Reciprocating cutting blade having laser-hardened cutting...

Details Reciprocating cutting blade having laser-hardened cutting... Reciprocating cutting blade having laser-hardened cutting...

2005-02-22

2005-02-22

Pezzuto, Robert E. (Department: 3671)

Harvesters

Cutting

Cutter members

Reexamination Certificate

active

06857255

ABSTRACT:
A reciprocating cutting blade includes a body portion having an top surface, a bottom surface, a longitudinal axis, a first working portion extending at an angle to the longitudinal axis and defining a first cutting surface, a second working portion extending at an angle to the longitudinal axis and defining a second cutting surface. A laser-hardened region extends along at least part of one of the first and second working portions, and preferably along at least part of both of the first and second working portions. The working portions can be serrated to include alternating teeth and roots. The teeth can be laser hardened more than the roots.

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