摘要 |
<p>A cartridge with a housing having a cap a guard having a base and at least one blade mounted to the housing. The blade has a blade edge between the cap and the guard. The guard has an elongated recessed region and one or more trailing projections between the blade edge and the elongated recessed region. The elongated recessed region has one or more leading projections positioned below a tangent line extending from the cap to one of the trailing projections.</p> |