Francis Anthony Penning
Engineers at Joslin Ct, Denver, CO

License number
Colorado 10964
Issued Date
Feb 19, 1972
Renew Date
Aug 12, 1994
Expiration Date
Aug 12, 1994
Type
Professional Engineer
Address
Address
2777 S Joslin Ct, Denver, CO 80227

Professional information

Francis Penning Photo 1

Device For Measuring Guide Alignment For Mine Shafts And The Like

US Patent:
4535541, Aug 20, 1985
Filed:
Mar 26, 1984
Appl. No.:
6/593693
Inventors:
Francis A. Penning - Denver CO
Assignee:
Colorado School of Mines - Golden CO
International Classification:
G01C 900, E21B 4702
US Classification:
33 1H
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.