Extended life grate bar
AssigneeDetroit Stoker Company
InventorsEugene D. Hamaker, David C. Reschly
Life of this patent
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Abstract
An improved, long-life grate bar for use in the traveling grate bar mechanism of a solid-fuel-burning furnace apparatus and having hard wear pad inserts which are disposed within the end portions of the grate bar which ride along support rails. The wear pad inserts can be fabricated from a hard nickel-steel alloy material and can be integrally formed in the grate bar.
Claims8
A grate bar for use in a solid-fuel-burning furnace having a traveling grate bar mechanism, said grate bar comprising a metal bar member having a wear zone adapted to be slidably supported on a support surface forming part of said furnace, said bar member having wear means disposed in said wear zone, said wear means having a greater hardness value than said bar member whereby said wear means operates to alleviate excessive wear in said bar member.
Dependencies are inferred from the claim text.