|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 12 인용 특허 : 8|
A vacuum cleaner having a joint assembly to selectively rotate an extension pipe with respect to a handle. The joint assembly has a joint body removably installed between the extension pipe and the handle to allow the extension pipe 130 to rotate with respect to the handle 140 within a predetermined range. Also included on the joint assembly is a supplemental handle protruding from an outer surface of the joint body. The joint assembly and supplemental handle allow the user to clean under a bed or a desk without having to bend his/her back too much. Ther...
1. A joint assembly of a vacuum cleaner comprising:a joint body removably installed between an extension pipe and a handle, being disposed to form an air passage for air drawn from a suction port assembly to flow to a vacuum cleaner body, the joint body connecting the extension pipe with the handle to allow the extension pipe to rotate with respect to the handle within a predetermined range; and a supplemental handle protruding from an outer surface of the joint body. 2. The joint assembly of a vacuum cleaner of claim 1, wherein:the joint body includes a...