Locking device for extension pipe of vacuum cleaner

Details Locking device for extension pipe of vacuum cleaner Locking device for extension pipe of vacuum cleaner

2007-01-02

2007-01-02

Till, Terrence R. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C285S007000

Reexamination Certificate

active

10645156

ABSTRACT:
A locking device for an extension pipe of a vacuum cleaner is provided that has a holder having first and second connection parts formed at both ends, and a locking hole in correspondence to a fixing hole formed in the extension pipe. The first and the second connection parts are connected to the operation handle and the extension pipe, respectively, and the locking hole is formed at a side of the second connection part. A cap is connected to an outer surface of the second connection part of the holder, and has an elastic locking member integrally formed therein and elastically biased toward the locking direction.

REFERENCES:
patent: 2002/0063427 (2002-05-01), Schiemann et al.
patent: 3931639 (1991-04-01), None
patent: 0 727 172 (1996-08-01), None
patent: 2324712 (1998-04-01), None
patent: 2 324 712 (1998-11-01), None
patent: 9-253013 (1997-09-01), None
patent: 9253013 (1997-09-01), None
patent: 2002-17631 (2002-01-01), None
patent: 2002-209817 (2002-07-01), None
Spanish Patent Office State of the Art issued on Jul. 28, 2005 for Spanish Application No. 200302306.

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