Back to results
US 11,674,391 B2Granted
Friction stabilizer
OwnerJason Wasleyinventor
Life of this patent
Estimating the term…
Abstract
A friction stabilizer for supporting a rock ceiling in an underground mining environment is disclosed. The friction stabilizer has an external sheath and an internal rod. The internal rod is about 15% of the length of the external sheath. The internal rod has wedges at either end, arranged to engage with complementary wedges welded to the inside of the sheath.
Claims17
A friction stabilizer having an outer sheath and an internal rod, the sheath including at least a first internally directed fixed wedge and a second internally directed fixed wedge,
- the first and second fixed wedges being axially spaced from each other,
- the first and second fixed wedges being oriented in opposing directions,
- wherein the rod extends between the first and second fixed wedges;
- the rod having a first end including a first engaging wedge and a second end having a second engaging wedge,
- the arrangement being such that a tensile force applied to the sheath causes a wedging action of the first engaging wedge against the first fixed wedge and the second engaging wedge against the second fixed wedge and
- wherein the sheath has a designated yield point located between the first and second fixed wedges.
3 more elements
Dependencies are inferred from the claim text.