Patent ID: 7198012

Claim:
A valve timing control apparatus for an internal combustion engine, comprising: a first operating section including a first input member adapted to receive rotation from the engine, and a first output member, the first operating section being arranged to alter a rotational phase of the first output member with respect to the first input member, and thereby to alter a rotational phase of a second camshaft, which is one of intake and exhaust camshafts of the engine, without altering the rotational phase of a first camshaft, which is the other of the intake and exhaust camshafts of the engine; and a second operating section including a second input member connected with the first output member by a connecting member, and a second output member adapted to operate the second camshaft; the second operating section being arranged to alter a rotational phase of the second output member with respect to the second input member, and thereby to alter the rotational phase of the second camshaft without altering the rotational phase of the first camshaft.