Resumes
Resumes
Edwin Spoelstra Phones & Addresses
-
1636 220Th St, Leighton, IA 50143 (641) 673-9347
-
Pella, IA
-
New Sharon, IA
-
Hesperia, CA
-
1636 220Th St, Leighton, IA 50143 (563) 528-5809
Work
Position:
Craftsman/Blue Collar
Education
Degree:
High school graduate or higher
Emails
Publications
Us Patents
Micro Tunneling Machine
View pageUS Patent:
20140151123, Jun 5, 2014
Filed:
Dec 5, 2013
Appl. No.:
14/097962
Inventors:
- Pella IA, US
Edwin Spoelstra - Leighton IA, US
Edwin Spoelstra - Leighton IA, US
Assignee:
Vermeer Manufacturing Company - Pella IA
International Classification:
E21B 7/04
US Classification:
175 45, 175217
Abstract:
The present disclosure relates to a tunneling apparatus including a drill head including a main body and a steering member that is movable relative to the main body. The tunneling apparatus includes a steering target attached to the main body. The tunneling apparatus also includes a camera mounted within the main body. Further, the tunneling apparatus includes a shell position indicator mounted to the steering member in the field of view of the camera. The shell position indicator is adapted to indicate relative movement between the target and the shell position indicator. Additionally, the position indicator frames the target when no relative movement between the target and shell position indicator is indicated.