Safety razor having skin-stretching and guiding means

Claim 1

IN A SAFETY RAZOR HAVING A HANDLE AND A HEAD COMPRISING A GUARD MEMBER ADAPTED TO SUPPORT A RAZOR BLADE AND A COVER MEMBER THEREFOR, SAID MEMBERS BEING ADAPTED TO CLAMP SAID RAZOR BLADE THEREBETWEEN, THE IMPROVEMENT CONSISTING ESSENTIALLY OF AN IMPROVED GUARD MEMBER HAVING MEANS FOR STRETCHING THE SKIN AND RAISING THE HAIR TO BE SHAVED AND MEANS FOR GUIDING THE RAZOR IN THE NORMAL SHAVING DIRECTION, SAID GUARD MEMBER COMPRISING A BOTTOM PLATE, A FRICTION BAR, SAID FRICTION BAR BEING DISPOSED IN FRONT OF THE EDGE OF SAID RAZOR BLADE WITH THE UPPER SURFACE THEREOF WITH RESPECT TO SAID BLADE BEING ARRANGED IMMEDIATELY BELOW THE PLANE FORMED BY AN IMAGINARY EXTENSION OF SAID RAZOR BLADE EDGE, AND WEB MEANS RIGIDLY CONNECTING SAID FRICTION BAR TO SAID BOTTOM PLATE, SAID FRICTION BAR FORMING SAID MEANS FOR STRETCHING SAID SKIN AND RAISING SAID HAIR AND HAVING APPROXIMATELY TRIANGULAR SHAPED LONGITUDINAL SERRATIONS IN SAID UPPER SURFACE FORMING TEETH SIMILAR TO THOSE ON A FILE OR SAW, SAID TEETH HAVING FLANKS AVERTED FROM SAID IMAGINARY PLANE AND HAVING A MAXIMUM ANGLE OF 90* RELATIVE TO THE BASE OF SAID BAR, SAID SERRATIONS EXTENDING APPROXIMATELY PERPENDICULAR TO SAID NORMAL SHAVING DIRECTION, SAID MEANS FOR GUIDING THE RAZOR COMPRISING ADDITIONAL SERRATIONS IN SAID FRICTION BAR EXTENDING ESSENTIALLY PARALLEL TO SAID NORMAL SHAVING DIRECTION.