# US 11,298,726 B2 · Cleaner and cleaning device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,298,726 B2 - Document ID: US11298726B2 - Status: Granted - Kind: B2 - Application number: 16/064,930 - Filed: 2017-11-21 - Published: 2021-09-02 - Granted: 2022-04-12 - Earliest claimed: 2017-05-12 - Assignees: Boe Technology Group Co., Ltd.; Hefei Xinsheng Optoelectronics Technology Co., Ltd. - Applicants: BOE Technology Group Co., Ltd.; Hefei Xinsheng Optoelectronics Technology Co., Ltd. - Inventors: Min Xu; Pengfei Xu; Jiajia Shan; Kai Wu - Web page: https://patentgrep.com/patent/US11298726B2 ## CPC - B05B 1/1645: {the outlets being rotated during selection} - B08B 3/02: Cleaning by the force of jets or sprays - B05B 15/656: whereby the flow conduit length is changeable - B05B 15/70: Arrangements for moving spray heads automatically to or from the working position - B08B 9/0936: {using rotating jets} - G03F 7/3092: {Recovery of material; Waste processing} - B08B 3/024: {Cleaning by means of spray elements moving over the surface to be cleaned} - B08B 9/0813: {by the force of jets or sprays} - B05B: SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES (spray-mixers with nozzles B01F25/72; processes for applying liquids or other fluent materials to surfaces by spraying B05D) - B08B: CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL - G03F: PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR; (phototypographic composing devices B41B; photosensitive materials or processes for photographic purposes G03C; electrophotography, sensitive layers or processes therefor G03G) ## Abstract A cleaner and a cleaning device are disclosed. The cleaner includes: a guide rail; a lifting lever, one end of which is disposed on the guide rail and capable of moving along the guide rail; a feed pipe, disposed inside the lifting lever; and a nozzle, disposed on an end portion of one end of the lifting lever away from the guide rail and communicated with the feed pipe. The lifting lever is configured to allow the nozzle to be away from or close to the guide rail. ## Claims ### Claim 1 A cleaner, comprising: a guide rail; a lifting lever, one end of which is disposed on the guide rail and capable of moving along the guide rail; a feed pipe, disposed inside the lifting lever; and a nozzle, disposed on an end portion of one end of the lifting lever away from the guide rail and communicated with the feed pipe, wherein the lifting lever is configured to allow the nozzle to be away from or close to the guide rail, to increase or decrease a distance between the nozzle and the guide rail, the lifting lever includes a first lifting lever, a second lifting lever, and a connecting piece connecting the first lifting lever and the second lifting lever, the nozzle is disposed on an end portion of the first lifting lever, the second lifting lever is disposed on the guide rail, and the first lifting lever can perform an up-and-down movement relative to the second lifting lever. ### Claim 2 (depends on 1) The cleaner according to claim 1, wherein the connecting piece is configured to rotate to drive the first lifting lever to perform the up-and-down movement relative to the second lifting lever. ### Claim 3 (depends on 1) The cleaner according to claim 1, further comprising: an inner spray head and an outer spray head, wherein the inner spray head is disposed inside the outer spray head, the nozzle is disposed inside the inner spray head, a plurality of first spray holes are provided on the outer spray head, a plurality of second spray holes are provided on the inner spray head, and at least one of the inner spray head or the outer spray head is configured to rotate around the lifting lever. ### Claim 4 (depends on 3) The cleaner according to claim 3, wherein the inner spray head is provided with a protruded slider which is arranged around an outer surface of the inner spray head and perpendicular to an axial direction of the lifting lever, the outer spray head is provided with a recessed guide slot which is arranged around an inner surface of the outer spray head and perpendicular to the axial direction of the lifting lever, and the protruded slider is embedded into the recessed guide slot and configured to move relative to the recessed guide slot. ### Claim 5 (depends on 1) The cleaner according to claim 1, further comprising a multi-way valve disposed at one end of the lifting lever close to the guide rail, wherein the multi-way valve is close to one end of the lifting lever close to the guide rail and communicated with the feed pipe. ### Claim 6 A cleaning, comprising: a guide rail; a lifting lever, one end of which is disposed on the guide rail and capable of moving along the guide rail; a feed pipe, disposed inside the lifting lever; and a nozzle, disposed on an end portion of one end of the lifting lever away from the guide rail and communicated with the feed pipe, wherein the lifting lever is configured to allow the nozzle to be away from or close to the guide rail, to increase or decrease a distance between the nozzle and the guide rail, wherein the cleaner further comprises: an inner spray head and an outer spray head, wherein the inner spray head is disposed inside the outer spray head, the nozzle is disposed inside the inner spray head, a plurality of first spray holes are provided on the outer spray head, a plurality of second spray holes are provided on the inner spray head, and at least one of the inner spray head or the outer spray head is configured to rotate around the lifting lever. ### Claim 7 (depends on 6) The cleaner according to claim 6, wherein an arrangement pitch of the second spray holes on the inner spray head is different from an arrangement pitch of the first spray holes on the outer spray head. ### Claim 8 (depends on 5) The cleaner according to claim 5, further comprising a supporting rod connected with the one end of the lifting lever close to the guide rail, wherein the multi-way valve is connected with one end of the supporting rod away from the lifting lever. ### Claim 9 (depends on 6) The cleaner according to claim 6, wherein the inner spray head is provided with a protruded slider which is arranged around an outer surface of the inner spray head and perpendicular to an axial direction of the lifting lever, the outer spray head is provided with a recessed guide slot which is arranged around an inner surface of the outer spray head and perpendicular to the axial direction of the lifting lever, and the protruded slider is embedded into the recessed guide slot and configured to move relative to the recessed guide slot. ### Claim 10 (depends on 1) The cleaner according to claim 1, further comprising a multi-way valve disposed at one end of the lifting lever close to the guide rail, wherein the multi-way valve is close to the one end of the lifting lever close to the guide rail and communicated with the feed pipe. ### Claim 11 (depends on 10) The cleaner according to claim 10, further comprising a supporting rod connected with the one end of the lifting lever close to the guide rail, wherein the multi-way valve is connected with one end of the supporting rod away from the lifting lever. ### Claim 12 A cleaner, comprising: a guide rail; a lifting lever, one end of which is disposed on the guide rail and capable of moving along the guide rail; a feed pipe, disposed inside the lifting lever; and a nozzle, disposed on an end portion of one end of the lifting lever away from the guide rail and communicated with the feed pipe, wherein the lifting lever is configured to allow the nozzle to be away from or close to the guide rail, to increase or decrease a distance between the nozzle and the guide rail, wherein the cleaner further comprises a laser ranging unit disposed on the guide rail. ### Claim 13 (depends on 1) The cleaner according to claim 1, further comprising a supporting stand which is disposed on the guide rail and capable of moving along the guide rail, wherein the guide rail includes a plurality of parallel sub-rails, and the lifting lever is supported on the supporting stand. ### Claim 14 (depends on 13) The cleaner according to claim 13, further comprising a liquid guiding groove disposed between the parallel sub-rails, wherein the liquid guiding groove is set to be inclined. ### Claim 15 (depends on 1) A cleaning device, comprising the cleaner according to claim 1. ### Claim 16 (depends on 15) The cleaning device according to claim 15, further comprising a working chamber, wherein an opening is formed on a wall of the working chamber and allows the cleaner to pass through so that at least part of the cleaner is able to enter the working chamber. ### Claim 17 (depends on 13) The cleaning device according to claim 13, further comprising a baffle plate, wherein the baffle plate is disposed at the opening to open or close the opening. ### Claim 18 (depends on 15) The cleaning device according to claim 15, further comprising at least one external pipe, wherein the external pipe is connected to the cleaner. ### Claim 19 (depends on 3) The cleaner according to claim 3, wherein an arrangement pitch of the second spray holes on the inner spray head is different from an arrangement pitch of the first spray holes on the outer spray head.