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Articulative extension pipe of vacuum cleaner

A technology for vacuum cleaners and extension pipes, which is applied in the directions of vacuum cleaners, suction hoses, cleaning equipment, etc., can solve problems such as the falling off of the lower extension pipes

Inactive Publication Date: 2008-01-09
SAMSUNG GWANGJU ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the lower extension tube often falls out of its fixed position in use

Method used

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  • Articulative extension pipe of vacuum cleaner
  • Articulative extension pipe of vacuum cleaner
  • Articulative extension pipe of vacuum cleaner

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Embodiment Construction

[0026] Certain embodiments of the invention will be described in more detail with reference to the accompanying drawings.

[0027] In the following description, the same reference numerals are used to designate the same elements even in different drawings. Matters defined in the description, such as detailed construction and elements, are provided only to aid in a comprehensive understanding of the present invention. Therefore, it is apparent that the present invention can be carried out without employing those limited matters. Also, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary description.

[0028] Referring to FIGS. 1 and 2 , the hinged extension tube 100 according to the embodiment of the present invention includes a first extension tube 110 , a second extension tube 120 , a sealing cover 130 , a locking button 140 and an elastic member 150 .

[0029] The first extension tube 110 has a cylindrical ...

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PUM

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Abstract

An articulated extension pipe for a vacuum cleaner comprises a first extension pipe having a joint, a second extension pipe having a joint receiving part in which a joint of the first extension pipe is inserted, a sealing cover enclosing the first and the second extension pipes, and a locking button disposed between the sealing cover and the first extension pipe, and having at least one coupling protrusion on the outer circumference. One of the sealing cover, and the first and the second extension pipes has at least one coupling recess in which the coupling protrusion of the locking button is selectively inserted so that the first extension pipe can rotate with respect to the second extension pipe. The sealing cover further includes a wheel, which rolls in contact with the surface being cleaned, and a cotton flannel is disposed on the outer circumference of the wheel.

Description

[0001] Cross References to Related Documents [0002] This application claims priority to Korean Patent Application No. 2005-03689 filed with the Korean Intellectual Property Office on January 14, 2005 and Korean Patent Application No. 2005-12644 filed with the Korean Intellectual Property Office on February 16, 2005, their The entire disclosure is hereby incorporated by reference. technical field [0003] The present invention relates to vacuum cleaners. More particularly, the present invention relates to an articulative extension pipe for a vacuum cleaner by which a user can clean confined spaces such as recessed portions under furniture such as beds and sofas. Background technique [0004] Typically, a vacuum cleaner has a main body, a vacuum source housed in the body to generate suction, a dust chamber also housed in the body to receive collected dust, suction brushes that come into contact with and move over the surface being cleaned , and an extension channel connect...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47L9/24
CPCA47L9/009A47L9/242A47L9/248
Inventor 朴兴准金化中崔健洙
Owner SAMSUNG GWANGJU ELECTRONICS CO LTD