Patent ID: 6739058
Filing Date: 2004-05-25
Classification: A01D,Y10T

Abstract:
A plant cutter apparatus comprising:a one-piece handling rod having an outer pipe portion, an inner pipe portion disposed concentrically within the outer pipe portion, and first, second and third radial stay portions extending between and interconnecting the outer pipe portion and the inner pipe portion, the first, second and third radial stay portions being arranged at non-equal angular intervals such that an angle &thgr;1 formed between the first and second stay portions, an angle &thgr;2 formed between the second and third stay portions, and an angle &thgr;3 formed between the third and first stay portions differ from each other; a drive shaft extending through the inner pipe portion and rotatably supported within the inner pipe portion via a bushing disposed between the drive shaft and the inner pipe portion; a drive source unit mounted at one end of the handling rod for rotating the drive shaft; and a cutter blade mounted at another end of the handling rod and connected to the drive shaft for rotation therewith.