Cutlery – Razors – Combined
Reexamination Certificate
1999-06-01
2001-08-21
Rada, Rinaldi I. (Department: 3724)
Cutlery
Razors
Combined
C030S050000, C030S527000, C030S346500
Reexamination Certificate
active
06276061
ABSTRACT:
BACKGROUND OF THE INTENTION
1. Field of the Invention
The present invention relates to a multi-blade shaving apparatus.
2. Description of Related Art
The commercially available shaving apparatus are usually provided with more than one blade, i.e. with two or three (herein-after called “shaving blades”). The shaving utility is considerably improved by the use of a shaving apparatus comprising more than one blade. However, there is a drawback in using said apparatus for sideburns trimming or for similar purposes, e.g. a near nostril haircut. In this case it is difficult to determine which of the blades makes the final cut taking into consideration the pivoting action and the relative large area of the blade assembly which is in contact with the skin.
It has thus been desirable to design a multi-blade shaving apparatus which would be convenient for the regular shaving of the skin and would also be convenient for the use of side sideburns trimming and for similar purposes. Said multi-blade shaving apparatus should be easy for use and packaging, simple and not too expensive in its manufacture and enable a proper trimming of the sideburns and similar positions.
SUMMARY OF THE INVENTION
The present invention thus consists in a multi-blade shaving apparatus comprising a handle holding a head body, in which body are located the shaving blades. The shaving blades extend parallel to each other and in a suitable angle to said shaving blades is located at least an additional blade.
The handle, the shaving blades and the body, advantageously being a cast plastic body are substantially the same as those being used in the commercially available multi-blade shaving apparatus. The body should be slightly altered, i.e. lengthened so that the additional blade (herein called “trim blade”) may be located therein.
The trim-blade is preferably an identical blade with the regular used shaving blades and it is preferably mounted within the body in the same slot as are the shaving blades.
The regular shaving blades usually have a spring action and this may also apply to the trim-blade.
The shaving apparatus according to the present invention is advantageously provided, as are the commercially available shaving apparatus, with rotating means enabling different blades to be in contact with the skin dependent on handle rotation.
When the shaving apparatus according to the present invention is used for regular shaving the trim-blade is not in contact with the skin. However, when sideburn trim or a similar action is required the handle is rotated substantially by 180°. The trim blade then comes in contact with the sideburns to be trimmed.
The trim blade is located at an adequate angle enabling a good trim, similar to the angle at which the shaving blades are located when the shaving is performed. The angle between the shaving blades and the trim blade is suitably 60-120°, advantageously 85-95°.
The shaving apparatus according to the present invention may take advantage of the pivoting action being eliminated, since the handle rests on the rest position stop when the shaving action pressure is applied at the reverse side of the body, e.g., at the trim blade side. The narrow area of contact between the trim blade and the skin thus enables a good trim.
REFERENCES:
patent: 2807084 (1957-09-01), Harman
patent: 4281456 (1981-08-01), Douglass et al.
patent: 4901437 (1990-02-01), Iten
patent: 4903405 (1990-02-01), Halvey
patent: 4970784 (1990-11-01), Althaus et al.
patent: 5167069 (1992-12-01), Quinn
patent: 5199173 (1993-04-01), Hegemann et al.
patent: 5533263 (1996-07-01), Gilder
patent: 5794354 (1998-08-01), Gilder
Birch & Stewart Kolasch & Birch, LLP
Rada Rinaldi I.
Tran Kim Ngoc
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