Invention Grant
- Patent Title: Ground support insertion tool
- Patent Title (中): 地面支撑插入工具
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Application No.: US12080100Application Date: 2008-03-31
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Publication No.: US07712838B2Publication Date: 2010-05-11
- Inventor: Roland C. Walker , Matthew S. Slatter , Phillip E. Gramich, Jr.
- Applicant: Roland C. Walker , Matthew S. Slatter , Phillip E. Gramich, Jr.
- Agent Ronald R. Kilponen
- Main IPC: E21B4/06
- IPC: E21B4/06 ; E21D20/00

Abstract:
An improved ground support member insertion device comprising means for attaching the device to a jackleg drill, a clutch assembly disposed adjacent to the attaching means and adapted for holding a ground support member while it is being inserted into a first drill hole; and, anchoring means disposed opposite the clutch assembly and adapted for temporarily anchoring the device for stabilization in a rock formation during insertion of the ground support member. An impact tool for engaging the proximate end of the ground support member providing rotation and impact to the ground support member to mix the resin and to secure the ground support member in a rock formation. The impact tool can also be used to manually or mechanically tension the ground support member once installed.
Public/Granted literature
- US20080236898A1 Rebar insertion tool Public/Granted day:2008-10-02
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