US Patent 7197825 Razors and shaving cartridges with guard

A shaving blade unit includes a plastic housing having a front portion and a rear portion and two side surfaces extending from the front portion to the rear portion. The housing has a length extending from one side surface to the other side surface. Positioned between the front and rear surface of the housing are one or more shaving blades having a blade length extending along respective one or more parallel blade axes. A guard at the front portion of the housing includes an elastomeric member that extends along a guard axis that is parallel to the respective one or more blade axes. The elastomeric member has a length along the guard axis that is greater than or equal to the blade length.