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(11) | EP 2 127 583 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Joint construction of suction head for vacuum cleaner and vacuum cleaner having the construction |
| (57) The present invention relates to a joint construction of a suction head for a vacuum
cleaner and a vacuum cleaner having said construction. The joint construction of the
suction head for the vacuum cleaner in this invention comprises: a suction head body,
a connecting tube and an extension tube. Said connecting tube connects in between
the suction head body and the extension tube, and said connecting tube is provided
with a first joint section at the joint of said connecting tube and said extension
tube, for connecting and fixing said extension tube; said extension tube is provided
with a second joint section at the joint of said extension tube and said connecting
tube, for interlocking with said first joint section to connect and fix said extension
tube and said connecting tube; a joint release section for releasing the interlocking
between said first and second joint sections is provided above said connecting tube
and covers said first joint section; said joint release section is arranged substantially
along with the longitudinal direction of said connecting tube, with one end thereof
provided with a supporting section which is shaft supported at the external surface
of said connecting tube, and the other end thereof provided with an operating section
for operating the motion of said joint release section.
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