Patent ID: 8052287

Claim:
A carrier apparatus for use with an optical engine, comprising: a main frame, having a top; a support frame, removably disposed on the main frame for supporting and adjusting a position of the optical engine; the support frame comprising a top surface and the top surface comprising a front edge, two lateral edges and a rear edge, wherein the rear edge of the support frame is an end portion; wherein: the carrier apparatus further comprises an adjustable mechanism which includes: a push device, disposed on the end portion of the support frame and directly contacting and supporting the rear edge of the support frame; an adjustable device, disposed on the push device and the adjustable device comprising two adjustable screws, symmetrically disposed on a back side of the push device and disposed vertical to the rear edge of the support frame and parallel to the two lateral edges of the support frame for at least partially adjusting a height of the end portion of the support frame along a vertical direction with respect to the main frame, wherein the vertical direction is substantially perpendicular to a light path of the optical engine, the top of the main frame and the top surface of the support frame.