Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chia Ming Lin0
Date of Patent
April 14, 2009
0Patent Application Number
118033720
Date Filed
May 15, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A telescopic coupling tube for a vacuum cleaner including a mounting tube, a telescopic tube, a locking assembly, a positioning socket, and a sealing socket. The mounting tube serves for insertion of the telescopic tube. A simple adjustment of the assembly length is ensured by means of the locking assembly and the sealing socket in match of the corresponding locking grooves in the wall of the telescopic tube.
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