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 7356929 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 15, 2008

Filed:

Feb. 14, 2006
Applicant:

Tsuyoshi Nakano, Matsumoto, JP;

Inventor:

Tsuyoshi Nakano, Matsumoto, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B26B 19/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A rotary shaver including an outer cutter frame () provided on a shaver main body (), an outer cutter () that is installed in this outer cutter frame () and has ring-shaped thin layer portions () whose upper surfaces are the shaving surfaces, and an inner cutter () that has cutter bodies () that rotates and make sliding contact with the lower surface of the thin layer portions of the outer cutter to cut hair that entered hair introduction openings () formed in the thin layer portions; wherein the hair introduction openings have a slit shape extending in substantially the radial direction of the thin layer portions, and the cutting edge angle (p, q) at the lower end(s) of the side wall surface(s) of the hair introduction openings () defined by the ribs () is an acute angle.


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Nakano, Tsuyoshi. (2008). Rotary type electric shaver (U.S. Patent No. 7356929). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7356929

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