Patent ID: 11917951
Assignee: NANJING CHERVON INDUSTRY CO., LTD.
Field: Other consumer goods (Other fields)
Classification: CPC A | IPC A

Claim 11:
12. The sweeper head as claimed in claim 11, wherein an angle of rotation from a position of the retarding mechanism with respect to the shield when the retarding mechanism is in the second installation state to a position of the retarding mechanism with respect to the shield when the retarding mechanism is in the first installation state is 180 degrees, a surface area of the front surrounding portion is greater than a surface area of the rear surrounding portion, when the retarding mechanism is in the first installation state, a minimum distance between the front surrounding portion and the cleaning element is greater than or equal to 10 millimeters, and, when the retarding mechanism is in the second installation state, the minimum distance between the front surrounding portion and the cleaning element is greater than or equal to 10 millimeters.