Patent ID: 8711195
Filing Date: 2014-04-29
Classification: B41J,G02B

Abstract:
1. An optical writer, comprising: a light source to project light against a target; an optical part disposed on a light path between the light source and the target; a housing to house the light source and the optical part; and an elastically deformable retainer to hold the optical part, the retainer detachably fixed to the housing and including a plurality of contact portions on an inner surface of the retainer, the retainer being configured to elastically deform to separate at least one of the contact portions from other contact portions to hold the optical part by the plurality of contact portions, wherein the retainer includes an incision in a direction of an optical axis with a space between opposed ends of the incision and holds the optical part along an outer circumferential surface of the retainer, and wherein the plurality of contact portions includes projections that contact the surface of the optical part extending parallel to the direction of the optical axis.