Self leveling transmitter for laser alignment systems

Details Self leveling transmitter for laser alignment systems Self leveling transmitter for laser alignment systems

1987-07-02

1988-08-30

LaRoche, Eugene R.

Optics: measuring and testing

Angle measuring or angular axial alignment

356149, 356250, G01B 1126, G01C 912

Patent

active

047672080

ABSTRACT:
A transmitter for an alignment system in which a field of electromagnetic radiation is propagated in a non-planar reference cone is disclosed. The transmitter includes a chassis with a source fixed to the chassis for providing a beam of electromagnetic radiation and an optical deflector which converges toward the source reflects the beam into an omni-directional cone of radiation. A flexible support having an omni-directional stiffness supports the optical deflector in the beam to reflect the reference field in a level orientation when the chassis is level. An angular error in the orientation of the chassis from level results in the optical deflector deviating from the aligned position to maintain the reference field in the level orientation. Damping of the deflector is also provided for and sensors detect when the angular error of the chassis has exceeded an allowable amount.

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