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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0815365 (1977-07-13) |
우선권정보 | DE-0224538 (1976-07-16) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 8 인용 특허 : 0 |
An arrangement for connecting an attachment to a vacuum cleaning device includes two connecting sleeves, one on the attachment and the other on the device. One of the connecting sleeves has an inner and an outer portion which together bound a groove in which a projecting portion of the other connect
In a vacuum cleaning device of the type having an air conduit including at least two consecutive sections, an arrangement for sealingly and detachably connecting the associated ends of the consecutive sections, comprising two associated connecting sleeves each connected to one of said associated end
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