Appeal No. 2006-2084
Reexamination Control No. 90/006,360
type having the carbide tool bit brazed to the end of the shank (commonly
identified as "brazed tools"). To a lesser extent, there have been
commercially-available tools having an 8 mm width shank with an
expanded-width foot ("club foot") formed at one end of the shank, and an
indexable carbide insert screwed to the foot as shown typically in Exhibit 1
(commonly identified as "club-foot tools"). I am also aware of one
manufacturer that has provided a small shank tool having an 8 mm width
shank, and an indexable insert having an inscribed circle approximately
equal to the width of the shank. This prior art tool is illustrated typically in
FIG. 1 of this patent application.
Exhibit 1 is reproduced below.
Exhibit 1, from a 1990 Engineered Tool Corp. (ETCO) catalog, shows a tool
holder with a "club foot."
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