The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 21, 2000
Filed:
Apr. 19, 1999
Naoyuki Ohara, Shiga, JP;
William R Tracy, Stanford, KY (US);
Matsushita Electric Corporation of America, Danville, KY (US);
Abstract
An electric vacuum cleaner includes a canister housing having an internal chamber and a suction inlet and an exhaust outlet both communicating with that chamber. The vacuum cleaner also includes a suction generator and dust collector both held in the internal chamber. Further, the vacuum cleaner includes a nozzle for picking up dirt and debris and a motor driven agitator and drive motor carried on that nozzle. Finally, a hose and wand assembly are provided. The wand assembly provides fluid communication between the outlet of the nozzle and the hose leading to the suction inlet of the canister housing. The wand assembly includes respective first and second telescoping tubes constructed from metal, an electrical conductor and a telescoping insulator assembly including a channel for receiving and holding the electrical conductor in substantially any respective position of the first and second telescoping tubes.