Shaving razor with pivoting blade carrier and replaceable blade cartridge therefor
AssigneeWarner-Lambert Company
InventorDavid C. Coffin
Life of this patent
Estimating the term…
Abstract
A shaving razor has a blade carrier, which may be part of a replaceable blade cartridge, pivotally supported by a main component or handle assembly, the main component and the blade carrier having cooperating convex and concave arcuate bearing surfaces whereby the carrier is movable about the pivot axis by sliding movement of the convex and concave bearing surfaces over one another, and a spring mechanism both holds the convex and concave bearing surfaces in engagement with one another and resiliently biases the carrier in one direction about the pivot axis toward a limit position.
Claims24
A shaving razor comprising:
- a blade carrier carrying at least one blade having an elongated cutting edge,
- a main component including an upper portion for holding the blade carrier,
- the blade carrier below the blade having at least one bearing surface circularly arcuate about an axis parallel to the cutting edge,
- the upper portion of the main component having an arcuate bearing surface complementary to the arcuate bearing surface of the blade carrier and engageable with the arcuate bearing surface of the blade carrier so that said blade carrier is pivotal relative to said upper portion of the main component about said axis as a result of said arcuate bearing surfaces sliding relative to one another, and
- a spring mechanism working between the blade carrier and the main component urging the blade carrier toward the main component to hold the arcuate bearing surfaces in engagement with one another and also biasing the blade carrier about said axis relative to the main component to a given position of the blade carrier relative to the main component so as to resiliently resist movement of the blade carrier about said axis in a direction away from said given position.
A replaceable blade cartridge for a shaving razor, said cartridge comprising:
- a blade carrier carrying at least one blade having an elongated cutting edge, and
- said blade carrier below the blade having at least two bearing surfaces circularly arcuate about an axis parallel to the cutting edge,
- said two bearing surfaces being spaced from one another along the length of the cutting edge, and
- a pickup bar located between the two arcuate bearing surfaces and having a second axis parallel to the cutting edge and spaced from the first axis.
Dependencies are inferred from the claim text.