Abrading – Machine – Rotary tool
Reexamination Certificate
2007-04-03
2007-04-03
Eley, Timothy V. (Department: 3724)
Abrading
Machine
Rotary tool
C451S261000, C451S293000, C451S548000
Reexamination Certificate
active
10907075
ABSTRACT:
A dressing device (10,90) for sharpening or conditioning of a blade (18) or the like includes one or more disk pairs (36–40,108), each having a pair of disks (52,54,110,112) respectively presenting a series of circumferentially spaced, projecting teeth (64) with openings (66) therebetween. The disks (52,54,110,112) are oriented in face-to-face relationship with the teeth (64) thereof in meshed, intercalated relationship to thereby create circumferential dressing openings (76,122). The dressing surfaces (74) of the teeth (64) are of arcuate, concave configuration so as to create a desirable gothic-arch edge on a blade (18) or the like.
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Edgecraft Corporation web page printout for “Model 120 EdgeSelect® Professional Knife Sharperner,” from website www.edgecraft.com (printed Mar. 9, 2005).
Eley Timothy V.
Hantover, Inc.
Hovey & Williams, LLP
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