Wear assembly
AssigneeESCO Corporation
InventorsKevin S. Stangeland, Clinton A. Wood, Kate L. Shreeve, Charles G. Ollinger, IV
Life of this patent
Estimating the term…
Abstract
A wear assembly with strain relief protects exposed surfaces of excavating equipment such as a bucket lip. Wear components may include a seat where loads are applied, welding flanges flanking the seat on opposite ends of the component welded to the equipment, and strain relief areas between each welding flange and the seat. The strain relief balances stresses from loading in the wear assembly across the weld flange to limit cracking from stress concentrations. Strain relief may include modification of material properties or modification of component configuration to reduce stiffness of the component between the weld flanges and the seat.
Claims24
A wear component for earthmoving equipment comprising a mounting portion, a working portion and a strain relief area between the mounting portion and the working portion, wherein the mounting portion is fixed to the earthmoving equipment, and the strain relief area provides flexibility between the mounting portion and the working portion.
A base for mounting a wear member to a digging edge of an excavating bucket including:
- a seat to receive the wear member;
- inner and outer weld flanges rearward of the seat, each weld flange welded to one of an inner and an outer surface of the digging edge of the excavating bucket;
- an inner strain relief separating the seat and the inner weld flange;
- and
- an outer strain relief separating the seat and the outer weld flange.
A base for mounting a wear member to a surface of earthmoving equipment including:
- weld flanges at opposite ends of the base, each said weld flange being coupled to the surface with welds;
- and
- a seat between the weld flanges, the seat being free of welding to the surface;
- where loads are applied at the seat during earthmoving operations and transferred through the flanges to the earthmoving equipment.
24-38. (canceled)
Dependencies are inferred from the claim text.