Rotary electric shaver

Details Rotary electric shaver Rotary electric shaver

2008-05-13

2008-05-13

Peterson, Kenneth E. (Department: 3724)

Cutlery

Razors

With cooperating shearing blades

C030S346510

Reexamination Certificate

active

07370420

ABSTRACT:
A cutter unit of a rotary shaver including: a cutter receiving stage90held by an outer cutter housing18and coaxially penetrated by a drive shaft26,a pivot case holder50held by the cutter receiving stage to be movable upward and downward and having a case supporting portion58below an outer cutter14,a bowl-shaped pivot case48held by the pivot case holder50to make sliding contact with the case supporting portion58of the pivot case holder, the pivot case48being pivotable in any direction and surrounding the lower portion of an inner cutter40,an outer cutter ring76provided on the pivot case48and in which the flange of the outer cutter is secured, and a return spring70for returning the pivot case48to be coaxial with the drive shaft.

REFERENCES:
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patent: 2900720 (1959-08-01), Bakker et al.
patent: 3844033 (1974-10-01), Yonkers
patent: 3913225 (1975-10-01), Tietjens et al.
patent: 4038748 (1977-08-01), Tyler et al.
patent: 5625950 (1997-05-01), Sterk et al.
patent: 6145200 (2000-11-01), Jorna et al.
patent: 7222428 (2007-05-01), Koike
patent: 1 208 951 (2002-05-01), None
patent: 2-213378 (1990-08-01), None
patent: 6-31660 (1994-04-01), None

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