CN100353901C - Electric dust collector - Google Patents
Electric dust collector Download PDFInfo
- Publication number
- CN100353901C CN100353901C CNB2005101375975A CN200510137597A CN100353901C CN 100353901 C CN100353901 C CN 100353901C CN B2005101375975 A CNB2005101375975 A CN B2005101375975A CN 200510137597 A CN200510137597 A CN 200510137597A CN 100353901 C CN100353901 C CN 100353901C
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- dust
- power line
- convex tendon
- arm
- dust collector
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- Electric Vacuum Cleaner (AREA)
Abstract
To effectively remove dust stuck to a dust collecting bag inside a dust collecting part. A vacuum cleaner comprises a cord reel 44 around which a power cord 43 is wound and a dust removing means provided with the dust collecting bag 29 for collecting the dust for removing the dust stuck to the dust collecting bag 29. The dust removing means is provided with a vibration arm body 37 and a dust removing plate 39 for adding vibrations to the dust collecting bag 29 linked with one end of the vibration arm body. The other end of the arm body 37 is engaged with a projection rib 46 formed on the cord reel 44 to be rotated at the time of the pull-out of the power cord 43 and/or at the time of the housing operation of the power cord 43 and swung to swing the linked dust removing plate 39. Thus, the dust removing plate 39 is swung linked with the rotation of the cord reel 44 at the time of housing or pulling out the power cord 43, the dust collecting bag 29 is hit, large vibrations are transmitted to the dust collecting bag 29, and the dust stuck to the dust collecting bag 29 is efficiently removed.
Description
Technical field
Even the present invention relates to the electric dust collector that a kind of dust accumulated in dust collect plant, also can prevent that dust-absorbing strength from descending.
Background technology
Existing electric dust collector is generally as shown in the special public clear 60-38133 of the open communique of Japan Patent.Described below by Figure 13 and Figure 14.
The rear portion of dust collector host body 1 is provided with electric fan chamber 3, and the inside of electric fan chamber 3 is provided with the electric fan 2 that is used to attract dust.In addition, the front portion of described dust collector host body 1 is provided with dust storage chamber 5, and the inside of dust storage chamber 5 is provided with dust bag 4.
In addition, be provided with in electric fan chamber 3 one sides and be used for the power line 6 of power being provided and being used for the power line spool 7 of backrush power line 6 to electric fan 2.When 7 rotations of power line spool, dedusting gear 8 rotates with it linkedly; During dedusting gear 8 rotation, two dedusting parts 9 and dedusting cam 10 rotate respectively, beat sticking to dust on the dust bag 4, dedusting.Like this, can reduce air drag, prevent that dust-absorbing strength from descending.
But in above-mentioned formation, the dust arrester structure that dedusting parts 9 and dedusting cam 10 rotate linkedly is very complicated power line 6 being pulled out or making during recovery operation, and required number of components is also many.
In addition, carrying out power line pulled out or during recovery operation, owing to there is friction between dedusting gear 8 and dedusting cam 10, the dedusting parts 9 etc., cause resistance to increase, the problem of the backrush mis-behave of power line spool such as can cause that the power line spool stops in the process of backrush.
Summary of the invention
The present invention is intended to address the above problem, so its purpose is adding very big vibration on to dust bag, make to adhere to/dust that is deposited in dust bag inside carries out reliably, dedusting efficiently, thus reduce the decline of dust-absorbing airflow, improve dust collecting performance.
In order to solve the above-mentioned problems in the prior art, comprise in the electric dust collector of the present invention: the electric fan that produces dust-absorbing airflow; The power line spool that is used for the backrush power line; With the dust arrester that has the dust bag that is used for the catching dust, the dust that sticks on the described dust bag is carried out dedusting.Be provided with in the described dust arrester to add and raise one's arm and add the dedusting plate that the end of raising one's arm is operated described dust bag linkedly with described; Be drawn out and/or power line when being retracted at described power line, the described other end of raising one's arm that adds meshes, shakes with the convex tendon of heaving that is formed in the rotatable described power line spool, and making with it, the described dedusting plate of interlock also shakes.Like this, can add very big vibration, thereby can carry out reliably sticking to dust in the dust bag, dedusting efficiently, even provide a kind of control of dust operation, dust collecting performance of carrying out for a long time also to be difficult for the electric dust collector that descends dust bag.
The technique effect that the present invention produces is as follows.The present invention can carry out high efficiency dedusting to the dust that adheres to/be deposited in dust-collection element inside, reduces the phenomenon that dust-absorbing airflow descends, thereby a kind of electric dust collector of high dust collecting performance is provided.
The specific embodiment of the invention is summarized as follows.Comprise in the electric dust collector in the 1st scheme of the present invention: the electric fan that produces dust-absorbing airflow; The power line spool that is used for the backrush power line; With the dust arrester that has the dust bag that is used for the catching dust, the dust that sticks on the described dust bag is carried out dedusting.Be provided with in the described dust arrester to add and raise one's arm and add an end of raising one's arm adds operation linkedly to described dust bag dedusting plate with described; Be drawn out and/or power line when being retracted at described power line, the described other end of raising one's arm that adds meshes, shakes with the convex tendon of heaving that is formed in the rotatable described power line spool, and making with it, the described dedusting plate of interlock also shakes.Like this, when power line is retracted or pulls out, when the power line spool rotates, dedusting plate will shake linkedly, and dust bag is beaten, thereby can carry out high efficiency dedusting to the dust that sticks on the dust bag to adding very big vibration on the dust bag.
The 2nd scheme is, forms roughly to be circle-shaped convex tendon body described convex tendon body and heave convex tendon and be interconnected shape on the power line spool in the 1st scheme.Like this, when the power line spool rotates, add the other end of raising one's arm and the pressing operation of heaving between the convex tendon that it withstands will be become very smooth and easy, thus the noise can reduce dedusting the time.
The 3rd scheme is, the side who heaves in convex tendon and the convex tendon body in the 2nd scheme roughly is circular-arc, and the opposing party roughly is dihedral.Like this, when the power line spool rotates, add the other end of raising one's arm and roughly be circular-arc operation when heaving convex tendon and withstanding and to become very smooth and easy, in addition, when add the other end of raising one's arm from roughly be dihedral heave convex tendon discharge, when heaving convex tendon and break away from, can add on raising one's arm and roughly be the corresponding impulsive force of the drop of heaving convex tendon of dihedral adding, thereby be expected to improve the dust removing effects in the dust arrester.
The 4th scheme is, described in the 1st scheme heave convex tendon be provided with a plurality of, along with the swing circle of power line spool make that adding raises one's arm shakes.Like this, during the power line spool rotated a circle, adding the number of operations of raising one's arm can increase, thereby can carry out dedusting efficiently to dust.
The 5th scheme is, heaves the inboard that convex tendon is located at the outer circumference surface of power line spool described in the 4th scheme.Like this, the power line spool need not to strengthen, thereby the body of dust collector host body can not increased, and makes body realize densification.
Description of drawings
Fig. 1 is the whole oblique view of the electric dust collector in the expression embodiments of the invention 1,
Fig. 2 is the main body vertical view of this electric dust collector,
Fig. 3 is the main body sectional view of this electric dust collector,
Fig. 4 is the dust arrester sectional view of shell after the part excision of this electric dust collector main body of expression,
Fig. 5 is the partial cross section figure of the dust arrester in this electric dust collector main body,
Fig. 6 is the front cross-sectional view of the dust arrester in this electric dust collector main body,
Fig. 7 is the oblique view of the dust arrester in this electric dust collector main body,
Fig. 8 is the partial enlarged drawing of raising one's arm and heaving convex tendon that adds in this electric dust collector main body,
Fig. 9 is another partial enlarged drawing of raising one's arm and heaving convex tendon that adds in this electric dust collector main body,
Figure 10 is the partial section of the electric dust collector main body among the present invention the 2nd embodiment,
Figure 11 is the partial section of the electric dust collector main body among the present invention the 3rd embodiment,
Figure 12 is the partial section of the electric dust collector main body among the present invention the 4th embodiment,
Figure 13 is the primary structure sectional view of existing electric dust collector main body,
Figure 14 is the exploded perspective view of the dust arrester in the existing electric dust collector main body.
In the above-mentioned accompanying drawing, 12 is the dust collector host body, and 22 is electric fan, and 29 is dust bag, 34 is filter, and 35 is dedusting plate, and 36 is dust arrester, and 37 raise one's arm for adding, 38 for to add an end of raising one's arm, and 42 for to add the other end of raising one's arm, and 43 is power line, 44 is the power line spool, and 44a is the outer circumference surface of power line spool, and 46 for heaving convex tendon, 51 is the convex tendon body, and 52 is circular-arc part, and 53 is angled portion, 54 for holding out against part, and 55 is sound-absorbing material, and 56 is metal parts.
The specific embodiment
Come with reference to the accompanying drawings some embodiments of the present invention are elaborated.Need to prove that the present invention is not subjected to the qualification of such embodiment.
(embodiment 1)
At first the 1st embodiment of the present invention is described by Fig. 1 to Fig. 9.Fig. 1 is the whole oblique view of the electric dust collector among the present invention the 1st embodiment, Fig. 2 is the main body vertical view of this dust catcher, Fig. 3 is the sectional view of this dust collector host body, Fig. 4 is the sectional view of dust arrester after the part excision in this dust collector host body, Fig. 5 is the dust arrester sectional view of shell after the part excision of this dust collector host body, Fig. 6 is the front cross-sectional view of the dust arrester in the dust collector host body, and Fig. 7 is the oblique view of the dust arrester in this dust collector host body.Fig. 8 is the partial enlarged drawing of raising one's arm and heaving convex tendon 46 that adds in this dust collector host body.Fig. 9 is the part enlarged drawing of raising one's arm and heaving convex tendon 46 that adds in this dust collector host body.
As shown in Fig. 1～Fig. 3, the flexible pipe 15 of dust collector host body 12 by having handle handle 13 and hose coupling 14 links with extension pipe 16, again be installed in extension pipe 16 on, be used to attract the suction nozzle 17 of dust to be connected.In addition, also be provided with 1 front wheel 18 and the pair of rear wheels 19 that is bearing on the rotating shaft on the dust collector host body 12.
The shell of as shown in Figure 3, above-mentioned dust collector host body 12 is made of lower house 20 and upper shell 21.Rear portion one side of dust collector host body 12 is provided with electric fan 22.Electric fan 22 is installed/is fixed on the lower house 20, is used for producing dust-absorbing airflow, and its place ahead is supported by the 1st support rubber spare 23, and the rear is supported by the 1st motor cover 25 and the 2nd motor cover 26 across the 2nd support rubber spare 24.
Front portion one side of dust collector host body 12 is provided with dust storage chamber 27, and the top of dust storage chamber 27 is provided with to open and close the dust collection cover 28 of just described dust storage chamber 27 opening/closings of mode freely.Be provided with the mounting or dismounting dust bag 29 freely that is used for the catching dust in the above-mentioned dust storage chamber 27.
The dividing wall 31 in electric fan 22 the place aheads is provided with connected entrance 33, and electric fan 22 is connected with dust storage chamber 27.The place ahead of connected entrance 33 is provided with and prevents that dust from entering into the filter 34 of electric fan 22.
Be provided with dust arrester 36 between filter 34 and the dust bag 29, be provided with in the dust arrester 36 and be used to beat dust bag 29, it is applied with the dedusting plate 35 of vibration.
Below by Fig. 4～Fig. 7 the formation and the detail operations situation of dust arrester 36 are described.
As shown in Figure 5, add an end 38 of raising one's arm in 37 and be provided with bar-shaped fulcrum 39, fixing dedusting plate 35 (see figure 7)s in mounting or dismounting mode freely on this fulcrum 39 near dust storage chamber 27 1 sides.In addition, adding raises one's arm 37 is supported by being inserted into axle 41 (Fig. 6) that adding in the lower house 20 raise one's arm in the support unit 40, and can rotate freely on the direction shown in the arrow A like that as shown in Figure 5.
In addition, add 37 the other end 42 of raising one's arm and be the state that points to electric fan chambers 30 1 sides from the dividing wall 31 that electric fan chamber 30 and dust storage chamber 27 are isolated.
On the other hand, a side of electric fan chamber 30 is provided with the power cord winding device 45 (Fig. 6) that has power line spool 44.Power line spool 44 can be providing the power line 43 of power to regain/spool to electric fan 22, and be the structure that rotates when power line 43 is drawn out or regains.
As shown in Figure 8, power line spool 44 is provided with a plurality of convex tendons 46 of heaving, and these are heaved convex tendon 46 and are configured to and add 37 the other end 42 of raising one's arm and hold out against mutually.
The below that adds 37 the other end 42 of raising one's arm is provided with spring 47, to adding the strength that 37 the other end 42 of raising one's arm is applied with one side towards the top.In addition, add 37 the end 38 of raising one's arm and be applied in strength when flat as the arrow B direction among Fig. 4.
Below operational circumstances and effect in the dust arrester 36 with above formation are described.
As shown in Figure 5, when power line 43 is drawn out, be located at heaving convex tendon 46 and also will rotate on the power line spool 44.Along with the rotation of heaving convex tendon 46, add 37 the other end 42 of raising one's arm and heaved convex tendon 46 and push, thereby the direction shown in the arrow C in Fig. 5 is rotated.In addition, when power line spool 44 rotates, add 37 the other end 42 of raising one's arm and be subjected to displacement under the pushing of heaving convex tendon 46 earlier, the B direction in Fig. 5 is clashed under the effect of the bounce of spring 47 then.At this moment, dedusting plate 35 with add 37 a end 38 interlocks of raising one's arm, percussion movement also takes place, the dust bag 29 that is positioned at dedusting plate 35 opposites is beaten, thereby can remove the dust that sticks on the dust bag 29.
Like this, adopt above-mentioned formation by making dust arrester 36, can be with very low long-term use cost to adding very big vibration on the dust bag 29, with the dust in addition dedusting reliably that sticks in the dust bag 29.
Particularly, heave near the outer circumference surface that convex tendon 46 is located at the power line spool 44 that can rotate,, can effectively utilize the very big radius in the power line spool 44 when heaving 46 pairs of convex tendons and add 37 the end of raising one's arm and push.Like this, even, also can produce very big moment by being pressed in the power that adds on 37 the end of raising one's arm and little.As a result, very big power can be delivered on the dedusting plate 35, to adding very big vibration on the dust bag 29, thereby can make the dust that sticks in the dust bag 29 realize dedusting with very high efficient.
As shown in Fig. 5, Fig. 7, power line spool 44 is provided with the convex tendon body 51 that roughly is circle-shaped, and these roughly are circle-shaped convex tendon body 51 and are connected with two ends of heaving convex tendon 46 on being formed on power line spool 44.
Like this, when power line spool 44 rotates, add 37 the other end 42 of raising one's arm and slip over the operation of heaving convex tendon 46 and can carry out swimmingly.Its result, the abnormal sound in the time of can reducing dedusting.
In addition, as shown in Figure 8, a side of heaving convex tendon 46 that is formed on the power line spool 44 roughly is circular arc 52, and opposite side roughly is dihedral 53.
Like this, when power line spool 44 rotation, add 37 the other end 42 of raising one's arm and roughly be circular-arc 52 heave the operation of convex tendon 46 before pressing and to become very smooth and easy.In addition, when power line spool 44 continues rotation, adds 37 the other end 42 of raising one's arm and break away from when promptly being released with the convex tendon 46 of heaving that roughly is dihedral 53, the bounce by spring 47 will add on 37 and heave the corresponding impulsive force of drop between convex tendon 46 and the convex tendon body 51 adding to raise one's arm.Meanwhile, and also be coupled with impulsive force on the dedusting plate 35 that adds 37 interlocks of raising one's arm, this impulsive force is beaten dust bag 29, thereby can carry out high efficiency dedusting.
In addition, as shown in Fig. 5, Fig. 7, a plurality of convex tendons 46 of heaving can be set on power line spool 44.
Like this, when power line spool 44 rotates a circle, can make that adding raises one's arm 37 carries out multi-pass operation, also can increase the number of taps that sticks to the dust on the dust bag 29, thereby be expected to improve dust removing effects.
In addition, as shown in Figure 5, be formed on a plurality of on the power line spool 44 and heave convex tendon 46 and roughly be on the circle-shaped convex tendon body 51 with the arranged spaced of equalization.
As a result, can make when power line spool 44 rotates a circle to add 37 the operation of raising one's arm and carry out equably, and add 37 the operation of raising one's arm and also become smooth and easy, thus the tonal variations can reduce dedusting the time.
In addition, as shown in Figure 9, be formed on a plurality of on the power line spool 44 and heave convex tendon 46 and also can roughly be on the circle-shaped convex tendon body 51 with irregular arranged spaced.
Like this, even only pulled out some slightly or moved under half occasion of just stopping at power line 43, be formed on the power line spool 44, heave convex tendon 51 and will make also that adding raises one's arm 37 operates with what irregular spacing was arranged.Even the rotation of power line spool 44 is less than a circle, adding raises one's arm 37 also can carry out multi-pass operation, thereby the cost can reduce long-term the use time is realized dedusting reliably, efficiently.
In addition, as shown in Fig. 5, Fig. 7, be formed on a plurality of on the power line spool 44 and heave the inboard that convex tendon 46 is set at the outer circumference surface 44a of power line spool 44.
Like this, power line spool 44 can not strengthen because convex tendon 46 is heaved in setting, and the volume of power cord winding device 45 can not increase yet.Like this, the space in the dust collector host body 12 can effectively be utilized, and it is compacter that the volume of dust collector host body 12 also seems.
In addition, as shown in Figure 8, be positioned at add on 37 the other end 42 of raising one's arm, roughly be circular-arc with the part 54 that holds out against that convex tendon 46 withstands mutually of heaving that is formed on the power line spool 44.
Like this, when power line spool 44 rotation, add 37 the other end 42 of raising one's arm and slip over the operation of heaving convex tendon 46 and will become very smooth and easy.Operating characteristics when as a result, power line 43 is pulled out or regained can be improved.
(embodiment 2)
Figure 10 is the sectional view of the part important structure of the electric dust collector among the present invention the 2nd embodiment.The power line spool 44 of the dust arrester 36 among the embodiment 1 and the detailed maps of constructing on every side have been shown in the present embodiment.Wherein, put on identical symbol, and omitted explanation it with component parts identical among the embodiment 1.
In Figure 10, be arranged in add on 37 the other end 42 of raising one's arm, be provided with sound-absorbing material material 55 with the side who heaves convex tendon 46 or two sides that hold out against part 54 and be formed on the power line spool 44 that convex tendon 46 withstands mutually that heave that are formed on the power line spool 44.
Like this, the noise that sends in the time of can reducing dedusting.
(embodiment 3)
Figure 11 is the sectional view of the part important structure of the electric dust collector among the present invention the 3rd embodiment.Illustrated in the present embodiment in the dust arrester 36 of embodiment 1 power line spool 44 and around the detailed maps of structure.Wherein, put on identical symbol, and omitted repeat specification it with embodiment 1 identical construction.
In Figure 11, be arranged in add on 37 the other end 42 of raising one's arm, be provided with metal parts 56 with the part 54 that holds out against that convex tendon 46 withstands mutually of heaving that is formed on the power line spool 44 with the side who heaves convex tendon 46 or two sides that are formed on the power line spool 44.
Like this, adding the wearing and tearing that 37 the other end 42 of raising one's arm produces when being formed on heaving convex tendon 46 and withstand mutually on the power line spool 44 can reduce, and raises one's arm 37 and service life of power line spool 44 thereby can prolong to add.
(embodiment 4)
Figure 12 is the dust catcher body structural section figure that is used to represent the present invention the 4th embodiment.The detail operations situation of the dedusting plate 35 among the embodiment 1 has been shown in the present embodiment.Wherein, the component part identical with embodiment 1 put on identical symbol, and omits the repeat specification to it.
In Fig. 3 and Figure 12, be used for the dividing wall 31 that electric fan chamber 30 and dust storage chamber 27 are isolated is located at lower house 20, the top of dividing wall 31 is provided with seal 32, and seal 32 makes and keeps the aeroseal states in the dust storage chamber 27, does not take place to leak gas guaranteeing.
The dividing wall 32 in electric fan 22 the place aheads is provided with connected entrance 33, and electric fan 22 and dust storage chamber 27 are connected, and the place ahead of connected entrance 33 is provided with and prevents that dust from entering the filter 34 in the electric fan 22.
Be provided with between filter 34 and the dust bag 29 dust bag 29 is beaten, it is added the dedusting plate 35 of vibration.
In Figure 12, add 37 the other end 42 of raising one's arm and rotate towards arrow D direction and E direction according to the height of heaving convex tendon 46 that is formed on the power line spool 44.
Like this, raise one's arm 37 towards the rotation of arrow D direction if add, dedusting plate 35 promptly beats the dust that sticks on the dust bag 29; Raise one's arm 37 when the arrow E direction is rotated and add, dedusting plate 35 can beat the dust that sticks on the filter 34 again.
Like this, can carry out dedusting to the dust that sticks to the dust on the dust bag 29 and stick on the filter 34 simultaneously, thereby can carry out high efficiency dedusting with very low long-term use cost.
As mentioned above, electric dust collector among the present invention can carry out dedusting efficiently to the dust that adheres to, is deposited in dust-collection element inside, thereby can reduce the phenomenon that dust-absorbing airflow descends, improve dust collecting performance, so go under the use occasions such as family, premise.
Claims (5)
1. electric dust collector is characterized in that comprising:
Produce the electric fan of dust-absorbing airflow;
The power line spool that is used for the backrush power line;
The dust bag that is used for the catching dust; With
The dust arrester that the dust that sticks on the described dust bag is carried out dedusting,
Be provided with in the described dust arrester to add and raise one's arm and add an end of raising one's arm adds operation linkedly to described dust bag dedusting plate with described;
Be drawn out and/or power line when being retracted at described power line, the described other end of raising one's arm that adds meshes, shakes with the convex tendon of heaving that is formed on the rotatable described power line spool, and making with it, the described dedusting plate of interlock also shakes.
2. the electric dust collector described in claim 1 is characterized in that: form on the power line spool and roughly be circle-shaped convex tendon body, described convex tendon body and the described convex tendon of heaving are interconnected shape.
3. the electric dust collector described in claim 2, it is characterized in that: a described side of heaving convex tendon roughly is circular-arc, and opposite side roughly is dihedral.
4. the electric dust collector described in claim 1 is characterized in that: described heave convex tendon be provided with a plurality of, along with the swing circle of power line spool make that adding raises one's arm shakes.
5. the electric dust collector described in claim 4 is characterized in that: describedly heave the inboard that convex tendon is located at the outer circumference surface of power line spool.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005005929A JP2006192045A (en) | 2005-01-13 | 2005-01-13 | Vacuum cleaner |
| JP2005005929 | 2005-01-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1803081A CN1803081A (en) | 2006-07-19 |
| CN100353901C true CN100353901C (en) | 2007-12-12 |
Family
ID=36798568
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520128790 Expired - Lifetime CN2897131Y (en) | 2005-01-13 | 2005-12-30 | Electric dust collector |
| CNB2005101375975A Expired - Fee Related CN100353901C (en) | 2005-01-13 | 2005-12-30 | Electric dust collector |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520128790 Expired - Lifetime CN2897131Y (en) | 2005-01-13 | 2005-12-30 | Electric dust collector |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2006192045A (en) |
| CN (2) | CN2897131Y (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4867646B2 (en) * | 2006-12-26 | 2012-02-01 | パナソニック株式会社 | Vacuum cleaner |
| JP4910686B2 (en) * | 2006-12-26 | 2012-04-04 | パナソニック株式会社 | Vacuum cleaner |
| JP4935496B2 (en) * | 2007-05-17 | 2012-05-23 | パナソニック株式会社 | Vacuum cleaner |
| JP4982396B2 (en) * | 2008-01-25 | 2012-07-25 | 日立アプライアンス株式会社 | Electric vacuum cleaner |
| JP4982395B2 (en) * | 2008-01-25 | 2012-07-25 | 日立アプライアンス株式会社 | Electric vacuum cleaner |
| JP2011183013A (en) * | 2010-03-10 | 2011-09-22 | Panasonic Corp | Vacuum cleaner |
| JP2011251025A (en) * | 2010-06-03 | 2011-12-15 | Panasonic Corp | Vacuum cleaner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0024636A1 (en) * | 1979-08-16 | 1981-03-11 | Hitachi, Ltd. | Vacuum cleaner |
| US4258451A (en) * | 1979-07-23 | 1981-03-31 | Tennant Company | Surface sweeping machine |
| US4345353A (en) * | 1979-07-23 | 1982-08-24 | Tennant Company | Filtering device |
| CN2031317U (en) * | 1988-04-29 | 1989-01-25 | 航天工业部第七设计研究院 | Fibre cleaner |
| JP2004216009A (en) * | 2003-01-17 | 2004-08-05 | Toshiba Tec Corp | Vacuum cleaner |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5329024Y2 (en) * | 1973-12-12 | 1978-07-20 | ||
| JPS51107060U (en) * | 1975-02-25 | 1976-08-26 | ||
| JPS54154165A (en) * | 1978-05-24 | 1979-12-05 | Matsushita Electric Ind Co Ltd | Dust removal device for vacuum cleaner |
| JPS6228290Y2 (en) * | 1979-07-12 | 1987-07-20 | ||
| JP2004174045A (en) * | 2002-11-28 | 2004-06-24 | Matsushita Electric Ind Co Ltd | Vacuum cleaner |
-
2005
- 2005-01-13 JP JP2005005929A patent/JP2006192045A/en active Pending
- 2005-12-30 CN CN 200520128790 patent/CN2897131Y/en not_active Expired - Lifetime
- 2005-12-30 CN CNB2005101375975A patent/CN100353901C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4258451A (en) * | 1979-07-23 | 1981-03-31 | Tennant Company | Surface sweeping machine |
| US4345353A (en) * | 1979-07-23 | 1982-08-24 | Tennant Company | Filtering device |
| EP0024636A1 (en) * | 1979-08-16 | 1981-03-11 | Hitachi, Ltd. | Vacuum cleaner |
| CN2031317U (en) * | 1988-04-29 | 1989-01-25 | 航天工业部第七设计研究院 | Fibre cleaner |
| JP2004216009A (en) * | 2003-01-17 | 2004-08-05 | Toshiba Tec Corp | Vacuum cleaner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN2897131Y (en) | 2007-05-09 |
| CN1803081A (en) | 2006-07-19 |
| JP2006192045A (en) | 2006-07-27 |
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