Suction tube for a vacuum cleaner

Details Suction tube for a vacuum cleaner Suction tube for a vacuum cleaner

2011-01-25

2011-01-25

Redding, David A (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S410000, C015S414000, C285S007000

Reexamination Certificate

active

07874041

ABSTRACT:
A suction hose for vacuum cleaner includes a tubular inner part, a jacket part and a locking device. The inner part is variable in length and includes a hose wall having a coil spring integrated therein, the coil spring being configured to automatically return the inner part from an extended position to a shortened position. The jacket part is configured to completely receive the inner part when the inner part is in the shortened position, the jacket part including a tubular shape. The locking device is configured to fix the inner part, in the shortened position, in the jacket part. The locking device includes a tubular member configured to surround the inner part, the tubular member including a first part of a first snap-fit device configured to cooperate with the jacket part so as to connect the tubular member and the jacket part.

REFERENCES:
patent: 5584436 (1996-12-01), Sepke
patent: 6345408 (2002-02-01), Nagai et al.
patent: 2003/0098084 (2003-05-01), Ragner et al.
patent: 197 38 329 (1999-03-01), None
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patent: 0976358 (2000-02-01), None
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patent: 86/07247 (1986-12-01), None
patent: 03/024294 (2003-03-01), None
patent: 2004/096002 (2004-11-01), None

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