Blade comb hair trimmer having tooth structure permitting variable depth of cut

Claim 1

HAIR CUTTING APPARATUS COMPRISING A PAIR OF OPPOSED PLATES, EACH OF SAID PLATES HAVING A ROW OF TEETH EXTENDING FROM ITS OPPOSITE SIDES, OPPOSED TEETH OF THE PLATES LYING IN SUPERPOSED RELATIONSHIP, MEANS ON ONE PLATE FOR POSITIONING A BLADE WITH THE CUTTING EDGES THEREOF EXTENDING BETWEEN THE TEETH AT EACH OF THE OPPOSED SIDES OF THE PLATES, MEANS SECURING THE OTHER PLATE INTO FACE-TO-FACE RELATIONSHIP WITH SAID ONE PLATE, THE TEETH OF ONE PLATE SEPARATED FROM THE OPPOSED TEETH OF THE OTHER BY AN EDGE PORTION OF SAID BLADE POSITIONED THEREBETWEEN, ONE OF SAID PLATES HAVING A ROW OF TEETH OF SUBSTANTIALLY GREATER LENGTH THAN THE TEETH OF ANY OTHER ROWS, THE OPPOSED ROW OF TEETH OF THE OTHER PLATE BEING OF A LENGTH BARELY TO EXTEND BEYOND THE EDGE OF THE BLADE, SAID LONGEST ROW OF TEETH HAVING AN OUTER PORTION INCLINED TOWARD THE PLANE OF THE BLADE AND HAVING CAM MEANS ON THE TIP PORTION PROJECTING BEYOND THE PLANE OF SAID BLADE, WHEREBY THE CUTTING DEPTH IS LONGEST WITH SAID CAM MEANS HELD AGAINST THE SKIN AND IS SLIGHTLY SHORTER WITH THE INCLINED OUTER PORTION HELD AGAINST THE SKIN, THE TEETH AT THE OPPOSITE SIDE OF ONE OF THE PLATES BEING SUBSTANTIALLY SHORTER THAN SAID LONGEST ROW OF TEETH, AND THE OPPOSED TEETH OF THE OTHER PLATE BARELY EXTENDING BEYOND THE EDGE OF THE PLATE, WHEREBY THE APPARATUS MAY BE HELD WITH THE SUBSTANTIALLY SHORTER TEETH ENGAGING THE SKIN FOR A SHORTER CUTTING DEPTH THAN THAT RESULTING FROM THE PREVIOUSLY DESCRIBED POSITIONS, AND WHEREBY WITH THE SHORTEST TEETH OF SUCH SIDE HELD AGAINST THE SKIN, SHAVING MAY BE ACCOMPLISHED.