Patent ID: 6379243
Filing Date: 2002-04-30
Classification: A01F

Abstract:
A sieve for a thresher comprising:a sieve surface running parallel to a conveying direction, when seen in a section, includes a base-profile with a zigzag configuration, said base is built up from repeated consecutive portions with each portion including a first leg and a second leg, said first and second legs in the said section enclose an angle between each other, said first leg being arranged ahead of said second leg in the conveying direction enclosing a first angle with a first imaginative plane, said first angle is smaller than a second angle, which is formed between the second leg and the first plane, and said first and second legs form a connection area transverse to the conveying direction and openings being distributed in the second leg, and said first leg including an extension which continuously runs along the first leg and ends in an edge, said edge projects in conveying direction beyond said connection area between the first leg and the second leg towards a portion, which is arranged ahead in the conveying direction.