Inventors:
Francis A. Penning - Denver CO
Assignee:
Colorado School of Mines - Golden CO
International Classification:
G01C 900, E21B 4702
Abstract:
A guide alignment measuring device for mine skips, cages, elevators and other conveyance systems. The device measures misalignment of one or more guides used in vertical shafts or incline shafts in various types of mining operations, elevator shafts and similar operations where materials and personnel are raised and lowered.