Patent ID: 7748123

Claim:
A blade head assembly for a hand-held hair cutting appliance, the hair cutting appliance comprising a handle, a drive assembly disposed at least in part within the handle and held in assembly therewith, and the blade head assembly, said blade head assembly being removably attachable to the handle in operative connection with the drive assembly and comprising: a blade head assembly housing having a front, a back and two opposite sides, a first cutting blade and a second cutting blade, said first and second cutting blades being held in assembly with the blade head assembly housing for attachment and detachment from the handle with the blade head assembly, said first cutting blade being capable of reciprocating translational movement relative to the blade head assembly housing such that the first cutting blade is moveable in a side to side direction relative to the handle and the second cutting blade, the blade head assembly being arranged and configured such that upon attachment of the blade head assembly to the handle of the hair cutting appliance the first cutting blade is operatively connected to the drive assembly; and a counter weight held in assembly with the blade head assembly housing and being adapted for reciprocating movement relative thereto in response to reciprocating translational movement of the first cutting blade to thereby at least partially counter-balance the reciprocating translational movement of the first cutting blade, the blade head assembly being configured for movement of the counter weight in a direction generally opposite to a direction of movement of the first cutting blade.