WO2020001911A1 - A stick vacuum cleaner - Google Patents

A stick vacuum cleaner Download PDF

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Publication number
WO2020001911A1
WO2020001911A1 PCT/EP2019/063997 EP2019063997W WO2020001911A1 WO 2020001911 A1 WO2020001911 A1 WO 2020001911A1 EP 2019063997 W EP2019063997 W EP 2019063997W WO 2020001911 A1 WO2020001911 A1 WO 2020001911A1
Authority
WO
WIPO (PCT)
Prior art keywords
brush head
angle
display
vacuum cleaner
control unit
Prior art date
Application number
PCT/EP2019/063997
Other languages
French (fr)
Inventor
Fatma Nur CIMEN
Cem Kural
Erdogan BOLDAZ
Alper Yagci
Tayfun BALIK
Original Assignee
Arcelik Anonim Sirketi
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 Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Priority to EP19727663.7A priority Critical patent/EP3809936B1/en
Publication of WO2020001911A1 publication Critical patent/WO2020001911A1/en

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Classifications

    • 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
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A47L5/30—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with driven dust-loosening tools, e.g. rotating brushes
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2805—Parameters or conditions being sensed
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2857—User input or output elements for control, e.g. buttons, switches or displays
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2857—User input or output elements for control, e.g. buttons, switches or displays
    • A47L9/2863—Control elements activated by pivoting movement of the upright vacuum cleaner handle

Definitions

  • the present invention relates to a stick vacuum cleaner, in particular to a stick vacuum cleaner comprising a camera and a display.
  • Stick vacuum cleaners which comprise a body, a brush head and a pipe extending between the brush head and the body are widely used in households. Due to their practical use and light weights, stick vacuum cleaners provide users convenience particularly in cleaning dark and narrow places. Even though the stick vacuum cleaners are able to reach dark and narrow spaces such as underneath the furniture and other household appliances, the users are having problems while checking the cleanness of the area that was swept. In order to ensure that the swept area is clean enough, the user has to bent over and look underneath the furniture and use a light source to illuminate dark and narrow places. Stick vacuum cleaners having cameras attached to the brush heads are widely known.
  • stick vacuum cleaners also possess a display attached close to the handle, preferably on to the body so as to provide the user with a view of the area that is being swept.
  • a display attached close to the handle, preferably on to the body so as to provide the user with a view of the area that is being swept.
  • due to limited battery power stick vacuum cleaners have, cameras, light sources and displays must remain dormant during normal use and must be activated upon sweeping of dark and narrow areas so as to prolong battery life.
  • a prior art publication in the technical field of the present invention may be referred to as CN201641896U among others, the document disclosing a stick vacuum cleaner comprising a camera and a display.
  • An objective of the present invention is to provide the user with a stick vacuum cleaner having a camera and a display to visualize the areas to be swept but keep these parts dormant during sweep of easily accessible areas thereby decreasing energy consumption of the stick vacuum cleaner.
  • the method realized to achieve the aim of the present invention and disclosed in the first claim and the dependent claims comprises a stick vacuum cleaner having a body wherein the motor, the dust bag, the filter and the battery is provided.
  • the body is connected to a brush head via a pipe which is attached to the brush head through a bracket that acts as an intermediary elbow.
  • the bracket also allows the rotation of the pipe with respect to the brush head forming an angle in between.
  • Motor powered by the battery, creates a suction force which helps the brush head to suck inside the air along with the dust particles and transfer them via the pipe to the dust bag.
  • At least a camera is provided on the brush head and used for capturing images of the area to be swept. In order to illuminate dark areas a light source is provided on the brush head preferably next to the camera.
  • a display that is utilized to display the image captured by the camera is provided on to the body.
  • An angular position sensor is placed on to the bracket and is used to calculate the angle between the pipe and the brush head.
  • the angle, calculated by the angular position sensor is then transmitted to the control unit which in turn activates the dc motor attached to a hinge that is used to rotatable attach the display to the body.
  • dc motor remains inactive.
  • the control unit decides that the user is sweeping under a furniture or a household appliance and activates the dc motor, camera, light source and the display so as to provide the user with a visual of the area normally out of sight.
  • control unit continuously checks the angle between the pipe and the brush head and adjusts the angle between the display and the body by activation of the dc motor accordingly. Thereupon, the center of the line of sight of the user continuously makes an angle close to the right angle helping the user to see the area that needs to be swept in an ergonomic way.
  • control unit activates the dc motor when the angle between the pipe and the brush head falls below 25 degrees and more specifically below 10 degrees. Therefore, narrow places under the furniture are easily accesable by the user. Additionally, the user is allowed to manually enter his or her height on to the display. Depending on the user’s height, control unit makes necessary adjustments to the angle between the display and the body, therefore providing ease of use and convenience for the user.
  • control unit is in wireless communication with the cameras, the light source and the angular position sensor.
  • the cameras, the light source and the angular position sensor are in connection with a wireless communication hub preferably located on the brush head which is in wireless communication with the control unit.
  • control unit is connected to the camera, the light source and the angular position sensor via a cable.
  • the cable extends between the brush head and the body and is covered inside a cable duct positioned underneath the pipe.
  • control unit activates the dc motor in order to relate the angle between the pipe and the brush head meaning that angle “A” to the angle between the body and the display meaning that angle “B” by the inequality:
  • Figure 1 – is a side view of the stick vacuum cleaner.
  • Figure 2 – is a side view of the brush head
  • Figure 3 – is a side view of the body
  • the present invention relates to a stick vacuum cleaner (1) comprising; a body (2), a brush head (3) having a bracket (4), a pipe (5) extending between and rotatably connecting the body (2) to the brush head (3) via the bracket (4), at least a camera (6) and a light source (7) placed on to the brush head (3) so as to capture the image of the area to be swept, a display (8) placed on to the body (2) to display the image captured by the camera (6).
  • the present invention relates to a stick vacuum cleaner (1) comprising; an angular position sensor (9) is placed on to the bracket (4) to measure the angle (A) between the pipe (5) and the brush head (3), a dc motor (10), placed on to the body (2) to rotatably mobilize the display (8) upon activation to form an angle (B) between the body (2) and the display (8), a control unit (11) to activate the dc motor (10) if the angle (A) between the pipe (5) and the brush head (3) falls below a value predetermined by the manufacturer.
  • the angular position sensor (9) is configured to measure the angle between the pipe (5) and the brush head (3) and transmit this value to the control unit (11) simultaneously and continuously.
  • the control units (11) decides that the user is currently sweeping under an object and activates the dc motor (10) in order to activate the display (8). Therefore, the visual of the dark and narrow area is provided for the user only if the angle between the pipe (5) and the brush head (3) falls below a limit value, reducing the power consumption of the stick vacuum cleaner (1) by eliminating continous activation of camera (6), light sources (7) and the display (8).
  • control unit (11) activates the dc motor (10) if the angle (A) between the pipe (5) and the brush head (3) falls below 25 degrees and more specifically below 10 degrees.
  • the limit value of the angle between the pipe (5) and the brush head (3) for the control unit (11) to activate the dc motor (10) so as to rotatably turn the display (8) with respect to the body (2) is 25 degrees and more specifically 10 degrees. Therefore, activation of the dc motor (10) by accident is prevented, thus the battery life of the stick vacuum cleaner (1) is prolonged.
  • control unit (11) is in wireless communication with the camera (6), the light source (7) and the angular position sensor (9).
  • the camera (6), the light source (7) and the angular position sensor (9) is connected to a communication hub having wireless communication properties which is wirelessly connected to the control unit (11).
  • cables extending between the brush head (3) and the body (2) are not utilized achieving a cost advantage.
  • Another advantageous effect of using wireless connection is that the cables extending between the brush head (3) and the body (2) are prone to get damaged during sweeping. Use of wireless communication eliminates this possibility therefore decreasing the maintanence costs of the stick vacuum cleaner (1).
  • control unit (11) is connected to the camera (6), the light source (7) and the angular position sensor (9) via a cable (12) extending between the brush head (3) and the body (2).
  • a cable (12) extending between brush head (3) and the body (2) and covered inside a cable duct provides a cost effective way to connect control unit (11) with the camera (6), the light source (7) and the angular position sensor (9).
  • control unit (11) activates the dc motor (10) so as to relate the angle (A) between the pipe (5) and the brush head (3) to the angle (B) between the body (2) and the display (8) by the equation:
  • a major advantageous effect of the present invention is that the camera (6) and the display (8) are energized only during sweep of areas that are hard to access thereby preserving battery power.
  • Another advantageous effect of the present invention is that the control unit (11) adjusts the angle between the display (8) and the body (2) therefore providing an ergonomic use for the user.

Abstract

The present invention relates to a stick vacuum cleaner (1) comprising; a body (2), a brush head (3) having a bracket (4), a pipe (5) extending between and rotatably connecting the body (2) to the brush head (3) via the bracket (4), at least a camera (6) and a light source (7) placed on to the brush head (3) so as to capture the image of the area to be swept, a display (8) placed on to the body (2) to display the image captured by the camera (6).

Description

A STICK VACUUM CLEANER
The present invention relates to a stick vacuum cleaner, in particular to a stick vacuum cleaner comprising a camera and a display.
Stick vacuum cleaners which comprise a body, a brush head and a pipe extending between the brush head and the body are widely used in households. Due to their practical use and light weights, stick vacuum cleaners provide users convenience particularly in cleaning dark and narrow places. Even though the stick vacuum cleaners are able to reach dark and narrow spaces such as underneath the furniture and other household appliances, the users are having problems while checking the cleanness of the area that was swept. In order to ensure that the swept area is clean enough, the user has to bent over and look underneath the furniture and use a light source to illuminate dark and narrow places. Stick vacuum cleaners having cameras attached to the brush heads are widely known. These stick vacuum cleaners also possess a display attached close to the handle, preferably on to the body so as to provide the user with a view of the area that is being swept. However, due to limited battery power stick vacuum cleaners have, cameras, light sources and displays must remain dormant during normal use and must be activated upon sweeping of dark and narrow areas so as to prolong battery life.
A prior art publication in the technical field of the present invention may be referred to as CN201641896U among others, the document disclosing a stick vacuum cleaner comprising a camera and a display.
An objective of the present invention is to provide the user with a stick vacuum cleaner having a camera and a display to visualize the areas to be swept but keep these parts dormant during sweep of easily accessible areas thereby decreasing energy consumption of the stick vacuum cleaner.
The method realized to achieve the aim of the present invention and disclosed in the first claim and the dependent claims comprises a stick vacuum cleaner having a body wherein the motor, the dust bag, the filter and the battery is provided. The body is connected to a brush head via a pipe which is attached to the brush head through a bracket that acts as an intermediary elbow. The bracket also allows the rotation of the pipe with respect to the brush head forming an angle in between. Motor, powered by the battery, creates a suction force which helps the brush head to suck inside the air along with the dust particles and transfer them via the pipe to the dust bag. At least a camera is provided on the brush head and used for capturing images of the area to be swept. In order to illuminate dark areas a light source is provided on the brush head preferably next to the camera. A display that is utilized to display the image captured by the camera is provided on to the body. An angular position sensor is placed on to the bracket and is used to calculate the angle between the pipe and the brush head. The angle, calculated by the angular position sensor is then transmitted to the control unit which in turn activates the dc motor attached to a hinge that is used to rotatable attach the display to the body. As long as the angle is more than the limit value predetermined by the manufacturer, dc motor remains inactive. When the angle drops under the limit value predetermined by the manufacturer, the control unit decides that the user is sweeping under a furniture or a household appliance and activates the dc motor, camera, light source and the display so as to provide the user with a visual of the area normally out of sight. In order to provide the user with a consistent view, the control unit continuously checks the angle between the pipe and the brush head and adjusts the angle between the display and the body by activation of the dc motor accordingly. Thereupon, the center of the line of sight of the user continuously makes an angle close to the right angle helping the user to see the area that needs to be swept in an ergonomic way.
In the stick vacuum cleaner of the present invention the control unit activates the dc motor when the angle between the pipe and the brush head falls below 25 degrees and more specifically below 10 degrees. Therefore, narrow places under the furniture are easily accesable by the user. Additionally, the user is allowed to manually enter his or her height on to the display. Depending on the user’s height, control unit makes necessary adjustments to the angle between the display and the body, therefore providing ease of use and convenience for the user.
In an embodiment of the invention the control unit is in wireless communication with the cameras, the light source and the angular position sensor. The cameras, the light source and the angular position sensor are in connection with a wireless communication hub preferably located on the brush head which is in wireless communication with the control unit.
In an embodiment of the invention the control unit is connected to the camera, the light source and the angular position sensor via a cable. The cable extends between the brush head and the body and is covered inside a cable duct positioned underneath the pipe.
In an embodiment of the invention the control unit activates the dc motor in order to relate the angle between the pipe and the brush head meaning that angle “A” to the angle between the body and the display meaning that angle “B” by the inequality:
A+9 ≤ B ≤ A+15
It is an objective of the present invention to realize a stick vacuum cleaner having a camera and a display which are connected to a control unit to automatically adjust the angle of the display relative to the body so as to provide an easy and ergonomic use for the user.
The drawings are not meant to delimit the scope of protection as identified in the claims nor should they be referred to alone in an effort to interpret the scope identified in the claims without recourse to the technical disclosure in the description of the present invention.
Figure 1 – is a side view of the stick vacuum cleaner.
Figure 2 – is a side view of the brush head
Figure 3 – is a side view of the body
The following numerals are assigned to different parts demonstrated in the drawings and referred to in the present detailed description of the invention:
  1. Stick vacuum cleaner
  2. Body
  3. Brush head
  4. Bracket
  5. Pipe
  6. Camera
  7. Light source
  8. Display
  9. Angular position sensor
  10. DC motor
  11. Control unit
  12. Cable
The present invention relates to a stick vacuum cleaner (1) comprising; a body (2), a brush head (3) having a bracket (4), a pipe (5) extending between and rotatably connecting the body (2) to the brush head (3) via the bracket (4), at least a camera (6) and a light source (7) placed on to the brush head (3) so as to capture the image of the area to be swept, a display (8) placed on to the body (2) to display the image captured by the camera (6).
The present invention relates to a stick vacuum cleaner (1) comprising; an angular position sensor (9) is placed on to the bracket (4) to measure the angle (A) between the pipe (5) and the brush head (3), a dc motor (10), placed on to the body (2) to rotatably mobilize the display (8) upon activation to form an angle (B) between the body (2) and the display (8), a control unit (11) to activate the dc motor (10) if the angle (A) between the pipe (5) and the brush head (3) falls below a value predetermined by the manufacturer. The angular position sensor (9) is configured to measure the angle between the pipe (5) and the brush head (3) and transmit this value to the control unit (11) simultaneously and continuously. As soon as the angle drops below a limit value predetermined by the manufacturer, the control units (11) decides that the user is currently sweeping under an object and activates the dc motor (10) in order to activate the display (8). Therefore, the visual of the dark and narrow area is provided for the user only if the angle between the pipe (5) and the brush head (3) falls below a limit value, reducing the power consumption of the stick vacuum cleaner (1) by eliminating continous activation of camera (6), light sources (7) and the display (8).
In another embodiment, the control unit (11) activates the dc motor (10) if the angle (A) between the pipe (5) and the brush head (3) falls below 25 degrees and more specifically below 10 degrees. The limit value of the angle between the pipe (5) and the brush head (3) for the control unit (11) to activate the dc motor (10) so as to rotatably turn the display (8) with respect to the body (2) is 25 degrees and more specifically 10 degrees. Therefore, activation of the dc motor (10) by accident is prevented, thus the battery life of the stick vacuum cleaner (1) is prolonged.
In another embodiment, the control unit (11) is in wireless communication with the camera (6), the light source (7) and the angular position sensor (9). The camera (6), the light source (7) and the angular position sensor (9) is connected to a communication hub having wireless communication properties which is wirelessly connected to the control unit (11). Thus, cables extending between the brush head (3) and the body (2) are not utilized achieving a cost advantage. Another advantageous effect of using wireless connection is that the cables extending between the brush head (3) and the body (2) are prone to get damaged during sweeping. Use of wireless communication eliminates this possibility therefore decreasing the maintanence costs of the stick vacuum cleaner (1).
In another embodiment, the control unit (11) is connected to the camera (6), the light source (7) and the angular position sensor (9) via a cable (12) extending between the brush head (3) and the body (2). A cable (12) extending between brush head (3) and the body (2) and covered inside a cable duct provides a cost effective way to connect control unit (11) with the camera (6), the light source (7) and the angular position sensor (9).
In another embodiment, the control unit (11) activates the dc motor (10) so as to relate the angle (A) between the pipe (5) and the brush head (3) to the angle (B) between the body (2) and the display (8) by the equation:
B = A + (12° ± 3°)
Therefore, an optimum view angle is obtained for the user to observe the display (8).
A major advantageous effect of the present invention is that the camera (6) and the display (8) are energized only during sweep of areas that are hard to access thereby preserving battery power. Another advantageous effect of the present invention is that the control unit (11) adjusts the angle between the display (8) and the body (2) therefore providing an ergonomic use for the user.

Claims (5)

  1. A stick vacuum cleaner (1) comprising; a body (2), a brush head (3) having a bracket (4), a pipe (5) extending between and rotatably connecting the body (2) to the brush head (3) via the bracket (4), at least a camera (6) and a light source (7) placed on to the brush head (3) so as to capture the image of the area to be swept, a display (8) placed on to the body (2) to display the image captured by the camera (6), characterized in that an angular position sensor (9) is placed on to the bracket (4) to measure the angle (A) between the pipe (5) and the brush head (3), a dc motor (10), placed on to the body (2) to rotatably mobilize the display (8) upon activation to form an angle (B) between the body (2) and the display (8), a control unit (11) to activate the dc motor (10) if the angle (A) between the pipe (5) and the brush head (3) falls below a value predetermined by the manufacturer.
  2. A stick vacuum cleaner (1) according to claim 1, characterized in that the control unit (11) activates the dc motor (10) if the angle (A) between the pipe (5) and the brush head (3) falls below 25 degrees and more specifically below 10 degrees.
  3. A stick vacuum cleaner (1) according to any one of the preceding claims, characterized in that the control unit (11) is in wireless communication with the camera (10), the light source (7) and the angular position sensor (9).
  4. A stick vacuum cleaner (1) according to claims 1 or 2, characterized in that the control unit (11) is connected to the camera (10), the light source (7) and the angular position sensor (9) via a cable (12) extending between the brush head (3) and the body (2).
  5. A stick vacuum cleaner (1) according to any one of the preceding claims, characterized in that the control unit (11) activates the dc motor (10) so as to relate the angle (A) between the pipe (5) and the brush head (3) to the angle (B) between the body (2) and the display (8) by the equation:
    B = A + (12° ± 3°)
PCT/EP2019/063997 2018-06-25 2019-05-29 A stick vacuum cleaner WO2020001911A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19727663.7A EP3809936B1 (en) 2018-06-25 2019-05-29 A stick vacuum cleaner

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TRA2018/08976 2018-06-25
TR201808976 2018-06-25

Publications (1)

Publication Number Publication Date
WO2020001911A1 true WO2020001911A1 (en) 2020-01-02

Family

ID=66677155

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/063997 WO2020001911A1 (en) 2018-06-25 2019-05-29 A stick vacuum cleaner

Country Status (2)

Country Link
EP (1) EP3809936B1 (en)
WO (1) WO2020001911A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113842084A (en) * 2021-09-23 2021-12-28 台山市冠鑫机械有限公司 Dust collector and screen control method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201641896U (en) 2010-04-13 2010-11-24 瞿屹君 Broom with camera and liquid crystal display
JP2017064529A (en) * 2013-06-03 2017-04-06 みこらった株式会社 Vacuum cleaner
JP2018088970A (en) * 2016-11-30 2018-06-14 東芝ライフスタイル株式会社 Vacuum cleaner

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201641896U (en) 2010-04-13 2010-11-24 瞿屹君 Broom with camera and liquid crystal display
JP2017064529A (en) * 2013-06-03 2017-04-06 みこらった株式会社 Vacuum cleaner
JP2018088970A (en) * 2016-11-30 2018-06-14 東芝ライフスタイル株式会社 Vacuum cleaner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113842084A (en) * 2021-09-23 2021-12-28 台山市冠鑫机械有限公司 Dust collector and screen control method

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Publication number Publication date
EP3809936B1 (en) 2022-05-04
EP3809936A1 (en) 2021-04-28

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