Patent ID: 6052904
Filing Date: 2000-04-25
Classification: B26B

Abstract:
A dry-shaving apparatus comprising:a shaver body;a drive motor within the shaver body;a shaver head mounted on the shaver body, said shaver head comprising:a common shaver head frame;a middle shaving unit; andtwo outer shaving units separated by said middle shaving unit, each of said middle and two outer shaving units including (1) an open-bottomed outer cutter mounted for movement relative to the shaver body, and (2) an inner cutter mounted inside each outer cutter for reciprocatory movement along the axis of the outer cutter, said middle shaving unit further including a biasing element to provide a biasing force which maintains the inner cutter pressed into contact with the outer cutter to achieve a shaving action,wherein during operation said drive motor provides reciprocatory movement for the inner cutters of the middle and two outer shaving units, wherein the outer cutters of the middle and two outer shaving units, the inner cutter of the middle shaving unit, and the biasing element of the middle shaving unit are all mounted in the common shaving head frame so that the shaving head frame, the outer cutters of the middle and the two outer shaving units, the inner cutter of the middle shaving unit, and the biasing element of the middle shaving unit are removable from the shaver head as unitary assembly while the inner cutters of the two outer shaving units remain behind with the shaver body.