EP2191758A1 - Ferngesteuerte Vorrichtung zum Reinigen der äußeren Fensterflächen von Hochhäusern und Gebäudefassaden - Google Patents

Ferngesteuerte Vorrichtung zum Reinigen der äußeren Fensterflächen von Hochhäusern und Gebäudefassaden Download PDF

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Publication number
EP2191758A1
EP2191758A1 EP08170035A EP08170035A EP2191758A1 EP 2191758 A1 EP2191758 A1 EP 2191758A1 EP 08170035 A EP08170035 A EP 08170035A EP 08170035 A EP08170035 A EP 08170035A EP 2191758 A1 EP2191758 A1 EP 2191758A1
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EP
European Patent Office
Prior art keywords
frame
cleaning
sub
insertion tool
cleaned
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.)
Withdrawn
Application number
EP08170035A
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English (en)
French (fr)
Inventor
Daniel J. Gorman
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to EP08170035A priority Critical patent/EP2191758A1/de
Publication of EP2191758A1 publication Critical patent/EP2191758A1/de
Withdrawn legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L1/00—Cleaning windows
    • A47L1/02—Power-driven machines or devices
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/002—Arrangements for cleaning building facades

Definitions

  • This invention relates to a remotely operated high rise building window and façade cleaning apparatus, and in particular to a remotely operated window glaze cleaning apparatus.
  • the conventional method for cleaning the outer glazed surfaces of sealed windows of high rise buildings is by means of a manual operation by workers in a swing stage (sometimes referred to as a cradle or balcony) which the workers can raise or lower along the side of the building to a position opposite the window glaze to be cleaned.
  • the conventional cleaning method involves two steps. First, the glazed surface is brushed or scrubbed with a cleaning brush soaked in cleaning fluid. This step is followed by a squeegeeing or scraping operation in which the workers, using a plastic or rubber blade (squeegee) scrape all excess liquid from the glaze surface leaving it in a streak free pristine condition. In the case of buildings of intermediate height the same cleaning operation is sometimes performed by workers lowered over the side of the building in bosun chairs. Both methods of cleaning outer glazed surfaces are expensive and constitute one of the most dangerous occupations in industry.
  • a disadvantage of at least some known automatic window washers is that they can satisfactorily clean a window only while moving in one direction ie. either only while moving upwardly or only while moving downwardly. This results in time being wasted waiting for the apparatus to be repeatedly retracted to its starting position
  • a second disadvantage is that they require a relatively large amount of washing liquid to clean a given window area. Because these devices generally spray the washing liquid directly on the window surface and because the scrubber brushes and removal means are generally not positioned in proximity to the location at which the washing liquid is sprayed on the window surface, a large amount of washing liquid is needed to adequately and uniformly wet the surface to be cleaned and to keep the dirt particles in suspension in the washing liquid for a sufficient length of time to enable the removal means to collect it.
  • This earlier device comprises a cleaning head which is to be lowered from the building roof by cable while guided horizontally by a pair of adjacent vertical mullions of the building wall. Cleaning fluid is dripped onto horizontal roller brushes which are oscillated axially while dragged along the surface to be cleaned. Plastic horizontal squeegee blades follow the rollers and their function is to scrape off excess cleaning fluid which is eventually removed by a vacuum suction system. At the end of the up or down travel the head has to be repositioned between the next pair of adjacent mullions before the cleaning process can be continued. Also, the cleaning head is designed for one window width, only, as it must be dragged or lowered vertically between pairs of adjacent mullions.
  • the present invention does not depend on the existence of exposed vertical mullions on the wall of the building. Furthermore it does not require the installation of any tracks or rails on the building wall as many proposed devices do (eg. See also U. S. Patent 7,007,334 B2 ).
  • a remotely operated high rise building window glaze or building façade cleaning apparatus comprising a rigid master frame locatable in a stable position in front of a defined surface to be cleaned, a sub-frame tiltable within the master frame away from the defined surface, a rotatable insertion tool means adapted to receive a cleaning tool for engagement with the defined surface, the insertion tool being mounted on the sub-frame such that as the sub-frame tilts, the sub-frame provides a reaction force urging the insertion tool toward the surface to be cleaned and the axis of the insertion tool remains at a predetermined angle with respect to the surface to be cleaned, drive means for controllably displacing the insertion tool relative to the sub-frame in a translational motion over the surface to be cleaned, and remote control means for remotely controlling the apparatus to effect translational and rotational motion of the insertion tool.
  • the cleaning apparatus is lowered from the building roof and operated by remote control, e.g. with the aid of closed circuit television.
  • the cleaning apparatus is lowered from the building roof and temporarily parked opposite the window glaze to be cleaned.
  • the cleaning operation mimics the conventional manual process used for cleaning low level easily accessible windows. This means that a minimum amount of cleaning fluid is applied and the problem of disposing of excess fluid by suction, or other means, is avoided.
  • the first cleaning operation that of wetting the window with a washing liquid and scrubbing the window outer glaze surface, is performed in a manner identical to that performed manually by workers outside the window. It makes no difference whether or not the window is recessed from the building outer wall surface.
  • the scrubbing operation is followed by a scraping operation, again, in a manner identical to that carried out conventionally by workers located outside the window.
  • the cleaning tools e.g. brush and squeegee
  • the cleaning tools are caused to undergo any desired planar motion in the plane of the window, and are rotated as required to work into corners and change cleaning direction.
  • the angle of attack between the squeegee blade and the surface to be cleaned remains substantially constant at the desired setting.
  • brushes and squeegees of any convenient design or length may be utilized.
  • the squeegee may include replaceable scraping blades and the brush may include a replaceable brush head. They are guided over the entire glaze surface regardless of its geometry, rectangular or otherwise, just as they are in the manual cleaning of low level easily accessible windows. No remote controlled apparatus on the market today has these unique features.
  • a remotely operated high rise building window glaze or building façade cleaning apparatus comprising a rigid master frame of three-dimensional open-cage rectangular shape, for in operation being placed in a position opposite and adjacent to a surface to be cleaned, an open-cage sub-frame of similar geometry and smaller dimensions, suspended within the master frame in spaced relationship therefrom, a cylindrical insertion tool attached to the sub-frame, such that its axis remains always perpendicular to the surface to be cleaned, including activation means therefrom, cleaning tools attached to the insertion tool, including washing liquid spray means, mechanical scrubbing means and mechanical scraping means, wherein the mechanical scrubbing means and mechanical scraping means are rotatable and moveable in any desired planar motion in the plane of the surface to be cleaned, and remote control means for remotely operating the apparatus, such that in operation, the liquid spray means, mechanical scrubbing means and mechanical scraping means are sequentially brought to bear against the surface to be cleaned by said activation means.
  • a remotely operated high rise building window glaze or building façade, cleaning apparatus comprising, a rigid master frame of three-dimensional open-cage rectangular shape, adapted to be vertically lowered or raised by means of a suspension cable to and from a cleaning position opposite the window glaze or building façade to be cleaned, wherein the open-cage master frame is defined by horizontally disposed upper and lower members joined at respective upper and lower corners by vertically disposed members, and including building wall contact means attached to the inside lower corners to maintain positioning of the master frame in a stationary position during the cleaning operation, an open-cage sub-frame of similar geometry and of smaller dimensions suspended within the master frame in spaced relationship therefrom, wherein the open-cage sub-frame is defined by horizontally disposed upper and lower base members pivotably joined at respective upper and lower corners by vertically disposed members e.g.
  • a chain-sprocket drive the first drive system being so designed that the main frame always travels in a vertical plane, though this plane of travel will be moved horizontally outward from the building facade as the base of the sub-frame pivots outward, a carrier frame slideable horizontally along the main frame by means of linear bearings fitted on the horizontal rails of the main frame, such that horizontal motion of the carrier frame is effected by means of a second drive system e.g.
  • the apparatus additionally comprises a pair of coil springs mounted horizontally on the upper members of the master frame connected to a pair of cables, wherein the cables pass over pulleys and downward where they are connected to the main frame,
  • the mechanical scrubbing means e.g. a brush or a sponge
  • mechanical scraping means e.g. a squeegee
  • the master frame is moved up and down by a cable e.g. by a single cable suspended from a single roof-mounted boom, or by a pair of cables suspended from a pair of roof-mounted booms, its movement being controlled by the remote control means.
  • a cable e.g. by a single cable suspended from a single roof-mounted boom, or by a pair of cables suspended from a pair of roof-mounted booms, its movement being controlled by the remote control means.
  • the wall contact means is in the form of pads, to provide intimate sustained contact with the building wall, such that the resulting friction forces maintain the master frame in a steady position during the cleaning operation.
  • the pads could be replaced by wheel assemblies.
  • cantilevered counter weights may be attached to the master frame lower extremities, to increase the pad/building wall interaction forces to further promote steadiness.
  • wheel assemblies the same cantilevered counter weights may be employed to increase the wheel assembly/building wall interaction forces
  • the pair of cables suspended from the pair of coil springs serve to stretch the springs and exert a vertical lifting force on the main frame substantially sufficient to neutralize the gravitational forces acting on the main frame when it is half way through its vertical travel, thus permitting substantially full vertical travel of the main frame to be effected with a minimum of force from the vertical travel drive chain system.
  • the remote control means includes a set of remote station controls for activating two-way electric motors driving the first and second sprocket-chain drives, pressurizing or venting the insertion tool activation means e.g. an air cylinder, activating the liquid spray pump motor, and causing rotation of a two-way electric motor mounted on the insertion tool which provides for rotation of the brush and squeegee.
  • the insertion tool activation means e.g. an air cylinder
  • activating the liquid spray pump motor e.g. an air cylinder
  • a two-way electric motor mounted on the insertion tool which provides for rotation of the brush and squeegee.
  • a brush or squeegee may be mounted on the same insertion tool, in a typical embodiment, two insertion tools, one above the other, or one beside the other, are employed, one carrying a brush and the other carrying a squeegee. It will also be appreciated that the liquid spray means and the mechanical scrubbing means may be mounted on the same insertion tool.
  • the liquid spray means includes a reservoir for washing liquid and a liquid spray pump associated therewith.
  • the cleaning operation is monitored by a conventional closed circuit television system with cameras mounted as desired on the carrier frame and the master frame.
  • a television receiver is provided at the remote control station to permit the operator to monitor and control the cleaning process.
  • the remotely operated building window, or facade cleaning apparatus As seen in figure 1A , the remotely operated building window, or facade cleaning apparatus according to the invention generally shown as 1, is adapted to be suspended from the rooftop of a building 2 by a boom means 3 or the like mounted on the rooftop, by a cable 4 .
  • a primary cable 4 is attached to a gathering block 4a, and four secondary cables 4b connect the gathering block 4a to the four upper corners of a master frame 5 .
  • FIG 1B an alternative suspension system is illustrated, wherein a pair of booms 3 are employed.
  • a pair of primary cables 4, a pair of gathering blocks 4a and secondary cables 4b connect the gathering blocks 4a to the four upper corners of a master frame 5 .
  • the apparatus according to the invention may be used to clean windows that are flush or indented from the building facade or the building wall façade itself and the like.
  • the boom means 3 can be adapted to travel along the rooftop eg. on a track (not shown) adjacent to the building wall to facilitate full coverage of the building wall facade.
  • Remote control of the operation of the apparatus according to the invention may be provided by a conventional remote control means(not shown) located in a vehicle, such as a truck 6 shown in figures 1A and 1B , parked on the ground adjacent to the building. It will be appreciated that the remote location of the control means can be in any convenient location either on the ground, on the roof top or in the building.
  • a light electric cable 6a is used to provide electricity at domestic voltages to the apparatus.
  • the electric power required to drive the electric motors etc is provided by batteries e.g. rechargeable batteries carried on the master frame 5.
  • remote control signals may be transmitted to the apparatus by an electric cable, or they may be transmitted by means of a conventional wireless system.
  • the novel apparatus includes a rigid master frame 5 of three dimensional open-cage rectangular shape for in operation being placed in a position opposite and adjacent to the outer glazed surface 9 of a window to be cleaned.
  • the master frame 5 makes intimate and sustained contact with the building wall 7, by a wall contact means.
  • a pair of sliding pads or shoes 5a mounted on the lower corners of the master frame 5.
  • Other contact means such as wheels could also be used.
  • Counter weights 8, also shown in figure 2 and 3 are employed in some embodiments, to provide additional friction forces between the shoes 5a and the building wall 7, so that motion of the master frame is avoided during the cleaning operation.
  • a thin plastic sheet material may be attached to the shoes in order to increase tangential friction forces between the shoes 5a, and the wall 7.
  • the master frame is defined by horizontally disposed upper and lower members 5b joined at respective upper and lower corners 5c by vertically disposed members 5d(see figure 1C ), wherein the members are made of hollow-square cross-section aluminum bars welded together.
  • the novel apparatus includes also a parallelogram sub-frame 13 of three dimensional open cage parallelogram shape for in operation being suspended inside the master frame by means of pinned joints 11 connecting with cross bars 11 a of the master frame ( figures 4 and 5 ).
  • the upper pairs of horizontal bars 10 of the parallelogram frame 13, and vertical bars 12 connecting the lower horizontal pairs of bars 14 are of hollow-square cross-section aluminum welded together.
  • Four vertical bars 15 of circular cross-section are connected by rigid clamps 17( figure 5 ), to the upper and lower pairs of horizontal bars ( figures 4 and 5 ).
  • the vertical bars 15, may be of hollow steel cross-section.
  • Short horizontal bars 18, are pin connected to the lower pairs of horizontal bars, at each end of the frame. It will be apparent that with the base of the frame 13a caused to move outward from the building wall 7, the side elevation of the frame will take on a parallelogram configuration ( figure 17B ).
  • Figures 6 and 7 provide front and end views, respectively, of the assembled master and parallelogram frames.
  • Figure 8 provides a front view of a vertically travelling two-dimensional rectangular main frame 16.
  • the main frame 16 is defined by two horizontal circular rails 31 rigidly attached at each end by means of clamps 17a, to rectangular end frames 27.
  • the horizontal motion of the carrier frame 29 is effected by a chain drive system 37, powered by a remote controlled two directional electric motor 35, resting on a motor support bracket 36 attached at each end to the main frame 16.
  • Cross-member 45, of the carrier frame 29, provides a base for mounting the insertion tool 64(see figure 13 ) and window cleaning tools.
  • the main frame 16 is attached at each end to vertically sliding end assemblies 22( figure 9 ), which are caused to slide along the vertical circular bars 15, of the parallelogram sub-frame.
  • Figure 9 provides a view of the vertically sliding end assemblies 22.
  • Two vertical bars 21, are fitted at each extremity with linear bearings 19, which slide along pairs of adjacent vertical circular bars 15, at each end of the parallelogram sub-frame.
  • Each end assembly 22 is fitted with a linkage bar 23, which is pin connected to the mid-points of the vertical bars 21.
  • a thin plate, approximately diamond in shape, 25, is welded or otherwise rigidly attached to the linkage bar 23.
  • Figure 10 provides a view along V-V of figure 9 . When the main frame of figure 8 is fully assembled, one vertically sliding end assembly 22 ( figure 9 ) is rigidly attached to each end frame 27, of the main frame, along the central vertical axis of the diamond shaped plate. An edge view of the diamond shaped plates 25, is seen in figure 8 .
  • Figure 11 presents an end view of the assembled window cleaner apparatus with the vertical chain drive system in place.
  • the extremities of the chain loops of the figure are attached to the ends of the vertical sliding bars 21 of the vertical sliding end assemblies 22 ( figure 9 ).
  • Figure 12 is a plan view of an electric motor and shaft arrangement used to power the vertical chain drive system of figure 11 . It is located above the master frame and attached to it. It is driven by a two-way remote controlled electric motor 93.
  • FIG. 13 A plan section view of an air operated cylindrical insertion tool 64 for mounting on the insertion tool carrier frame 29 of figure 8 is presented in figure 13 . It is shown with the attachment for squeegeeing 61, in place. It comprises a horizontal cylinder 63, with a thin hollow circular tube 65, passing along its axis. A short piston 67, is fixed to the hollow tube 65, and slides with an air seal contacting the inner surface of the cylinder 63, with air seals also located between the hollow tube 65, and the end caps of the horizontal cylinder 63. The cylinder is thereby divided into two phneumatic chambers A and B ( figure 13 ).
  • Pressurizing chamber A and venting chamber B causes the thin hollow tube 65, to advance toward the glaze surface 9 ( figure 3 ) in preparation for the window cleaning operation. Pressurizing chamber B and venting chamber A permits withdrawal of the tube 65.
  • An extension tube 69 is attached to one end of the horizontal cylinder 63.
  • a narrow open slot runs along the upper surface of the extension tube.
  • a set screw 71 passes through this slot and serves to lock an annular ring 73, against the hollow tube 65.
  • the set screw 73 is free to slide back and forth along the slot while preventing rotation of the hollow tube 65. It may be so located as to limit the insertion depth to which the thin tube 65, can travel, if desired.
  • a circular cylindrical rod 75 passes along the axis of the thin tube 65.
  • a squeegee 61 is shown attached to the outer end of this rod ( figure 13 ).
  • the rod 75 is supported by a bearing 77, which in turn is attached to the thin tube 65.
  • a coupling 79 connects the rod 75, to a small remote controlled two-way electric motor 81, which permits rotation of the squeegee in either direction as desired.
  • the electric motor is supported by a motor mounting clip 83, attached to a circular ring 85, the ring being rigidly attached to the thin tube 65.
  • a window glaze brush with window washing fluid spray attached is shown in figure 15 .
  • This brushing device may be attached to the solid bar 75, of the insertion tool of figure 13 instead of the squeegee 61.
  • the window glaze will first be scrubbed with the brush and spray facility. Following this operation the glaze will be squeegeed with the squeegeeing tool 61.
  • two insertion tools ( figure 13 ) are mounted on the carrier frame base 45, of figure 8 . They will either be mounted one-above-the-other, or side-by-side.
  • One insertion tool will be fitted with the squeegee device and the other with the spray and brush attachment ( figure 15 ). Each tool will be employed in turn as required, the one not in use being withdrawn to avoid interference with operation of the other.
  • the squeegee 61, ( figure 13 ) may be fitted with an elastic buffer segment 62, ( figure 14 ), if desired, to add flexibility to the squeegee tool.
  • FIG 17A A section view taken through the remote operated window cleaning apparatus with the insertion tool and attached squeegee tool ( figure 13 ) mounted on the carrier frame 29, is provided in figure 17A .
  • the carrier frame rides along the circular bars 31 of the main frame ( figure 8 ).
  • Figure 17A the blade of the squeegee tool 61 has been inserted and brought to bear on the window glaze surface 9.
  • Figure 17B shows the same apparatus after further inward insertion action (exaggerated here for illustrative purposes). It is seen that as a result of this further insertion action the base 13a of the sub-frame ( figure 5 ) is caused to pivot outward from the building wall forming a parallelogram shape and thereby increasing the reaction force of the squeegee blade on the glaze surface.
  • This reaction increase is a result of gravitational forces acting on the sub-frame, the main frame, and the insertion tool.
  • the reaction force can be adjusted to the desired level by controlling the degree of insertion imposed by the insertion tool.
  • the required insertion can be reduced by employing counter weights 8 ( figures 2 and 3 ) cantilevered outward from the base of the parallelogram frame.
  • the axis of the insertion tool will always remain perpendicular to the glaze surface 9, regardless of the degree of insertion effected by the insertion tool.
  • the angle of contact between the squeegee blade ( figure 17A ) and the glaze surface will remain unchanged throughout the window cleaning operation. Rotation of the squeegee is achievable because of the maintained perpendicularity between the axis of the insertion tool and the glaze surface.
  • a vertical lift elastic spring system mounted along the top of the master frame 5, is shown in figure 18 . It comprises two horizontal coil springs 101, each anchored at one end to an outer edge of the frame, and with a small cable pulley 103, attached to the other end.
  • Light cables 99, ( figure 9 ) are also attached to the upper master frame at positions adjacent to the coil spring attachments. Each cable is threaded through the coil spring pulley 103, at the opposite edge of the frame and then passes back and through another pulley 105, attached to the master frame ( figure 18 ) before descending immediately for attachment to the top of the diamond shaped plates ( figure 9 ).
  • These coil spring-cable systems function like similar systems found in conjunction with garage door opener assist systems.
  • Figure 19 presents a schematic view of a closed circuit television camera 107, mounted on a bracket attached to the insertion tool carrier frame 29, ( figure 8 ), thus permitting immediate monitoring by the operator of the action of the brushing and squeegeeing tools on the glazed surface.
  • another wide angle lens camera may be attached to the master frame to provide the operator at the remote control station with a global view of the entire window glaze cleaning operation.
  • control means would include a conventional console with appropriate controls.
  • the console includes a commercially available joystick for controlling the electric motors and thus the planar motion of the cleaning tools(brush and squeegee).
  • the same joystick has a rotatable handle which permits simultaneous rotation of the brush and/or the squeegee in either direction as desired.
  • Conventional switches such a s simple toggle switches mounted on the console mounted on the console permit activation of the washing liquid spray pump and activation of the insertion tool for insertion or withdrawal of the cleaning tools to and from the plane of the surface to be cleaned.
  • Other switches provide for vertical or horizontal movement of the apparatus to and from a position opposite the surface to be cleaned.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
EP08170035A 2008-11-26 2008-11-26 Ferngesteuerte Vorrichtung zum Reinigen der äußeren Fensterflächen von Hochhäusern und Gebäudefassaden Withdrawn EP2191758A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08170035A EP2191758A1 (de) 2008-11-26 2008-11-26 Ferngesteuerte Vorrichtung zum Reinigen der äußeren Fensterflächen von Hochhäusern und Gebäudefassaden

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08170035A EP2191758A1 (de) 2008-11-26 2008-11-26 Ferngesteuerte Vorrichtung zum Reinigen der äußeren Fensterflächen von Hochhäusern und Gebäudefassaden

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EP2191758A1 true EP2191758A1 (de) 2010-06-02

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EP08170035A Withdrawn EP2191758A1 (de) 2008-11-26 2008-11-26 Ferngesteuerte Vorrichtung zum Reinigen der äußeren Fensterflächen von Hochhäusern und Gebäudefassaden

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103876680A (zh) * 2013-07-08 2014-06-25 程亮然 蜘蛛机器人
CN108670113A (zh) * 2018-07-26 2018-10-19 江苏广源幕墙工程有限公司 一种便于拆装的幕墙清洁装置
CN109744935A (zh) * 2017-11-06 2019-05-14 天津晖瑝科技有限公司 一种建筑幕墙工程除尘装置
CN110623587A (zh) * 2019-03-07 2019-12-31 檀俊坤 一种全方位擦窗机器人
CN111395791A (zh) * 2020-04-17 2020-07-10 中国建筑第二工程局有限公司 一种用于墙面阴角处墙皮清理装置及其使用方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025984A (en) 1971-04-02 1977-05-31 H. H. Robertson Company Window wall washing device for high rise buildings
US4198724A (en) 1978-07-03 1980-04-22 Spider Staging, Inc. Automatic window washer
EP0271454A2 (de) * 1986-11-14 1988-06-15 Alan S.R.L. Vorrichtung zur Reinigung von Aussenwänden von Gebäuden, insbesondere von Aussenwänden mit grossen Glasflächen
US4955924A (en) * 1988-06-14 1990-09-11 Gorman Daniel J Window glaze cleaning
KR20030035069A (ko) * 2001-10-30 2003-05-09 (주)이도전자 고층 유리청소기
US7007334B2 (en) 1999-12-16 2006-03-07 Julius Thurnher Cleaning device for the surface of a facade

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025984A (en) 1971-04-02 1977-05-31 H. H. Robertson Company Window wall washing device for high rise buildings
US4198724A (en) 1978-07-03 1980-04-22 Spider Staging, Inc. Automatic window washer
EP0271454A2 (de) * 1986-11-14 1988-06-15 Alan S.R.L. Vorrichtung zur Reinigung von Aussenwänden von Gebäuden, insbesondere von Aussenwänden mit grossen Glasflächen
US4955924A (en) * 1988-06-14 1990-09-11 Gorman Daniel J Window glaze cleaning
US7007334B2 (en) 1999-12-16 2006-03-07 Julius Thurnher Cleaning device for the surface of a facade
KR20030035069A (ko) * 2001-10-30 2003-05-09 (주)이도전자 고층 유리청소기

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103876680A (zh) * 2013-07-08 2014-06-25 程亮然 蜘蛛机器人
CN103876680B (zh) * 2013-07-08 2016-04-06 程亮然 蜘蛛机器人
CN109744935A (zh) * 2017-11-06 2019-05-14 天津晖瑝科技有限公司 一种建筑幕墙工程除尘装置
CN108670113A (zh) * 2018-07-26 2018-10-19 江苏广源幕墙工程有限公司 一种便于拆装的幕墙清洁装置
CN110623587A (zh) * 2019-03-07 2019-12-31 檀俊坤 一种全方位擦窗机器人
CN110623587B (zh) * 2019-03-07 2021-04-30 檀俊坤 一种全方位擦窗机器人
CN111395791A (zh) * 2020-04-17 2020-07-10 中国建筑第二工程局有限公司 一种用于墙面阴角处墙皮清理装置及其使用方法
CN111395791B (zh) * 2020-04-17 2024-03-26 中国建筑第二工程局有限公司 一种用于墙面阴角处墙皮清理装置及其使用方法

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