CN2657568Y - Charging type vacuum cleaner - Google Patents
Charging type vacuum cleanerInfo
- Publication number
- CN2657568Y CN2657568Y CN 03207875 CN03207875U CN2657568Y CN 2657568 Y CN2657568 Y CN 2657568Y CN 03207875 CN03207875 CN 03207875 CN 03207875 U CN03207875 U CN 03207875U CN 2657568 Y CN2657568 Y CN 2657568Y
- Authority
- CN
- China
- Prior art keywords
- main body
- charger
- battery
- charging
- judgment means
- 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 - Fee Related
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- Electric Vacuum Cleaner (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a charging type vacuum cleaner. The operation state of a host computer on one side of a charging device is judged by the vacuum cleaner or the state of the host computer on the charging device is directly operated so as to save assembly and disassembly procedure and to avoid the misjudgment on the charging amount due to the simultaneous charging and discharging as well as the deterioration on batteries and so on. In the utility model, the charging device (11) is provided with a detection device (12) which checks the installation state of the host computer and a detection device (16) which checks the operation state of the host computer. In this way, a host computer entity 1 is not necessary to be dismantled from the charging device (11) for every-time use so as to avoid the misjudgment on the charging amount of a battery (2) due to the discharging operation and the deterioration on the battery (2) due to long-time charging and discharging.
Description
Technical field
The utility model relate to use in the general family, particularly with the rechargeable dust catcher of secondary cell as power supply.
Background technology
In recent years, be that the secondary cell (following title battery) of representative is that the exploitation of dust catcher of power supply is very in vogue with nickel-hydrogen secondary cell or nickel chromium triangle secondary cell.The formation of so rechargeable dust catcher is described below with reference to Fig. 3 and Fig. 4.Among the figure, 101 is dust collector host body (following title main body); The 102nd, be installed in battery in the main body 101 as power supply; 103 for producing the electric blower of attraction.Also be provided with in the main body 101 and be used for collecting the dust storage chamber (not shown) that is attracted the dust that comes.105 is flexible pipe, and 106 are joining with an end of flexible pipe 105, as to be used for sending operational order handle operation unit.107 is extension pipe, and 108 is the ground suction nozzle.109 for driving the main body control device of control electric blower 103, be provided with the battery voltage detector of the voltage that is used to detect battery 102.111 is charger, and 112 is whether detection main body 101 that is battery 102 are installed to the battery installation status checkout gear on the charger.113 is the charger battery voltage detector that detects the voltage of battery 102, and 114 is the battery temperature checkout gear of judging battery temperature from the thermistor of battery 102.In addition, 115 is the battery charge controller that battery 102 is charged, and 116 for automatically cutting off the power cut-off device to the power supply of dust collector host body 111 when dust collector host body 101 is installed on the charger 111.
The charging operations that battery 102 is carried out carries out in the following manner.When installing to main body 101 on the charger 111, battery installation status checkout gear 112 will detect battery 102 and install, battery charge controller 115 state such as voltage by charger battery voltage detector 113 and 114 pairs of batteries of battery temperature checkout gear and temperature is on one side confirmed, Yi Bian charge.
In addition, the operation of dust catcher simultaneously also is that the discharge operation of battery 102 carries out in the following manner.The user makes main body control device 109 power electric blower 103 entrys into service from battery 102 to electric blower 103 by control handle operating unit 106.Produce air thus and attracted, make dust in ground suction nozzle 108, extension pipe 107 and flexible pipe 105 attracted to dust storage chamber 104 in the main body 101.In the control that this discharge process is carried out, someone advises going out the device (not shown) according to the voltage that detects battery by battery voltage detection, when it is lower than the magnitude of voltage of regulation, stop discharge operation or carry out surplus demonstration etc., to prevent degradation of cell performance.In addition, also the someone proposes when dust collector host body 101 installs on the charger 111, stop 109 power supplies of main body control device by the power cut-off device 116 that constitutes by switch, the operation of main body is also stopped, battery 102 temperature that battery 102 temperature rise and charging the causes rising that causes of avoiding discharging takes place simultaneously, thereby prevents the performance degradation of battery 102.Specifically can be with reference to following documents 1: Japan Patent open communique spy open 2002-168193 number.
But, in above-mentioned existing apparatus, directly just can carry out dust suction even under dust collector host body 101 is contained in state on the charger 111, pull out flexible pipe 105, carry out the dust suction operation after also needing dust collector host body 101 pulled down from charger 111 again, after finishing, operation needs again to load onto once more, very trouble.In addition, when charging, also give no thought to the operational circumstances of dust collector host body 101, exist the problem of easily charge volume being judged by accident disconnected and battery generation deterioration.
The utility model content
The utility model is finished in order to solve such problem, by the main body mode of operation being judged in charger one side, a kind of rechargeable dust catcher that can directly operate under main body is contained in state on the charger is provided, thereby can save the trouble of mounting or dismounting, avoid charging and discharge to carry out simultaneously and cause and judge by accident disconnected and rough sledding such as deterioration of battery charge volume.
To achieve these goals, be provided with in the rechargeable dust catcher of the present utility model: inside is provided with the main body of the electric blower that produces dust-absorbing airflow, the charger that drives the battery of described electric blower, described battery is charged.Also be provided with in the described charger and detect described main body and whether be installed to main body mount state testing device on the described charger; Mode of operation judgment means with the mode of operation of judging described main body.Like this, a kind of so rechargeable dust catcher just can be provided, when using main body, needn't pull down from charger, directly just can carry out charging operations also need not being installed on the charger this step after the use again, can also avoid that to cause charge volume to battery that erroneous judgement takes place disconnected and charge simultaneously and discharge and cause the generation of rough sledding such as deterioration of battery because of long-time because of discharge operation simultaneously.
Rechargeable dust catcher in the technical solution of the utility model 1 described utility model comprises: inside is provided with the main body of the electric blower that produces dust-absorbing airflow; Drive described electric blower battery; With the charger that described battery is charged, be provided with main body mount state testing device that detects the installment state of described main body on described charger and the mode of operation judgment means of judging the mode of operation of described main body in the described charger.Like this, just can provide a kind of and also need not to reinstall this step after when using main body, just needn't pulling down, use and directly just can carry out the rechargeable dust catcher of charging operations, and can avoid causing charge volume to battery to take place to judge by accident to break and charging for a long time simultaneously and discharge and cause the appearance of rough sledding such as deterioration of battery because of discharge operation from charger.
The technical solution of the utility model 2 described utility models are, also comprise the voltage change judgment means that to obtain the change information that is applied to the cell voltage on the charger, by receive the output of described voltage change judgment means by described mode of operation judgment means, the mode of operation of main body is judged.Like this, just can provide a kind of and also need not to reinstall this step after when using main body, just needn't pulling down, use and directly just can carry out the rechargeable dust catcher of charging operations, and can avoid causing charge volume to battery to take place to judge by accident to break and charging for a long time simultaneously and discharge and cause the appearance of rough sledding such as deterioration of battery because of discharge operation from charger.
The technical solution of the utility model 3 described rechargeable dust catchers are, under main body was installed on the charger with regard to the occasion of directly operating, described charger can not charge to battery.Like this, just can provide a kind of and also need not to reinstall this step after when using main body, just needn't pulling down, use and directly just can carry out the rechargeable dust catcher of charging operations, and can avoid causing charge volume to battery to take place to judge by accident to break and charging for a long time simultaneously and discharge and cause the appearance of rough sledding such as deterioration of battery because of discharge operation from charger.
The technical solution of the utility model 4 described utility models are to comprise that also the operation signal that will represent the mode of operation of main body carries out the operation signal superposition device of superposition; With from judged the superposition signal judgment means of the mode of operation of main body by the operation signal of superposition, according to the output of described superposition signal judgment means the mode of operation of main body is judged.Like this, just can provide a kind of and also need not to reinstall this step after when using main body, just needn't pulling down, use and directly just can carry out the rechargeable dust catcher of charging operations, and can avoid causing charge volume to battery to take place to judge by accident to break and charging for a long time simultaneously and discharge and cause the appearance of rough sledding such as deterioration of battery because of discharge operation from charger.
The technical solution of the utility model 5 described utility models are also to be provided with the operation signal dispensing device of the operation signal of the mode of operation that sends the expression main body; With the operation signal receiving system that receives this operation signal, the main body mode of operation is judged according to the output of described operation signal receiving system.Like this, just can provide a kind of and also need not to reinstall this step after when using main body, just needn't pulling down, use and directly just can carry out the rechargeable dust catcher of charging operations, and can avoid causing charge volume to battery to take place to judge by accident to break and charging for a long time simultaneously and discharge and cause the appearance of rough sledding such as deterioration of battery because of discharge operation from charger.
The technical solution of the utility model 6 described utility models are also to comprise the full charging judgment means of the fully charged state of judging battery in the charger; Allow device with allowing or forbidding that full charging that the described judgment means of completely charging is judged is judged, under main body is installed under the state in the charger with regard to the occasion of directly operating, forbid carrying out full charging judgement.Like this, just can provide a kind of and also need not to reinstall this step after when using main body, just needn't pulling down, use and directly just can carry out the rechargeable dust catcher of charging operations, and can avoid causing charge volume to battery to take place to judge by accident to break and charging for a long time simultaneously and discharge and cause the appearance of rough sledding such as deterioration of battery because of discharge operation from charger.
The technical solution of the utility model 7 described utility models are also to comprise the battery charge controller that battery is charged in the charger; Charging control power supply source feedway with to described battery charge controller power supply is installed under the occasion of just operating in the charger at main body, cuts off the power supply to battery charge controller.Like this, just can provide a kind of and also need not to reinstall this step after when using main body, just needn't pulling down, use and directly just can carry out the rechargeable dust catcher of charging operations, and can avoid causing charge volume to battery to take place to judge by accident to break and charging for a long time simultaneously and discharge and cause the appearance of rough sledding such as deterioration of battery because of discharge operation from charger.In addition, the power supply owing to having cut off at the main body duration of work battery charge controller can also suppress power consumption.
The technical solution of the utility model 8 described utility models are, also comprise in the charger from the output of mode of operation judgment means and judge that the operation whether main body has stopped stopping judgment means, restart charging when operation stops.Like this, just can provide a kind of and also need not to reinstall this step after when using main body, just needn't pulling down, use and directly just can carry out the rechargeable dust catcher of charging operations, and can avoid causing charge volume to battery to take place to judge by accident to break and charging for a long time simultaneously and discharge and cause the appearance of rough sledding such as deterioration of battery because of discharge operation from charger
The technical solution of the utility model 9 described utility models are, also be provided with the complete arresting stop of charging in the charger, judge the main frame machine under the occasion of operation from the output of mode of operation judgment means, make charge volume judgement up to now invalid, in output that operation from be located at charger stop judgment means judge occasion that operation stopped under, from first begin charging thereafter.Like this, just can provide a kind of and also need not to reinstall this step after when using main body, just needn't pulling down, use and directly just can carry out the rechargeable dust catcher of charging operations, and can avoid causing charge volume to battery to take place to judge by accident to break and charging for a long time simultaneously and discharge and cause the appearance of rough sledding such as deterioration of battery because of discharge operation from charger.
The technical solution of the utility model 10 described utility models are, to carry out the function timing device of timing under the state of main body in being contained in charger from the operating time that operation begins; With the discharge capacity calculation element that calculates the discharge capacity of battery from the output of mode of operation judgment means, judge under the occasion that operation stopped the control of charging again after discharge capacity is considered in the output that the operation from be located at charger stops judgment means.Like this, just can provide a kind of and also need not to reinstall this step after when using main body, just needn't pulling down, use and directly just can carry out the rechargeable dust catcher of charging operations, and can avoid causing charge volume to battery to take place to judge by accident to break and charging for a long time simultaneously and discharge and cause the appearance of rough sledding such as deterioration of battery because of discharge operation from charger.
Description of drawings
Fig. 1 is the main body among the expression embodiment of the present utility model and the system block diagram of the connection situation between the charger.
Fig. 2 is the oblique view of the overall appearance of this electric dust collector of expression.
Fig. 3 is the system block diagram of the connection situation between existing dust collector host body of expression and the charger.
Fig. 4 is the oblique view of the overall appearance of the existing electric dust collector of expression.
In the above-mentioned accompanying drawing, 2 is battery; 3 is electric blower; 9 is the main body control device; 12 is the battery installation status checkout gear; 15 is battery charge controller; 16 is the mode of operation judgment means; 17 is the voltage change judgment means; 18 for driving signal superposition device; 19 is superposition signal judgment means; 20 for driving sender unit; 21 for driving signal receiving device; 22 are full charging judgement permission device; 23 are charging permission device; 24 are charge power supply supply shearing device; 25 are the operation stop control; 26 are the complete arresting stop of charging; 27 is the discharge capacity calculation element.
The specific embodiment
Below with reference to Fig. 1 and Fig. 2 an embodiment of the present utility model is described.Among the figure, 1 is dust collector host body (below abbreviate main body as); 2 for being installed in the rechargeable battery in the main body 1 as power supply; 3 for producing the electric blower of attraction.Be provided with in the main body 1 and be used for the collected dust storage chamber (not shown) of the dust that is attracted to main body 1.5 is flexible pipe, 6 handle operation unit for being connected with an end of flexible pipe 5, be used to send the mode of operation instruction.7 is extension pipe, and 8 is the ground suction nozzle.9 is the main body control device of the driving of control electric blower 3, has the main body battery voltage detector (not shown) of the voltage that detects battery 2.11 is charger, and 12 is whether detection battery 2 that is main body 1 are installed to the battery installation status checkout gear on the charger.13 is the charger battery voltage detector that detects the voltage of battery 2, and 14 is the battery temperature checkout gear of judging the temperature of battery 2 by thermistor.In addition, 15 is the battery charge controller that battery 2 is charged, and 16 is the mode of operation judgment means of judging the mode of operation of main body 1.17 for changing the voltage change judgment means of the voltage change when detecting the main body that is contained on the charger and beginning to operate from the output of charger battery voltage detector 13.18 make the driving signal superposition device that drives on the thermistor terminal that signal is superimposed to battery 2 during for the electric blower 3 in driving main body 1, and 19 is to this superposition signal judgment means of being judged by the driving signal of superposition in charger 11.
The following describes operational circumstances.The operation of dust catcher itself is identical with existing dust catcher.The user makes main body control device 9 from battery 2 supply power power to electric blower 3, electric blower 3 entrys into service by operating handle operating unit 6; Produce the air attraction thus, with dust through ground suction nozzle 8 from the dust storage chamber 4 that extension pipe 7 and flexible pipe 5 sucks in the main bodies 1.
When main body 1 is connected with charger 11, battery installation status checkout gear 12 will detect battery 2 and install, battery charge controller 15 is confirmed charger battery voltage detector 13 detected voltages and battery temperature checkout gear 14 detected temperature on one side, Yi Bian charge.22 for allowing or forbidding whether charging being finished the full charging judgement permission device of judging, 23 is that the charging that itself allows or forbid charging allows device.
Under main body 1 and state that charger 11 is connected, when 6 inputs of handle operation unit made main body control device 9 in the main body 1 to electric blower 3 output drive signals, battery 2 was a supply power power, and electric blower 3 is with regard to entry into service.Along with the carrying out of this driving, battery 2 begins discharge, and the voltage of battery 2 promptly descends.The voltage of battery 2 begins to reduce this voltage change and is judged by voltage change judgment means 17, it is to be under the state that is connected with charger 11 to operate that mode of operation judgment means 16 can be judged main body 1 from its output, and full charging judges that allowing device 22 just to forbid carrying out during operation full charging judges.Like this, can prevent because of discharge operation to charge volume promptly charge whether finish judge by accident disconnected.
In addition, during electric blower 3 in driving main body 1, to drive on the thermistor terminal that signal is superimposed to battery 2 by driving signal superposition device 18, in charger 11, the superposition signal from the thermistor terminal is received by superposition signal judgment means 19 and judge, mode of operation judgment means 16 is judged main body 1 from its output and is being operated, and allows device 23 to forbid in operation charging by charging.So, can avoid charging simultaneously for a long time and discharge causes deterioration of battery.In addition, also be provided with the charge power supply supply shearing device 24 that is used to cut off the power supply that charging control circuit is carried out.Charge power supply is supplied with shearing device 24 and is accepted self-charging to allow the output of device 23, also cut off at the power that stops will to supply with between charge period charging control circuit, thus the consumption of inhibition power.
In addition, the method that the mode of operation of main body 1 is sent in the charger 11 can adopt following method: be provided with in main body 1 and drive sender unit 20, in charger 11, be provided with and drive signal receiving device 21, output in that main body 1 one side joints are received main body control device 9 sends to charger 11 1 sides by driving the signal of sender unit 20 with relevant driving condition; Receive this signal in charger 11 1 sides by driving signal receiving device 21, and be sent to mode of operation judgment means 16.
The mode of operation that charger 11 also is provided with at main body 1 becomes the operation stop control of handling when stopping 25 from work.When mode of operation judgment means 16 judges that the operation of main body 1 stops, operation stop control 25 becomes the formation that is allowed device 22 to be forbidden by full charging judgement and allows to judge, and, make to be recharged to allow device 23 to forbid that the formation of charging also becomes the permission charging.At this moment, the power supply to charging control circuit that is undertaken by charge power supply supply shearing device 24 is supplied with to cut off and also will be removed.
In addition, in the component part of in main body 1 operation, forbidding charging, by the complete arresting stop 26 of charging that the battery information of up to now charging control is removed fully is set, under the occasion that the operation of main body 1 stops, can making charging control from first, can make charging control not be subjected to the influence of the variations in temperature etc. of the battery 2 that produces because of discharging like this, can carry out reliably.Perhaps, also discharge capacity calculation element 27 can be set, discharge current from operating process and operating time calculate the discharge capacity of battery 2, after the operation of main body 1 stops, discharge capacity up to now is sent to battery charge controller 15, battery charge controller 15 will carry out reference to above-mentioned discharge capacity when restarting to charge, thereby can carry out high efficiency charging control.
By carrying out such control, just can resemble that works shown in Fig. 2 and make charger 11 and on dust collector host body 1, can adorn removable and also can operate adorning charger, thus can provide a kind of needn't be when each the use mounting or dismounting charger 11, just just pull down when wanting to pull down, rechargeable dust catcher easy to use.
In sum, adopt words of the present utility model, can provide a kind of so rechargeable dust catcher: when using main body, needn't pull down charger, after using, also can save this operation of charger is installed, directly just can carry out charging operations, and can avoid causing the generation of rough sledding such as deterioration of battery because of discharge operation causes the charge volume of battery judged by accident disconnected and charge for a long time simultaneously and discharge.
Claims (10)
1. rechargeable dust catcher is characterized in that comprising:
Inside is provided with the main body of the electric blower that produces dust-absorbing airflow;
Drive described electric blower battery; With
To the charger that described battery charges, be provided with main body mount state testing device that detects the installment state of described main body on described charger and the mode of operation judgment means of judging the mode of operation of described main body in the described charger.
2. rechargeable dust catcher as claimed in claim 1, it is characterized in that also comprising the voltage change judgment means that to obtain the change information that is applied to the cell voltage on the charger, by receive the output of described voltage change judgment means by described mode of operation judgment means, the mode of operation of main body is judged.
3. rechargeable dust catcher as claimed in claim 1 is characterized in that: under main body was installed on the charger with regard to the occasion of directly operating, described charger can not charge to battery.
4. rechargeable dust catcher as claimed in claim 3 is characterized in that also comprising that the operation signal that will represent the mode of operation of main body carries out the operation signal superposition device of superposition; With from judged the superposition signal judgment means of the mode of operation of main body by the operation signal of superposition, according to the output of described superposition signal judgment means the mode of operation of main body is judged.
5. rechargeable dust catcher as claimed in claim 3 is characterized in that also being provided with the operation signal dispensing device of the operation signal of the mode of operation that sends the expression main body; With the operation signal receiving system that receives this operation signal,
Output according to described operation signal receiving system is judged the main body mode of operation.
6. rechargeable dust catcher as claimed in claim 3 is characterized in that: the full charging judgment means that also comprises the fully charged state of judging battery in the charger; Allow device with allowing or forbidding that full charging that the described judgment means of completely charging is judged is judged,
Under main body is installed under the state in the charger with regard to the occasion of directly operating, forbids carrying out full charging and judge.
7. rechargeable dust catcher as claimed in claim 3 is characterized in that: also comprise the battery charge controller that battery is charged in the charger; With charging control power supply source feedway to described battery charge controller power supply,
Be installed under the occasion of just operating in the charger at main body, cut off power supply battery charge controller.
8. rechargeable dust catcher as claimed in claim 1 is characterized in that: also comprise in the charger from the output of mode of operation judgment means and judge that the operation whether main body has stopped stopping judgment means, restart charging when operation stops.
9. rechargeable dust catcher as claimed in claim 1, it is characterized in that: also be provided with the complete arresting stop of charging in the charger, judge the main frame machine under the occasion of operation from the output of mode of operation judgment means, make charge volume judgement up to now invalid, in output that operation from be located at charger stop judgment means judge occasion that operation stopped under, from first begin charging thereafter.
10. rechargeable dust catcher as claimed in claim 1 is characterized in that also being provided with: to carry out the function timing device of timing under the state of main body in being contained in charger from the operating time that operation begins; With the discharge capacity calculation element that calculates the discharge capacity of battery from the output of mode of operation judgment means, judge under the occasion that operation stopped the control of charging again after discharge capacity is considered in the output that the operation from be located at charger stops judgment means.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002268554 | 2002-09-13 | ||
| JP2002268554A JP2004105273A (en) | 2002-09-13 | 2002-09-13 | Charging type vacuum cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2657568Y true CN2657568Y (en) | 2004-11-24 |
Family
ID=32266743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03207875 Expired - Fee Related CN2657568Y (en) | 2002-09-13 | 2003-09-09 | Charging type vacuum cleaner |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2004105273A (en) |
| CN (1) | CN2657568Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102933134A (en) * | 2010-06-02 | 2013-02-13 | 松下电器产业株式会社 | Vacuum cleaner |
| CN103294056A (en) * | 2012-03-02 | 2013-09-11 | 苏州宝时得电动工具有限公司 | Automatic walking device and control method thereof |
| US10105838B2 (en) | 2012-03-02 | 2018-10-23 | Positec Power Tools (Suzhou) Co., Ltd | Automatically travelling device and control method therefor |
| CN110650666A (en) * | 2017-06-22 | 2020-01-03 | 东芝生活电器株式会社 | Electric cleaning device |
| CN111938501A (en) * | 2019-05-16 | 2020-11-17 | 东芝生活电器株式会社 | Electric vacuum cleaner |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2016101847B4 (en) | 2015-10-28 | 2022-02-17 | Bissell Inc. | Surface cleaning apparatus |
| US11304581B2 (en) | 2019-01-08 | 2022-04-19 | Bissell Inc. | Surface cleaning apparatus |
-
2002
- 2002-09-13 JP JP2002268554A patent/JP2004105273A/en active Pending
-
2003
- 2003-09-09 CN CN 03207875 patent/CN2657568Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102933134A (en) * | 2010-06-02 | 2013-02-13 | 松下电器产业株式会社 | Vacuum cleaner |
| CN102933134B (en) * | 2010-06-02 | 2015-10-07 | 松下知识产权经营株式会社 | Electric dust collector |
| CN103294056A (en) * | 2012-03-02 | 2013-09-11 | 苏州宝时得电动工具有限公司 | Automatic walking device and control method thereof |
| US10105838B2 (en) | 2012-03-02 | 2018-10-23 | Positec Power Tools (Suzhou) Co., Ltd | Automatically travelling device and control method therefor |
| CN110650666A (en) * | 2017-06-22 | 2020-01-03 | 东芝生活电器株式会社 | Electric cleaning device |
| CN110650666B (en) * | 2017-06-22 | 2021-06-25 | 东芝生活电器株式会社 | Electric cleaning device |
| CN111938501A (en) * | 2019-05-16 | 2020-11-17 | 东芝生活电器株式会社 | Electric vacuum cleaner |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004105273A (en) | 2004-04-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041124 Termination date: 20100909 |