Patent ID: 7124513

Claim:
A laser indicator, comprising: a laser mechanism having a housing and three laser generators generating laser beams perpendicular to each other, with each laser generator including: a prism module having a prism, a hood, a fixed base and a bottom chassis disposed in an external casing, with the prism disposed inside the hood, and with each of the bottom chassis, base, hood, and external casing having an interconnected through-section; a bushing; and a laser module retained inside the bushing and having an emitting end facing the prism module; wherein each of the three laser generators is electrically coupled to a separate laser control motor for independent control of the beam of the corresponding laser generator; and wherein each laser generator further includes a laser generator adjuster and tightener, comprising: a fixed base of the prism module having a screw hole that has a concave surface; a spacer disposed at the screw hole of the fixed base, the spacer having a convex surface corresponding to the concave surface of the screw hole; a convex circular structure positioned at a joint of the fixed base and the bushing; and a ring member extending around the bushing, the ring member having a concave section corresponding to the convex circular structure.