Patent ID: 6412260
Filing Date: 2002-07-02
Classification: A01F

Abstract:
A drive system for a reciprocating sieve in an agricultural combine, comprising:a) a power source and a drive linkage; and b) a flywheel connected to said drive linkage for minimizing accelerations in said sieve, said drive linkage includes an oscillation mechanism that moves said sieve in a reciprocating, back-and-forth motion said oscillation mechanism further includes: i) a connecting arm; and ii) a pivot member that is pivotally attached to said connecting arm and is pivotally attached to said sieve, iii) a rotating member that is attached in an offset manner to a drive shaft; iv) a ball bearing installed onto the outer diameter of said rotating member; and v) an annular member installed onto the outer diameter of said ball bearing, the annular member being attached to said connecting arm.