Title: Safety rotary blade
Application Number: 200410049179 Application Date: 2004.06.18
Publication Number: 1709019 Publication Date: 2005.12.21
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: A01D34/73
Applicant(s) Name: Wang Heping Address: 710072
Inventor(s) Name: Guo Dongliang
Attorney & Agent:
Abstract:
     The present invention relates to a safe rotary cutter blade which is high in efficiency, simple in structure, safe and reliable, specially it is suitable for rotary cutting machines of grass cutter and pruning machine. It is technically characterized by that said movable cutter blade is mounted between two rotary disks; said movable cutter blade can be outwards swung by means of centrifugal force and can be drawn backwards by means of spring.
Time: 8