US2012703A - Shaving apparatus - Google Patents

Description

Aug. 27 1935. K, M, ALM 2,012,703

SHAVING APPARATUS Filed April 23, 1954 HZIQIZIZIZIHZIZI;

INVENTOR. 1 ml Mann/v HLM HT'TOH EY Patented Aug. 27, 1935 UNITED STATES PATENT OFFICE SHAVING APPARATUS Karl Martin Alm, Stockholm, Sweden 4 Claims.

This invention relates to shaving apparatus of the kind provided with a movable razor blade abutting against and cooperating with a protective comb.

To insure that shaving with such an apparatus can be carried out efliciently and without any danger of injuring the skin, the teeth of the protective comb must be very thin and in addition be arranged very closely together. According to the invention this is effected by making the protective comb consist of a number of thin plates, segments or the like rigidly secured together, and maintained in definite mutual distances apart, so as to form teeth of the comb, by means of distance holders arranged between said comb teeth.

According to one embodiment of the invention, said distance holders consist of separate parts secured to the comb teeth by soldering, welding or in some other suitable way.

According to a second embodiment of the invention, the distance holders consist of solder material or the like, which partly fills up the intermediary space between the comb teeth. In this case the comb teeth are kept apart during the soldering operation by means of removable distance pieces consisting for example of paper or the like.

According to a third embodiment of the invention, the distance holders may consist of shoulders, projections, enlargements or the like integral with the comb teeth.

The invention is illustrated by way of example on the accompanying drawing.

Fig. l'shows a cross-section through an embodiment of the shaving apparatus. Fig. 2 is a plan view of a part of the same seen from below. Fig. 3 is a section along the line III-III in Fig. 1. Fig. 4 shows a detail view of a comb tooth, and Fig. 5 a detail view of a distance holder. I

Fig. 6 is a cross-section through a. part of a somewhat modified shaving apparatus. Fig. 7 is a section along the line VII-VII in Fig. 6.

Fig. 8 shows an embodiment of the comb teeth, and Fig; 9 a holder for the latter.

In the machine frame I, the driving shaft 2 is pivotally journalled and is provided with a crank pin 3, which carries a roller I. Said roller projects between two flanges or guide bars- 5, which project upwards from the member 6 that is connected to the razor blade 8"by means of pins I or the like. The razor blade is on its underside covered by a plate 9 secured to the frame I by means of a screw III. The cutting edges II of the razor blades are conveniently wave-shaped. The razor blade is given a reciprocating motion by R'EISSUED means of the rotating shaft 2, the crank pin 3 and the member 6.

The cutting edge of the razor blade 8 projecting outside of the frame I abuts tightly against the bottom side of a protective comb secured to the 5 frame. Said protective comb consists of vertical thin comb plates I2 (Fig. 4), and thin distance holders I3 of the kind illustrated in Figs. 1 and 5 and arranged between the comb plates. The latter may, if desired, be provided with an open- 10 ing I4, said openings forming together a chan-. nel extended throughout the protective comb, through which channel the hair cut-off can be removed. The distance holders I3 may be made of any suitable material, for example sheet metal, and they may be secured to the frame I together with the. comb-plates I2 by means of soldering, welding or similar operation.

In the embodiment according to Figs. 69, the shaving apparatus is provided with a protective go comb consisting of an arc-shaped holder I5 and L-shaped comb plates I6 secured to said holders at definite mutual distances apart. Said comb plates may suitably be attached to the holder I5 by soldering, in which case the solder material is allowed to partly fill up the intermediary space between the plates I6, as indicated as at spots hatched by dots in Fig. 6. Before the soldering operation, the comb plates may be kept apart at the desired mutual distances by means of re- 0 movable distance members, for example of paper, which are inserted between the plates at those spots, which are to be free from each other. In this embodiment of the invention, the comb plates I6 may, of course, also be maintained as" apart at the desired mutual distances by means I of intermediate plates which together with the comb plates are to be attached to the holder I5. The invention can of course be applied to the most different kinds of shavingapparatus. Thus, for example, the cutting member may be of varying shapes, its movements may be rotary. The plates of the comb and the distance holders may vary considerably withregard to shape and the manner in which they are secured together,

respectively attached to the machine frame.

Having now particularly described the nature of my invention and the manner of its operation, what I claim is:-

1. A shaving apparatus comprising a housing, a substantially flat razor blade movably arranged in said housing and adapted to abut against the skin when shaving, a protective comb secured to the outside of said housing and provided with spaced shearing teeth substantially perpendicular to and abutting against the side of the razor blade turned away from the skin, means for imparting a motion to the razor blade across the shearing edges of said shearing teeth, which consist of thin plates that are rigidly secured together and spaced at definite mutual distances by means of distance holders arranged between the teeth.

2. A shaving apparatus comprising a housing, a substantially flat razor blade movably arranged in said housing and adapted to abut against the skin when having, a protective-comb secured to the outside of said housing and provided with spaced shearing teeth substantially perpendicular to and abutting against the side of the razor blade turned away from the skin, means for imparting a motion to the razor blade across the shearing edges of said shearing teeth, which consist of thin plates that are rigidly secured together and spaced at definite mutual distances by means of distance holders consisting of separate parts attached to andbetween the teeth.

3. A shaving apparatus comprising a housing, a substantially flat razor blade movably arranged in said housing and adapted 'to abut against the skin when shaving, a protective comb secured to the outside of said housing and provided with spaced shearing teeth substantially perpendicular to and abutting against the side of the razor blade turned away from the skin, means for imparting amotion to the razor blade across the shearing edges of said shearing teeth, which consist of thin plates that are rigidly secured together, and spaced at definite mutual distances by means of distance holders consisting of separate parts attached to and between the teeth by soldering.

4. A shaving apparatus comprising a housing, a substantially fiat razor blade movably arranged in said housing and adapted to abut against the skin when shaving, a protective comb secured to the outside of said housing and provided with spaced shearing teeth substantially perpendicular to and abutting against the side of the razor blade turned away from the skin, means for imparting a motion to the razor blade across the shearing edges of said shearing teeth, which consist of thin plates that are rigidly secured together and spaced at definite mutual distances by means of distance holders consisting of solder material, which partly fills up the spaces between the teeth.

KARL MARTIN ALM.

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