Guide piece for an extraction or coal plough
AssigneeCaterpillar Global Mining Europe GmbH
InventorsGerhard Siepenkort, Norbert Hesse, Klaus Duhnke, Uwe Tillessen
Life of this patent
Estimating the term…
Abstract
A replaceable guide piece (10) for an extraction or coal plough (100) is provided. The replaceable guide piece (10) includes a generally U-shaped guide piece body (12) configured to be inserted into a guide claw (14) of the plough (100). A single recess (22) is formed in a central portion of a guide piece body (12) to extend at an angle (α) from an upper side of guide piece body (12) to a side surface of the same. A locking mechanism (24) is configured to engage with the single recess (22) to prevent movement of the guide piece (10) in the longitudinal direction after insertion of the guide piece (10) into the guide claw.
Claims18
A guide piece for an extraction or coal plough, comprising:
- a generally U-shaped guide piece body configured to be inserted into a guide claw of the plough along an insertion direction, the guide piece body including a first leg, a second leg and a connecting portion extending between the first leg and the second leg;
- and
- a recess formed in the guide piece body to extend at an angle with respect to the connecting portion from an outer side of the connecting portion to an outer side of one of the first leg and the second leg, the recess being configured for engagement with a locking mechanism to prevent movement of the guide piece at least in a direction opposite to the insertion direction after installation of the guide piece in the guide claw.
A locking mechanism for a guide piece for an extraction or coal plough, the guide piece being configured to be inserted into a guide claw of the plough along an insertion direction, comprising:
- a bolt configured to be received in a receiving bore formed in the guide claw and in a recess formed in the guide piece after installation of the guide piece in the guide claw, the bolt including an inner bore and an annular groove disposed adjacent to a first end of the bolt;
- and
- a securing mechanism configured for engagement with the annular groove when the bolt is received in the receiving bore and the recess to secure the bolt in the receiving bore, to thereby prevent movement of the guide piece at least in a direction opposite to the insertion direction.
A guide piece assembly for an extraction or coal plough, comprising:
- a guide piece including:
- a generally U-shaped guide piece body configured to be inserted into a guide claw of the plough along an insertion direction, the guide piece body including a first leg, a second leg and a connecting portion extending between the first leg and the second leg;
- and
- a recess formed in the guide piece body to extend at an angle with respect to the connecting portion from an outer side of the connecting portion to an outer side of one of the first leg and the second leg;
- and
- a locking mechanism including:
- a bolt configured to be received in a receiving bore formed in the guide claw and in the recess formed in the guide piece after installation of the guide piece in the guide claw, the bolt including an inner bore and an annular groove disposed adjacent to a first end of the pin;
- and
- a securing mechanism configured for engagement with the annular groove when the bolt is received in the receiving bore and the recess to secure the bolt in the receiving bore, to thereby prevent movement of the guide piece at least in a direction opposite to the insertion direction.
Dependencies are inferred from the claim text.