US Patent 7681320 Shaving razors and razor cartridges

Shaving razors and razor cartridges are provided. In one embodiment, a razor is provided including (a) a handle, (b) a head, separable from and pivotally mounted on the handle, the head including a housing that is positioned to contact the user's skin during shaving and that carries one or more blades configured for wet shaving, (c) an electrical circuit, configured to power an electrical function associated with the head, a first portion of the circuit being disposed in the handle and a second portion of the circuit being disposed in the head, and (d) an electro-mechanical connector, pivotally joining the head to the handle, configured to provide electrical communication between the first and second portions of the circuit.