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Tubing cutter

  • US 7,716,840 B2
  • Filed: 02/20/2007
  • Issued: 05/18/2010
  • Est. Priority Date: 12/15/2006
  • Status: Active Grant
First Claim
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1. A cutter tool comprising:

  • a first elongate member having a first end defining a cradle portion adapted to receive an associated circular workpiece therein, a second free end opposite the first end and defining a first handle portion for gripping the cutter tool, and a first guide portion located at a position on the first elongate member between said cradle portion and said handle portion;

    a second elongate member having a first end pivotally attached with said first elongate member at a handle axis located on said first elongate member between said first guide portion and said cradle portion, and a second free end opposite the first end and defining a second handle portion for gripping the cutter tool;

    a cutter blade defining a blade pin opening and having a first end pivotally attached with said second elongate member by the blade pin opening and a blade pivot pin extending therethrough at a blade axis located on said second elongate member between said first end and said second end of said second elongate member, a second end opposite the first end and carrying a cutting edge, and a second guide portion directly coupled with the first guide portion of the first elongate member to control pivotal movement of the cutter blade about said blade axis during relative movement between said first and second elongate members about said handle axis, the second guide portion including an elongate slot defined in the blade, the slot being disposed between the blade pin opening of the cutter blade and the second end of the cutter blade;

    a cam follower received in said elongate slot; and

    ,wherein the cutter blade is pivotally movable in a plane extending perpendicular with each of the handle and cutter blade axes.

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