Cutlery – Hair planers – Convertible
Patent
1984-03-08
1986-09-30
Watts, Douglas D.
Cutlery
Hair planers
Convertible
30122, 30123, B26B 2112
Patent
active
046140328
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The invention relates to a hair-cutting appliance comprising a blade held interchangeably in a housing, the cutting edge of which projects beyond one edge of the housing, and has a comb-like row of teeth which bear against the blade and project beyond the cutting edge thereof, the row of teeth being adapted to be locked in varius positions in relation to the blade for the purpose of varying the distance between the tips of the teeth and the cutting edge in order to alter the length of the cut.
BACKGROUND OF THE INVENTION
Various designs of such hair-cutting appliances are known, in which the combination of a blade intended for cutting and a row of teeth makes it possible, by guiding the applicance through the hair, for the hair to be lined up by the row of teeth in the working direction of the appliance, in the spaces between the teeth, and to be cut by the cutting edge of the blade which is exposed in the spaces. Since the teeth may be set to project selectively by various amounts beyond the cutting edge of the blade, it is possible to operate with the cutting edge at various distances from the scalp. This provides different lengths of cut, from thinning of the hair to shaving the neck. In one known appliance, the different distances between the tips of the teeth and the cutting edge of the blade are obtained by changing over a part of the housing, the opposing edges of which comprise rows of teeth of different lengths, the housing-part being assembled to a similar second housing-part, and the blade being secured between the two parts. In another known appliance of this kind, a part comprising a row of teeth is pushed back and forth in relation to the blade.
SUMMARY OF THE INVENTION
It is the purpose of the present invention to expand the functions of an applicance of the known type in such a manner that it may be used for shaving in addition to its normal function of cutting hair. This makes the appliance more versatile, since it also constitutes a housing or case for the protective accommodation of the part intended for shaving. This makes it unnecessary to provide a separate case affording protection against injury from the very sharp razor blade.
In the hair-cutting appliance of the type mentioned above, this purpose is achieved in that a razor-blade head secured to a retaining arm is arranged at the edge of the housing remote from the blade. The retaining arm carrying the razor-blade head is preferably mounted pivotably in the housing, the housing being provided with an aperture through which the retaining arm, with the razor-blade head, is adapted to pivot from a non-operative position, in which the retaining arm and razor-blade head are located within the housing, to an operative position in which the retaining arm and razor-blade head project obliquely from the housing in a stopped position, the housing serving as a handle when it is desired to use the razor-blade head.
BRIEF DESCRIPTION OF THE DRAWINGS
Further details and advantages of the invention may be gathered from the following description and from the drawings attached hereto illustrating, purely by way of example, an example of an embodiment of the invention. In the drawings:
FIG. 1 is a perspective representation of all of the parts of the appliances arranged in the sequence in which they are assembled;
FIG. 2 shows all of the parts of the applicance assembled with the exception of the upper part of the housing, the part carrying the row of teeth being in the retracted position;
FIG. 3 is a view of the appliance as in FIG. 2, but with the part carrying the row of teeth extended;
FIG. 4 shows the inside of the upper part of of the housing, with the attached retaining arm and the razor-blade head pivoted inwardly;
FIG. 5 shows the upper part of the housing according to FIG. 4, with the retaining arm and razor-blade head pivoted outwardly;
FIG. 6 shows the complete appliance as viewed toward the direction of the lower part of the housing, with the retaining arm and razor-blade head pivoted outwardly;
FIG. 7
REFERENCES:
patent: 237138 (1881-02-01), Slayton
patent: 1765256 (1930-06-01), Barnes
patent: 2488436 (1949-11-01), Santoro
patent: 3408737 (1968-11-01), Steere et al.
patent: 4011656 (1977-03-01), Liedtue
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