US Patent 7637014 Razors

Handles are provided for battery operated razors. In some implementations, the handles include (a) a housing including a grip portion defining a chamber having an interior wall, and a battery cover removably mounted on the grip portion, the housing being configured to contain one or more batteries, and (b) a closing system, including a first component within the battery cover, and a second component secured to the interior wall of the grip portion, the first component being configured to move axially within the battery cover during engagement of the battery cover with the grip portion, and being biased toward a predetermined axial position.