Tool for making circular cuts

Details Tool for making circular cuts Tool for making circular cuts

B - Operations, Transporting

26

B

B26B 25/00 (2006.01) B26D 7/22 (2006.01) B26F 1/38 (2006.01)

Patent

CA 2332196

A hand tool for forming circular cutouts of sheet material secures the material so that no generally central penetration in the form of a pilot hole or the like, is required. The resulting cutout is useful in the construction of an article assembled from a series of such blanks or cutouts, such as a quilt assembled from a large number of blanks with the blanks being sewn together at points of mutual contact about their circumferences. The tool comprises a relatively stationary base hub with a shaft extending upwardly therefrom, and a hand pressure knob mounted on the shaft opposite the base hub. A rotary disc with a radial channel having a cutting arm and rotary cutting blade therein, is sandwiched between the base hub and pressure knob. The tool is placed upon the sheet material and pressure is applied to the pressure knob, with the cutting arm and rotary disc being rotated about the hub and knob to drive the cutting blade in a circular path about the hub. The uniform pressure of the rotary disc upon the sheet material being cut ensures that the material cannot gather or deform due to pressure from the cutting disc, thereby providing an accurate circular cutout of material. The cutting disc is adjustable along the cutting arm to provide a wide variety of cutting diameters as desired. The tool is particularly well adapted for cutting fabric materials, but may be used to cut a wide variety of other sheet materials as well.

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