Lock assembly for a wear assembly
AssigneeBradken Resources Pty Limited
InventorsAdam Scriven, Hayden Buchanan, William Elphinstone
Life of this patent
Estimating the term…
Abstract
A locking assembly is disclosed for securing a wear member to a support structure. The locking assembly includes a locking pin having a pin capable of securing the wear member to the support structure. The pin is disclosed as including pin portions that are interconnected through a coupling to allow torque to be transferred from at least one pin portion to the other pin portion and allow axial movement of one of the pin portions relative to the other pin portion in the direction of the pin axis. Also disclosed is a locking assembly to retain a pin in a predetermined position.
Claims19
A locking assembly for securing a wear member to a support structure, the locking assembly comprising:
- a locking pin having a pin axis and comprising a first pin portion and a second pin portion that are spaced along the pin axis, the pin portions being interconnected through a coupling configured to allow torque to be transferred from at least one of the first or second pin portions to the other of the first or second pin portions and allow axial movement of one of the pin portions relative to the other pin portion in the direction of the pin axis;
- wherein the coupling is in the form of complementary coupling elements that interfit and extend in the direction of the pin axis, the coupling elements of the first and second pin portions are angularly spaced apart about the pin axis, and wherein the coupling elements of the first pin portion are arranged to be angularly offset from the coupling elements of the second pin portion so as to interfit with one another to form the coupling.
An excavation wear assembly for attachment of a wear member to a support structure, the excavation wear assembly comprising:
- the support structure having a nose portion which is configured to receive a socket of the wear member;
- a locking space formed in the support structure arranged to receive a locking assembly;
- the locking assembly comprising:
- a locking pin having a pin axis and comprising a first pin portion and a second pin portion that are spaced along the pin axis, the pin portions being interconnected through a coupling configured to allow torque to be transferred from at least one of the first or second pin portions to the other of the first or second pin portions and allow relative axial movement of the pin portions in the direction of the pin axis, wherein the coupling is in the form of complementary elements that interfit and extend in the direction of the pin axis, the coupling elements of the first and second pin portions are angularly spaced apart about the pin axis, and wherein the coupling elements of the first pin portion are arranged to be angularly offset from the coupling elements of the second pin portion so as to interfit with one another to form the coupling, wherein the axial movement of one of the pin portions relative to the other pin portion in the direction of the pin axis are configured to secure the wear member to the support structure.
Dependencies are inferred from the claim text.