Rotary type electric shaver

Details Rotary type electric shaver Rotary type electric shaver

2006-02-14

2010-06-29

Ashley, Boyer D (Department: 3724)

Cutlery

Razors

With cooperating shearing blades

C030S043500, C030S043600

Reexamination Certificate

active

07743507

ABSTRACT:
A rotary type electric shaver with an outer cutter frame provided on a shaver main body. An outer cutter installed in this outer cutter frame and having its shaving surface on the upper surface of a ring-shaped thin layer portion. An inner cutter16having a cutter body that rotates and makes sliding contact from below with the lower surface of the outer cutter14, wherein a thin layer portion28is formed in a substantially arc shape that is convex upward in a radial and vertical cross section that includes a center axis line which is the rotational center of the inner cutter. The thickness of the thin layer portion near the apex of the upward convex is smallest at the apex and gradually becomes thicker as distance increases away from the apex.

REFERENCES:
patent: 2632948 (1953-03-01), Konrad
patent: 3526959 (1970-09-01), Young
patent: 5544414 (1996-08-01), Dekker et al.
patent: 6085421 (2000-07-01), Jorna et al.
patent: 2006/0156548 (2006-07-01), Shimizu

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