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Lawnmower blade sharpener

Image Number 5 for United States Patent #7503835.

In one embodiment, a method of sharpening reel blades on a lawnmower reel includes positioning a grinding wheel in contact with the reel, rotating the grinding wheel about an axis of rotation, linearly translating the grinding wheel along a longitudinal path. and rotating the reel about its longitudinal axis. The axis of rotation of the grinding wheel is transverse to a longitudinal axis of the reel.

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