# US 11,076,731 B2 · Vacuum cleaner > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,076,731 B2 - Document ID: US11076731B2 - Status: Granted - Kind: B2 - Application number: 16/302,904 - Filed: 2017-05-10 - Published: 2019-09-26 - Granted: 2021-08-03 - Earliest claimed: 2016-05-18 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Dah We Park; Joo Hee Ryu - Web page: https://patentgrep.com/patent/US11076731B2 ## CPC - A47L 9/0477: {Rolls} - A47L 9/02: Nozzles (suction nozzles for fluid transport B65G51/00) - A47L 9/04: with driven brushes or agitators - A47L 2201/00: Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation - A47L: DOMESTIC WASHING OR CLEANING (brushes A46B; cleaning quantities of bottles or of other hollow articles of one kind B08B9/00; laundry D06F); SUCTION CLEANERS IN GENERAL (cleaning in general B08) ## Abstract A cleaner including a cleaning module capable of easily removing foreign matters such as hair entangled in a brush unit is provided. The cleaner includes a main body including a suction port, a brush unit rotatably provided at the suction port, and a cleaning module detachably received in the main body and configured to remove a foreign matter entangled in the brush unit. The cleaning module includes a housing detachably received in the main body, a cartridge provided in the housing to be movable in a vertical direction, and a cutting unit provided at a lower portion of the cartridge and configured to cut the foreign matter entangled in the brush unit. ## Claims ### Claim 1 A cleaner comprising: a main body including a suction port; a brush unit rotatably provided at the suction port; and a cleaning module detachably received in the main body and configured to remove foreign matter entangled in the brush unit, wherein the cleaning module comprises: a housing detachably received in the main body, a cartridge provided in the housing and configured to be movable in a vertical direction, between a locked position and an unlocked position, and a cutting unit provided at a lower portion of the cartridge and configured to cut the foreign matter entangled in the brush unit in case the cartridge is in the locked position, and wherein the cutting unit comprises a curved blade having an end point that is directed away from an axis of rotation of the brush unit. ### Claim 2 (depends on 1) The cleaner according to claim 1, wherein the brush unit comprises: a brush drum having a drum shape, and a brush provided on an outer peripheral surface of the brush drum, and wherein the brush unit is housed in a cylindrical cover. ### Claim 3 (depends on 2) The cleaner according to claim 2, wherein a receiving portion to receive the cleaning module is provided above a central portion of the cylindrical cover, and wherein the receiving portion includes an upper opening through which the housing is received and a lower opening through which the cutting unit is vertically moved. ### Claim 4 (depends on 3) The cleaner according to claim 3, wherein the cylindrical cover is provided with an opening portion at a position corresponding to the lower opening. ### Claim 5 (depends on 4) The cleaner according to claim 4, wherein a lid is coupled to the main body to open or close the upper opening and the lid includes a pressing portion provided at a lower portion of the lid to press the cartridge. ### Claim 6 A cleaner comprising: a main body including a suction port; a brush unit rotatably provided at the suction port; and a cleaning module detachably received in the main body and configured to remove foreign matter entangled in the brush unit, wherein the cleaning module comprises: a housing detachably received in the main body, a cartridge provided in the housing to be movable in a vertical direction, and a cutting unit provided at a lower portion of the cartridge and configured to cut the foreign matter entangled in the brush unit, wherein the brush unit comprises: a brush drum having a drum shape, and a brush provided on an outer peripheral surface of the brush drum, wherein the brush unit is housed in a cylindrical cover, wherein a receiving portion to receive the cleaning module is provided above a central portion of the cylindrical cover, wherein the receiving portion includes an upper opening through which the housing is received and a lower opening through which the cutting unit is vertically moved, wherein the cylindrical cover is provided with an opening portion at a position corresponding to the lower opening, wherein a lid is coupled to the main body to open or close the upper opening and the lid includes a pressing portion provided at a lower portion of the lid to press the cartridge, and wherein a pair of anti-release members are provided at an upper portion of the housing to prevent the cartridge from being released to the outside through the upper opening. ### Claim 7 (depends on 6) The cleaner according to claim 6, wherein the housing and the cartridge include support portions for supporting a first end and a second end of a spring, respectively, such that the cartridge is elastically supported by the housing via the spring. ### Claim 8 (depends on 7) The cleaner according to claim 7, wherein the pressing portion presses an upper portion of the cartridge such that the cartridge is moved downward inside the housing, when the lid is closed after the cleaning module is received in the receiving portion. ### Claim 9 (depends on 8) The cleaner according to claim 8, wherein the cutting unit is inserted into the cylindrical cover through the lower opening and the opening portion when the cartridge is moved downward. ### Claim 10 (depends on 9) The cleaner according to claim 9, wherein the spring is compressed to store elastic force when the cartridge is moved downward. ### Claim 11 (depends on 10) The cleaner according to claim 10, wherein the cutting unit is disposed at a central portion of the brush unit, and wherein a blade of the cutting unit extends in a radial direction of the brush unit to be disposed to cut the foreign matter entangled in the brush unit. ### Claim 12 (depends on 11) The cleaner according to claim 11, wherein the cartridge is released from the pressing portion and moved upward in the housing due to the elastic force of the spring when the lid is opened. ### Claim 13 (depends on 12) The cleaner according to claim 12, wherein the cutting unit is received in the housing when the cartridge is moved upward.