US 6,145,201 AGranted

Underarm shaving devices

OwnerEdward A. Andrewsinventor

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Abstract

Manual shaving devices for shaving underarm areas and other small contoured skin surfaces. Each device has a head structure contains one or more razor blade strips between two non-shaving side glide surfaces. In preferred embodiments, the head structure has exposed blade strips about 12 mm to 25 mm (0.5" to 1.0") long, and glide areas each preferably 6 mm to 12 mm long. The blade strips may be straight or curved. The glide areas are preferably rounded with rounded edges, and may smooth or textured. Each device helps facilitate safe shaving of skin surfaces that are soft and pliable by allowing the user to apply, through the glide areas, a non-cutting force to the general area of the skin surface being shaved. This helps alter the skin contour to more closely match that of the sharpened razor blade edges of the device, which are relatively short in length and only bear lightly against the skin to be shaved.

Claims34

Dependent claims

A manual razor blade shaving device for shaving soft, pliable, contoured underarm skin surfaces, comprising:

a hand-grippable portion,
a head structure attached to and supported by the hand-grippable portion, the head structure having
an elongated razor blade structure including elongated front and rear guard portions and at least one elongated razor blade having an elongated exposed razor-sharp edge suitable for shaving hair disposed between and spaced from the front and rear guard portions, the exposed razor-sharp edge having first and second exposed ends and an effective exposed blade edge length, and the guard portions defining at least in part a working plane in which the exposed razor-sharp blade edge projects, and
first and second non-shaving skin-engaging pads respectively located adjacent to and outwardly of the first and second exposed ends of the razor-sharp edge, the first and second pads being arranged to be operable to transmit force applied to the head structure into the soft pliable skin surface under the non-shaving pads, and wherein
the effective exposed blade edge length is no more than about 25 mm,
a ratio of the average length of the first non-shaving pad to the effective exposed blade edge length is in the range of from about 1:1 to about 1:6, and
a ratio of the average length of the second non-shaving pad to the effective exposed blade edge length is in the range of from about 1:1 to about 1:6, and
the first and second non-shaving skin-engaging pads each having a curved configuration such that each pad has a generally curved profile when viewed from a distance in front of the elongated front guard portion of the head structure, and such that each pad provides generally non-binding, snag-free contact and travel over soft pliable contoured skin surfaces being shaved.

5 more elements

In a manual razor blade shaving device of the type suitable for shaving underarm skin surfaces and having a handle portion, a razor head structure for attaching to the handle portion, the razor head structure for underarm shaving comprising:

a base portion supported by the handle portion of the shaving device;
an elongated razor blade structure attached to the base portion, including elongated front and rear guard portions and at least one elongated razor blade having an elongated exposed razor-sharp edge having a blade edge profile suitable for shaving hair disposed between the front and rear guard portions, the razor blade having first and second ends, and an effective exposed blade edge length and the guard portions defining at least in part a working plane;
and
first and second non-shaving glide surface portions respectively located outwardly adjacent to the first and second ends of the razor blade, the first and second glide surface portions being arranged to be operable to transmit force applied to the head structure into the skin surface under the glide surface portions so as to adjust the contour of the skin surface beneath the head structure to more closely match the profile of the blade structure, whereby the razor blade edge may more safely engage the skin surface to be shaved, and wherein
a ratio of the average length of the first non-shaving glide surface portion to the effective exposed blade edge length is in the range of from about 1:1 to no more than 1:3, and
a ratio of the average length of the second non-shaving glide surface portion to the effective exposed blade edge length is in the range of from about 1:1 to no more than 1:3 .

3 more elements

Dependencies are inferred from the claim text.