Title: Drawing harrowing machine
Application Number: 97105729 Application Date: 1997.04.04
Publication Number: 1195466 Publication Date: 1998.10.14
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: A01B21/08,A01B33/00
Applicant(s) Name: Li Qinghua Address: 251115
Inventor(s) Name:
Attorney & Agent:
Abstract:
     The present invention belongs to a harrowing machine for land preparation in agriculture or forestry. It is characterized by substituting front wheels and rear wheels of tractor by disk harrows and installing small disk harrows on the external jacket of main shaft under the main shaft of the tractor so as to solve the defect that when the tractor is used to harrow land, its wheels can compact and harden cropland, and also can raise harrowing efficiency and quality.
Time: 17
<- Previous Patent:Plate-type cotton stalk puller   |  Next Patent:Breeding technology for hybrid ri... ->