Patent ID: 9592622
Date: 2017-03-14
CPC Classifications: B26D,B26F

Claim:
1. A fabric circle cutter for cutting a circular swatch of fabric from a larger piece of fabric, the fabric circle cutter comprising: a cutter base having a raised base section, the raised base section having a pivot point slide slot with a slide slot centerline; a pivot pin assembly slidably mounted on the raised base section and slidably mated to the pivot point slide slot, the pivot pin assembly having a pivot assembly top and a pivot pin, the pivot pin assembly having a capability for lowering the pivot pin from a pivot pin up position to a pivot pin down position in response to an application of a pivot assembly downward force on the pivot assembly top by a user, and the pivot pin assembly having a capability for retracting the pivot pin from the pivot pin down position to the pivot pin up position in response to a cessation by the user of the pivot assembly downward force; and a blade assembly mounted on top of the cutter base proximal to an end of the cutter base, the blade assembly having a blade assembly top, a blade spring arm, a release hinge, a blade assembly release, a blade assembly release groove, a release arm, a release clip and a rotary blade, the rotary blade being rotatably attached to the blade spring arm which is rotatably attached to the blade assembly by the release hinge, and having a blade axis of rotation, the blade axis of rotation being approximately horizontally aligned with and approximately parallel to the slide slot centerline, the blade assembly having a capability for lowering the rotary blade from a blade non-engaged position above the cutter base to a blade engaged position below the cutter base by a downward rotation of the blade spring arm on the release hinge in response to an application of a blade assembly downward force on the blade assembly top by the user, the blade spring arm maintaining the rotary blade in the blade non-engaged position above the cutter base in the absence of the blade assembly downward force, the blade assembly having a capability for retracting the rotary blade to the blade non-engaged position above the cutter base by an upward rotation of the blade spring arm on the release hinge in response to a cessation by the user of the blade assembly downward force, the blade assembly release being slidable in the blade assembly groove, the blade assembly release being connected to the release arm, and the blade assembly having a release capability for transitioning the blade assembly from a closed blade assembly configuration to an open blade assembly configuration by providing for the user to slide the blade assembly release in the blade assembly release groove wherein the release arm is retracted from the release clip providing for the user to rotate the blade assembly on the release hinge from the blade assembly closed configuration to the blade assembly open configuration, and the release capability providing for transitioning of the blade assembly back to the blade assembly closed configuration by providing for the user to rotate the blade assembly on the release hinge from the blade assembly open configuration to the blade assembly closed configuration wherein the release arm is engaged by the release clip securing the blade assembly in the blade assembly closed configuration.