Laser positioner and marking method using the same

Details Laser positioner and marking method using the same Laser positioner and marking method using the same

1991-07-05

1993-08-17

Buczinski, Stephen C.

Optics: measuring and testing

Angle measuring or angular axial alignment

Apex of angle at observing or detecting station

356 5, 356376, 356393, 299 105, G01B 1126, G01B 1124, G01C 308, E21C 100

Patent

active

052373843

ABSTRACT:
A laser positioner is located at a survey base point for projecting a geodetic design pattern depicting design working points onto a working face remote from the base point by use of a laser pattern projector, upon surveying an object route by use of a laser surveying unit. In tunneling operations for example, the design pattern is formed on the working face, so that boring of the holes for charging explosives in the working face can be performed without paint-marking on the working face.

REFERENCES:
patent: 3809477 (1974-05-01), Russell
patent: 4355895 (1982-10-01), Cairns et al.
patent: 4688937 (1987-08-01), Konig et al.
patent: 4708395 (1987-11-01), Petry et al.

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