Patent ID: 9604482
Date: 2017-03-28
CPC Classifications: B41J

Claim:
1. An adjustment mechanism for adjusting a position of a recording head attached to an attachment base, comprising: a first cam configured to be fittable in a shaft section protruding from the attachment base; and a second cam supported by the first cam in a rotatable manner and configured to come in contact at an outer circumferential surface thereof with the recording head, wherein the second cam internally houses the first cam, the second cam has an inner circumferential surface in contact with an outer circumferential surface of the first cam in a slidable manner, the first cam displaces an outer circumferential surface of the second cam by rotating about the shaft section as a rotational axis, the second cam displaces the outer circumferential surface of the second cam by rotating about the first cam as a rotational axis, when the outer circumferential surface of the second cam is displace, the recording head displaces, and an amount of displacement of the recording head resulting from rotation of the first cam differs from an amount of displacement of the recording head resulting from rotation of the second cam.