Patent ID: 6536122
Filing Date: 2003-03-25
Classification: G01C,Y10S

Abstract:
A laser line beam emitting apparatus comprising a housing having a first surface formed inside thereof;a laser beam source unit to emit a laser line beam therefrom; a pendulum into which said laser beam source unit is assembled, having swings, the pendulum having a second surface and a third surface on the side opposite from the second surface; a gimbals mechanism from which said pendulum with the assembled laser beam source unit is hung, provided in said housing; a stopper having a fourth surface opposite the first surface of said housing, and a fifth surface opposite the second surface of said pendulum, provided in said housing; and a pressure member provided in said housing at an opposite position to the third surface of said pendulum, having contribution to push of the third surface of said pendulum for movement and hold of the second surface of said pendulum into the fifth surface of said stopper so as to stop swings of said pendulum.