Patent ID: 7012768

Claim:
An optical pick-up comprising a supporting shaft; and a lens holder having a bearing part which fits on said supporting shaft rotatably; wherein said lens holder is a resin injection molded product comprising a lens supporting part having a lens receiving surface, and said bearing part has a bearing surface disposed vertically to said lens receiving surface; wherein said resin injection molded product comprises a gate at an end of said bearing part disposed at an opposite side of said lens receiving surface; wherein said gate is disposed near a tip of a core pin and at a perimeter of said bearing part, and wherein said gate is disposed between a cavity in a fixed template of an injection mold and the core pin for a bearing hole, said core pin is held in said cavity not in contacting any parts in the fixed template unconstrained, whereby said gate is disposed parallel to an inside perimeter of said bearing part and said bearing part has no weld line.