Abrading – Machine – Rotary tool
Reexamination Certificate
2007-09-04
2007-09-04
Nguyen, Dung V (Department: 3723)
Abrading
Machine
Rotary tool
C451S234000, C451S451000
Reexamination Certificate
active
11672118
ABSTRACT:
The arrow blade sharpening apparatus is best suited for precision sharpening of arrow blades, Exacto® knife blades, and other like edges which require precision and fine honing. The transparent lidded apparatus is motorized and counter rotates drive gears and then ceramic abrasive wheels with a single motor. The slot of the housing and the guide of the blade holder provide for exact sharpening work without the possibility of angle misalignment of the blade-to-wheel contact.
REFERENCES:
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patent: 3733933 (1973-05-01), Longbrake
patent: 5157879 (1992-10-01), Fletcher
patent: 6071181 (2000-06-01), Wightman et al.
patent: 6142038 (2000-11-01), Kenesky
patent: 6932683 (2005-08-01), Li
Crossley Mark Ashley
Crossley Patent Law
Nguyen Dung V
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