Patent ID: 7010860
Filing Date: 2006-03-14
Classification: B26B

Abstract:
1. A hand-held device for forming a circular shape in a sheet of material, the device comprising: a first member having an upper surface and a lower surface, the lower surface adapted to contact the sheet of material, the first member having an opening of a first size extending through the first member; a second member having a lower surface that is at least partially in contact with the upper surface of the first member and having a first opening extending there through; an adjusting plate slidably connected to the second member to allow relative motion between the adjusting plate and the second member, the adjusting plate having an elongated opening there through; a connecting mechanism coupled to the second member and extending through the first member opening, the second member opening, and the adjusting plate enlongated opening, the connecting mechanism including an enlarged portion that is larger than the first member opening, thereby captivating the second member in a rotatable relationship with respect to the first member about a first pivot point defined by the connecting mechanism and rotatably and slidably captivating the adjusting plate; a knob coupled in a fixed position with respect to the second member and substantially aligned with the first pivot point, the knob having a size and shape that allow grasping the knob with one hand such that rotation of the knob causes the second member to slide atop the first member to form the shape in the sheet of material.