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. 27, 1977
Filed:
Dec. 18, 1975
Applicant:
Inventors:
Kenichi Mabuchi, Tokyo, JA;
Yoshihisa Tsuchimochi, Tokyo, JA;
Assignee:
Mabuchi Motor Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B43L / ;
U.S. Cl.
CPC ...
144 285 ; 51 7 / ; 81 5731 ; 144 281 ; 144 284 ;
Abstract
An electric sharpener is disclosed, wherein its sharpener section is driven by a motor powered from a self-contained battery in an arrangement that said motor and a reduction means for transmitting the revolving force of said motor to said sharpener section are housed in an inner case movable relative to an outer case in the lengthwise direction and the electrical connection between said self-contained battery and said motor is controlled by moving said inner case in said lengthwise direction with a pencil inserted into said sharpener section.