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:
Oct. 13, 1998
Filed:
Feb. 25, 1997
Nobuo Imamura, Kyoto, JP;
Yashima Electric Co., Ltd., Kyoto, JP;
Abstract
A vacuum cleaner comprises a dust sensor having a light emitting device and a light receiving device which devices are provided at predetermined positions of a suction nozzle or a suction pipe in a condition that both devices are opposite to one another in a direction which crosses a dust suction direction by a predetermined angle. A spacer member is positioned at a predetermined accurately position the suction nozzle or the suction pipe by an engagement of with respect to a second projection member and a second concave section, and each device is positioned accurately relative to the spacer member by an engagement of a first concave section and a first projection member.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile