JPS6383144U

JPS6383144U -

Info

Publication number: JPS6383144U
Application number: JP17880286U
Authority: JP
Priority date: 1986-11-20
Filing date: 1986-11-20
Publication date: 1988-06-01

Description

[Brief explanation of the drawing]

第１図は本発明実施例における電気掃除機の縦
断面図、第２図は伸縮自在延長管の断面図、第３
図、第４図は他の実施例を示す伸縮自在延長管の
断面図、第５図ａ，ｂは従来例を示す電気掃除機
の斜視図、第６図は回転を防止した従来例を示す
伸縮自在延長管の断面図である。１１……本体ケース、１２……電動送風機、１
４……外管、１５……把手、１６……内管、１７
……床用吸込具。 Fig. 1 is a vertical sectional view of a vacuum cleaner according to an embodiment of the present invention, Fig. 2 is a sectional view of a telescopic extension tube, and Fig. 3 is a sectional view of a vacuum cleaner according to an embodiment of the present invention.
Figure 4 is a sectional view of a telescopic extension tube showing another embodiment, Figures 5a and b are perspective views of a vacuum cleaner showing a conventional example, and Figure 6 shows a conventional example in which rotation is prevented. FIG. 3 is a cross-sectional view of the telescopic extension tube. 11... Main body case, 12... Electric blower, 1
4... Outer tube, 15... Handle, 16... Inner tube, 17
...Suction device for the floor.

Claims

[Scope of utility model registration request]

A telescopic device consisting of an inner pipe that connects a floor suction device, an outer pipe that slidably holds this inner pipe, a main body case that has a built-in electric blower and is provided with this outer pipe, and the inner pipe and outer pipe. and a handle formed near the rear end of the flexible extension tube, and the cross-sectional shape of the extendable extension tube is non-circular with no protrusions and grooves for fitting the outer tube and the inner tube into each other. Machine.