly connected to the container. This brings about a better and safer support for the container which contains the substance to be distributed and which in filled condition represents the heaviest part of the apparatus. Inasmuch as in this way the supporting device and in particular the supporting plate to be carried on the back of a person are not directly under the load of the weight of the container, the supporting device can be designed considerably lighter and simpler.
  • the apparatus shown in FIGS. 1 to 4 comprises a supporting or back-carrying device 1 with a curved and ribbed supporting plate 2 preferably ofa light synthetic material.
  • a container 3 for the substance to be distributed.
  • a fuel tank 4 which with the specific example shown in the drawings, together with the container 3 forms a structural unit, while below said structural unit there is provided a one cylinder twostroke cycle engine 5.
  • a radial blower 6 which is drivingly connected to the engine 5.
  • That wall portion 7 of the container 3 which is adjacent to the supporting device 1 and is located below the upper edge 8 of the supporting plate 2 is provided with two horizontally located adjacent hexagonal nuts 9 which are embedded without a passage in the wall 7.
  • the wall 7 has also within the area of the nuts 9 the same thickness as in other parts.
  • the pocket-shaped recesses of the wall 7 of the container 3 forthe nuts 9 are respectively provided with an inwardly protruding annular extension 10 which engages a corresponding circumferential groove adjacent the respective nut 9 pertaining thereto so that the said nut is 'in its axial direction positively held on the wall 7.
  • Screws 11 forming connecting members are screwed into the said two horizontally located adjacent nuts 9 which are arranged symmetrically with regard to the vertical plane which is perpendicular to the supporting plate 2.
  • the said screws 11 are provided with heads which are arranged in corresponding countersunk portions at the front side of the plate 2 so that they do not protrude beyond the front surface of the plate 2 which will engage the back of a person carrying the apparatus.
  • the said upper ends 12 are provided with corresponding passages for passing therethrough the connecting screws 11 extending through the plate 2.
  • the strap ends 12 are by means of screws 11 firmly clamped between the supporting plate 2 and the nuts 9 and are from the connecting area below the upper edge 8 of the plate 2 passed approximately vertically upwardly in such a way that the shoulder straps 13 are bent forwardly at the upper edge 8 of the plate 2 when the apparatus is carried on the back of a person so that the load conveyed through the strap ends l2 onto the connecting screw 11 is only a load which acts substantially perpendicularly with regard to the axial direction of the connecting screws 11.
  • the strap ends 12 are by the above-described arrangement connected directly to the container 3 so that its weight will be held directly by the straps 13.
  • the connecting screws 11 also serve for connecting the transporting plate 2 to the container 3 so that the plate 2 is by means of the same connecting screws as the container connected to the shoulder straps.
  • at least a further screw may be provided for further supporting the supporting plate 2 on the container 3.
  • the fuel tank 4 is arranged directly at the bottom side (FIG. 1) of the container 3 by means of a detachable locking connection l4, 15 so that the fuel tank 4 is suspended on the container 3.
  • the air-cooled engine 5 has a horizontally extending cylinder 16 as is particularly clearly shown in FIGS. 2 and 4.
  • the axis of the cylinder 16 is approximately parallel to the plane of the supporting plate 2.
  • the said cylinder is directed toward the left from the crankshaft 17.
  • a starter 20 for the engine 5 which starter is arranged coaxially with regard to the crankshaft l7 and has a pulley 21 coaxially arranged to the crankshaft 17.
  • the pulley 21 is adapted by means of an automatic free wheel clutch 22 located below the pulley 21 to be drivingly connected with the crankshaft 17.
  • the fuel tank 4 which is located directly above the starter 20 has its lower wall provided with a concavely arched recess formed out of said wall.
  • the free diameter of said recess corresponds substantially to the diameter of the cover 23 which is located in said recess.
  • the lower portion of the crank housing 18 is formed directly by the upper section 24 of the upper portion of the blower housing 25.
  • the blower housing 25 is thus directly connected to the motor 5, for instance is flanged thereto.
  • the blower wheel 26 in housing 25 is directly arranged on the lower end of the crankshaft l7.
  • the blower housing 25 has an outer annular passage 27 which is of substantially rectangular cross section and is formed by the upper housing portion 51 and the lower housing portion.
  • the cross section of the annular passage 27 increases in the direction of rotation of the blower wheel 26, said direction of rotation being indicated by the arrow 28 (FIG. 4).
  • the annular passage 27 leads on the right-hand side of the apparatus, in other words on that side of the crankshaft 7 which faces away from the cylinder 16, into a connection 29 of the blower housing 25, said connection 29 being directed outwardly at an incline with regard to the plane of the supporting plate 2.
  • the connection 29 is located in the horizontal plane of the blower wheel 26.
  • a carburetor 3 which in vertical arrangement is flanged directly to the cylinder 16.
  • the float chamber 32 of the carburetor 31 is easily accessible toward the circumference of the blower housing 25 to thereby facilitate the actuation of the carburetor.
  • an air filter 33 arranged in a housing. The air filter housing is approximately parallel to the supporting plate 2 and extends approximately over the entire width of said plate 2.
  • the above-described motor-blower unit which represents a structural unit closed in itself is at three places connected to the plate 2 in the lower part thereof through the intervention of rubber elastic bearings 34, 35.
  • the motor-blower unit is connected to the lower part of the supporting plate 2 exclusively at three places provided at the tips of an isosceles triangle arranged in a vertical plane.
  • the connection between the motor-blower unit and the supporting plate 2 is formed exclusively by rubber elastic elements.
  • the pull rope 36 wound onto the pulley 21 and pertaining to the starter is passed through a corresponding opening in the cover 23 directly below the fuel tank 4 to the outside into a guiding opening 37 corresponding to its diameter.
  • the guiding opening 37 is located on a strut 38 which is connected to the back side of the supporting plate 2.
  • the strut 38 which is located on the right-hand side of the apparatus and protrudes beyond the corresponding lateral edge of the supporting plate 2, in other words is located above the connection 29 of the blower housing 2, and cranked at its end at an incline in downward direction to such an extent that the front surface of this strut end is directed at an incline downwardly.
  • That end of the pull rope or cable 36 which is located at the front side of the strut 38 has connected thereto a handle 39, which may, for instance, be elastically connected thereto.
  • the pull rope 36 is in view of the return spring acting upon the pulley 21 subjected to a spring force so that when in its starting position, the rear end face of its shank engages the front surface of the crank end of strut 38 whereby it occupies a predetermined position with regard to the supporting plate 2. This position is so selected that the handle 39 is directed outwardly and inclined downwardly toward the front.
  • the handle 39 When the apparatus according to the invention is placed on the back of a person, the handle 39 will be located underneath the right armpit of the respective person so that it can easily be grasped.
  • the handle 39 is grasped by the person with the right hand and by stretching out the right arm at an incline toward the outside and pulling toward the front so that the pull rope which extends from the cover 23 through the opening 37 toward the handle 39 will be substantially straight which means that the rope 36 is not bent and consequently no power losses will occur.
  • a discharge conduit 41 comprising a flexible hose 40 is connected to the connection 29 of the blower housing 25 in any convenient manner, for instance, by slipping it over and fastening it thereto by a clamping shell extendin around the circumference of said conduit.
  • the apparatus designed in the manner described above in detail is characterized by a favorable weight distribution and is furthermore characterized by a protected and easily accessible arrangement of the sensitive engine and blower elements.
  • a portable plant treating apparatus especially for spraying, dusting, and fog laying, which includes: a plurality of container means arranged adjacent to each other and connected to each other for respectively storing fuel and the plant treating substance to be discharged, fuel driven motor means arranged below said container means and having a crankshaft, blower means drivingly connected to and arranged below said motor means and having its axis of rotation in substantially axial alignment with said crankshaft, discharge conduit means communicating with said blower means and with the container means containing the plant treating substance, strap-equipped carrier plate means connected to one of said container means for carrying the apparatus on the back of a person, and carburetor means located between said motor and said carrier plate means.
  • said motor means includes cylinder means having said carburetor flanged thereto, and in which an air filter is located between said carburetor and said carrier plate means.
  • a plant protective device adapted to be carried on a back for selective discharge of spray, dust, fog, sprinkling and granulated means, comprising: a back carrier plate and a container combination for fuel and discharge means, a drive motor with a vertically arranged crankshaft having upper and lower ends, a blower means with a discharge passage arranged at said crankshaft lower end and having its axis of rotation in axial alignment with said crankshaft, a starter arranged at said crankshaft upper end, and a cylinder with an axis of said drive motor adjacent to the discharge passage lying in a horizontal plane approximately parallel to said back carrier plate.
  • a device in which said drive motor with starter, blower means and discharge passage are in a unit releasably connected to said back carrier plate.
  • a device in which there is a carburetor arranged between said drive motor and said back carrier plate.
  • a device in which said carburetor is mounted directly on said cylinder of said drive motor, and an air filter is secured between said carburetor and said back carrier plate.
  • a device in which shoulder strap means are releasably secured at upper ends thereof between said back carrier plate and discharge means container.
  • a device in which hexagonal nuts are embedded in wall means of said container for discharge means, and screw bolts are receivable by said nuts for securing said strap means ends and said carrier plate.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Pest Control & Pesticides (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Catching Or Destruction (AREA)
US798096A 1968-02-09 1969-02-10 Plant treating apparatus adapted to be carried on a person's back Expired - Lifetime US3586238A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681607404 DE1607404C3 (de) 1968-02-09 1968-02-09 Rückentragbares Pflanzenschutzgerät

Publications (1)

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US3586238A true US3586238A (en) 1971-06-22

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US798096A Expired - Lifetime US3586238A (en) 1968-02-09 1969-02-10 Plant treating apparatus adapted to be carried on a person's back

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US (1) US3586238A (de)
FR (1) FR2001652A1 (de)

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3826426A (en) * 1973-05-30 1974-07-30 G Bonvicini Motor-driven spraying machine to be carried on the worker{40 s back
US4173951A (en) * 1977-06-09 1979-11-13 Masamitsu Ishihara Power plant for simultaneously generating electric power and pneumatic pressure
US4552100A (en) * 1983-11-17 1985-11-12 Kioritz Corporation Throttle lever device of power-driven backpack type machine
US4595142A (en) * 1983-11-11 1986-06-17 Kioritz Corporation Blower/spray device
US4600129A (en) * 1984-01-30 1986-07-15 Komatsu Zenoah & Co. Chemicals spreader
US5018584A (en) * 1989-10-20 1991-05-28 Tomlinson John C Fire suppressor
US5083340A (en) * 1990-05-09 1992-01-28 Kioritz Corporation Nozzle pipe supporting handle
AU628702B2 (en) * 1990-10-04 1992-09-17 Husqvarna Zenoah Co., Ltd. Backpack type operating unit
US5149160A (en) * 1990-05-07 1992-09-22 Kioritz Corporation Pipe structure
US5190225A (en) * 1991-07-18 1993-03-02 Williams Bruce M Broadcast spreader apparatus
US5195208A (en) * 1990-12-19 1993-03-23 Kioritz Corporation Backpack power blower apparatus
CN1034628C (zh) * 1992-06-27 1997-04-23 谢承林 便携式机动喷雾器
US20050135953A1 (en) * 2003-12-19 2005-06-23 Annovi Reverberi S.P.A. Hydraulic pump
US20050230506A1 (en) * 2004-04-15 2005-10-20 Murphy Charles P Broadcast spreader attachment for hand-held gas or electric leaf blowers
US20060024173A1 (en) * 2004-08-02 2006-02-02 Annovi Reverberi S.P.A. Pump body with plunger pistons
US20060130273A1 (en) * 2003-02-12 2006-06-22 Aktiebolaget Electroiux Handle arrangement for a blower
US20060266308A1 (en) * 2005-05-26 2006-11-30 Leech Paul A Engine assembly
US20070102545A1 (en) * 2005-11-05 2007-05-10 Andreas Stihl Ag & Co. Kg. Portable spray apparatus
US7832663B1 (en) * 2005-09-09 2010-11-16 Leon David Cotham Backpack feeder
US8424498B2 (en) 2009-07-23 2013-04-23 Briggs & Stratton Corporation Engine blower scroll
US20140209705A1 (en) * 2013-01-31 2014-07-31 Andreas Stihl Ag & Co. Kg Knapsack spraying device
US20150290663A1 (en) * 2014-04-09 2015-10-15 Andreas Stihl Ag & Co. Kg Portable spray apparatus having a carrier frame
US9470269B2 (en) 2013-08-22 2016-10-18 Stanley Black & Decker, Inc. Hydraulic power unit
USD798513S1 (en) * 2015-08-06 2017-09-26 Andreas Stihl Ag & Co., Kg Cordless blower
US10625284B1 (en) * 2019-03-13 2020-04-21 Chapin Manufacturing, Inc. Modular frame for a backpack sprayer
US11340045B2 (en) 2017-11-21 2022-05-24 Techtronic Outdoor Products Technology Limited Cold fogger
US20230149956A1 (en) * 2021-11-10 2023-05-18 Charles William Henry Portable granular particle spreader

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3826426A (en) * 1973-05-30 1974-07-30 G Bonvicini Motor-driven spraying machine to be carried on the worker{40 s back
US4173951A (en) * 1977-06-09 1979-11-13 Masamitsu Ishihara Power plant for simultaneously generating electric power and pneumatic pressure
US4595142A (en) * 1983-11-11 1986-06-17 Kioritz Corporation Blower/spray device
US4552100A (en) * 1983-11-17 1985-11-12 Kioritz Corporation Throttle lever device of power-driven backpack type machine
US4600129A (en) * 1984-01-30 1986-07-15 Komatsu Zenoah & Co. Chemicals spreader
US5018584A (en) * 1989-10-20 1991-05-28 Tomlinson John C Fire suppressor
US5149160A (en) * 1990-05-07 1992-09-22 Kioritz Corporation Pipe structure
US5083340A (en) * 1990-05-09 1992-01-28 Kioritz Corporation Nozzle pipe supporting handle
AU628702B2 (en) * 1990-10-04 1992-09-17 Husqvarna Zenoah Co., Ltd. Backpack type operating unit
US5195208A (en) * 1990-12-19 1993-03-23 Kioritz Corporation Backpack power blower apparatus
US5190225A (en) * 1991-07-18 1993-03-02 Williams Bruce M Broadcast spreader apparatus
CN1034628C (zh) * 1992-06-27 1997-04-23 谢承林 便携式机动喷雾器
US20060130273A1 (en) * 2003-02-12 2006-06-22 Aktiebolaget Electroiux Handle arrangement for a blower
US20050135953A1 (en) * 2003-12-19 2005-06-23 Annovi Reverberi S.P.A. Hydraulic pump
US7611337B2 (en) 2003-12-19 2009-11-03 Annovi Reverberi S.P.A. Hydraulic pump
US20050230506A1 (en) * 2004-04-15 2005-10-20 Murphy Charles P Broadcast spreader attachment for hand-held gas or electric leaf blowers
US7086616B2 (en) 2004-04-15 2006-08-08 Charles Patrick Murphy Broadcast spreader attachment for hand-held gas or electric leaf blowers
US20060024173A1 (en) * 2004-08-02 2006-02-02 Annovi Reverberi S.P.A. Pump body with plunger pistons
US7658597B2 (en) 2004-08-02 2010-02-09 Annovi Reverberi S.P.A. Pump body with plunger pistons
US20060266308A1 (en) * 2005-05-26 2006-11-30 Leech Paul A Engine assembly
US7225765B2 (en) 2005-05-26 2007-06-05 Briggs And Stratton Corporation Engine assembly
US7832663B1 (en) * 2005-09-09 2010-11-16 Leon David Cotham Backpack feeder
US20070102545A1 (en) * 2005-11-05 2007-05-10 Andreas Stihl Ag & Co. Kg. Portable spray apparatus
US7673813B2 (en) * 2005-11-05 2010-03-09 Andreas Stihl Ag & Co. Kg Portable spray apparatus
US8424498B2 (en) 2009-07-23 2013-04-23 Briggs & Stratton Corporation Engine blower scroll
US8720392B2 (en) 2009-07-23 2014-05-13 Briggs & Stratton Corporation Engine blower scroll
US20140209705A1 (en) * 2013-01-31 2014-07-31 Andreas Stihl Ag & Co. Kg Knapsack spraying device
CN103962261A (zh) * 2013-01-31 2014-08-06 安德烈亚斯·斯蒂尔两合公司 背携式喷洒器
US9061301B2 (en) * 2013-01-31 2015-06-23 Andreas Stihl Ag & Co. Kg Knapsack spraying device
US9470269B2 (en) 2013-08-22 2016-10-18 Stanley Black & Decker, Inc. Hydraulic power unit
US20150290663A1 (en) * 2014-04-09 2015-10-15 Andreas Stihl Ag & Co. Kg Portable spray apparatus having a carrier frame
US10456797B2 (en) * 2014-04-09 2019-10-29 Andreas Stihl Ag & Co. Kg Portable spray apparatus having a carrier frame
USD798513S1 (en) * 2015-08-06 2017-09-26 Andreas Stihl Ag & Co., Kg Cordless blower
US11340045B2 (en) 2017-11-21 2022-05-24 Techtronic Outdoor Products Technology Limited Cold fogger
US10625284B1 (en) * 2019-03-13 2020-04-21 Chapin Manufacturing, Inc. Modular frame for a backpack sprayer
US20230149956A1 (en) * 2021-11-10 2023-05-18 Charles William Henry Portable granular particle spreader

Also Published As

Publication number Publication date
FR2001652A1 (de) 1969-09-26

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