WO2001072196A2 - Rolltreppen- und fahrsteig-reinigungsgerät - Google Patents
Rolltreppen- und fahrsteig-reinigungsgerät Download PDFInfo
- Publication number
- WO2001072196A2 WO2001072196A2 PCT/EP2001/003612 EP0103612W WO0172196A2 WO 2001072196 A2 WO2001072196 A2 WO 2001072196A2 EP 0103612 W EP0103612 W EP 0103612W WO 0172196 A2 WO0172196 A2 WO 0172196A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cleaning
- cleaning device
- strip
- suction
- cleaning head
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B31/00—Accessories for escalators, or moving walkways, e.g. for sterilising or cleaning
- B66B31/003—Accessories for escalators, or moving walkways, e.g. for sterilising or cleaning for cleaning steps or pallets
-
- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/02—Floor surfacing or polishing machines
- A47L11/20—Floor surfacing or polishing machines combined with vacuum cleaning devices
-
- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/28—Floor-scrubbing machines, motor-driven
- A47L11/282—Floor-scrubbing machines, motor-driven having rotary tools
-
- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4075—Handles; levers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
- A47L5/30—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with driven dust-loosening tools, e.g. rotating brushes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
Definitions
- the invention relates to an escalator and moving walk cleaning device according to the preamble of claim 1.
- Moving walks are often used at airports to transport passengers over longer distances in the plane or slightly increasing from one floor to the next.
- the escalators as well as the moving walks from different manufacturers are characterized by different web and groove widths, whereby the dirt naturally accumulates in the grooves of the ribbed moving floor panels.
- the groove depths are also different sizes for different manufacturers.
- a cleaning device for escalators and moving walks has already been proposed, which is moved in particular in the case of an escalator to the start or end area, at which the moving escalator elements still run out horizontally.
- the device remains stationary in this situation, so it is still supported on the floor in front of the actual escalator, whereby the escalator moving under it is cleaned by means of the cleaning and processing head.
- adapter strips must be replaced that have protruding fingers that are adapted to the groove and web width or groove depth of the escalator elements of the manufacturer in question. Because during the cleaning process, the engagement of such elements in the grooves of the escalator elements must ensure that a corresponding negative pressure is generated during suction in order to actually be able to suck the dirt out of the grooves and grooves.
- the object of the present invention is to provide an improved escalator and moving walkway cleaning device.
- the cleaning device according to the invention has numerous surprising features that are completely new compared to the prior art, which on their own, but above all in combination, result in significant improvements during the cleaning process.
- the cleaning device according to the invention is distinguished on the one hand by the fact that it has a support foot which is offset from the cleaning head, so that the cleaning head of the cleaning device can be raised or lowered by applying pressure to a handle via this support foot.
- the cleaning device according to the invention is designed in such a way that it can "walk” from step to step on an escalator.
- the cleaning device is also distinguished by a special strip brush, which makes it possible to generate a sealing function on the escalator or moving walk elements, regardless of the manufacturer-specific profile, in order to maintain a defined suction flow.
- the cleaning device in an alternative and / or supplementary embodiment of the invention, not only the horizontal standing surfaces of the escalator elements, but also the substantially vertically oriented end faces ten of the escalator elements can also be cleaned up to the next step.
- the cleaning head can be rotated through 180 ', as a result of which the suction strip and the strip brushes according to the invention provided come to rest on the other side in relation to the rotating cleaning elements. This enables an optimal suction and cleaning effect to be achieved.
- the suction nozzle and cover of the rotating roller brush are designed in such a way that, regardless of step heights or length of the tread surface or the essentially vertically extending end face of a step, they always adapt exactly.
- the cleaning device is a hand-held device for cleaning escalators and moving walks.
- a so-called tiller pushes itself over a support with rollers on the treads of the objects to be cleaned in order to enable a rocking movement.
- a handlebar unit At the upper end there is a handlebar unit that is adjustable in height and angle, from which guiding the unit, the metering of the steam supply and the switching of the drive motor.
- At the end resting on the floor there are two rotating roller brushes on a shaft which, with the addition of steam, conveys the dirt from the grooves of the steps to the nozzles lying behind the roller brushes in the direction of rotation.
- the direction of rotation of the roller brushes is selected in such a way that the loosened dirt is transported away from the sensitive open edge (which results in escalators between the individual movable steps).
- the dirt is sucked through a hose into a "steam suction cleaner" via these nozzles.
- the unit mounted on a central tube can be swiveled by 180 "so that it is ready for use for the" end faces “of the stairs.
- the dirt there is again the need for the dirt not to get into the open edges.
- the cleaning device After connecting the cleaning device according to the invention to the mains voltage, plugging in the steam supply and exhaust air hose, the cleaning device is simply moved from below onto the standing escalator, where the first stage is tackled.
- the roller brushes are placed close to the side walls, switched on and cleaning is carried out by pulling the unit back and forth.
- rollers In addition to the small rollers attached in the longitudinal direction of the machine, there are also rollers for lateral movement. By tilting the cleaning device backwards, they come into engagement and the unit can thus be moved laterally to treat the surfaces that have not yet been cleaned.
- the cleaning device is now pivoted far down on the steering unit and pushed forward in order to advance to the next level and continue cleaning. Climbing will be limited after approx. 12-15 steps, as the hose and cable lengths determine the radius of action.
- the entire cleaning head is now swiveled by 180 'with a lever that can be reached from the steering unit, in order to then "descend" step by step.
- the escalator is now moved around the cleaned area so that the next 12 - 15 steps can be reached.
- FIG. 1 a schematic side view of the cleaning device according to the invention
- Figure 2 an enlarged partial side view of the cleaning device according to the invention (with the same modifications compared to the embodiment of Figure 1);
- Figure 3 is a front view of the cleaning device according to the invention.
- Figure 4 an enlarged detail view of the
- Figure 5 is a schematic perspective view of the cleaning head
- FIG. 6 a side view of the cleaning device according to the invention when working on an escalator while cleaning the tread surface of an escalator element;
- FIG. 7 a corresponding representation at the beginning of the cleaning process of the forward-facing, essentially vertically rising front wall of a next higher one
- FIG. 7a an enlarged detail view according to the embodiment of Figure 7
- FIG. 8 a representation corresponding to FIG. 7 during the cleaning process shortly before reaching the upper tread surface of a next escalator element
- Figure 8a an enlarged detail view from the
- FIGS. 1 to 4 on the basis of which the essential structure of the cleaning device is explained.
- the cleaning device comprises a so-called drawbar 1 with a handle 3, which is also referred to below as a guide and / or actuating device 5.
- the cleaning device further comprises a cleaning head 7 located underneath which, in the exemplary embodiment shown, has a roller brush device 9 rotating about a horizontal axis, which in the exemplary embodiment shown comprises two roller brushes 9 'sitting next to one another in axial extension ,
- a motor for driving the roller brush device 9 optionally a dirt collecting container for holding the dirt including the dirty water and / or inserted dirt particles. ter cleaning liquid.
- the drive energy or the cleaning agents or cleaning liquids can be accommodated in the hand-held device or can be supplied, for example, through connecting hoses or lines (not shown in more detail) in order to provide a cleaning device which is as compact as possible.
- a suction hose can also be provided, so that a vacuum for suctioning the dirt particles can be generated by an externally connected pump via the connected suction hose via a suction strip which will be discussed below.
- the cleaning device is designed in a side view from the cleaning head 7 to the upper handle 3 in an elongated construction or at least essentially in an elongated construction.
- the device further comprises a support foot device 13 with a support foot 13 ', by means of which the tiller-like cleaning device is additionally supported on the floor 15.
- the support foot device 13 is pivotable about a horizontal axis 17 and adjustable via a locking device 19 in a different angular position to the longitudinal direction of the cleaning device.
- the support foot device 13 also has two lateral rollers 21 at the bottom in order to be able to move the cleaning device more easily into the driving position.
- a suction bar 23 which extends over the entire width of the cleaning device, that is to say over the entire width of the roller brush device 9, is provided immediately after the roller brush device 9 in order to be able to suck up corresponding dirt particles.
- the slot-shaped outlet opening 23 ' also serves as a slider 25.
- the outlet opening 23' on the cleaning head 7 is designed to lie at a height which, as shown in FIG. 2, ensures and allows the bristles of the roller brushes 9 ', 9 "to to the groove floor 27 can engage in the longitudinal grooves 29 between the longitudinal ribs 33 reaching up to the escalator or moving edge 31.
- a further support device 35 can be provided in order to further absorb and support the weight of the cleaning device in the region of the roller brush device.
- This additional support device can consist, for example, of sliders 35, which are arranged at least on the outside of the end next to the roller brushes 9 'and can be seen in FIG. 1 in their triangular shape in a side view. These sliders 35 are dimensioned so wide that they cannot dip into corresponding longitudinal grooves 29 between two longitudinal ribs 33.
- leading glider can 37 can be provided if necessary, for example in the form of a small-dimensioned tubular body 37 ', by means of which the cleaning head rests and supports again on the top 31 of the longitudinal ribs 33 on the escalator or moving walk.
- a special strip brush arrangement 41 in the exemplary embodiment shown is provided with two different strip brushes 41 'and 41 ", which is arranged opposite the roller brush device 9 to the suction strip 23.
- the strip brushes 41 and 41 "which extend over the entire width of the cleaning device are, for example, equipped with bristles of different lengths. This ensures a sufficiently good sealing function to ensure a sufficient negative pressure between the rotating roller brush 9 and the strip brush device 41, that is to say to be able to suck up the whirled up dirt via the suction bar 23.
- the suction bar 23 and / or the strip brush device 41 can still be held in a pivotable manner by means of guide and pivoting kinematics.
- a swivel guide 42 is also provided, by means of which the suction bar (23) and the bristle bar arrangement (41) are held.
- this pivoting guide comprises a jacket cutout of a cylinder guide 42 'and an inside, part-circular end face 42 "which is penetrated by the shaft 9a which carries the corresponding roller brush 9'.
- the roller brush which is only on the left, is shown assembled and omitted on the right side so that the shaft stub 9a is visible, thus the suction bar 23 and the brush bar arrangement 41 can be pivoted about the axis formed by the shaft stub 9a.
- a further slider 36 is arranged between the two axially adjacent roller brushes 9 ', which rests on the top 31 of the ribs 31 of the escalator or moving walk top in the normal operating situation.
- roller brush device 9 is covered and protected on its upper side by approximately semi-cylindrical covers 44, which at the same time also represent the pivoting guide 42.
- the device can be driven onto the moving walkway as shown in FIG. 1 the device (for example when the moving walk is stationary) is slowly moved over it.
- the cleaning head rests on one or more sliding devices and is slowly advanced. Subsequently, the device is supported via the support foot device 13 with the rollers 21 provided.
- the entire device can be gripped by the handle 3 located above and pressed down, so that a rocking movement of the entire device while lifting the cleaning head 7 from the floor area.
- the rocking movement can be carried out until the trailing rollers 45 shown in FIG. 1, whose axis of rotation are aligned 90 'to the actual rollers 21, lie on the floor.
- the 'device can easily transversely back and be pushed forth.
- the roller brush device 9 rotates counterclockwise, so that the dirt parts are conveyed in the longitudinal grooves 29 in the direction of the suction bar 23. At the same time, dirt particles are also moved forward by the trailing ledge brushes and at the same time the desired negative pressure is also maintained to optimize the suction process. If lateral sliding elements are provided adjacent to the end faces of the roller brushes 9 ', 9 ", they can extend to the rear so far that the suction space in front of the suction bar 23 also extends to the side undergoes an additional sealing function.
- the cleaning device After connecting the machine to the mains voltage (if no integrated battery is used) and when plugging in cleaning supplies such as a steam supply and connecting the exhaust hose (which is connected to the squeegee), the cleaning device is easily placed on the upright from below Escalator driven where the first stage is tackled.
- the roller brushes 9 are placed close to the edge of the side walls and switched on. Cleaning is carried out by pulling the unit back and forth. By tilting the device backwards, the above-mentioned transverse rollers 45 come into engagement with the floor surface, so that the device can be moved from left to right if necessary in order to clean the escalator step over the entire width accordingly.
- the cleaning device In order to climb a next step, the cleaning device is swiveled again around its support foot by grasping the handle 3 and pivoting the dike-shaped arrangement downwards until the cleaning head comes to lie above the level of a next escalator step, in order then to move the entire device via its roller 21 move to the front and lower the cleaning head on the next floor surface of an escalator element. Then the cleaning of these escalators pen level.
- a pivoting lever 49 (FIG. 4) is actuated after the machining head 7 has first been lifted off the floor surface once a rocking movement has been carried out.
- the entire cleaning head is rotated by 180 'about a pivot axis carrying it, so that the strip brush and the suction strip are no longer on the left, as shown in the side view according to FIG. 2, but rather as shown in FIGS. 6 to 7a is arranged.
- the cleaning process begins exactly in the corner area between the escalator step underneath and the adjoining end wall 47 of an escalator step located next up, whereby the tilting movement around the support foot 13 'is carried out while performing a pivoting movement (exerting pressure on the handle 3) and the roller brush device 9 in the process slips over the vertical end wall 47 of the escalator step higher up and the dirt located there is suctioned off via the suction bar 23.
- the cleaning head 7 is again moved back into its initial position by 180 ′ in order to clean the floor surface of a next higher escalator step. After stopping the cleaning The support foot is then raised upwards, so that the support foot can be set down again on an escalator step that is also next higher, but always lower to the cleaning head.
- connection cables in particular the power cables
- the supply lines for cleaning agents which may be provided, in particular the steam line mentioned, for example around a connected suction line.
- it can at least also be a semi-automatic device in which the processing head can be raised and lowered automatically, for example. This also enables the processing head, as explained, to be turned around in the raised position by 180 "as required and then lowered again.
- Such an embodiment like the other examples, is neither a manual device nor an escalator or moving walk All construction principles described can be used alone or together with any cleaning machine.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Escalators And Moving Walkways (AREA)
- Electric Vacuum Cleaner (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01931552A EP1267696A2 (de) | 2000-03-31 | 2001-03-29 | Rolltreppen- und fahrsteig-reinigungsgerät |
JP2001570160A JP2003528661A (ja) | 2000-03-31 | 2001-03-29 | エスカレータ及び動く歩道の洗浄装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10016287.8 | 2000-03-31 | ||
DE10016287A DE10016287A1 (de) | 2000-03-31 | 2000-03-31 | Rolltreppen- und Fahrsteig-Reinigungsgerät |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001072196A2 true WO2001072196A2 (de) | 2001-10-04 |
WO2001072196A3 WO2001072196A3 (de) | 2002-04-11 |
Family
ID=7637280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2001/003612 WO2001072196A2 (de) | 2000-03-31 | 2001-03-29 | Rolltreppen- und fahrsteig-reinigungsgerät |
Country Status (5)
Country | Link |
---|---|
US (1) | US20030101536A1 (de) |
EP (1) | EP1267696A2 (de) |
JP (1) | JP2003528661A (de) |
DE (1) | DE10016287A1 (de) |
WO (1) | WO2001072196A2 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109019253A (zh) * | 2018-09-27 | 2018-12-18 | 颜全聪 | 一种电梯导轨清洁装置 |
CN114376449A (zh) * | 2022-02-20 | 2022-04-22 | 山东交通学院 | 用于楼梯台阶及护栏清洁的机器人及其清洁方法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100487306B1 (ko) * | 2001-12-28 | 2005-05-03 | 엘지전자 주식회사 | 진공청소기 |
DE10202691B4 (de) * | 2002-01-24 | 2005-11-24 | Georg Hefter Maschinenbau | Bodenreinigungsgerät insbesondere auch für Rolltreppen und Fahrsteige |
US20050028941A1 (en) * | 2003-08-06 | 2005-02-10 | Flowers Bobby N. | Carpet film applicator |
GB2422094B8 (en) * | 2005-01-18 | 2008-06-05 | Dyson Technology Ltd | Surface-treating appliance |
KR101253196B1 (ko) * | 2011-01-18 | 2013-04-10 | 엘지전자 주식회사 | 업라이트형 진공 청소기 |
ES2409949B1 (es) * | 2011-12-22 | 2014-04-07 | Mullor, S.A. | Máquina para la limpieza de pisos móviles. |
US9357891B1 (en) * | 2015-08-04 | 2016-06-07 | Richard C. Chappel | Cleaning apparatus holder |
CN113425195B (zh) * | 2021-08-02 | 2022-10-28 | 谢顺 | 一种高层住宅物业服务楼梯智能清洁设备 |
CN114751270B (zh) * | 2022-04-27 | 2024-03-22 | 呼和浩特市康尼电梯有限公司 | 一种电梯显示屏安装结构 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1862941A (en) * | 1928-05-07 | 1932-06-14 | Commerce Guardian Trust & Savi | Adjustable roller support for airway cleaners |
US4156952A (en) * | 1977-10-04 | 1979-06-05 | Chemko Industries, Inc. | Carpet soil extractor having a powered brush |
EP0061826A1 (de) * | 1981-03-26 | 1982-10-06 | Black & Decker Inc. | Staubsaugermundstück zur Verwendung für horizontale und vertikale Flächen |
EP0062425A1 (de) * | 1981-03-30 | 1982-10-13 | Cimex Limited | Staubsauger |
US4577364A (en) * | 1984-07-06 | 1986-03-25 | Demetriades Peter G | Floor cleaning machine |
DE4212733A1 (de) * | 1992-04-16 | 1993-10-21 | Hans Tuchlinski | Reinigungsgerät |
JP2000053364A (ja) * | 1998-08-05 | 2000-02-22 | Hitachi Building Systems Co Ltd | ライザー清掃装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2243985A (en) * | 1939-02-10 | 1941-06-03 | Birtman Electric Co | Suction cleaner |
US2496813A (en) * | 1945-08-21 | 1950-02-07 | Electrolux Corp | Pipe joint |
JP3467846B2 (ja) * | 1994-07-13 | 2003-11-17 | 松下電器産業株式会社 | アップライト形電気掃除機 |
JP2775612B1 (ja) * | 1997-01-08 | 1998-07-16 | トルステン・ケルン | うね状***付きエスカレータ又は移動歩道のような溝付き輪郭を持つ面の洗浄装置 |
JPH10226483A (ja) * | 1997-02-18 | 1998-08-25 | Form Shiya:Kk | エスカレータ用真空掃除機およびその吸塵具 |
-
2000
- 2000-03-31 DE DE10016287A patent/DE10016287A1/de not_active Withdrawn
-
2001
- 2001-03-29 WO PCT/EP2001/003612 patent/WO2001072196A2/de not_active Application Discontinuation
- 2001-03-29 JP JP2001570160A patent/JP2003528661A/ja active Pending
- 2001-03-29 US US10/240,192 patent/US20030101536A1/en not_active Abandoned
- 2001-03-29 EP EP01931552A patent/EP1267696A2/de not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1862941A (en) * | 1928-05-07 | 1932-06-14 | Commerce Guardian Trust & Savi | Adjustable roller support for airway cleaners |
US4156952A (en) * | 1977-10-04 | 1979-06-05 | Chemko Industries, Inc. | Carpet soil extractor having a powered brush |
EP0061826A1 (de) * | 1981-03-26 | 1982-10-06 | Black & Decker Inc. | Staubsaugermundstück zur Verwendung für horizontale und vertikale Flächen |
EP0062425A1 (de) * | 1981-03-30 | 1982-10-13 | Cimex Limited | Staubsauger |
US4577364A (en) * | 1984-07-06 | 1986-03-25 | Demetriades Peter G | Floor cleaning machine |
DE4212733A1 (de) * | 1992-04-16 | 1993-10-21 | Hans Tuchlinski | Reinigungsgerät |
JP2000053364A (ja) * | 1998-08-05 | 2000-02-22 | Hitachi Building Systems Co Ltd | ライザー清掃装置 |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 05, 31. Mai 1996 (1996-05-31) -& JP 08 024167 A (MATSUSHITA ELECTRIC IND CO LTD), 30. Januar 1996 (1996-01-30) * |
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 05, 14. September 2000 (2000-09-14) -& JP 2000 053364 A (HITACHI BUILDING SYSTEMS CO LTD), 22. Februar 2000 (2000-02-22) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109019253A (zh) * | 2018-09-27 | 2018-12-18 | 颜全聪 | 一种电梯导轨清洁装置 |
CN114376449A (zh) * | 2022-02-20 | 2022-04-22 | 山东交通学院 | 用于楼梯台阶及护栏清洁的机器人及其清洁方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2001072196A3 (de) | 2002-04-11 |
US20030101536A1 (en) | 2003-06-05 |
DE10016287A1 (de) | 2001-10-04 |
JP2003528661A (ja) | 2003-09-30 |
EP1267696A2 (de) | 2003-01-02 |
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