Single-blade razor apparatus

A razor apparatus, comprising:

• a handle;
• a head mounted on the handle, the head being adapted to operate with a single blade, wherein the head has a rear side including an aperture adapted for removably inserting the single blade inside the head, the head further having a front side through which a cutting edge of the single blade is exposed when the single blade is positioned inside the head;
• and
• a plurality of retaining posts positioned in the head, wherein the retaining posts are configured to mate with respective recesses of the single blade and retain the single blade inside the head when the single blade is positioned inside the head, and wherein the retaining posts allow only entirety of the single blade to move, when the cutting edge is configured to contact a skin surface during shaving, in a direction perpendicular to the cutting edge of the single blade and in a direction laterally along the cutting edge while retaining the single blade inside the head.

A razor system, comprising:

• a handle;
• a head mounted on the handle;
• and
• a single blade having a cutting edge and recesses on opposing sides of the single blade along the cutting edge;
• wherein the head has a rear side including an aperture for removably inserting the single blade inside the head, the head further having a front side through which the cutting edge of the single blade is exposed when the single blade is positioned inside the head;
• and
• wherein the head includes a plurality of retaining posts, the retaining posts mating with the recesses of the single blade when the single blade is positioned inside the head to retain the single blade inside the head, and wherein the retaining posts allow only an entirety of the single blade to move, when the cutting edge is configured to contact a skin surface during shaving, in a direction perpendicular to the cutting edge of the single blade and in a direction laterally along the cutting edge when the single blade is positioned inside the head.