![]() Priority to GB0513330A priority patent/GB2415611B/en Priority to CA002511207A priority patent/CA2511207C/en Priority to CN2005100804367A priority patent/CN1714732B/en Publication of US20060000052A1 publication Critical patent/US20060000052A1/en Assigned to HEALTHY GAIN INVESTMENTS LIMITED reassignment HEALTHY GAIN INVESTMENTS LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Hoover Co filed Critical Hoover Co Priority to US10/882,823 priority Critical patent/US7316051B2/en Assigned to HOOVER COMPANY, THE reassignment HOOVER COMPANY, THE ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee Hoover Co Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor Andrew Budd Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number US10/882,823 Other versions US7316051B2 ![]() Google Patents Suction nozzle height adjustment control circuitÄownload PDF Info Publication number US20060000052A1 US20060000052A1 US10/882,823 US88282304A US2006000052A1 US 20060000052 A1 US20060000052 A1 US 20060000052A1 US 88282304 A US88282304 A US 88282304A US 2006000052 A1 US2006000052 A1 US 2006000052A1 Authority US United States Prior art keywords suction nozzle switch electric motor current travel Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US20060000052A1 - Suction nozzle height adjustment control circuit US20060000052A1 - Suction nozzle height adjustment control circuit
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