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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.:

US 4910824 B1

PDFFull Text
Date of Patent:
Mar. 27, 1990

Filed:

Nov. 15, 1988

Floor polisher

Applicant:
Inventors:

Eiji Nagayama, Shizuoka, JP;

Tetuichi Turumi, Shizuoka, JP;

Ken Ikezawa, Shizuoka, JP;

Yuuichi Terada, Shizuoka, JP;

Tetu Arai, Shizuoka, JP;

Takashi Ohta, Shizuoka, JP;

Assignee:

Amano Corporation, Yokohama, JP;

Attorney:

Wenderoth, Lind & Ponack

Primary Examiner:

Edward L Roberts

Int. Cl.
CPC ...
A47L / ;
U.S. Cl.
CPC ...
15 98 ; 15 4 / ; 153404 ; 51177 ;
Abstract

A floor polisher, while travelling, causes a pad to rotate at a high speed to polish a floor. The floor polisher has a vertically moving mechanism adapted to move the pad in the vertical direction with respect to the floor, a ground pressure adjusting mechanism adapted to maintain a ground pressure of the pad a set pressure by controlling the vertically moving mechanism, and a floor protecting mechanism adapted to actuate the vertically moving mechanism to lift the pad immediately when the travel of the floor polisher is stopped.

Find Patent Forward Citations

Nagayama, Eiji. (1990). Floor polisher (U.S. Patent No. 4910824). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4910824

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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