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:
Sep. 04, 1990
Filed:
Jun. 29, 1989
Norisuke Fukuda, Tokyo, JP;
Yuji Shimada, Yokohama, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A canister vacuum cleaner capable of performing automatic control of rotary brush operation, locally within the power nozzle without communication between the power nozzle and the canister and of performing suction power control in accordance with the floor condition, without any extra electric connection between the power nozzle and the canister other than that for activating the rotary brush motor. The canister vacuum cleaner includes a power nozzle for cleaning floor by using the suction power including: a rotary brush for beating the floor; a rotary brush motor for activating the rotary brush; floor condition detector; and a device for controlling the rotary brush motor in accordance with the detected floor condition.