Patent ID: 6598299
Filing Date: 2003-07-29
Classification: A01G,F16H,Y10T

Abstract:
An eccentric drive for a work apparatus, the eccentric drive comprising:a wheel defining a rotational axis and having an end face; a cam fixedly mounted eccentrically on said end face so as not to be rotatable relative to said wheel; a drive motor for driving said wheel to rotate about said rotational axis; a connecting rod having a connecting rod eye for receiving said cam therein so as to cause said connecting rod eye and said cam to conjointly define an interface therebetween; a plurality of roller bodies disposed at said interface to define a roller bearing between said cam and said connecting rod eye; said wheel having an annular slot disposed in surrounding relationship to said cam; each of said roller bodies having a first axial end engaging said annular slot; a holder having an edge and being fixed on said cam; each of said roller bodies having a second axial end adjacent said holder; and, said roller bodies projecting radially beyond said edge of said holder.