发明名称 Method and apparatus for changing cultivator plow blades
摘要 A soil cultivator has a new cultivator shank and a new plow blade which has a fixed lock structure. The plow blade is held to the shank by a movable snap action lock mechanism in a working end of the shank. A new method of quickly changing plow blades with a snap action lock in a cultivator shank is also provided.
申请公布号 US5007484(A) 申请公布日期 1991.04.16
申请号 US19890428988 申请日期 1989.10.30
申请人 JOHANSON, GREG N. 发明人 JOHANSON, GREG N.
分类号 A01B23/02;A01B35/22 主分类号 A01B23/02
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