Wedge barrel for a mine roof cable bolt
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 19, 2005
Grant Date -
Jul 15, 2004
app pub date -
Oct 1, 2003
filing date -
Oct 16, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Loading Importance Indicators... 
Abstract
A mine roof bolt for use with a cable comprises a barrel having a first end and a second end, the second end having a rounded surface, a bore extending through the barrel between the first end and the second end and including a tapered portion, the bore sized to receive the cable, a pair of wedges sized for placement in the tapered portion of the bore and adapted to frictionally engage a cable disposed in the tapered portion of the bore, a recess defined in the first end of the barrel, and a driving nut sized for insertion in the recess and adapted for engagement by a driving tool.
First Claim
Other Claims data not available
Family
Loading Family data...
International Classification(s)
- 2003 Application Filing Year
- E21D Class
- 58 Applications Filed
- 12 Patents Issued To-Date
- 20.69 % Issued To-Date
