Back to results
US 10,589,278 B2Granted
Wear cap for an earth working roll
AssigneeEsco Group LLC
InventorsErik L. Johnson, Stephen M. Lafond, Cameron R. Leedham, Boyan K. Bahnev
Life of this patent
Estimating the term…
Abstract
A wear cap for use on an earth working roil for mining, construction and public works machines such as crushers, surface miners, milling machines and the like includes a working end and a rear mounting end. The rear mounting end including a pair of top and bottom rearwardly extending protrusions, a retainer, and a cavity having side stabilizing surfaces and a top and bottom rail or groove to support the wear cap on a holder mounted to the earth working roll.
Claims8
A wear cap for attachment to a base secured to a driven roll in an earth working machine, the wear cap comprising:
- a front end;
- a rear end including a cavity with a top surface, a bottom surface, and sidewalls that opens rearward to receive a seat on the base and generally corresponds to the shape of the seat;
- an upper end;
- a lower end;
- and a longitudinal axis extending rearward from the front end, the cavity includes a plurality of side stabilizing surfaces on each of the sidewalls, each stabilizing surface axially extends substantially parallel to the longitudinal axis to engage a plurality of side stabilizing surfaces on the seat, each said side stabilizing surface on each of the sidewalls is separated by a transition surface, and the transition surfaces diverge rearwardly, and the cavity includes a rail or groove in each of the top and bottom surfaces, the rails or grooves engage respective top and bottom rails or grooves on the seat wherein each of the transition surfaces are closer to the rear end when proximate the upper end and closer to the front end when proximate the lower end.
2 more elements
Dependencies are inferred from the claim text.