Drilling rig

Details Drilling rig Drilling rig

2006-06-07

2009-10-27

Mayo-Pinnock, Tara (Department: 3671)

Hydraulic and earth engineering

Earth treatment or control

Rock or earth bolt or anchor

C211S070000, C414S022510

Reexamination Certificate

active

07607866

ABSTRACT:
A bolting apparatus and method for inserting a rod into a surface, the bolting apparatus including a base having a foot end and a head end, at least one stabilizing rod extendable from the base head end and having a stabilizing rod end adapted to contact a surface to be drilled, and a mechanism attached to the base between the base foot end and the stabilizing rod end and adapted to grip the rod.

REFERENCES:
patent: 4832536 (1989-05-01), Spross et al.
patent: 5026218 (1991-06-01), Zimmerman
patent: 6135674 (2000-10-01), Neilson
patent: 6302623 (2001-10-01), Nellson
patent: 6497536 (2002-12-01), Neilson et al.
patent: 6796388 (2004-09-01), O'Meley
patent: 2004/0118578 (2004-06-01), O'Meley

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