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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0392897 (1989-08-14) |
우선권정보 | JP-0201942 (1988-08-15); JP-0201943 (1988-08-15); JP-0201944 (1988-08-15); JP-0201945 (1988-08-15); JP-0201947 (1988-08-15); JP-0201948 (1988-08-15) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 115 인용 특허 : 3 |
A floor detector for a power brush of a vacuum cleaner comprises a lift sensor S1 and a floor sensor S2. The lift sensor S1 has a movable member which yieldably displaces when the power brush is placed on a relatively soft floor while the floor sensor S2 has a movable member which yieldably displace
A floor detector for a power brush of a vacuum cleaner comprising: a housing adapted to be mounted to said power brush; a lift sensor (S1) having a first movable member (25) reciprocally movably housed in said housing, and a first spring (28) for urging said first movable member outwardly of said ho
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