CN103183012B - License plate cleaning device - Google Patents

License plate cleaning device Download PDF

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Publication number
CN103183012B
CN103183012B CN201310088848.XA CN201310088848A CN103183012B CN 103183012 B CN103183012 B CN 103183012B CN 201310088848 A CN201310088848 A CN 201310088848A CN 103183012 B CN103183012 B CN 103183012B
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car plate
cleaning device
armed lever
spraying
pipe
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CN103183012A (en
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陶晓东
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陶晓东
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Abstract

The invention relates to the field of automobile, in particular to a license plate cleaning device. The license plate cleaning device comprises a water spray cleaning system and a license plate cleaning piece motion system, wherein the water spray cleaning system comprises a liquid storage tank, a water pipe and a washer pump; one end of the water pipe is communicated with the liquid storage tank, and the other end of the water pipe is communicated with a license plate; the washer pump is arranged at the water pipe; the license plate cleaning piece motion system comprises a cleaning piece, a motor and a piston structure; one end of the piston structure is connected with the cleaning piece, and the other end of the piston structure is connected with the motor; and the motor drives the cleaning piece to move along the surface of the license plate through the piston structure. The license plate cleaning device provided by the invention can clean each position of the license plate with lower possibility of abrading the license plate, and can be mounted in a hidden position of an automobile body when mounted, so that the whole coordination and attractiveness are not influenced.

Description

Car plate clean-up device
Technical field
The present invention relates to automotive field, in particular to a kind of car plate clean-up device.
Background technology
In daily life, automobile can do comprehensive cleaning to vehicle body, to remove the dirt on vehicle body usually after traveling a period of time.The position of cleaning can comprise vehicle window, car door, wheel, car plate etc.
In addition, because whether vehicle window totally can affect the sight line of chaufeur, driving safety is concerned.Thus, automobile is also provided with air regulator spraying-cleaning device and the Wiping device of special clean vehicle window, thus the raindrop that vehicle window drops, water stain and spot etc. can be cleaned in time.
In sum, except car load cleaning in prior art, special car plate clean-up device are not set, to clean car plate in time.But traffic law is instantly fixed, if car plate is blocked, then can carry out deduction of points punishment to chaufeur.And in life, the situation that the spot that unforeseen circumstances causes blocks car plate can hardly be avoided, in order to avoid the penalizing chaufeur that this kind of situation causes by mistake, need a kind of appearance of special car plate clean-up device.
Summary of the invention
The object of the present invention is to provide a kind of car plate clean-up device, to solve the above problems.
Provide a kind of car plate clean-up device in an embodiment of the present invention, comprising:
Spraying-rinsing system, it comprises liquid reserve tank, water-supply-pipe and washer pump; Wherein, one end of described water-supply-pipe is connected with described liquid reserve tank, and the other end of described water-supply-pipe is communicated to car plate place; Described washer pump is arranged on described water-supply-pipe place;
Car plate cleaning device kinematic scheme, it comprises cleaning device, motor, piston structure; One end of described piston structure is connected with described cleaning device, and the other end of described piston structure is connected with described motor, and described motor drives described cleaning device to move along the surface of described car plate by described piston structure.
In the various embodiments of the invention, preferably, described car plate clean-up device comprise two cover described spraying-rinsing systems and the described car plate cleaning device kinematic scheme of two covers, are respectively front car plate spraying-rinsing system, rear car plate spraying-rinsing system, front car plate cleaning device kinematic scheme, rear car plate cleaning device kinematic scheme;
The other end of the described water-supply-pipe of described front car plate spraying-rinsing system is communicated to front car plate place;
The other end of the described water-supply-pipe of described rear car plate spraying-rinsing system is communicated to rear car plate place;
Described front car plate cleaning device kinematic scheme is arranged on front car plate place;
Described rear car plate cleaning device kinematic scheme is arranged on rear car plate place.
In the various embodiments of the invention, preferably, the described liquid reserve tank of described front car plate spraying-rinsing system and the described liquid reserve tank of described rear car plate spraying-rinsing system become one.
In the various embodiments of the invention, preferably, the port that described water-supply-pipe is communicated to the one end at described car plate place is provided with nozzle.
In the various embodiments of the invention, preferably, described spraying-rinsing system comprises the first starting switch, and described car plate cleaning device kinematic scheme comprises described second starting switch.
In the various embodiments of the invention, preferably, described first starting switch and described second starting switch become one.
In the various embodiments of the invention, preferably, described piston structure comprises the first armed lever and the second armed lever, and one end of described first armed lever is connected with one end of described second armed lever by universal axle center;
The other end of described first armed lever is connected to described cleaning device;
The other end of described second armed lever is connected to the rotor of described motor;
Described first armed lever is connected with position limiting structure, and this position limiting structure moves in the radial direction thereof for limiting described first armed lever.
In the various embodiments of the invention, preferably, described position limiting structure is arranged on the end that described first armed lever is connected with described second armed lever;
And/or;
When the path of motion of described cleaning device is the short transverse along described car plate, the circle diameter of the path of motion of the rotor of described motor is equal with the height of described car plate, and the length of described cleaning device is equal with the length of described car plate;
And/or;
When the path of motion of described cleaning device is the length direction along described car plate, the circle diameter of the path of motion of the rotor of described motor is equal with the length of described car plate, and the height of described cleaning device is equal with the height of described car plate.
In the various embodiments of the invention, preferably, described position limiting structure comprises the pipe link be fixedly connected with described first armed lever and the first slide rail arranged along the axis of described first armed lever, described pipe link is arranged along the radial direction of described first armed lever, and described pipe link is arranged on described first slide rail inside, described pipe link carries out the slip of the axial direction along described first armed lever along described first slide rail;
Or;
Described position limiting structure comprises the coupling link be fixedly connected with described first armed lever and the second slide rail arranged along the axis of described first armed lever, the axis direction of described coupling link is parallel with the axis direction of described first armed lever, described second slide rail is cylindric slide rail, the axis direction of this second slide rail is parallel with the axis direction of described first armed lever, it is inner that described coupling link is arranged on described second slide rail, and described coupling link carries out the slip of the axial direction along described first armed lever along described second slide rail.
In the various embodiments of the invention, preferably, described car plate clean-up device also comprise:
Resetting structure, it is connected with described piston structure and drives described cleaning device to reset by described piston structure.
The car plate clean-up device of the above embodiment of the present invention, can bring following at least one beneficial effect:
1. can clean car plate.Car plate clean-up device provided by the invention comprise: spraying-rinsing system, and it comprises liquid reserve tank, water-supply-pipe and washer pump; Wherein, one end of described water-supply-pipe is connected with described liquid reserve tank, and the other end of described water-supply-pipe is communicated to car plate place; Described washer pump is arranged on described water-supply-pipe place; Car plate cleaning device kinematic scheme, it comprises cleaning device, motor, piston structure; One end of described piston structure is connected with described cleaning device, and the other end of described piston structure is connected with described motor, and described motor drives described cleaning device to move along the surface of described car plate by described piston structure.Spraying-rinsing system is used for after starting working, and to be extracted out by the water in liquid reserve tank and be delivered to the position to be cleaned of car plate from water-supply-pipe by washer pump, preferably, can the left and right sides of car plate or up and down both sides the port of water-supply-pipe is all set.When clean, motor provides power for cleaning device, and by piston structure, the circular movement of the rotor of motor is passed to cleaning device, and cleaning device is moved along the surface of car plate.Thus, automatically and in time cleaning car plate can be played.
2. all can clean front and back car plate.The car plate clean-up device that embodiments of the invention provide can arrange front car plate spraying-rinsing system, front car plate cleaning device kinematic scheme, rear car plate spraying-rinsing system, rear car plate cleaning device kinematic scheme for front car plate and rear car plate respectively, can clean front car plate and rear car plate respectively, clean more complete.
3. cleaning effect is remarkable, and does not grind festooned vehicle board.The car plate clean-up device that embodiments of the invention provide in use, when the path of motion of described cleaning device is the short transverse along described car plate, the circle diameter of the path of motion of the rotor of described motor is equal with the height of described car plate, and the length of described cleaning device is equal with the length of described car plate; When the path of motion of described cleaning device is the length direction along described car plate, the circle diameter of the path of motion of the rotor of described motor is equal with the length of described car plate, and the height of described cleaning device is equal with the height of described car plate.Because the size of the path of motion of the rotor of motor, the size of cleaning device all match with the size of car plate, so can clean each position of car plate, and not easily grind festooned vehicle board.
4. do not affect the harmony of whole vehicle body and attractive in appearance.Car plate clean-up device provided by the invention when mounted, can be installed on the concealed location of vehicle body, thus do not affect overall harmony and attractive in appearance.
Accompanying drawing explanation
Fig. 1 shows the structural representation of a kind of embodiment of spraying-rinsing system of the present invention;
Fig. 2 shows the structural representation of a kind of embodiment of car plate cleaning device kinematic scheme of the present invention;
Reference numeral is as follows:
1-liquid reserve tank; 2-washer pump; 3-water-supply-pipe; 4-T-pipe joint; 5-nozzle; 6-cleaning device; 7-first armed lever; 8-second armed lever; 9-rotor; The universal axle center of 10-; 11-pipe link; 12-first slide rail.
Detailed description of the invention
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
Embodiment one
In embodiments of the invention one, car plate clean-up device, comprising:
Spraying-rinsing system, it comprises liquid reserve tank, water-supply-pipe and washer pump; Wherein, one end of described water-supply-pipe is connected with described liquid reserve tank, and the other end of described water-supply-pipe is communicated to car plate place; Described washer pump is arranged on described water-supply-pipe place;
Car plate cleaning device kinematic scheme, it comprises cleaning device, motor, piston structure; One end of described piston structure is connected with described cleaning device, and the other end of described piston structure is connected with described motor, and described motor drives described cleaning device to move along the surface of described car plate by described piston structure.
Spraying-rinsing system of the present invention is used for water to cause car plate place.After starting working, by washer pump the water in liquid reserve tank extracted out and be delivered to the position to be cleaned of car plate from water-supply-pipe, preferably, can the left and right sides of car plate or up and down both sides the port of water-supply-pipe is all set.Upon actuation, the water that cleaning device is carried with spraying-rinsing system is combined car plate cleaning device kinematic scheme, cleans car plate.When clean, motor provides power for cleaning device, and by piston structure, the circular movement of the rotor of motor is passed to cleaning device, and cleaning device is moved along the surface of car plate.Thus, automatically and in time cleaning car plate can be played.
With reference to Fig. 1, spraying-rinsing system comprises liquid reserve tank 1, washer pump 2, water-supply-pipe 3, and wherein, one end of described water-supply-pipe 3 is connected with described liquid reserve tank 1, and the other end of described water-supply-pipe 3 is communicated to car plate place; Described washer pump 2 is arranged on described water-supply-pipe 3 place.Water is extracted out by power by washer pump from liquid reserve tank, and is delivered to car plate place by water-supply-pipe 3.In order to make water have impulse force when the other end of water-supply-pipe exports, preferably, nozzle 5 can be set at this end.More preferably, in order to each position making water can be sprayed onto car plate by nozzle, can preferably, other end water-supply-pipe being connected to car plate is divided into multiple son end, be such as two son ends, can refer to Fig. 1, by T-pipe joint 4, water-supply-pipe 3 is divided into two sub-water pipes, obtain two son ends, and respectively nozzle is set at the port of these two son ends, two nozzles are divided into the both sides up and down of car plate, or the left and right sides, thus effectively can ensure that water is sprayed onto each position of car plate.
With reference to Fig. 2, car plate cleaning device kinematic scheme comprises cleaning device 6, and this cleaning device (can be hairbrush or brushing piece) is driven by the power of motor (rotation of rotor) and moves.This cleaning device preferably, is arranged at the upside of car plate or downside or left side or right side, when non-starting state, can not blocks car plate like this during initial position; More preferably, cleaning device can be simple schistose texture, also can not block car plate.Piston structure is connected with cleaning device and motor respectively, for transmitting the power of motor to cleaning device, cleaning device is moved.
On the basis of embodiment one, preferably, because vehicle body is all provided with former and later two car plates substantially, and in order to realize cleaning while two car plates and cleaning automatically, also in order to make vehicle body and structure of the present invention more compact, car plate clean-up device can comprise two cover described spraying-rinsing systems and the described car plate cleaning device kinematic scheme of two covers, are respectively front car plate spraying-rinsing system, rear car plate spraying-rinsing system, front car plate cleaning device kinematic scheme, rear car plate cleaning device kinematic scheme; The other end of the described water-supply-pipe of described front car plate spraying-rinsing system is communicated to front car plate place; The other end of the described water-supply-pipe of described rear car plate spraying-rinsing system is communicated to rear car plate place; Described front car plate cleaning device kinematic scheme is arranged on front car plate place; Described rear car plate cleaning device kinematic scheme is arranged on rear car plate place.Two covers car plate clean-up device provided by the invention can be installed on vehicle body, a set of cleaning for front car plate, a set of cleaning for rear car plate.In use, one end of the water-supply-pipe of every covering device all should be arranged on car plate place; The cleaning device of every covering device also should be in car plate (front car plate, rear car plate) place to be cleaned.
When automobile being provided with two covers and carrying out for front car plate, rear car plate the car plate clean-up device cleaned respectively, can be preferably, the liquid reserve tank of the liquid reserve tank of front car plate spraying-rinsing system and rear car plate spraying-rinsing system is become one, like this can the structure of simplification device, make structure more simple, also can reduce costs.
On the basis of embodiment one, preferably, can be spraying-rinsing Operation system setting first starting switch, for car plate cleaning device kinematic scheme arranges the second starting switch.More flexible in order to use, two starting switches can be provided separately.Further, in order to realize overall integration and full-automation, can preferably, the first starting switch and the second starting switch be become one, like this when after startup main supply switch, spraying-rinsing system and car plate cleaning device kinematic scheme can be started working simultaneously.Further preferably, when automobile being provided with two covers and carrying out for front car plate, rear car plate the car plate clean-up device cleaned respectively, the spraying-rinsing system of two covering devices, car plate cleaning device kinematic scheme can be arranged starting switch respectively, also all starting switches of two covering devices can be integrated into a main supply switch, realize further automation.
On the basis of embodiment one, preferably, because car plate mostly is rectangle, in order to make car plate more clean cleanly, cleaning device 6 moves as preferably mode of motion along the short transverse of car plate or length direction.And common, the power multi-source of motor is in the rotation of rotor, and the piston structure of special construction can realize the straight-line motion circular movement of motor rotor being converted into cleaning device.Preferably, can refer to Fig. 2, described piston structure comprises the first armed lever 7 and the second armed lever 8, and one end of described first armed lever 7 is connected with one end of described second armed lever 8 by universal axle center 10; The other end of described first armed lever 7 is connected to described cleaning device 6; The other end of described second armed lever 8 is connected to the rotor 9 of described motor; Described first armed lever is connected with position limiting structure, and this position limiting structure moves in the radial direction thereof for limiting described first armed lever.When concrete motion, the rotor of motor moves in a circle on the circular path of the axis coplanar with the first armed lever, the rotor of motor pulls the other end of the second armed lever also to move in a circle when rotating, and pind down by the universal axle center that the axial direction only along the first armed lever moves due to one end of the second armed lever, and then make the second armed lever overall in the motion doing direction up and down.First armed lever is connected with the second armed lever by universal axle center, and moved by the second armed lever drive, but the position limiting structure being arranged on the first armed lever place limits the first armed lever and moves that (universal axle center is also due to limited structural limitations sense of motion in the radial direction thereof, make it can only move along the axial direction of the first armed lever), thus make the first armed lever be driven can only move along the axial direction of the first armed lever by the second armed lever.The other end of the first armed lever is fixedly connected with cleaning device again, first armed lever along driving cleaning device also to carry out the straight-line motion of the axis along the first armed lever during its axial motion, and then achieves the transmission from the circular movement of the rotor of motor to the straight-line motion of cleaning device.
In the specific implementation of above-mentioned position limiting structure, preferably, following position limiting structure can be selected.Such as, can refer to Fig. 2, described position limiting structure comprises the pipe link 11 be fixedly connected with described first armed lever 7 and the first slide rail 12 arranged along the axis of described first armed lever, described pipe link is arranged (i.e. the axis of this pipe link and the axial vertical of the first armed lever) along the radial direction of described first armed lever, and described pipe link is arranged on described first slide rail inside, described pipe link carries out the slip of the axial direction along described first armed lever along described first slide rail.Because the first armed lever is fixedly connected with pipe link, and pipe link can only be moved along the axis of the first armed lever, so the first armed lever also can only along its axial motion by the first slide rail restriction.Preferably, position limiting structure also realizes by following structure.Described position limiting structure comprises the coupling link be fixedly connected with described first armed lever and the second slide rail arranged along the axis of described first armed lever, the axis direction of described coupling link is parallel with the axis direction of described first armed lever, described second slide rail is cylindric slide rail, the axis direction of this second slide rail is parallel with the axis direction of described first armed lever, it is inner that described coupling link is arranged on described second slide rail, described coupling link carries out the slip of the axial direction along described first armed lever along described second slide rail, because the second slide rail limits the path of motion of coupling link, and coupling link is fixedly connected with the first armed lever, and both axial directions are parallel, and then, coupling link also limit the first armed lever and can only move along its axial direction.
Preferably, described position limiting structure is arranged on the end that described first armed lever is connected with described second armed lever, more stably can limit sense of motion and the path of motion of the first armed lever like this.
Preferably, when the path of motion of described cleaning device is short transverse (vertical direction) along described car plate, the circle diameter of the path of motion of the rotor of described motor is equal with the height of described car plate, because the circle diameter of the path of motion of the rotor of motor is equal with the path of motion length of cleaning device, effectively can ensure that the path of motion of cleaning device is equal with the height of car plate like this, make car plate by effective cleaning, clean scope covers the whole height of car plate completely, and do not exceed beyond car plate, in order to avoid wearing and tearing are caused to cleaning device.Simultaneously, the length of described cleaning device is equal with the length (length of horizontal direction) of described car plate, such cleaning device is when moving along the short transverse of car plate, the scope that its length covers can hide the length areas of car plate completely, make once to clean and just can realize cleaning to whole car plate, improve cleaning efficiency.
Preferably, when the path of motion of described cleaning device is the length direction along described car plate, the circle diameter of the path of motion of the rotor of described motor is equal with the length of described car plate, because the circle diameter of the path of motion of the rotor of motor is equal with the path of motion length of cleaning device, effectively can ensure that the path of motion of cleaning device is equal with the length of car plate like this, make car plate by effective cleaning, clean scope covers the whole length of car plate completely, and do not exceed beyond car plate, in order to avoid wearing and tearing are caused to cleaning device.Simultaneously, the length of described cleaning device is equal with the length of described car plate, and such cleaning device is when moving along the length direction of car plate, and its scope highly covered can hide the height region of car plate completely, make once to clean and just can realize cleaning to whole car plate, improve cleaning efficiency.
On the basis of above-described embodiment, preferably, car plate clean-up device of the present invention also comprise resetting structure, and it is connected with described piston structure and drives described cleaning device to reset by described piston structure.Reseting shrapnel can be set in the path of motion of motor, this reseting shrapnel is connected with piston structure by attaching parts, after pressing out-of-work switch, the rotor of motor is in the process be rotated further, owing to touching reseting shrapnel, can control plunger structure cleaning device be driven to move to initial position.By resetting structure, make car plate washing equipment of the present invention at any time cut-off switch time, cleaning device can rest on initial position, and does not block car plate.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (6)

1. car plate clean-up device, is characterized in that, comprising:
Spraying-rinsing system, it comprises liquid reserve tank, water-supply-pipe and washer pump; Wherein, one end of described water-supply-pipe is connected with described liquid reserve tank, and the other end of described water-supply-pipe is communicated to car plate place; Described washer pump is arranged on described water-supply-pipe place;
Car plate cleaning device kinematic scheme, it comprises cleaning device, motor, piston structure; One end of described piston structure is connected with described cleaning device, and the other end of described piston structure is connected with described motor, and described motor drives described cleaning device to move along the surface of described car plate by described piston structure;
Described piston structure comprises the first armed lever and the second armed lever, and one end of described first armed lever is connected with one end of described second armed lever by universal axle center;
The other end of described first armed lever is connected to described cleaning device;
The other end of described second armed lever is connected to the rotor of described motor;
Described first armed lever is connected with position limiting structure, and this position limiting structure moves in the radial direction thereof for limiting described first armed lever;
Described position limiting structure is arranged on the end that described first armed lever is connected with described second armed lever;
Described position limiting structure comprises the coupling link be fixedly connected with described first armed lever and the second slide rail arranged along the axis of described first armed lever, the axis direction of described coupling link is parallel with the axis direction of described first armed lever, described second slide rail is cylindric slide rail, the axis direction of this second slide rail is parallel with the axis direction of described first armed lever, it is inner that described coupling link is arranged on described second slide rail, and described coupling link carries out the slip of the axial direction along described first armed lever along described second slide rail;
Described car plate clean-up device also comprise resetting structure, and it is connected with described piston structure and drives described cleaning device to reset by described piston structure;
When the path of motion of described cleaning device is the short transverse along described car plate, the circle diameter of the path of motion of the rotor of described motor is equal with the height of described car plate, and the length of described cleaning device is equal with the length of described car plate;
Or,
When the path of motion of described cleaning device is the length direction along described car plate, the circle diameter of the path of motion of the rotor of described motor is equal with the length of described car plate, and the height of described cleaning device is equal with the height of described car plate.
2. car plate clean-up device according to claim 1, is characterized in that,
Comprise two cover described spraying-rinsing systems and the described car plate cleaning device kinematic scheme of two covers, be respectively front car plate spraying-rinsing system, rear car plate spraying-rinsing system, front car plate cleaning device kinematic scheme, rear car plate cleaning device kinematic scheme;
The other end of the described water-supply-pipe of described front car plate spraying-rinsing system is communicated to front car plate place;
The other end of the described water-supply-pipe of described rear car plate spraying-rinsing system is communicated to rear car plate place;
Described front car plate cleaning device kinematic scheme is arranged on front car plate place;
Described rear car plate cleaning device kinematic scheme is arranged on rear car plate place.
3. car plate clean-up device according to claim 2, is characterized in that,
The described liquid reserve tank of described front car plate spraying-rinsing system and the described liquid reserve tank of described rear car plate spraying-rinsing system become one.
4. car plate clean-up device according to claim 1, is characterized in that,
The port that described water-supply-pipe is communicated to the one end at described car plate place is provided with nozzle.
5. car plate clean-up device according to claim 1, is characterized in that,
Described spraying-rinsing system comprises the first starting switch, and described car plate cleaning device kinematic scheme comprises the second starting switch.
6. car plate clean-up device according to claim 5, is characterized in that,
Described first starting switch and described second starting switch become one.
CN201310088848.XA 2013-03-19 2013-03-19 License plate cleaning device Active CN103183012B (en)

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CN103183012B true CN103183012B (en) 2015-06-24

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103440770A (en) * 2013-08-14 2013-12-11 杨伟 License plate sheltering automatic detecting device
CN103456174A (en) * 2013-08-16 2013-12-18 杨伟 System for preventing license plate from being blocked

Citations (8)

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Publication number Priority date Publication date Assignee Title
DE628870C (en) * 1936-04-17 Alfred Wolters Wiper device for license plates of motor vehicles
US6115875A (en) * 1998-07-16 2000-09-12 Klaisner; Richard Rear view mirror wiper
GB2414105A (en) * 2004-05-11 2005-11-16 Christopher Derek Burrowes Number plate cleaner / washer.
DE102004029080A1 (en) * 2004-06-16 2006-02-02 Küster Automotive Door Systems GmbH Wiper apparatus for window of rear door of motor vehicle, has guide rail and drive motor outside rear door region, and wiper arm which moves to rest position enabling rear door to be opened
CN102114828A (en) * 2010-05-25 2011-07-06 浙江吉利汽车研究院有限公司 Front windshield wiper of automobile
CN201951424U (en) * 2011-01-18 2011-08-31 天津工业大学 Motor vehicle license plate cleaner
CN202783123U (en) * 2012-07-10 2013-03-13 长沙市比亚迪汽车有限公司 License plate washing device
CN203126794U (en) * 2013-03-19 2013-08-14 陶晓东 License plate cleaning device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE628870C (en) * 1936-04-17 Alfred Wolters Wiper device for license plates of motor vehicles
US6115875A (en) * 1998-07-16 2000-09-12 Klaisner; Richard Rear view mirror wiper
GB2414105A (en) * 2004-05-11 2005-11-16 Christopher Derek Burrowes Number plate cleaner / washer.
DE102004029080A1 (en) * 2004-06-16 2006-02-02 Küster Automotive Door Systems GmbH Wiper apparatus for window of rear door of motor vehicle, has guide rail and drive motor outside rear door region, and wiper arm which moves to rest position enabling rear door to be opened
CN102114828A (en) * 2010-05-25 2011-07-06 浙江吉利汽车研究院有限公司 Front windshield wiper of automobile
CN201951424U (en) * 2011-01-18 2011-08-31 天津工业大学 Motor vehicle license plate cleaner
CN202783123U (en) * 2012-07-10 2013-03-13 长沙市比亚迪汽车有限公司 License plate washing device
CN203126794U (en) * 2013-03-19 2013-08-14 陶晓东 License plate cleaning device

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