Woodworking – Rotary cutter – Solid
Reexamination Certificate
2007-03-29
2010-10-12
Ross, Dana (Department: 3725)
Woodworking
Rotary cutter
Solid
C144S354000, C407S062000
Reexamination Certificate
active
07810532
ABSTRACT:
A method for constructing tambour slats using a system of router bits. The router bit system can include at least two router bits, one of which may have a semi-spherical nose cutting surface and a concave ‘S’ shaped ogee cutting surface; and the other of which may have a ‘S’ shaped ogee cutting surface and a concave quarter round cutting surface. The method for constructing a tambour slat can include milling a groove in a strip of material. The strip of material with a groove may then be milled to form a tongue and a neck portion that may slide into a groove milled in another strip of material. The milling operations may be performed by a router fitted with the router bits from the router bit system. By using the router bit system, each strip of material may yield up to two tambour slats.
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Amana Tool Corporation
Chiang Jennifer
Dorsey & Whitney LLP
Ross Dana
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