Safe-t Products, Inc.

Bruce Stoneberg

A device for forming circles that includes a first member which is rotatably attached to a second member. The first and second members include a first peripheral section and a second peripheral section, with one of the sections being arcuate. The first peripheral section of the first member is generally opposite the second peripheral section of the second member and the first peripheral section of the second member is generally opposite the second peripheral section of the first member. In one embodiment, the first peripheral section is arcuately curved and the second peripheral section is tapered. In another embodiment, the first peripheral section is arcuately curved and tapered and the second peripheral section is generally flat. Marking means are removably secured between the opposing sections of the first and second members.

Circle compass

A device for forming circles on a drawing surface that includes, in part, a first rotatable member and a second rotatable member. The first rotatable member is substantially flat and includes an opening formed therein. The second rotatable member is resiliently disposed within the opening. A first means elevates the first rotatable member above the drawing surface to prevent smearing of lines on the surface. A second means elevates the second rotatable member above the drawing surface to prevent smearing of lines on the surface and to engage the surface for stabilizing the rotatable member over the surface. The second mechanism elevates the second rotatable member to approximately the same level as the first rotatable member. A plurality of holes are disposed in the first and second rotatable members. The holes accommodate a marking instrument used for forming the circles.

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LaGrange, IL, United States of America

Bruce Stoneberg