| 摘要 |
PROBLEM TO BE SOLVED: To provide a marking device capable of projecting laser beam which is easily and accurately assembled and fine tuned. SOLUTION: The laser making device comprises a laser projection unit capable of emitting at least one beam among horizontal line, vertical line, cross line, and reference point, a frame to hold the laser projection unit, and a cross shaft suspended and supported by a support pole provided by erecting the frame at a base for swing in back and forth and left and right. The frame is provided with a supporting member which is right-left symmetry and fixes and holds the laser projection unit by pinching it from both sides. COPYRIGHT: (C)2004,JPO
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