Patent ID: 7231849

Claim:
A reel type lawnmower conditioner comprising: a base supporting a frame; said frame having a computer entry/display device; a reel blade assembly blade guide; a blade sensing means functioning to measure a variable distance of at least two points along a blade edge of a reel blade assembly to a reference point on the frame; said reel blade assembly having a plurality of helical blades; a reel blade assembly rotational drive controlled by a computer; a machining head mounted on a transverse drive assembly; said machining head having a cutting tool; wherein the computer stores the measured variable distances and then operates the machining head on the transverse drive to machine the blade edge to a new distance from the reference point; and wherein the blade sensing means functioning to measure a variable distance further comprises a transverse drive assembly carrying a transversely movable mechanical assembly having a vertically oriented probe; said probe having a manual adjustment mechanism to extend a probe tip upward to touch a blade edge of a blade of the reel blade assembly, and having an electronic encoder to transmit the measured variable distance to the computer.