Hand-actuated screw operated transplanter
阅读：492发布：2022-10-01
专利汇可以提供Hand-actuated screw operated transplanter专利检索，专利查询，专利分析的服务。并且The invention relates to a hand - operated rootcutter and tree baller especially for conifers, whereby the tree, tap root and earth ball immediately around the tree roots are cleanly severed from the surrounding earth by hand-actuated screw-operated blades.，下面是Hand-actuated screw operated transplanter专利的具体信息内容。
1. A transplanter comprising two cooperating halfhemispherically shaped blades with opposed sharpened edges which extend substantially across the width of said blades are in a closed position to completely sever the roots of the tree being transplanted each said blade having apertures through said wall protion at opposite ends of said cutting edge; two pairs of arms; one of said pairs of arms removably attached to said blades at adjacent ends of said cutting edges; each pair of armsbeing hingedly commected at one end thereof by a pivot pin defining a pivot axis and each arm of each pair of arms having a bore therethrough adjacent the other end thereof, attaching means cooperating with said apertures in said blades to provide said removable attachment; one arm of each said pair of arms having a slot therethrough substantially midway between said endsof said arm and extending longitudinally between said ends, the other arm of each said pair having a threaded bore therethrough substantially aligned with said slot; means to move the arms of each pair of arms between an open and a closed position, comprising a screw having a threaded portion, a shoulder protion and a handle portion; the threaded portion of each screw having a diameter smaller than the width of each said slot is said one arm of each pair so asto pass freely therethrough and engage the threaded bore in said other arm of each pair; the shoulder portion of each screw having a diameter larger than the width of each slot so asto abut theragainst as said screw is turned by said handle portion to thereby move said arms of each pair and their attached blades from said Open to said closed position.
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