Device for adjusting width of openings in sieve in combine harvester has electrically operated drive operating in direction at right angles to direction of vibration of sieve

摘要

The device (13) for adjusting the width of the openings in a sieve in a combine harvester has an electrically operated drive (12). This operates in a direction (17) which is at right angles to the direction of vibration (25) of the sieve. An independent claim is included for a method of adjusting the sieve openings.