Patent ID: 6739403
Filing Date: 2004-05-25
Classification: A01B

Abstract:
A cultivator including powering means and transmission means for transferring power from the powering means to a rotatable shaft which rotates about an axis, the cultivator comprising:a first tine assembly positioned at a first end of the shaft, the first tine assembly including a first tine member, a second tine member, and first means for mounting the first and second tine members to the shaft in a first predetermined relative position wherein: the first tine member comprises a hub including a generally planar base having a central bore through which the shaft extends and a generally planar rim being associated with a plane P and a plurality of tines, each of the tines projecting generally radially outward from the rim, and wherein each tine includes a leading edge, a trailing edge, and a tip, the plurality of tines including a first tine characterized by a series of notches formed in the leading edge thereof, and, wherein: the second tine member has a structure essentially similar to an image formed by reflection of the first tine member in a mirror place parallel to the base whereby the second tine member includes a hub having a generally planar base having a central bore through which the shaft extends and a generally planar rim, and a plurality of corresponding tines projecting generally radially outward from the rim, and wherein each tine includes a leading edge, a trailing edge and a tip, the plurality of corresponding tines including a first tine characterized by a series of notches form in the leading edge thereof, and, a second tine assembly positioned at the second end of the shaft, the second tine assembly including a third tine member, a fourth tine member, and second means for mounting the third and fourth tine members to the shaft in a second predetermined relative position wherein: the third tine member is essentially identical in structure to the first tine member, and the fourth tine member is essentially identical in structure to the second tine member.