Tube notching devices

A tube notching device for forming a notch in a tubular workpiece, comprising:

• a support frame;
• a vise mounted to the support frame and configured to selectively secure the tubular workpiece in a desired support position;
• a positioning assembly pivotally mounted to the support frame, the positioning assembly including:
• a first pivot pivotally coupling the positioning assembly to the support frame;
• a first pivot plate defining:
• a curved channel extending partially around the first pivot, the curved channel extending through the first pivot plate, and
• a longitudinal pivot plate channel spaced from the curved channel;
• and
• a first pivot lock mechanism slidingly mounted within the curved channel, the first pivot lock mechanism being configured to selectively restrict the first pivot plate from pivoting relative to the support frame around the first pivot;
• a cutting assembly pivotally and translationally mounted to the positioning assembly, the cutting assembly including:
• a cutting frame defining a longitudinal arm channel complementarily configured with the longitudinal pivot plate channel and overlying the longitudinal pivot plate channel;
• and
• a cutting assembly pivot pivotally and translationally mounted to the cutting frame by extending through the longitudinal arm channel and the longitudinal pivot plate channel and selectively fixing a relative pivotal and translational position of the cutting frame and the first pivot plate;
• a cutting mechanism mounted to the cutting assembly, the cutting mechanism configured to form the notch in the tubular workpiece;
• wherein the positioning assembly and the cutting assembly cooperate to position the cutting mechanism in a desired notching position relative to the tubular workpiece supported in the vise in the desired support position;
• wherein the cutting mechanism operates to form the notch in the tubular workpiece when the cutting mechanism is in the desired notching position and the tubular workpiece is in the desired support position.

A tube notching device for forming a notch in a tubular workpiece, comprising:

• a support frame;
• a vise mounted to the support frame and configured to selectively secure the tubular workpiece in a desired support position;
• a positioning assembly pivotally mounted to the support frame and including:
• a first pivot plate defining a curved channel;
• a first pivot pivotally coupling the positioning assembly and the first pivot plate to the support frame;
• a second pivot pivotally coupling the positioning assembly to the support frame;
• a first pivot lock mechanism slidingly mounted within the curved channel and configured to selectively restrict the first pivot plate from pivoting relative to the support frame around the first pivot;
• a cutting assembly pivotally mounted to the positioning assembly;
• a cutting mechanism mounted to the cutting assembly, the cutting mechanism configured to the form the notch in the tubular workpiece;
• wherein the positioning assembly and the cutting assembly cooperate to position the cutting mechanism in a desired notching position relative to the tubular workpiece supported in the vise in the desired support position;
• wherein the cutting mechanism operates to form the notch in the tubular workpiece when the cutting mechanism is in the desired notching position and the tubular workpiece is in the desired support position;
• wherein the curved channel extends partially around the first pivot.