REVERSE COUNTERSINK CUTTING ASSEMBLIES, REVERSE COUNTERSINKING ASSEMBLIES AND METHODS FOR REVERSE COUNTERSINKING A THROUGH HOLE IN A WORKPIECE
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United States of America
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N/A
Issued Date -
Apr 3, 2025
app pub date -
Oct 2, 2023
filing date -
Oct 2, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
A reverse countersink cutting assembly includes a countersink cutting head, a depth stop sleeve and a fastener. The countersink cutting head includes a cutter distal portion, a cutting portion and a cutter proximal portion axially spaced along a longitudinal axis. The cutting portion defines a countersink cutting range. The depth stop sleeve includes a central cavity that coaxially receives the cutter proximal portion of the countersink cutting head. The depth stop sleeve also includes one or more projections that extend coaxially along the longitudinal axis to a predetermined point within the countersink cutting range to define a depth of cut for the reverse countersink cutting assembly. The fastener retains the depth stop sleeve on the countersink cutting head. A reverse countersinking assembly includes a pull shank assembly and the reverse countersink cutting assembly. A method for reverse countersinking a through hole in a workpiece is also disclosed.
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